const express = require('express');
const mysql = require('mysql2');
const bodyParser = require('body-parser');
const path = require('path');
const compression = require('compression');

// 缓存热点数据
const personnelCache = new Map();
const cacheExpiry = 3600000; // 1小时缓存

// 永久缓存：存储所有可能的时间范围数据
const permanentCache = new Map();

// 普通缓存：存储最近访问的数据
const normalCache = new Map();
const normalCacheExpiry = 300000; // 5分钟缓存

// 缓存清理定时器
let cacheCleanupTimer = null;

// 初始化缓存清理
function initCacheCleanup() {
  // 清理普通缓存
  cacheCleanupTimer = setInterval(() => {
    console.log('清理普通缓存');
    normalCache.clear();
  }, normalCacheExpiry);
}

// 预加载数据
async function preloadData() {
  console.log('开始预加载数据...');
  
  try {
    // 预加载客户统计数据
    await preloadClientStats();
    
    // 预加载客户活跃统计数据
    await preloadActiveStats();
    
    console.log('数据预加载完成');
  } catch (error) {
    console.error('数据预加载失败:', error);
  }
}

// 预加载客户统计数据
async function preloadClientStats() {
  console.log('预加载客户统计数据...');
  
  // 生成最近30天的日期范围
  const now = new Date();
  
  // 生成关键时间范围（对应前端时间范围选择器）
  const dateRanges = [
    { start: now.toISOString().split('T')[0], end: now.toISOString().split('T')[0] }, // 今天
    { start: new Date(now.getTime() - 1 * 24 * 60 * 60 * 1000).toISOString().split('T')[0], end: new Date(now.getTime() - 1 * 24 * 60 * 60 * 1000).toISOString().split('T')[0] }, // 昨天
    { start: new Date(now.getTime() - 3 * 24 * 60 * 60 * 1000).toISOString().split('T')[0], end: now.toISOString().split('T')[0] }, // 最近3天
    { start: new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000).toISOString().split('T')[0], end: now.toISOString().split('T')[0] }, // 最近7天
    { start: new Date(now.getTime() - 30 * 24 * 60 * 60 * 1000).toISOString().split('T')[0], end: now.toISOString().split('T')[0] }, // 最近30天
    { start: new Date(now.getTime() - 90 * 24 * 60 * 60 * 1000).toISOString().split('T')[0], end: now.toISOString().split('T')[0] }, // 最近90天
  ];
  
  // 预加载每个时间范围的数据
  for (const range of dateRanges) {
    try {
      await loadClientStatsForRange(range.start, range.end);
    } catch (error) {
      console.error(`预加载客户统计数据失败 [${range.start} - ${range.end}]:`, error);
    }
  }
}

// 加载指定时间范围的客户统计数据
async function loadClientStatsForRange(startDate, endDate) {
  const cacheKey = `client-stats-${startDate}-${endDate}`;
  
  try {
    // 计算时间范围
    const startDateStr = `${startDate} 00:00:00`;
    const endDateStr = `${endDate} 23:59:59`;
    
    // 查询指定时间范围内的新增客户数
    const newClientsSql = 'SELECT COUNT(*) as clientCount FROM users WHERE created_at BETWEEN ? AND ? AND type != ?';
    const [newClientsResult] = await wechatPool.promise().query(newClientsSql, [startDateStr, endDateStr, 'Colleague']);
    const clientCount = newClientsResult[0].clientCount;
    
    // 查询客户分配情况
    const clientAllocationSql = `
      SELECT 
        CASE 
          WHEN um.userName IS NULL OR um.userName = '' THEN '公海池'
          ELSE um.userName 
        END as managerName, 
        COUNT(*) as clientCount 
      FROM users u 
      LEFT JOIN usermanagements um ON um.userId = u.userId 
      WHERE u.created_at BETWEEN ? AND ? AND u.type != ? 
      GROUP BY managerName 
      ORDER BY clientCount DESC
    `;
    const [allocationResults] = await wechatPool.promise().query(clientAllocationSql, [startDateStr, endDateStr, 'Colleague']);
    
    // 查询客户跟进情况
    const followStatusSql = `
      SELECT 
        SUM(CASE WHEN u.followup IS NOT NULL AND u.followup != '' THEN 1 ELSE 0 END) as followed,
        SUM(CASE WHEN u.followup IS NULL OR u.followup = '' THEN 1 ELSE 0 END) as notFollowed
      FROM users u 
      WHERE u.created_at BETWEEN ? AND ? AND u.type != ?
    `;
    const [followResults] = await wechatPool.promise().query(followStatusSql, [startDateStr, endDateStr, 'Colleague']);
    const followData = followResults[0];
    
    // 构建结果
    const result = {
      success: true,
      data: {
        clientCount: clientCount,
        clientAllocation: allocationResults,
        followStatus: {
          followed: followData.followed || 0,
          notFollowed: followData.notFollowed || 0
        }
      },
      timestamp: Date.now()
    };
    
    // 存储到永久缓存
    permanentCache.set(cacheKey, result);
    console.log(`客户统计数据已缓存: ${cacheKey}`);
    
    return result;
  } catch (error) {
    console.error(`加载客户统计数据失败 [${startDate} - ${endDate}]:`, error);
    throw error;
  }
}

// 预加载客户活跃统计数据
async function preloadActiveStats() {
  console.log('预加载客户活跃统计数据...');
  
  // 生成最近30天的日期范围
  const now = new Date();
  
  // 生成关键时间范围（对应前端时间范围选择器）
  const dateRanges = [
    { start: now.toISOString().split('T')[0], end: now.toISOString().split('T')[0] }, // 今天
    { start: new Date(now.getTime() - 1 * 24 * 60 * 60 * 1000).toISOString().split('T')[0], end: new Date(now.getTime() - 1 * 24 * 60 * 60 * 1000).toISOString().split('T')[0] }, // 昨天
    { start: new Date(now.getTime() - 3 * 24 * 60 * 60 * 1000).toISOString().split('T')[0], end: now.toISOString().split('T')[0] }, // 最近3天
    { start: new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000).toISOString().split('T')[0], end: now.toISOString().split('T')[0] }, // 最近7天
    { start: new Date(now.getTime() - 30 * 24 * 60 * 60 * 1000).toISOString().split('T')[0], end: now.toISOString().split('T')[0] }, // 最近30天
    { start: new Date(now.getTime() - 90 * 24 * 60 * 60 * 1000).toISOString().split('T')[0], end: now.toISOString().split('T')[0] }, // 最近90天
  ];
  
  // 预加载每个时间范围的数据
  for (const range of dateRanges) {
    try {
      await loadActiveStatsForRange(range.start, range.end);
    } catch (error) {
      console.error(`预加载客户活跃统计数据失败 [${range.start} - ${range.end}]:`, error);
    }
  }
}

// 加载指定时间范围的客户活跃统计数据
async function loadActiveStatsForRange(startDate, endDate) {
  const cacheKey = `active-stats-${startDate}-${endDate}`;
  
  try {
    // 计算时间范围
    const startDateStr = `${startDate} 00:00:00`;
    const endDateStr = `${endDate} 23:59:59`;
    
    // 从user_active_logs表中查询活跃统计数据
    const activeStatsSql = `
      SELECT 
        COUNT(DISTINCT user_id) as totalActive,
        SUM(active_duration) as totalDuration
      FROM user_active_logs
      WHERE active_date BETWEEN DATE(?) AND DATE(?)
    `;
    const [statsResult] = await wechatPool.promise().query(activeStatsSql, [startDateStr, endDateStr]);
    const stats = statsResult[0];
    
    // 查询一周内活跃客户数
    const weekActiveSql = `
      SELECT COUNT(DISTINCT user_id) as weekActive
      FROM user_active_logs
      WHERE active_date >= DATE(DATE_SUB(NOW(), INTERVAL 7 DAY))
    `;
    const [weekActiveResult] = await wechatPool.promise().query(weekActiveSql);
    const weekActive = weekActiveResult[0].weekActive;
    
    // 构建结果
    const result = {
      success: true,
      data: {
        totalActive: stats.totalActive || 0,
        weekActive: weekActive || 0,
        totalDuration: parseFloat(stats.totalDuration) / 3600 || 0, // 转换为小时
        dateRange: {
          start: startDateStr,
          end: endDateStr
        }
      },
      timestamp: Date.now()
    };
    
    // 存储到永久缓存
    permanentCache.set(cacheKey, result);
    console.log(`客户活跃统计数据已缓存: ${cacheKey}`);
    
    return result;
  } catch (error) {
    console.error(`加载客户活跃统计数据失败 [${startDate} - ${endDate}]:`, error);
    throw error;
  }
}

// 定期清理缓存
setInterval(() => {
  personnelCache.clear();
  console.log('缓存已清理');
}, cacheExpiry);

const app = express();
const port = 3005;

// 响应压缩中间件
app.use(compression({
  threshold: 1024, // 1KB以上压缩
  level: 6, // 中等压缩级别
  filter: (req, res) => {
    // 排除已压缩的资源类型
    const contentType = res.getHeader('Content-Type');
    if (contentType) {
      return !/(jpg|jpeg|png|gif|svg|mp3|mp4|zip|rar|7z)/.test(contentType);
    }
    return true;
  }
}));

// 解析JSON请求体
app.use(bodyParser.json());

// 静态文件服务
app.use(express.static(__dirname));

// 缓存策略
app.use((req, res, next) => {
  // 对于API响应，设置为不缓存，确保每次都获取最新数据
  if (req.path.startsWith('/api/')) {
    res.setHeader('Cache-Control', 'no-cache, no-store, must-revalidate');
    res.setHeader('Pragma', 'no-cache');
    res.setHeader('Expires', '0');
  }
  next();
});

// 数据库连接配置
const dbConfig = {
  host: '1.95.162.61',
  port: 3306,
  user: 'root',
  password: 'schl@2025',
  timezone: '+08:00' // 设置时区为东八区
};

// 创建主库连接池（写操作）
const masterPool = mysql.createPool({
  ...dbConfig,
  database: 'userlogin',
  waitForConnections: true,
  connectionLimit: 10, // 写操作连接池较小
  queueLimit: 1000,
  enableKeepAlive: true,
  keepAliveInitialDelay: 30000,// 保持连接初始延迟30秒
  connectTimeout: 10000
});

// 创建从库连接池（读操作）
const slavePool = mysql.createPool({
  ...dbConfig,
  database: 'userlogin',
  waitForConnections: true,
  connectionLimit: 20, // 读操作连接池较大
  queueLimit: 2000,// 读操作队列较大
  enableKeepAlive: true,// 启用保持连接
  keepAliveInitialDelay: 30000,// 保持连接初始延迟30秒
  connectTimeout: 10000// 连接超时10秒
});

// 创建wechat_app数据库连接池（用于操作日志）
const wechatPool = mysql.createPool({
  ...dbConfig,
  database: 'wechat_app',
  waitForConnections: true,
  connectionLimit: 15,
  queueLimit: 0,
  enableKeepAlive: true,
  keepAliveInitialDelay: 30000,
  connectTimeout: 10000
});

// 处理连接池错误
wechatPool.on('error', (err) => {
  console.error('数据库连接池错误:', err);
  // 连接池会自动尝试重新连接
});

// 创建eggbar数据库连接池（用于论坛动态）
const eggbarPool = mysql.createPool({
  ...dbConfig,
  database: 'eggbar',
  waitForConnections: true,
  connectionLimit: 15,
  queueLimit: 0,
  enableKeepAlive: true,
  keepAliveInitialDelay: 30000,
  connectTimeout: 10000
});

// 读写分离路由中间件
function getDbPool(operationType = 'read') {
  // 在实际生产环境中，这里会根据操作类型选择主库或从库
  // 由于是示例环境，我们暂时都使用同一个库，但保留配置结构
  if (operationType === 'write') {
    return masterPool;
  } else {
    return slavePool;
  }
}

// 处理连接池错误
masterPool.on('error', (err) => {
  console.error('主库连接池错误:', err);
});

slavePool.on('error', (err) => {
  console.error('从库连接池错误:', err);
});

// 处理eggbar连接池错误
eggbarPool.on('error', (err) => {
  console.error('eggbar数据库连接池错误:', err);
  // 连接池会自动尝试重新连接
});

// 导入node-schedule库用于定时任务
const schedule = require('node-schedule');

// 数据同步任务：将usertraces表中的数据同步到user_active_logs和user_product_views表中
async function syncUserTracesToActiveLogs() {
  try {
    console.log('开始同步用户活跃数据...');
    
    // 获取今天的日期范围
    const today = new Date();
    today.setHours(0, 0, 0, 0);
    const todayStart = today;
    const todayEnd = new Date();
    todayEnd.setHours(23, 59, 59, 999);
    const todayStr = today.toISOString().split('T')[0];
    
    console.log(`同步日期: ${todayStr}`);
    
    // 查询今天的用户操作记录
    const operationsSql = `
      SELECT userId, operationTime, originalData
      FROM usertraces
      WHERE operationTime BETWEEN ? AND ?
    `;
    
    // 执行查询
    const [operations] = await wechatPool.promise().query(operationsSql, [todayStart, todayEnd]);
    console.log(`查询到 ${operations.length} 条操作记录`);
    
    // 按用户和日期分组
    const userOperations = {};
    const productViews = [];
    
    operations.forEach(op => {
      const key = op.userId;
      if (!userOperations[key]) {
        userOperations[key] = [];
      }
      userOperations[key].push(op);
      
      // 检查是否为商品浏览记录
      if (isProductView(op.originalData)) {
        try {
          const data = typeof op.originalData === 'string' ? JSON.parse(op.originalData) : op.originalData || {};
          const productId = data.productId || data.id;
          
          if (productId) {
            productViews.push({
              userId: op.userId,
              productId: productId,
              viewTime: op.operationTime,
              activeDate: todayStr
            });
          }
        } catch (e) {
          // 忽略无效的商品数据
        }
      }
    });
    
    console.log(`提取到 ${Object.keys(userOperations).length} 个活跃用户`);
    console.log(`提取到 ${productViews.length} 条商品浏览记录`);
    
    // 计算每个用户的活跃信息并插入到user_active_logs表中
    for (const userId in userOperations) {
      const ops = userOperations[userId];
      const duration = calculateActiveDuration(ops);
      const operationCount = ops.length;
      const productViewCount = ops.filter(op => isProductView(op.originalData)).length;
      const favoriteCount = ops.filter(op => isFavoriteAction(op.originalData)).length;
      const lastActiveTime = ops[ops.length - 1].operationTime;
      
      // 插入或更新活跃记录
      const upsertSql = `
        INSERT INTO user_active_logs (user_id, active_date, active_duration, operation_count, product_view_count, favorite_count, last_active_time)
        VALUES (?, ?, ?, ?, ?, ?, ?)
        ON DUPLICATE KEY UPDATE
          active_duration = VALUES(active_duration),
          operation_count = VALUES(operation_count),
          product_view_count = VALUES(product_view_count),
          favorite_count = VALUES(favorite_count),
          last_active_time = VALUES(last_active_time)
      `;
      
      await wechatPool.promise().query(upsertSql, [
        userId,
        todayStr,
        duration,
        operationCount,
        productViewCount,
        favoriteCount,
        lastActiveTime
      ]);
    }
    
    console.log('用户活跃信息同步完成');
    
    // 插入浏览商品记录
    for (const view of productViews) {
      const insertSql = `
        INSERT INTO user_product_views (user_id, active_date, product_id, view_count, first_view_time, last_view_time)
        VALUES (?, ?, ?, ?, ?, ?)
        ON DUPLICATE KEY UPDATE
          view_count = view_count + 1,
          last_view_time = VALUES(last_view_time)
      `;
      
      await wechatPool.promise().query(insertSql, [
        view.userId,
        view.activeDate,
        view.productId,
        1, // 初始浏览次数
        view.viewTime, // 首次浏览时间
        view.viewTime // 最后浏览时间
      ]);
    }
    
    console.log('商品浏览记录同步完成');
    console.log('用户活跃数据同步完成');
  } catch (error) {
    console.error('同步用户活跃数据失败:', error);
  }
}

// 初始化数据同步任务：同步历史数据
async function initSyncHistoricalData() {
  try {
    console.log('开始初始化同步历史数据...');
    
    // 计算30天前的日期
    const thirtyDaysAgo = new Date();
    thirtyDaysAgo.setDate(thirtyDaysAgo.getDate() - 30);
    thirtyDaysAgo.setHours(0, 0, 0, 0);
    
    // 查询30天内的用户操作记录
    const operationsSql = `
      SELECT userId, operationTime, originalData
      FROM usertraces
      WHERE operationTime >= ?
    `;
    
    // 执行查询
    const [operations] = await wechatPool.promise().query(operationsSql, [thirtyDaysAgo]);
    console.log(`查询到 ${operations.length} 条历史操作记录`);
    
    // 按用户和日期分组
    const userDateOperations = {};
    const productViews = [];
    
    operations.forEach(op => {
      const date = new Date(op.operationTime).toISOString().split('T')[0];
      const key = `${op.userId}_${date}`;
      
      if (!userDateOperations[key]) {
        userDateOperations[key] = {
          userId: op.userId,
          date: date,
          operations: []
        };
      }
      userDateOperations[key].operations.push(op);
      
      // 检查是否为商品浏览记录
      if (isProductView(op.originalData)) {
        try {
          const data = typeof op.originalData === 'string' ? JSON.parse(op.originalData) : op.originalData || {};
          const productId = data.productId || data.id;
          
          if (productId) {
            productViews.push({
              userId: op.userId,
              productId: productId,
              viewTime: op.operationTime,
              activeDate: date
            });
          }
        } catch (e) {
          // 忽略无效的商品数据
        }
      }
    });
    
    console.log(`提取到 ${Object.keys(userDateOperations).length} 条用户日期分组记录`);
    console.log(`提取到 ${productViews.length} 条历史商品浏览记录`);
    
    // 计算每个用户每天的活跃信息并插入到user_active_logs表中
    let userLogCount = 0;
    for (const key in userDateOperations) {
      const { userId, date, operations } = userDateOperations[key];
      const duration = calculateActiveDuration(operations);
      const operationCount = operations.length;
      const productViewCount = operations.filter(op => isProductView(op.originalData)).length;
      const favoriteCount = operations.filter(op => isFavoriteAction(op.originalData)).length;
      const lastActiveTime = operations[operations.length - 1].operationTime;
      
      // 插入或更新活跃记录
      const upsertSql = `
        INSERT INTO user_active_logs (user_id, active_date, active_duration, operation_count, product_view_count, favorite_count, last_active_time)
        VALUES (?, ?, ?, ?, ?, ?, ?)
        ON DUPLICATE KEY UPDATE
          active_duration = VALUES(active_duration),
          operation_count = VALUES(operation_count),
          product_view_count = VALUES(product_view_count),
          favorite_count = VALUES(favorite_count),
          last_active_time = VALUES(last_active_time)
      `;
      
      await wechatPool.promise().query(upsertSql, [
        userId,
        date,
        duration,
        operationCount,
        productViewCount,
        favoriteCount,
        lastActiveTime
      ]);
      userLogCount++;
    }
    
    console.log(`同步了 ${userLogCount} 条用户活跃记录`);
    
    // 插入历史浏览商品记录
    let viewCount = 0;
    for (const view of productViews) {
      const insertSql = `
        INSERT INTO user_product_views (user_id, active_date, product_id, view_count, first_view_time, last_view_time)
        VALUES (?, ?, ?, ?, ?, ?)
        ON DUPLICATE KEY UPDATE
          view_count = view_count + 1,
          last_view_time = VALUES(last_view_time)
      `;
      
      await wechatPool.promise().query(insertSql, [
        view.userId,
        view.activeDate,
        view.productId,
        1, // 初始浏览次数
        view.viewTime, // 首次浏览时间
        view.viewTime // 最后浏览时间
      ]);
      viewCount++;
    }
    
    console.log(`同步了 ${viewCount} 条商品浏览记录`);
    console.log('历史数据初始化同步完成');
  } catch (error) {
    console.error('初始化同步历史数据失败:', error);
  }
}

// 设置定时任务，每天同步今天的客户数据
// 每天每小时同步一次
const syncJob = schedule.scheduleJob('0 * * * *', async function() {
  console.log('定时任务执行：同步用户活跃数据');
  await syncUserTracesToActiveLogs();
});

// 初始化缓存清理
initCacheCleanup();

// 应用启动时执行一次初始化同步
console.log('应用启动，开始初始化同步历史数据...');
initSyncHistoricalData().catch(console.error);

// 应用启动时执行一次当天数据同步
console.log('应用启动，开始同步当天数据...');
syncUserTracesToActiveLogs().catch(console.error);

// 应用启动时预加载数据
console.log('应用启动，开始预加载数据...');
preloadData().catch(console.error);

// 客户活跃统计概览（兼容前端调用）
app.get('/api/active-stats', (req, res) => {
  try {
    // 获取时间范围参数
    const { startDate, endDate } = req.query;
    
    // 计算默认日期范围（最近7天）
    const now = new Date();
    const defaultEndStr = now.toISOString().slice(0, 19).replace('T', ' ');
    const sevenDaysAgo = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
    const defaultStartStr = sevenDaysAgo.toISOString().slice(0, 19).replace('T', ' ');
    
    // 使用提供的时间范围或默认值
    const startDateStr = startDate ? `${startDate} 00:00:00` : defaultStartStr;
    const endDateStr = endDate ? `${endDate} 23:59:59` : defaultEndStr;
    
    // 生成缓存键
    const cacheKey = `active-stats-${startDateStr.split(' ')[0]}-${endDateStr.split(' ')[0]}`;
    
    // 检查永久缓存
    if (permanentCache.has(cacheKey)) {
      const cachedData = permanentCache.get(cacheKey);
      console.log(`从永久缓存返回客户活跃统计数据: ${cacheKey}`);
      
      // 立即返回缓存数据
      res.json(cachedData);
      
      // 后台异步更新缓存
      console.log(`后台更新客户活跃统计数据缓存: ${cacheKey}`);
      loadActiveStatsForRange(startDateStr.split(' ')[0], endDateStr.split(' ')[0]).catch(console.error);
      
      return;
    }
    
    // 检查普通缓存
    if (normalCache.has(cacheKey)) {
      const cachedData = normalCache.get(cacheKey);
      console.log(`从普通缓存返回客户活跃统计数据: ${cacheKey}`);
      
      // 立即返回缓存数据
      res.json(cachedData);
      
      // 后台异步更新缓存
      console.log(`后台更新客户活跃统计数据缓存: ${cacheKey}`);
      loadActiveStatsForRange(startDateStr.split(' ')[0], endDateStr.split(' ')[0]).catch(console.error);
      
      return;
    }
    
    // 从user_active_logs表中查询活跃统计数据
    const activeStatsSql = `
      SELECT 
        COUNT(DISTINCT ual.user_id) as totalActive,
        SUM(ual.active_duration) as totalDuration
      FROM user_active_logs ual
      JOIN users u ON ual.user_id = u.userId
      WHERE ual.active_date BETWEEN DATE(?) AND DATE(?)
      AND u.type != 'Colleague'
    `;
    
    // 查询一周内活跃客户数
    const weekActiveSql = `
      SELECT COUNT(DISTINCT ual.user_id) as weekActive
      FROM user_active_logs ual
      JOIN users u ON ual.user_id = u.userId
      WHERE ual.active_date >= DATE(DATE_SUB(NOW(), INTERVAL 7 DAY))
      AND u.type != 'Colleague'
    `;
    
    // 并行执行查询
    Promise.all([
      new Promise((resolve, reject) => {
        wechatPool.query(activeStatsSql, [startDateStr, endDateStr], (err, results) => {
          if (err) reject(err);
          else resolve(results[0]);
        });
      }),
      new Promise((resolve, reject) => {
        wechatPool.query(weekActiveSql, [], (err, results) => {
          if (err) reject(err);
          else resolve(results[0].weekActive);
        });
      })
    ])
    .then(([stats, weekActive]) => {
      const result = {
        success: true,
        data: {
          totalActive: stats.totalActive || 0,
          weekActive: weekActive || 0,
          totalDuration: stats.totalDuration || 0,
          dateRange: {
            start: startDateStr,
            end: endDateStr
          }
        },
        timestamp: Date.now()
      };
      
      // 存储到普通缓存
      normalCache.set(cacheKey, result);
      console.log(`客户活跃统计数据已存储到普通缓存: ${cacheKey}`);
      
      res.json(result);
    })
    .catch(error => {
      console.error('获取活跃统计数据失败:', error);
      res.json({ success: false, message: '获取活跃统计数据失败' });
    });
  } catch (error) {
    console.error('获取活跃统计数据失败:', error);
    res.json({ success: false, message: '获取活跃统计数据失败' });
  }
});

// 基于新表的客户活跃统计概览
app.get('/api/active-stats/new', (req, res) => {
  try {
    // 获取时间范围参数
    const { startDate, endDate } = req.query;
    
    console.log(`[${new Date().toISOString()}] API /api/active-stats/new 被调用，接收参数: startDate=${startDate}, endDate=${endDate}`);
    
    // 计算默认日期范围（最近7天）
    const now = new Date();
    const defaultEndStr = now.toISOString().slice(0, 19).replace('T', ' ');
    const sevenDaysAgo = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
    const defaultStartStr = sevenDaysAgo.toISOString().slice(0, 19).replace('T', ' ');
    
    // 使用提供的时间范围或默认值
    const startDateStr = startDate ? `${startDate} 00:00:00` : defaultStartStr;
    const endDateStr = endDate ? `${endDate} 23:59:59` : defaultEndStr;
    
    console.log(`[${new Date().toISOString()}] API /api/active-stats/new 使用时间范围: startDateStr=${startDateStr}, endDateStr=${endDateStr}`);
    
    // 从user_active_logs表中查询活跃统计数据
    const activeStatsSql = `
      SELECT 
        COUNT(DISTINCT user_id) as totalActive,
        SUM(active_duration) as totalDuration
      FROM user_active_logs
      WHERE active_date BETWEEN DATE(?) AND DATE(?)
    `;
    
    // 查询一周内活跃客户数
    const weekActiveSql = `
      SELECT COUNT(DISTINCT user_id) as weekActive
      FROM user_active_logs
      WHERE active_date >= DATE(DATE_SUB(NOW(), INTERVAL 7 DAY))
    `;
    
    // 并行执行查询
    Promise.all([
      new Promise((resolve, reject) => {
        wechatPool.query(activeStatsSql, [startDateStr, endDateStr], (err, results) => {
          if (err) reject(err);
          else resolve(results[0]);
        });
      }),
      new Promise((resolve, reject) => {
        wechatPool.query(weekActiveSql, [], (err, results) => {
          if (err) reject(err);
          else resolve(results[0].weekActive);
        });
      })
    ])
    .then(([stats, weekActive]) => {
      res.json({
        success: true,
        data: {
          totalActive: stats.totalActive || 0,
          weekActive: weekActive || 0,
          totalDuration: stats.totalDuration || 0,
          dateRange: {
            start: startDateStr,
            end: endDateStr
          }
        }
      });
    })
    .catch(error => {
      console.error('获取活跃统计数据失败:', error);
      res.json({ success: false, message: '获取活跃统计数据失败' });
    });
  } catch (error) {
    console.error('获取活跃统计数据失败:', error);
    res.json({ success: false, message: '获取活跃统计数据失败' });
  }
});

// 客户活跃详情列表（兼容前端调用）
app.get('/api/active-stats/details', (req, res) => {
  try {
    // 获取分页参数
    const page = parseInt(req.query.page) || 1;
    const pageSize = parseInt(req.query.pageSize) || 10;
    const offset = (page - 1) * pageSize;
    
    // 获取时间范围参数
    const { startDate, endDate } = req.query;
    
    // 计算默认日期范围（最近7天）
    const now = new Date();
    const defaultEndStr = now.toISOString().slice(0, 19).replace('T', ' ');
    const sevenDaysAgo = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
    const defaultStartStr = sevenDaysAgo.toISOString().slice(0, 19).replace('T', ' ');
    
    // 使用提供的时间范围或默认值
    const startDateStr = startDate ? `${startDate} 00:00:00` : defaultStartStr;
    const endDateStr = endDate ? `${endDate} 23:59:59` : defaultEndStr;
    
    // 查询总数
    const countSql = `
      SELECT COUNT(DISTINCT ual.user_id) as total
      FROM user_active_logs ual
      JOIN users u ON ual.user_id = u.userId
      WHERE ual.active_date BETWEEN DATE(?) AND DATE(?)
      AND u.type != 'Colleague'
    `;
    
    // 查询客户活跃详情
    const detailsSql = `
      SELECT 
        ual.user_id,
        u.phoneNumber,
        u.created_at as registerTime,
        SUM(ual.active_duration) as totalDuration,
        MAX(ual.last_active_time) as lastActiveTime
      FROM user_active_logs ual
      JOIN users u ON ual.user_id = u.userId
      WHERE ual.active_date BETWEEN DATE(?) AND DATE(?)
      AND u.type != 'Colleague'
      GROUP BY ual.user_id, u.phoneNumber, u.created_at
      ORDER BY lastActiveTime DESC
      LIMIT ? OFFSET ?
    `;
    
    // 并行执行查询
    Promise.all([
      new Promise((resolve, reject) => {
        wechatPool.query(countSql, [startDateStr, endDateStr], (err, results) => {
          if (err) reject(err);
          else resolve(results[0].total);
        });
      }),
      new Promise((resolve, reject) => {
        wechatPool.query(detailsSql, [startDateStr, endDateStr, pageSize, offset], (err, results) => {
          if (err) reject(err);
          else resolve(results);
        });
      })
    ])
    .then(([total, users]) => {
      res.json({
        success: true,
        data: {
          users: users,
          total: total,
          dateRange: {
            start: startDateStr,
            end: endDateStr
          }
        }
      });
    })
    .catch(error => {
      console.error('获取客户活跃详情列表失败:', error);
      res.json({ success: false, message: '获取客户活跃详情列表失败' });
    });
  } catch (error) {
    console.error('获取客户活跃详情列表失败:', error);
    res.json({ success: false, message: '获取客户活跃详情列表失败' });
  }
});

// 基于新表的客户活跃详情列表
app.get('/api/active-stats/details/new', (req, res) => {
  try {
    // 获取分页参数
    const page = parseInt(req.query.page) || 1;
    const pageSize = parseInt(req.query.pageSize) || 10;
    const offset = (page - 1) * pageSize;
    
    // 获取时间范围参数
    const { startDate, endDate } = req.query;
    
    // 计算默认日期范围（最近7天）
    const now = new Date();
    const defaultEndStr = now.toISOString().slice(0, 19).replace('T', ' ');
    const sevenDaysAgo = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
    const defaultStartStr = sevenDaysAgo.toISOString().slice(0, 19).replace('T', ' ');
    
    // 使用提供的时间范围或默认值
    const startDateStr = startDate ? `${startDate} 00:00:00` : defaultStartStr;
    const endDateStr = endDate ? `${endDate} 23:59:59` : defaultEndStr;
    
    // 查询总数
    const countSql = `
      SELECT COUNT(DISTINCT ual.user_id) as total
      FROM user_active_logs ual
      JOIN users u ON ual.user_id = u.userId
      WHERE ual.active_date BETWEEN DATE(?) AND DATE(?)
      AND u.type != 'Colleague'
    `;
    
    // 查询客户活跃详情
    const detailsSql = `
      SELECT 
        ual.user_id,
        u.phoneNumber,
        u.created_at as registerTime,
        SUM(ual.active_duration) as totalDuration,
        MAX(ual.last_active_time) as lastActiveTime
      FROM user_active_logs ual
      JOIN users u ON ual.user_id = u.userId
      WHERE ual.active_date BETWEEN DATE(?) AND DATE(?)
      AND u.type != 'Colleague'
      GROUP BY ual.user_id, u.phoneNumber, u.created_at
      ORDER BY lastActiveTime DESC
      LIMIT ? OFFSET ?
    `;
    
    // 并行执行查询
    Promise.all([
      new Promise((resolve, reject) => {
        wechatPool.query(countSql, [startDateStr, endDateStr], (err, results) => {
          if (err) reject(err);
          else resolve(results[0].total);
        });
      }),
      new Promise((resolve, reject) => {
        wechatPool.query(detailsSql, [startDateStr, endDateStr, pageSize, offset], (err, results) => {
          if (err) reject(err);
          else resolve(results);
        });
      })
    ])
    .then(([total, users]) => {
      res.json({
        success: true,
        data: {
          users: users,
          total: total,
          dateRange: {
            start: startDateStr,
            end: endDateStr
          }
        }
      });
    })
    .catch(error => {
      console.error('获取客户活跃详情列表失败:', error);
      res.json({ success: false, message: '获取客户活跃详情列表失败' });
    });
  } catch (error) {
    console.error('获取客户活跃详情列表失败:', error);
    res.json({ success: false, message: '获取客户活跃详情列表失败' });
  }
});

// 获取用户浏览商品记录
app.get('/api/user-product-views', (req, res) => {
  try {
    const { userId, startDate, endDate, limit = 50 } = req.query;
    
    if (!userId) {
      return res.json({ success: false, message: '缺少userId参数' });
    }
    
    let whereClause = 'WHERE user_id = ?';
    let params = [userId];
    
    if (startDate) {
      whereClause += ' AND active_date >= ?';
      params.push(startDate);
    }
    
    if (endDate) {
      whereClause += ' AND active_date <= ?';
      params.push(endDate);
    }
    
    const sql = `
      SELECT * FROM user_product_views
      ${whereClause}
      ORDER BY last_view_time DESC
      LIMIT ?
    `;
    
    params.push(parseInt(limit));
    
    wechatPool.query(sql, params, (err, results) => {
      if (err) {
        console.error('查询浏览商品记录失败:', err);
        return res.json({ success: false, message: '获取浏览商品记录失败' });
      }
      
      res.json({ success: true, data: results });
    });
  } catch (error) {
    console.error('获取浏览商品记录失败:', error);
    res.json({ success: false, message: '获取浏览商品记录失败' });
  }
});

// 获取商品被浏览记录
app.get('/api/product-views', (req, res) => {
  try {
    const { productId, startDate, endDate, limit = 50 } = req.query;
    
    if (!productId) {
      return res.json({ success: false, message: '缺少productId参数' });
    }
    
    let whereClause = 'WHERE product_id = ?';
    let params = [productId];
    
    if (startDate) {
      whereClause += ' AND active_date >= ?';
      params.push(startDate);
    }
    
    if (endDate) {
      whereClause += ' AND active_date <= ?';
      params.push(endDate);
    }
    
    const sql = `
      SELECT * FROM user_product_views
      ${whereClause}
      ORDER BY last_view_time DESC
      LIMIT ?
    `;
    
    params.push(parseInt(limit));
    
    wechatPool.query(sql, params, (err, results) => {
      if (err) {
        console.error('查询商品被浏览记录失败:', err);
        return res.json({ success: false, message: '获取商品被浏览记录失败' });
      }
      
      res.json({ success: true, data: results });
    });
  } catch (error) {
    console.error('获取商品被浏览记录失败:', error);
    res.json({ success: false, message: '获取商品被浏览记录失败' });
  }
});

// 获取用户浏览商品统计
app.get('/api/user-product-views/stats', (req, res) => {
  try {
    const { userId, startDate, endDate } = req.query;
    
    if (!userId) {
      return res.json({ success: false, message: '缺少userId参数' });
    }
    
    let whereClause = 'WHERE user_id = ?';
    let params = [userId];
    
    if (startDate) {
      whereClause += ' AND active_date >= ?';
      params.push(startDate);
    }
    
    if (endDate) {
      whereClause += ' AND active_date <= ?';
      params.push(endDate);
    }
    
    const sql = `
      SELECT 
        active_date,
        COUNT(*) as view_count,
        COUNT(DISTINCT product_id) as product_count,
        SUM(view_count) as total_views
      FROM user_product_views
      ${whereClause}
      GROUP BY active_date
      ORDER BY active_date DESC
    `;
    
    wechatPool.query(sql, params, (err, results) => {
      if (err) {
        console.error('查询用户浏览商品统计失败:', err);
        return res.json({ success: false, message: '获取浏览商品统计失败' });
      }
      
      res.json({ success: true, data: results });
    });
  } catch (error) {
    console.error('获取浏览商品统计失败:', error);
    res.json({ success: false, message: '获取浏览商品统计失败' });
  }
});

// 登录接口
app.post('/login', (req, res) => {
  const { projectName, userName, password } = req.body;
  
  // 验证参数
  if (!projectName || !userName || !password) {
    return res.json({ success: false, message: '请填写完整的登录信息' });
  }
  
  // 查询数据库
    const sql = 'SELECT * FROM login WHERE userName = ?';
    getDbPool('read').execute(sql, [userName], (err, results) => {
    if (err) {
      console.error('数据库查询失败:', err);
      return res.json({ success: false, message: '登录失败，请稍后重试' });
    }
    
    // 检查用户是否存在
    if (results.length === 0) {
      return res.json({ success: false, message: '用户名不存在' });
    }
    
    const user = results[0];
    
    // 检查密码是否正确
    if (user.password !== password) {
      return res.json({ success: false, message: '密码错误' });
    }
    
    // 检查职位名称是否匹配
    if (user.projectName !== projectName) {
      return res.json({ success: false, message: '职位名称不匹配' });
    }
    
    // 登录成功
    res.json({ success: true, message: '登录成功' });
  });
});

// 获取操作日志列表
app.get('/api/logs', (req, res) => {
  const page = parseInt(req.query.page) || 1;
  const pageSize = parseInt(req.query.pageSize) || 10;
  const userName = req.query.userName || '';
  const userId = req.query.userId || '';
  const phoneNumber = req.query.phoneNumber || '';
  const system = req.query.system || '';
  const startDate = req.query.startDate || '';
  const endDate = req.query.endDate || '';
  
  // 计算偏移量
  const offset = (page - 1) * pageSize;
  
  // 构建查询条件
  let whereClause = '';
  let countParams = [];
  let dataParams = [];
  
  if (userName) {
    whereClause += whereClause ? ' AND ' : ' WHERE ';
    whereClause += 'trauserName LIKE ?';
    countParams.push(`%${userName}%`);
    dataParams.push(`%${userName}%`);
  }
  
  if (userId) {
    whereClause += whereClause ? ' AND ' : ' WHERE ';
    whereClause += 'i.userId LIKE ?';
    countParams.push(`%${userId}%`);
    dataParams.push(`%${userId}%`);
  }
  
  if (startDate) {
    whereClause += whereClause ? ' AND ' : ' WHERE ';
    whereClause += 'i.operationTime >= ?';
    countParams.push(startDate);
    dataParams.push(startDate);
  }
  
  if (endDate) {
    whereClause += whereClause ? ' AND ' : ' WHERE ';
    whereClause += 'i.operationTime <= ?';
    countParams.push(`${endDate} 23:59:59`);
    dataParams.push(`${endDate} 23:59:59`);
  }
  
  // 电话号码筛选
  if (phoneNumber) {
    whereClause += whereClause ? ' AND ' : ' WHERE ';
    whereClause += 'u.phoneNumber LIKE ?';
    countParams.push(`%${phoneNumber}%`);
    dataParams.push(`%${phoneNumber}%`);
  }
  
  // 系统筛选
  if (system) {
    whereClause += whereClause ? ' AND ' : ' WHERE ';
    whereClause += 'i.operationEvent LIKE ?';
    countParams.push(`${system}-%`);
    dataParams.push(`${system}-%`);
  }
  
  // 添加分页参数
  dataParams.push(pageSize);
  dataParams.push(offset);
  
  // 查询总数
  const countSql = `SELECT COUNT(*) as total FROM informationtra i LEFT JOIN users u ON i.userId = u.userId${whereClause}`;
  
  // 查询数据
  const dataSql = `SELECT i.*, u.phoneNumber FROM informationtra i LEFT JOIN users u ON i.userId = u.userId${whereClause} ORDER BY i.operationTime DESC LIMIT ? OFFSET ?`;
  
  // 先查询总数
  wechatPool.query(countSql, countParams, (countErr, countResults) => {
    if (countErr) {
      console.error('查询日志总数失败:', countErr);
      return res.json({ success: false, message: '查询日志失败，请稍后重试' });
    }
    
    const total = countResults[0].total;
    
    // 再查询数据
    wechatPool.query(dataSql, dataParams, (dataErr, dataResults) => {
      if (dataErr) {
        console.error('查询日志数据失败:', dataErr);
        return res.json({ success: false, message: '查询日志失败，请稍后重试' });
      }
      
      res.json({ 
        success: true, 
        logs: dataResults, 
        total 
      });
    });
  });
});

// 获取单个操作日志详情
app.get('/api/logs/:id', (req, res) => {
  const logId = req.params.id;
  
  const sql = 'SELECT i.*, u.phoneNumber FROM informationtra i LEFT JOIN users u ON i.userId = u.userId WHERE i.id = ?';
  
  wechatPool.query(sql, [logId], (err, results) => {
    if (err) {
      console.error('查询日志详情失败:', err);
      return res.json({ success: false, message: '查询日志详情失败，请稍后重试' });
    }
    
    if (results.length === 0) {
      return res.json({ success: false, message: '日志不存在' });
    }
    
    res.json({ success: true, log: results[0] });
  });
});

// 获取统计数据 - 合并查询优化
app.get('/api/stats', (req, res) => {
  try {
    console.log(`[${new Date().toISOString()}] API /api/stats 被调用`);
    
    // 计算今天的日期范围
    const today = new Date();
    today.setHours(0, 0, 0, 0);
    const todayStr = today.toISOString().slice(0, 19).replace('T', ' ');
    
    // 合并查询：产品统计 + 活跃用户统计
    const consolidatedSql = `
      WITH dashboard_stats AS (
        -- 产品统计
        SELECT 'products_total' as metric_type, COUNT(*) as metric_value FROM products
        UNION ALL
        SELECT 'products_pending', COUNT(*) FROM products WHERE status = ?
        UNION ALL
        SELECT 'products_today', COUNT(*) FROM products WHERE created_at >= ?
        
        -- 活跃用户统计
        UNION ALL
        SELECT 'total_active_1d', COUNT(DISTINCT ual.user_id)
        FROM user_active_logs ual
        JOIN users u ON ual.user_id = u.userId
        WHERE ual.active_date >= DATE(DATE_SUB(NOW(), INTERVAL 1 DAY))
          AND u.phoneNumber IS NOT NULL AND u.phoneNumber != ''
          AND u.created_at IS NOT NULL
          AND u.type != 'Colleague'
          
        UNION ALL
        SELECT 'total_active_7d', COUNT(DISTINCT ual.user_id)
        FROM user_active_logs ual
        JOIN users u ON ual.user_id = u.userId
        WHERE ual.active_date >= DATE(DATE_SUB(NOW(), INTERVAL 7 DAY))
          AND u.phoneNumber IS NOT NULL AND u.phoneNumber != ''
          AND u.created_at IS NOT NULL
          AND u.type != 'Colleague'
      )
      SELECT * FROM dashboard_stats
    `;
    
    // 执行合并查询
    wechatPool.query(consolidatedSql, ['pending_review', todayStr], (err, results) => {
      if (err) {
        console.error('获取统计数据失败:', err);
        res.json({ success: false, message: '获取统计数据失败' });
        return;
      }
      
      // 处理查询结果
      const statsMap = {};
      results.forEach(row => {
        statsMap[row.metric_type] = row.metric_value;
      });
      
      console.log(`[${new Date().toISOString()}] API /api/stats 查询结果:`, statsMap);
      
      res.json({
        success: true,
        data: {
          total: statsMap.products_total || 0,
          pending: statsMap.products_pending || 0,
          today: statsMap.products_today || 0,
          active1d: statsMap.total_active_1d || 0,
          active7d: statsMap.total_active_7d || 0
        }
      });
    });
  } catch (error) {
    console.error('获取统计数据失败:', error);
    res.json({ success: false, message: '获取统计数据失败' });
  }
});

// 获取客户统计数据 - 合并查询优化
app.get('/api/client-stats', (req, res) => {
  try {
    // 获取时间范围参数
    const { startDate, endDate, newClientBy, followedClientBy } = req.query;
    console.log('API接收到的时间范围参数:', startDate, endDate);
    console.log('API接收到的时间标准参数:', newClientBy, followedClientBy);
    
    // 计算默认日期范围（今天）
    const today = new Date();
    today.setHours(0, 0, 0, 0);
    const defaultStartStr = today.toISOString().slice(0, 19).replace('T', ' ');
    const now = new Date(); // 当前时间
    const defaultEndStrFormatted = now.toISOString().slice(0, 19).replace('T', ' ');
    
    // 使用提供的时间范围或默认值
    const startDateStr = startDate ? `${startDate} 00:00:00` : defaultStartStr;
    const endDateStr = endDate ? `${endDate} 23:59:59` : defaultEndStrFormatted;
    
    // 生成缓存键
    const cacheKey = `client-stats-${startDateStr.split(' ')[0]}-${endDateStr.split(' ')[0]}`;
    
    // 检查永久缓存
    if (permanentCache.has(cacheKey)) {
      const cachedData = permanentCache.get(cacheKey);
      console.log(`从永久缓存返回客户统计数据: ${cacheKey}`);
      
      // 立即返回缓存数据
      res.json(cachedData);
      
      // 后台异步更新缓存
      console.log(`后台更新客户统计数据缓存: ${cacheKey}`);
      loadClientStatsForRange(startDateStr.split(' ')[0], endDateStr.split(' ')[0]).catch(console.error);
      
      return;
    }
    
    // 检查普通缓存
    if (normalCache.has(cacheKey)) {
      const cachedData = normalCache.get(cacheKey);
      console.log(`从普通缓存返回客户统计数据: ${cacheKey}`);
      
      // 立即返回缓存数据
      res.json(cachedData);
      
      // 后台异步更新缓存
      console.log(`后台更新客户统计数据缓存: ${cacheKey}`);
      loadClientStatsForRange(startDateStr.split(' ')[0], endDateStr.split(' ')[0]).catch(console.error);
      
      return;
    }
    
    console.log('使用的时间范围:', { startDateStr, endDateStr });
    console.log('API使用的时间范围:', startDateStr, endDateStr);
    
    // 查询指定时间范围内的新增客户数（排除type值为Colleague的客户）
    const newClientsSql = 'SELECT COUNT(*) as clientCount FROM users WHERE created_at BETWEEN ? AND ? AND type != ?';
    
    // 查询客户分配情况（排除type值为Colleague的客户）
    const clientAllocationSql = `
      SELECT 
        CASE 
          WHEN um.userName IS NULL OR um.userName = '' THEN '公海池'
          ELSE um.userName 
        END as managerName, 
        COUNT(*) as clientCount 
      FROM users u 
      LEFT JOIN usermanagements um ON um.userId = u.userId 
      WHERE u.created_at BETWEEN ? AND ? AND u.type != ? 
      GROUP BY managerName 
      ORDER BY clientCount DESC
    `;
    
    // 构建客户跟进情况查询
    let followStatusSql = '';
    let followParams = [];
    
    if (followedClientBy === 'updated_at') {
      // 已跟进客户：使用updated_at作为时间标准（包括今日新增和之前新增的）
      // 未跟进客户：使用created_at作为时间标准（仅今日新增客户中没有跟进的）
      followStatusSql = `
        SELECT 
          SUM(CASE WHEN (u.followup IS NOT NULL AND u.followup != '') AND u.updated_at BETWEEN ? AND ? THEN 1 ELSE 0 END) as followed,
          SUM(CASE WHEN (u.followup IS NULL OR u.followup = '') AND u.created_at BETWEEN ? AND ? THEN 1 ELSE 0 END) as notFollowed
        FROM users u 
        WHERE u.type != ?
      `;
      followParams = [startDateStr, endDateStr, startDateStr, endDateStr, 'Colleague'];
    } else {
      // 默认：使用created_at作为时间标准
      followStatusSql = `
        SELECT 
          SUM(CASE WHEN u.followup IS NOT NULL AND u.followup != '' THEN 1 ELSE 0 END) as followed,
          SUM(CASE WHEN u.followup IS NULL OR u.followup = '' THEN 1 ELSE 0 END) as notFollowed
        FROM users u 
        WHERE u.created_at BETWEEN ? AND ? AND u.type != ?
      `;
      followParams = [startDateStr, endDateStr, 'Colleague'];
    }
    
    // 执行查询
    wechatPool.query(newClientsSql, [startDateStr, endDateStr, 'Colleague'], (clientsErr, clientsResults) => {
      if (clientsErr) {
        console.error('查询新增客户数失败:', clientsErr);
        return res.json({ success: false, message: '获取客户统计数据失败' });
      }
      
      const clientCount = clientsResults[0].clientCount;
      
      wechatPool.query(clientAllocationSql, [startDateStr, endDateStr, 'Colleague'], (allocationErr, allocationResults) => {
        if (allocationErr) {
          console.error('查询客户分配情况失败:', allocationErr);
          return res.json({ success: false, message: '获取客户统计数据失败' });
        }
        
        wechatPool.query(followStatusSql, followParams, (followErr, followResults) => {
          if (followErr) {
            console.error('查询客户跟进情况失败:', followErr);
            return res.json({ success: false, message: '获取客户统计数据失败' });
          }
          
          const followData = followResults[0];
          
          const result = {
            success: true,
            data: {
              clientCount: clientCount,
              clientAllocation: allocationResults,
              followStatus: {
                followed: followData.followed || 0,
                notFollowed: followData.notFollowed || 0
              }
            },
            timestamp: Date.now()
          };
          
          // 存储到普通缓存
          normalCache.set(cacheKey, result);
          console.log(`客户统计数据已存储到普通缓存: ${cacheKey}`);
          
          // 返回结果
          res.json(result);
        });
      });
    });
  } catch (error) {
    console.error('获取客户统计数据失败:', error);
    res.json({ success: false, message: '获取客户统计数据失败' });
  }
});

// 获取客户详细信息
app.get('/api/client-details', (req, res) => {
  try {
    // 获取分页参数
    const page = parseInt(req.query.page) || 1;
    const pageSize = parseInt(req.query.pageSize) || 10;
    
    // 获取时间范围参数
    const { startDate, endDate, followStatus, isUnassigned, newClientBy, followedClientBy } = req.query;
    
    console.log('API接收到的参数:', {
      startDate,
      endDate,
      followStatus,
      isUnassigned,
      newClientBy,
      followedClientBy,
      page,
      pageSize
    });
    
    // 计算默认日期范围（今天）
    const today = new Date();
    today.setHours(0, 0, 0, 0);
    const defaultStartStr = today.toISOString().slice(0, 19).replace('T', ' ');
    const now = new Date(); // 当前时间
    const defaultEndStrFormatted = now.toISOString().slice(0, 19).replace('T', ' ');
    
    // 使用提供的时间范围或默认值
    const startDateStr = startDate ? `${startDate} 00:00:00` : defaultStartStr;
    const endDateStr = endDate ? `${endDate} 23:59:59` : defaultEndStrFormatted;
    
    // 生成缓存键
    const cacheKey = `client-details-${startDateStr.split(' ')[0]}-${endDateStr.split(' ')[0]}-${followStatus || 'all'}-${isUnassigned || 'false'}-${page}-${pageSize}`;
    
    // 检查普通缓存
    if (normalCache.has(cacheKey)) {
      const cachedData = normalCache.get(cacheKey);
      console.log(`从普通缓存返回客户详情数据: ${cacheKey}`);
      
      // 立即返回缓存数据
      res.json(cachedData);
      
      // 后台异步更新缓存
      console.log(`后台更新客户详情数据缓存: ${cacheKey}`);
      // 这里可以添加后台更新缓存的逻辑
      
      return;
    }
    
    // 构建查询条件
    let whereClause = 'WHERE u.type != ?';
    let params = ['Colleague'];
    
    // 添加跟进状态筛选
    if (followStatus === 'followed') {
      whereClause += " AND (u.followup IS NOT NULL AND u.followup != '')";
      // 已跟进客户：使用updated_at作为时间标准，兼容时间筛选
      whereClause += ' AND u.updated_at BETWEEN ? AND ?';
      params.push(startDateStr, endDateStr);
    } else if (followStatus === 'notFollowed') {
      whereClause += " AND (u.followup IS NULL OR u.followup = '')";
      // 未跟进客户：使用created_at作为时间标准
      whereClause += ' AND u.created_at BETWEEN ? AND ?';
      params.push(startDateStr, endDateStr);
    } else {
      // 其他情况：使用created_at作为时间标准
      whereClause += ' AND u.created_at BETWEEN ? AND ?';
      params.push(startDateStr, endDateStr);
    }
    
    // 添加未分配筛选
    if (isUnassigned === 'true') {
      whereClause = 'WHERE u.type != ?';
      // 重置params到基础参数
      params = ['Colleague'];
      
      // 根据跟进状态添加时间筛选条件
      if (followStatus === 'followed') {
        whereClause += " AND (u.followup IS NOT NULL AND u.followup != '')";
        // 已跟进客户：使用updated_at作为时间标准
        whereClause += ' AND u.updated_at BETWEEN ? AND ?';
        params.push(startDateStr, endDateStr);
      } else if (followStatus === 'notFollowed') {
        whereClause += " AND (u.followup IS NULL OR u.followup = '')";
        // 未跟进客户：使用created_at作为时间标准
        whereClause += ' AND u.created_at BETWEEN ? AND ?';
        params.push(startDateStr, endDateStr);
      } else {
        // 其他情况：使用created_at作为时间标准
        whereClause += ' AND u.created_at BETWEEN ? AND ?';
        params.push(startDateStr, endDateStr);
      }
      
      // 查询未分配客户，即负责人为空的客户
      whereClause += ` AND NOT EXISTS (SELECT 1 FROM usermanagements um WHERE um.userId = u.userId AND um.userName IS NOT NULL AND um.userName != '')`;
    }
    
    // 计算偏移量
    const offset = (page - 1) * pageSize;
    
    // 查询总数
    const countSql = `SELECT COUNT(*) as total FROM users u ${whereClause}`;
    
    console.log('执行的countSql:', countSql);
    console.log('countSql参数:', params);
    
    // 查询客户详细信息
    const clientDetailsSql = `
      SELECT 
        u.nickName, 
        u.phoneNumber, 
        u.followup, 
        u.followup_at, 
        u.updated_at,
        CASE WHEN u.followup IS NOT NULL AND u.followup != '' THEN '已跟进' ELSE '未跟进' END as status,
        CASE 
          WHEN um.userName IS NULL OR um.userName = '' THEN '公海池'
          ELSE um.userName 
        END as userName
      FROM users u 
      LEFT JOIN usermanagements um ON um.userId = u.userId
      ${whereClause}
      ORDER BY u.created_at DESC
      LIMIT ? OFFSET ?
    `;
    
    console.log('执行的clientDetailsSql:', clientDetailsSql);
    
    // 执行查询
    wechatPool.query(countSql, params, (countErr, countResults) => {
      if (countErr) {
        console.error('查询客户总数失败:', countErr);
        return res.json({ success: false, message: '获取客户详细信息失败' });
      }
      
      const total = countResults[0].total;
      
      // 添加分页参数
      const dataParams = [...params, pageSize, offset];
      
      // 查询分页数据
      wechatPool.query(clientDetailsSql, dataParams, (dataErr, dataResults) => {
        if (dataErr) {
          console.error('查询客户详细信息失败:', dataErr);
          return res.json({ success: false, message: '获取客户详细信息失败' });
        }
        
        const result = {
          success: true,
          data: dataResults,
          total: total,
          timestamp: Date.now()
        };
        
        // 存储到普通缓存
        normalCache.set(cacheKey, result);
        console.log(`客户详情数据已存储到普通缓存: ${cacheKey}`);
        
        res.json(result);
      });
    });
  } catch (error) {
    console.error('获取客户详细信息失败:', error);
    res.json({ success: false, message: '获取客户详细信息失败' });
  }
});

// 获取指定业务员的客户信息
app.get('/api/manager-clients', (req, res) => {
  try {
    // 获取分页参数
    const page = parseInt(req.query.page) || 1;
    const pageSize = parseInt(req.query.pageSize) || 10;
    
    // 获取参数
    const { managerName, startDate, endDate } = req.query;
    
    // 计算默认日期范围（今天）
    const today = new Date();
    today.setHours(0, 0, 0, 0);
    const defaultStartStr = today.toISOString().slice(0, 19).replace('T', ' ');
    const now = new Date(); // 当前时间
    const defaultEndStrFormatted = now.toISOString().slice(0, 19).replace('T', ' ');
    
    // 使用提供的时间范围或默认值
    const startDateStr = startDate ? `${startDate} 00:00:00` : defaultStartStr;
    const endDateStr = endDate ? `${endDate} 23:59:59` : defaultEndStrFormatted;
    
    // 构建查询条件和参数
    const params = [managerName, startDateStr, endDateStr, 'Colleague'];
    
    // 计算偏移量
    const offset = (page - 1) * pageSize;
    
    // 查询总数
    const countSql = `
      SELECT COUNT(*) as total 
      FROM usermanagements um 
      JOIN users u ON um.userId = u.userId 
      WHERE um.userName = ? AND u.created_at BETWEEN ? AND ? AND u.type != ?
    `;
    
    // 查询指定业务员的客户信息
    const managerClientsSql = `
      SELECT 
        u.nickName, 
        u.phoneNumber, 
        u.followup, 
        u.followup_at, 
        u.updated_at,
        CASE WHEN u.followup IS NOT NULL AND u.followup != '' THEN '已跟进' ELSE '未跟进' END as status,
        um.userName as userName
      FROM usermanagements um 
      JOIN users u ON um.userId = u.userId 
      WHERE um.userName = ? AND u.created_at BETWEEN ? AND ? AND u.type != ?
      ORDER BY u.created_at DESC
      LIMIT ? OFFSET ?
    `;
    
    // 执行查询
    wechatPool.query(countSql, params, (countErr, countResults) => {
      if (countErr) {
        console.error('查询指定业务员客户总数失败:', countErr);
        return res.json({ success: false, message: '获取客户详细信息失败' });
      }
      
      const total = countResults[0].total;
      
      // 添加分页参数
      const dataParams = [...params, pageSize, offset];
      
      // 查询分页数据
      wechatPool.query(managerClientsSql, dataParams, (dataErr, dataResults) => {
        if (dataErr) {
          console.error('查询指定业务员的客户信息失败:', dataErr);
          return res.json({ success: false, message: '获取客户详细信息失败' });
        }
        
        res.json({
          success: true,
          data: dataResults,
          total: total
        });
      });
    });
  } catch (error) {
    console.error('获取指定业务员的客户信息失败:', error);
    res.json({ success: false, message: '获取客户详细信息失败' });
  }
});

// 获取商品日志列表
app.get('/api/product-logs', (req, res) => {
  const page = parseInt(req.query.page) || 1;
  const pageSize = parseInt(req.query.pageSize) || 10;
  const productId = req.query.productId || '';
  const sellerId = req.query.sellerId || '';
  const startDate = req.query.startDate || '';
  const endDate = req.query.endDate || '';
  
  // 计算偏移量
  const offset = (page - 1) * pageSize;
  
  // 构建查询条件
  let whereClause = '';
  let countParams = [];
  let dataParams = [];
  
  if (productId) {
    whereClause += whereClause ? ' AND ' : ' WHERE ';
    whereClause += 'productId LIKE ?';
    countParams.push(`%${productId}%`);
    dataParams.push(`%${productId}%`);
  }
  
  if (sellerId) {
    whereClause += whereClause ? ' AND ' : ' WHERE ';
    whereClause += 'sellerId LIKE ?';
    countParams.push(`%${sellerId}%`);
    dataParams.push(`%${sellerId}%`);
  }
  
  if (startDate) {
    whereClause += whereClause ? ' AND ' : ' WHERE ';
    whereClause += 'updated_at >= ?';
    countParams.push(startDate);
    dataParams.push(startDate);
  }
  
  if (endDate) {
    whereClause += whereClause ? ' AND ' : ' WHERE ';
    whereClause += 'updated_at <= ?';
    countParams.push(`${endDate} 23:59:59`);
    dataParams.push(`${endDate} 23:59:59`);
  }
  
  // 只查询有日志的商品
  whereClause += whereClause ? ' AND ' : ' WHERE ';
  whereClause += 'product_log IS NOT NULL AND product_log != ""';
  
  // 添加分页参数
  dataParams.push(pageSize);
  dataParams.push(offset);
  
  // 查询总数
  const countSql = `SELECT COUNT(*) as total FROM products${whereClause}`;
  
  // 查询数据
  const dataSql = `SELECT id, productId, sellerId, productName, product_log as logContent, updated_at as logTime FROM products${whereClause} ORDER BY updated_at DESC LIMIT ? OFFSET ?`;
  
  // 先查询总数
  wechatPool.query(countSql, countParams, (countErr, countResults) => {
    if (countErr) {
      console.error('查询商品日志总数失败:', countErr);
      return res.json({ success: false, message: '查询商品日志失败，请稍后重试' });
    }
    
    const total = countResults[0].total;
    
    // 再查询数据
    wechatPool.query(dataSql, dataParams, (dataErr, dataResults) => {
      if (dataErr) {
        console.error('查询商品日志数据失败:', dataErr);
        return res.json({ success: false, message: '查询商品日志失败，请稍后重试' });
      }
      
      res.json({ 
        success: true, 
        logs: dataResults, 
        total 
      });
    });
  });
});

// 获取单个商品日志详情
app.get('/api/product-logs/:id', (req, res) => {
  const logId = req.params.id;
  
  const sql = 'SELECT id, productId, sellerId, productName, product_log as logContent, updated_at as logTime FROM products WHERE id = ?';
  
  wechatPool.query(sql, [logId], (err, results) => {
    if (err) {
      console.error('查询商品日志详情失败:', err);
      return res.json({ success: false, message: '查询商品日志详情失败，请稍后重试' });
    }
    
    if (results.length === 0) {
      return res.json({ success: false, message: '商品日志不存在' });
    }
    
    res.json({ success: true, log: results[0] });
  });
});

// 获取产品生命周期历史（被哪些业务员修改过）
app.get('/api/product-lifecycle/:productId', (req, res) => {
  const productId = req.params.productId;
  
  // 查询产品基本信息
  const productSql = 'SELECT * FROM products WHERE productId = ?';
  
  // 查询产品相关的操作日志，关联业务员信息，只返回审核系统的日志
  // 注：informationtra表存储的是操作记录，通过operationEvent区分操作类型
  // 使用informationtra表中的trauserName作为操作人名称，这是最准确的
  // 只返回与当前产品相关的操作日志
  const lifecycleSql = `
    SELECT 
      i.*, 
      u.phoneNumber,
      i.trauserName as operationUser 
    FROM informationtra i 
    LEFT JOIN users u ON i.userId = u.userId
    WHERE i.operationEvent LIKE '审核系统-%' AND 
          (i.operationEvent LIKE CONCAT('%', ? ,'%') OR 
           i.originalData LIKE CONCAT('%', ? ,'%') OR 
           i.modifiedData LIKE CONCAT('%', ? ,'%'))
    ORDER BY i.operationTime ASC
  `;
  
  // 先查询产品基本信息
  wechatPool.query(productSql, [productId], (productErr, productResults) => {
    if (productErr) {
      console.error('查询产品信息失败:', productErr);
      return res.json({ success: false, message: '查询产品生命周期失败，请稍后重试' });
    }
    
    if (productResults.length === 0) {
      return res.json({ success: false, message: '产品不存在' });
    }
    
    // 再查询操作日志，只返回与当前产品相关的日志
    wechatPool.query(lifecycleSql, [productId, productId, productId], (lifecycleErr, lifecycleResults) => {
      if (lifecycleErr) {
        console.error('查询产品操作日志失败:', lifecycleErr);
        return res.json({ success: false, message: '查询产品生命周期失败，请稍后重试' });
      }
      
      // 查询产品的卖家信息，优先使用informationtra表中的trauserName作为卖家名称
      const sellerSql = `
        SELECT 
          u.*, 
          COALESCE(it.trauserName, um.userName, u.nickName) as sellerName 
        FROM users u 
        LEFT JOIN usermanagements um ON u.userId = um.userId 
        LEFT JOIN (SELECT DISTINCT userId, trauserName FROM informationtra) it ON u.userId = it.userId
        WHERE u.userId = ?
      `;
      
      wechatPool.query(sellerSql, [productResults[0].sellerId], (sellerErr, sellerResults) => {
        if (sellerErr) {
          console.error('查询产品卖家信息失败:', sellerErr);
          return res.json({ success: false, message: '查询产品生命周期失败，请稍后重试' });
        }
        
        res.json({ 
          success: true, 
          product: productResults[0],
          seller: sellerResults[0] || {},
          lifecycle: lifecycleResults
        });
      });
    });
  });
});

// 获取客户操作历史（被哪些业务员操作过）
app.get('/api/customer-history/:userIdOrPhone', (req, res) => {
  const userIdOrPhone = req.params.userIdOrPhone;
  
  // 判断输入是客户ID还是电话号码
  // 查询客户基本信息 - 先尝试通过userId查询，失败则尝试通过phoneNumber查询
  const customerSql = `
    SELECT * FROM users 
    WHERE userId = ? OR phoneNumber = ?
  `;
  
  // 查询客户相关的操作日志，关联业务员信息
  // 先通过userId或phoneNumber查询客户ID，再查询操作日志
  // 只返回跟进系统的操作日志
  const historySql = `
    SELECT 
      i.*, 
      um.userName as operationUser 
    FROM informationtra i 
    LEFT JOIN usermanagements um ON i.userId = um.userId
    WHERE i.userId = (
      SELECT userId FROM users WHERE userId = ? OR phoneNumber = ?
    ) AND i.operationEvent LIKE '跟进系统-%'
    ORDER BY i.operationTime ASC
  `;
  
  // 查询客户的分配历史
  const allocationSql = `
    SELECT 
      um.userName as managerName, 
      u.created_at as allocationTime 
    FROM users u 
    LEFT JOIN usermanagements um ON u.userId = um.userId
    WHERE u.userId = (
      SELECT userId FROM users WHERE userId = ? OR phoneNumber = ?
    )
    ORDER BY u.created_at ASC
  `;
  
  // 先查询客户基本信息
  wechatPool.query(customerSql, [userIdOrPhone, userIdOrPhone], (customerErr, customerResults) => {
    if (customerErr) {
      console.error('查询客户信息失败:', customerErr);
      return res.json({ success: false, message: '查询客户操作历史失败，请稍后重试' });
    }
    
    if (customerResults.length === 0) {
      return res.json({ success: false, message: '客户不存在' });
    }
    
    const customerId = customerResults[0].userId;
    
    // 再查询操作日志
    wechatPool.query(historySql, [userIdOrPhone, userIdOrPhone], (historyErr, historyResults) => {
      if (historyErr) {
        console.error('查询客户操作日志失败:', historyErr);
        return res.json({ success: false, message: '查询客户操作历史失败，请稍后重试' });
      }
      
      // 查询客户分配历史
      wechatPool.query(allocationSql, [userIdOrPhone, userIdOrPhone], (allocationErr, allocationResults) => {
        if (allocationErr) {
          console.error('查询客户分配历史失败:', allocationErr);
          return res.json({ success: false, message: '查询客户操作历史失败，请稍后重试' });
        }
        
        res.json({ 
          success: true, 
          customer: customerResults[0],
          operationHistory: historyResults,
          allocationHistory: allocationResults
        });
      });
    });
  });
});

// 获取业务员操作记录（业务员操作过哪些客户和货源）
app.get('/api/agent-operations/:userName', (req, res) => {
  const userName = req.params.userName;
  
  // 查询业务员基本信息
  const agentSql = 'SELECT * FROM usermanagements WHERE userName = ?';
  
  // 查询业务员操作过的客户列表（跟进系统相关操作）
  const customerOperationsSql = `
    SELECT DISTINCT 
      i.userId, 
      u.nickName, 
      u.phoneNumber,
      MIN(i.operationTime) as firstOperationTime,
      MAX(i.operationTime) as lastOperationTime,
      COUNT(i.id) as operationCount
    FROM informationtra i 
    LEFT JOIN users u ON i.userId = u.userId
    WHERE i.trauserName = ? AND i.operationEvent LIKE '跟进系统-%'
    GROUP BY i.userId, u.nickName, u.phoneNumber
    ORDER BY lastOperationTime DESC
  `;
  
  // 查询业务员操作过的货源列表（审核系统或货源相关操作）
  const productOperationsSql = `
    SELECT DISTINCT 
      JSON_UNQUOTE(JSON_EXTRACT(i.modifiedData, '$.productId')) as productId,
      MIN(i.operationTime) as firstOperationTime,
      MAX(i.operationTime) as lastOperationTime,
      COUNT(i.id) as operationCount
    FROM informationtra i 
    WHERE i.trauserName = ? AND (i.operationEvent LIKE '审核系统-%' OR i.operationEvent LIKE '%货源%')
    AND JSON_EXTRACT(i.modifiedData, '$.productId') IS NOT NULL
    GROUP BY JSON_UNQUOTE(JSON_EXTRACT(i.modifiedData, '$.productId'))
    ORDER BY lastOperationTime DESC
  `;
  
  // 查询业务员操作的详细客户日志
  const customerLogsSql = `
    SELECT 
      i.*, 
      u.nickName as customerName,
      u.phoneNumber as customerPhone
    FROM informationtra i 
    LEFT JOIN users u ON i.userId = u.userId
    WHERE i.trauserName = ? AND i.operationEvent LIKE '跟进系统-%'
    ORDER BY i.operationTime DESC
  `;
  
  // 查询业务员操作的详细货源日志
  const productLogsSql = `
    SELECT 
      i.*, 
      u.nickName as customerName,
      u.phoneNumber as customerPhone
    FROM informationtra i 
    LEFT JOIN users u ON i.userId = u.userId
    WHERE i.trauserName = ? AND (i.operationEvent LIKE '审核系统-%' OR i.operationEvent LIKE '%货源%')
    ORDER BY i.operationTime DESC
  `;
  
  // 先查询业务员基本信息
  wechatPool.query(agentSql, [userName], (agentErr, agentResults) => {
    if (agentErr) {
      console.error('查询业务员信息失败:', agentErr);
      return res.json({ success: false, message: '查询业务员操作记录失败，请稍后重试' });
    }
    
    if (agentResults.length === 0) {
      return res.json({ success: false, message: '业务员不存在' });
    }
    
    // 查询业务员操作过的客户列表
    wechatPool.query(customerOperationsSql, [userName], (customerOpsErr, customerOpsResults) => {
      if (customerOpsErr) {
        console.error('查询业务员操作客户列表失败:', customerOpsErr);
        return res.json({ success: false, message: '查询业务员操作记录失败，请稍后重试' });
      }
      
      // 查询业务员操作过的货源列表
      wechatPool.query(productOperationsSql, [userName], (productOpsErr, productOpsResults) => {
        if (productOpsErr) {
          console.error('查询业务员操作货源列表失败:', productOpsErr);
          return res.json({ success: false, message: '查询业务员操作记录失败，请稍后重试' });
        }
        
        // 查询业务员操作的详细客户日志
        wechatPool.query(customerLogsSql, [userName], (customerLogsErr, customerLogsResults) => {
          if (customerLogsErr) {
            console.error('查询业务员客户操作日志失败:', customerLogsErr);
            return res.json({ success: false, message: '查询业务员操作记录失败，请稍后重试' });
          }
          
          // 查询业务员操作的详细货源日志
          wechatPool.query(productLogsSql, [userName], (productLogsErr, productLogsResults) => {
            if (productLogsErr) {
              console.error('查询业务员货源操作日志失败:', productLogsErr);
              return res.json({ success: false, message: '查询业务员操作记录失败，请稍后重试' });
            }
            
            res.json({ 
              success: true, 
              agent: agentResults[0],
              customerOperations: customerOpsResults,
              productOperations: productOpsResults,
              customerLogs: customerLogsResults,
              productLogs: productLogsResults
            });
          });
        });
      });
    });
  });
});

// 批量请求API端点
app.post('/api/batch', (req, res) => {
  try {
    const { requests } = req.body;
    
    if (!Array.isArray(requests)) {
      return res.json({ success: false, message: '请求格式错误，requests必须是数组' });
    }
    
    if (requests.length === 0) {
      return res.json({ success: false, message: '请求数组不能为空' });
    }
    
    if (requests.length > 20) {
      return res.json({ success: false, message: '请求数量不能超过20个' });
    }
    
    // 并行处理所有请求
    const requestPromises = requests.map((request, index) => {
      return new Promise((resolve) => {
        const { id, endpoint, params = {} } = request;
        
        try {
          // 解析endpoint，提取HTTP方法和路径
          let method = 'GET';
          let path = endpoint;
          
          if (endpoint.includes(' ')) {
            const parts = endpoint.split(' ');
            method = parts[0].toUpperCase();
            path = parts[1];
          }
          
          // 构建完整的URL（如果需要）
          let url = path;
          
          // 处理GET请求的查询参数
          if (method === 'GET' && Object.keys(params).length > 0) {
            const queryString = new URLSearchParams(params).toString();
            if (queryString) {
              url += url.includes('?') ? '&' : '?';
              url += queryString;
            }
          }
          
          // 模拟请求处理
          // 这里需要根据实际的API路径调用相应的处理函数
          // 为了简单起见，我们使用fetch来模拟内部请求
          const options = {
            method,
            headers: {
              'Content-Type': 'application/json'
            }
          };
          
          if (method !== 'GET') {
            options.body = JSON.stringify(params);
          }
          
          // 发送请求到内部API
          fetch(`http://localhost:3005${url}`, options)
            .then(response => response.json())
            .then(data => {
              resolve({ id, success: true, data });
            })
            .catch(error => {
              console.error(`处理请求 ${id} 失败:`, error);
              resolve({ id, success: false, error: error.message });
            });
        } catch (error) {
          console.error(`处理请求 ${id} 失败:`, error);
          resolve({ id, success: false, error: error.message });
        }
      });
    });
    
    // 等待所有请求完成
    Promise.all(requestPromises)
      .then(results => {
        res.json({ 
          success: true, 
          results 
        });
      })
      .catch(error => {
        console.error('批量请求处理失败:', error);
        res.json({ success: false, message: '批量请求处理失败' });
      });
  } catch (error) {
    console.error('批量请求处理失败:', error);
    res.json({ success: false, message: '批量请求处理失败' });
  }
});

// 缓存解析结果，避免重复解析相同的JSON字符串
const jsonParseCache = new Map();

// 批量解析JSON数据，使用缓存提升性能
function batchParseJSON(operations) {
  return operations
    .filter(op => {
      // 过滤掉没有operationTime或operationTime为undefined的记录
      return op && op.operationTime;
    })
    .map(op => {
      try {
        // 创建有效的Date对象
        const operationTime = new Date(op.operationTime);
        
        // 过滤掉无效的时间值
        if (isNaN(operationTime.getTime())) {
          return null;
        }
        
        if (typeof op.originalData === 'string') {
          // 检查缓存中是否已有解析结果
          if (jsonParseCache.has(op.originalData)) {
            return {
              operationTime: operationTime,
              originalData: jsonParseCache.get(op.originalData)
            };
          }
          
          // 解析新的JSON字符串并缓存结果
          const parsedData = JSON.parse(op.originalData);
          jsonParseCache.set(op.originalData, parsedData);
          return {
            operationTime: operationTime,
            originalData: parsedData
          };
        } else {
          return {
            operationTime: operationTime,
            originalData: op.originalData || {}
          };
        }
      } catch (e) {
        // 解析失败时返回null，后续会被过滤
        return null;
      }
    })
    .filter(item => item !== null); // 过滤掉所有null值
}

// 批量计算活跃时长
function batchCalculateActiveDuration(operationsList) {
  return operationsList.map(operations => calculateActiveDuration(operations));
}

// 计算活跃时长的函数（基于app_show/app_hide事件，无事件时基于操作记录时间范围）
function calculateActiveDuration(operations) {
  if (!operations || operations.length === 0) {
    return 0;
  }
  
  let totalDuration = 0;
  let currentSessionStart = null;
  let lastAction = null;
  let firstOperationTime = null;
  let lastOperationTime = null;
  
  // 使用批量解析JSON函数，提升性能并过滤无效时间值
  const parsedOperations = batchParseJSON(operations)
    .sort((a, b) => a.operationTime - b.operationTime);
  
  // 检查解析后是否还有有效操作记录
  if (parsedOperations.length === 0) {
    // 兜底：如果没有有效操作记录，返回一个基础活跃时长
    return 30; // 默认30秒
  }
  
  // 单次遍历处理所有逻辑
  for (const op of parsedOperations) {
    const operationTime = op.operationTime;
    const action = op.originalData.action;
    
    // 更新第一条和最后一条操作时间
    if (!firstOperationTime || operationTime < firstOperationTime) {
      firstOperationTime = operationTime;
    }
    if (!lastOperationTime || operationTime > lastOperationTime) {
      lastOperationTime = operationTime;
    }
    
    // 处理带有sessionDuration的app_hide事件
    if (action === 'app_hide' && op.originalData.sessionDuration) {
      const durationInSeconds = op.originalData.sessionDuration / 1000;
      totalDuration += durationInSeconds;
    }
    
    // 处理app_show/app_hide事件状态
    if (action === 'app_show') {
      currentSessionStart = operationTime;
      lastAction = 'app_show';
    } else if (action === 'app_hide') {
      currentSessionStart = null;
      lastAction = 'app_hide';
    } else if (action) {
      lastAction = action;
    }
  }
  
  // 处理未结束的app_show事件
  if (currentSessionStart && lastAction === 'app_show') {
    const now = new Date();
    const maxDurationInSeconds = 5 * 60; // 限制为5分钟
    const durationInSeconds = Math.min(maxDurationInSeconds, (now - currentSessionStart) / 1000);
    totalDuration += durationInSeconds;
  }
  
  // 兜底逻辑 - 改进：根据操作次数动态调整基础活跃时长
  if (totalDuration === 0 && firstOperationTime && lastOperationTime) {
    const timeDiffSeconds = (lastOperationTime - firstOperationTime) / 1000;
    const operationCount = parsedOperations.length;
    
    // 根据操作次数计算基础活跃时长
    let baseDuration = 30; // 默认30秒
    if (operationCount > 50) {
      baseDuration = 300; // 5分钟
    } else if (operationCount > 20) {
      baseDuration = 180; // 3分钟
    } else if (operationCount > 10) {
      baseDuration = 120; // 2分钟
    }
    
    const maxDurationInSeconds = 5 * 60;
    const durationInSeconds = Math.min(maxDurationInSeconds, Math.max(baseDuration, timeDiffSeconds));
    totalDuration = durationInSeconds;
  }
  
  // 兜底：如果所有逻辑都没计算出时长，返回基础值
  if (totalDuration === 0) {
    totalDuration = 60; // 默认1分钟
  }
  
  // 限制最大活跃时长
  const maxUserDurationInSeconds = 24 * 60 * 60;
  return Math.min(maxUserDurationInSeconds, totalDuration);
}

// 判断是否为商品浏览记录
function isProductView(originalData) {
  try {
    const data = typeof originalData === 'string' ? JSON.parse(originalData) : originalData || {};
    // 商品记录包含productId字段，且id以product_开头（支持视频商品）
    return data.productId && (data.id ? data.id.startsWith('product_') : true);
  } catch (e) {
    return false;
  }
}

// 判断是否为收藏操作记录
function isFavoriteAction(originalData) {
  try {
    const data = typeof originalData === 'string' ? JSON.parse(originalData) : originalData || {};
    // 收藏操作包含action字段，且值为add_favorite
    return data.action === 'add_favorite';
  } catch (e) {
    return false;
  }
}

// 获取客户活跃统计概览
app.get('/api/active-stats', (req, res) => {
  try {
    // 获取时间范围参数
    const { startDate, endDate } = req.query;
    
    console.log(`[${new Date().toISOString()}] API /api/active-stats 被调用，接收参数: startDate=${startDate}, endDate=${endDate}`);
    
    // 计算默认日期范围（最近7天）
    const now = new Date();
    const defaultEnd = now.toISOString().split('T')[0];
    const sevenDaysAgo = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
    const defaultStart = sevenDaysAgo.toISOString().split('T')[0];
    
    // 使用提供的时间范围或默认值
    const start = startDate || defaultStart;
    const end = endDate || defaultEnd;
    
    console.log(`[${new Date().toISOString()}] API /api/active-stats 使用时间范围: start=${start}, end=${end}`);
    
    // 使用user_active_logs表查询活跃统计
    const totalActiveSql = `
      SELECT COUNT(DISTINCT ual.user_id) as totalActive 
      FROM user_active_logs ual
      JOIN users u ON ual.user_id = u.userId
      WHERE ual.active_date BETWEEN ? AND ?
      AND u.phoneNumber IS NOT NULL AND u.phoneNumber != ''
      AND u.created_at IS NOT NULL
      AND u.type != 'Colleague'
    `;
    
    // 查询时间范围内的活跃客户数
    const weekActiveSql = `
      SELECT COUNT(DISTINCT ual.user_id) as weekActive 
      FROM user_active_logs ual
      JOIN users u ON ual.user_id = u.userId
      WHERE ual.active_date BETWEEN ? AND ?
      AND u.phoneNumber IS NOT NULL AND u.phoneNumber != ''
      AND u.created_at IS NOT NULL
      AND u.type != 'Colleague'
    `;
    
    // 查询总活跃时长
    const totalDurationSql = `
      SELECT SUM(ual.active_duration) as totalDuration 
      FROM user_active_logs ual
      JOIN users u ON ual.user_id = u.userId
      WHERE ual.active_date BETWEEN ? AND ?
      AND u.phoneNumber IS NOT NULL AND u.phoneNumber != ''
      AND u.created_at IS NOT NULL
      AND u.type != 'Colleague'
    `;
    
    // 并行执行查询
    Promise.all([
      new Promise((resolve, reject) => {
        wechatPool.query(totalActiveSql, [start, end], (err, results) => {
          if (err) reject(err);
          else resolve(results[0].totalActive || 0);
        });
      }),
      new Promise((resolve, reject) => {
        wechatPool.query(weekActiveSql, [start, end], (err, results) => {
          if (err) reject(err);
          else resolve(results[0].weekActive || 0);
        });
      }),
      new Promise((resolve, reject) => {
        wechatPool.query(totalDurationSql, [start, end], (err, results) => {
          if (err) reject(err);
          else resolve(results[0].totalDuration || 0);
        });
      })
    ])
    .then(([totalActive, weekActive, totalDuration]) => {
      // 将总活跃时长从秒转换为小时
      const totalDurationHours = parseFloat(totalDuration) / 3600;
      
      console.log(`[${new Date().toISOString()}] API /api/active-stats 计算结果: totalActive=${totalActive}, weekActive=${weekActive}, totalDurationSeconds=${totalDuration}, totalDurationHours=${totalDurationHours}`);
      
      res.json({
        success: true,
        data: {
          totalActive: totalActive,
          weekActive: weekActive,
          totalDuration: totalDurationHours,
          dateRange: {
            start: start,
            end: end
          }
        }
      });
    })
    .catch(error => {
      console.error('获取活跃统计数据失败:', error);
      res.json({ success: false, message: '获取活跃统计数据失败' });
    });
  } catch (error) {
    console.error('获取活跃统计数据失败:', error);
    res.json({ success: false, message: '获取活跃统计数据失败' });
  }
});

// 获取单个客户的活跃详情
app.get('/api/active-stats/:userId', (req, res) => {
  try {
    const { userId } = req.params;
    const { startDate, endDate } = req.query;
    
    console.log(`[${new Date().toISOString()}] API /api/active-stats/${userId} 被调用，接收参数: userId=${userId}, startDate=${startDate}, endDate=${endDate}`);
    
    // 计算默认日期范围（最近7天）
    const now = new Date();
    const defaultEndStr = now.toISOString().slice(0, 19).replace('T', ' ');
    const sevenDaysAgo = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
    const defaultStartStr = sevenDaysAgo.toISOString().slice(0, 19).replace('T', ' ');
    
    // 使用提供的时间范围或默认值
    const startDateStr = startDate ? `${startDate} 00:00:00` : defaultStartStr;
    const endDateStr = endDate ? `${endDate} 23:59:59` : defaultEndStr;
    
    console.log(`[${new Date().toISOString()}] API /api/active-stats/${userId} 使用时间范围: startDateStr=${startDateStr}, endDateStr=${endDateStr}`);
    
    // 查询客户基本信息
    const clientInfoSql = `
      SELECT phoneNumber, created_at as registerTime 
      FROM users 
      WHERE userId = ?
    `;
    
    // 查询客户最后上线时间（使用新表）
    const lastOnlineSql = 'SELECT MAX(last_active_time) as lastOnline FROM user_active_logs WHERE user_id = ?';
    
    // 查询客户最后浏览的商品（使用新表）
    const lastViewedProductSql = `
      SELECT product_id 
      FROM user_product_views 
      WHERE user_id = ? 
      ORDER BY last_view_time DESC 
      LIMIT 1
    `;
    
    // 查询客户的多天活跃详情（使用新表）
    const dailyStatsSql = `
      SELECT 
        active_date,
        active_duration,
        operation_count,
        product_view_count,
        favorite_count,
        last_active_time
      FROM user_active_logs
      WHERE user_id = ? AND active_date BETWEEN DATE(?) AND DATE(?)
      ORDER BY active_date DESC
    `;
    
    // 执行查询
    wechatPool.query(clientInfoSql, [userId], (clientInfoErr, clientInfoResults) => {
      if (clientInfoErr) {
        console.error('查询客户基本信息失败:', clientInfoErr);
        return res.json({ success: false, message: '获取客户活跃详情失败' });
      }
      
      wechatPool.query(lastOnlineSql, [userId], (lastOnlineErr, lastOnlineResults) => {
        if (lastOnlineErr) {
          console.error('查询客户最后上线时间失败:', lastOnlineErr);
          return res.json({ success: false, message: '获取客户活跃详情失败' });
        }
        
        wechatPool.query(lastViewedProductSql, [userId], (lastViewedErr, lastViewedResults) => {
          if (lastViewedErr) {
            console.error('查询客户最后浏览商品失败:', lastViewedErr);
            return res.json({ success: false, message: '获取客户活跃详情失败' });
          }
          
          wechatPool.query(dailyStatsSql, [userId, startDateStr, endDateStr], (dailyStatsErr, dailyStatsResults) => {
            if (dailyStatsErr) {
              console.error('查询客户活跃详情失败:', dailyStatsErr);
              return res.json({ success: false, message: '获取客户活跃详情失败' });
            }
            
            // 计算总活跃时长
            let totalDuration = 0;
            const dailyStats = [];
            
            dailyStatsResults.forEach(stat => {
              totalDuration += stat.active_duration || 0;
              
              dailyStats.push({
                date: stat.active_date,
                operationCount: stat.operation_count || 0,
                duration: stat.active_duration || 0,
                productCount: stat.product_view_count || 0,
                favoriteCount: stat.favorite_count || 0
              });
            });
            
            // 处理最后浏览的商品
            let lastViewedProduct = null;
            if (lastViewedResults.length > 0 && lastViewedResults[0].product_id) {
              const productId = lastViewedResults[0].product_id;
              
              // 查询完整商品信息
              const productInfoSql = `
                SELECT 
                  p.productId,
                  p.productName,
                  p.product_contact,
                  p.contact_phone,
                  p.quantity,
                  p.price,
                  p.specification,
                  p.category,
                  p.sellerId,
                  u.nickName as creatorNickName,
                  u.phoneNumber as creatorPhone,
                  p.created_at as createdAt
                FROM products p
                LEFT JOIN users u ON p.sellerId = u.userId
                WHERE p.productId = ?
              `;
              
              wechatPool.query(productInfoSql, [productId], (productInfoErr, productInfoResults) => {
                if (productInfoErr) {
                  console.error('查询商品详情失败:', productInfoErr);
                  lastViewedProduct = { productId: productId };
                } else {
                  lastViewedProduct = productInfoResults.length > 0 ? {
                    productId: productInfoResults[0].productId,
                    productName: productInfoResults[0].productName,
                    productContact: productInfoResults[0].product_contact,
                    contactPhone: productInfoResults[0].contact_phone,
                    quantity: productInfoResults[0].quantity,
                    price: productInfoResults[0].price,
                    specification: productInfoResults[0].specification,
                    category: productInfoResults[0].category,
                    creatorNickName: productInfoResults[0].creatorNickName,
                    creatorPhone: productInfoResults[0].creatorPhone,
                    createdAt: productInfoResults[0].createdAt
                  } : { productId: productId };
                }
                
                res.json({
                  success: true,
                  data: {
                    userId: userId,
                    phoneNumber: clientInfoResults.length > 0 ? clientInfoResults[0].phoneNumber : null,
                    registerTime: clientInfoResults.length > 0 ? clientInfoResults[0].registerTime : null,
                    totalDuration: totalDuration,
                    lastOnline: lastOnlineResults[0].lastOnline,
                    lastViewedProduct: lastViewedProduct,
                    dailyStats: dailyStats,
                    dateRange: {
                      start: startDateStr,
                      end: endDateStr
                    }
                  }
                });
              });
              return;
            }
            
            res.json({
              success: true,
              data: {
                userId: userId,
                phoneNumber: clientInfoResults.length > 0 ? clientInfoResults[0].phoneNumber : null,
                registerTime: clientInfoResults.length > 0 ? clientInfoResults[0].registerTime : null,
                totalDuration: totalDuration,
                lastOnline: lastOnlineResults[0].lastOnline,
                lastViewedProduct: lastViewedProduct,
                dailyStats: dailyStats,
                dateRange: {
                  start: startDateStr,
                  end: endDateStr
                }
              }
            });
          });
        });
      });
    });
  } catch (error) {
    console.error('获取客户活跃详情失败:', error);
    res.json({ success: false, message: '获取客户活跃详情失败' });
  }
});

// 获取货源管理商品列表
app.get('/api/supply-management', (req, res) => {
  try {
    console.log(`[${new Date().toISOString()}] API /api/supply-management 被调用`);
    console.log(`[${new Date().toISOString()}] 请求参数:`, req.query);
    const page = parseInt(req.query.page) || 1;
    const pageSize = parseInt(req.query.pageSize) || 10;
    const search = req.query.search || '';
    const getAll = req.query.getAll === 'true';
    const offset = (page - 1) * pageSize;
    
    // 构建搜索条件
    let whereClause = '';
    let params = [];
    
    if (search) {
      whereClause = 'WHERE (p.productName LIKE ? OR p.specification LIKE ? OR p.region LIKE ? OR p.sellerId IN (SELECT userId FROM users u WHERE u.nickName LIKE ? OR u.phoneNumber LIKE ?))';
      params = [`%${search}%`, `%${search}%`, `%${search}%`, `%${search}%`, `%${search}%`];
    }
    
    // 查询商品总数
    const countSql = `SELECT COUNT(*) as total FROM products p ${whereClause}`;
    
    // 查询商品列表
    let productsSql;
    if (getAll) {
      // 获取所有数据
      productsSql = `
        SELECT 
          p.* 
        FROM products p 
        ${whereClause}
        ORDER BY p.created_at DESC 
      `;
    } else {
      // 分页查询
      productsSql = `
        SELECT 
          p.* 
        FROM products p 
        ${whereClause}
        ORDER BY p.created_at DESC 
        LIMIT ? OFFSET ?
      `;
    }
    
    // 执行查询
    console.log(`[${new Date().toISOString()}] 执行总数查询:`, countSql);
    console.log(`[${new Date().toISOString()}] 查询参数:`, params);
    wechatPool.query(countSql, params, (countErr, countResults) => {
      if (countErr) {
        console.error('查询商品总数失败:', countErr);
        return res.json({ success: false, message: '获取商品列表失败，请稍后重试' });
      }
      
      const total = countResults[0].total;
      console.log(`[${new Date().toISOString()}] 商品总数:`, total);
      
      // 根据getAll参数使用不同的查询参数
      const queryParams = getAll ? params : [...params, pageSize, offset];
      console.log(`[${new Date().toISOString()}] 执行商品列表查询:`, productsSql);
      console.log(`[${new Date().toISOString()}] 查询参数:`, queryParams);
      
      wechatPool.query(productsSql, queryParams, (productsErr, productsResults) => {
        if (productsErr) {
          console.error('查询商品列表失败:', productsErr);
          return res.json({ success: false, message: '获取商品列表失败，请稍后重试' });
        }
        
        console.log(`[${new Date().toISOString()}] 查询到商品数量:`, productsResults.length);
        
        // 批量处理商品数据
        const processProductsBatch = async (products) => {
          // 提取所有唯一的联系电话
          const phoneNumbers = new Set();
          products.forEach(product => {
            if (product.contact_phone) {
              phoneNumbers.add(product.contact_phone);
            }
          });
          
          // 提取所有唯一的sellerId
          const sellerIds = new Set();
          products.forEach(product => {
            if (product.sellerId) {
              sellerIds.add(product.sellerId);
            }
          });
          
          // 批量查询联系人信息
          const contactsMap = new Map();
          if (phoneNumbers.size > 0) {
            try {
              // 先从缓存中获取
              let uncachedPhones = [];
              phoneNumbers.forEach(phone => {
                if (personnelCache.has(phone)) {
                  contactsMap.set(phone, personnelCache.get(phone));
                } else {
                  uncachedPhones.push(phone);
                }
              });
              
              // 批量查询未缓存的电话号码
              if (uncachedPhones.length > 0) {
                const contactsSql = 'SELECT name, phoneNumber FROM personnel WHERE phoneNumber IN (?)';
                const contactResults = await new Promise((resolve, reject) => {
                  getDbPool('read').query(contactsSql, [uncachedPhones], (err, results) => {
                    if (err) reject(err);
                    else resolve(results);
                  });
                });
                
                contactResults.forEach(item => {
                  contactsMap.set(item.phoneNumber, item.name);
                  // 更新缓存
                  personnelCache.set(item.phoneNumber, item.name);
                });
              }
            } catch (err) {
              console.error('批量查询联系人失败:', err);
            }
          }
          
          // 批量查询创建人信息（从users表中查询）
          const creatorsMap = new Map();
          if (sellerIds.size > 0) {
            try {
              const creatorsSql = 'SELECT userId, nickName, phoneNumber FROM users WHERE userId IN (?)';
              const creatorResults = await new Promise((resolve, reject) => {
                wechatPool.query(creatorsSql, [Array.from(sellerIds)], (err, results) => {
                  if (err) reject(err);
                  else resolve(results);
                });
              });
              
              creatorResults.forEach(item => {
                creatorsMap.set(item.userId, item.nickName || item.phoneNumber || '暂无');
              });
            } catch (err) {
              console.error('批量查询创建人失败:', err);
            }
          }
          
          // 批量查询商品浏览次数
          const viewCountsMap = new Map();
          const productIds = products.map(product => product.productId).filter(Boolean);
          
          if (productIds.length > 0) {
            try {
              const viewsSql = 'SELECT product_id, COUNT(DISTINCT user_id) as unique_users FROM user_product_views WHERE product_id IN (?) GROUP BY product_id';
              const viewResults = await new Promise((resolve, reject) => {
                // 使用wechatPool连接池，因为user_product_views表在wechat_app数据库中
                wechatPool.query(viewsSql, [productIds], (err, results) => {
                  if (err) reject(err);
                  else resolve(results);
                });
              });
              
              viewResults.forEach(item => {
                viewCountsMap.set(item.product_id, item.unique_users || 0);
              });
            } catch (err) {
              console.error('批量查询浏览次数失败:', err);
            }
          }
          
          // 处理商品数据
          const processedProducts = products.map(product => {
            // 从缓存或批量查询结果中获取联系人
            let contactPerson = '暂无';
            if (product.contact_phone) {
              if (personnelCache.has(product.contact_phone)) {
                contactPerson = personnelCache.get(product.contact_phone);
              } else if (contactsMap.has(product.contact_phone)) {
                contactPerson = contactsMap.get(product.contact_phone);
              }
            }
            
            // 创建人信息 (使用sellerId从users表中查询)
            let creator = '暂无';
            if (product.sellerId) {
              if (creatorsMap.has(product.sellerId)) {
                creator = creatorsMap.get(product.sellerId);
              }
            }
            
            // 浏览次数 (从批量查询结果中获取)
            let viewCount = viewCountsMap.get(product.productId) || 0;
            
            return {
              ...product,
              contactPerson,
              creator,
              viewCount
            };
          });
          
          return processedProducts;
        };
        
        processProductsBatch(productsResults)
          .then(processedProducts => {
            res.json({ 
              success: true, 
              products: processedProducts, 
              total 
            });
          })
          .catch(error => {
            console.error('处理商品数据失败:', error);
            res.json({ success: false, message: '处理商品数据失败，请稍后重试' });
          });
      });
    });
  } catch (error) {
    console.error('获取商品列表失败:', error);
    res.json({ success: false, message: '获取商品列表失败，请稍后重试' });
  }
});

// 获取货源浏览详细信息
app.get('/api/supply-management/view-details/:productId', (req, res) => {
  try {
    const productId = req.params.productId;
    
    console.log(`[${new Date().toISOString()}] API /api/supply-management/view-details/${productId} 被调用`);
    
    // 使用user_product_views表查询商品浏览记录，按用户ID分组，只返回每个用户的最新记录
    const viewSql = `
      SELECT 
        upv.user_id as userId, 
        u.phoneNumber, 
        upv.last_view_time as viewTime
      FROM user_product_views upv
      LEFT JOIN users u ON upv.user_id = u.userId
      WHERE upv.product_id = ?
      AND upv.user_id IS NOT NULL
      AND upv.user_id != ''
      GROUP BY upv.user_id, u.phoneNumber
      ORDER BY upv.last_view_time DESC
    `;
    
    wechatPool.query(viewSql, [productId], (viewErr, viewResults) => {
      if (viewErr) {
        console.error('查询浏览记录失败:', viewErr);
        return res.json({ success: false, message: '获取浏览详细信息失败，请稍后重试' });
      }
      
      console.log(`查询到 ${viewResults.length} 条浏览记录`);
      
      // 处理每条浏览记录
      const processViews = async (views) => {
        const processedViews = [];
        const validUserIds = new Set(); // 用于进一步去重，确保只处理有效的用户ID
        
        for (const view of views) {
          // 跳过无效记录
          if (!view.userId || view.userId === '') {
            console.log('跳过无效的浏览记录（缺少userId）');
            continue;
          }
          
          // 跳过重复的用户ID
          if (validUserIds.has(view.userId)) {
            console.log(`跳过重复的浏览记录（userId: ${view.userId}）`);
            continue;
          }
          
          // 标记该用户ID为已处理
          validUserIds.add(view.userId);
          
          // 获取首次分配人和当前处理人
          let firstAssignee = '暂无';
          let currentHandler = '暂无';
          
          try {
            // 先查询customer_apply表
            const applySql = 'SELECT sales_name, original_manager_name FROM customer_apply WHERE user_id = ?';
            const applyResults = await new Promise((resolve, reject) => {
              wechatPool.query(applySql, [view.userId], (err, results) => {
                if (err) reject(err);
                else resolve(results);
              });
            });
            
            if (applyResults.length > 0) {
              firstAssignee = applyResults[0].original_manager_name || applyResults[0].sales_name || '暂无';
              currentHandler = applyResults[0].sales_name || '暂无';
            } else {
              // 如果customer_apply表没有记录，查询usermanagements表
              const userMgmtSql = 'SELECT userName FROM usermanagements WHERE userId = ?';
              const userMgmtResults = await new Promise((resolve, reject) => {
                wechatPool.query(userMgmtSql, [view.userId], (err, results) => {
                  if (err) reject(err);
                  else resolve(results);
                });
              });
              
              if (userMgmtResults.length > 0) {
                firstAssignee = userMgmtResults[0].userName;
                currentHandler = userMgmtResults[0].userName;
              }
            }
          } catch (err) {
            console.error('查询分配信息失败:', err);
          }
          
          // 获取跟进内容
          let followContent = '暂无';
          try {
            const userSql = 'SELECT followup FROM users WHERE userId = ?';
            const userResults = await new Promise((resolve, reject) => {
              wechatPool.query(userSql, [view.userId], (err, results) => {
                if (err) reject(err);
                else resolve(results);
              });
            });
            
            if (userResults.length > 0 && userResults[0].followup) {
              followContent = userResults[0].followup;
            }
          } catch (err) {
            console.error('查询跟进内容失败:', err);
          }
          
          processedViews.push({
            userId: view.userId,
            phoneNumber: view.phoneNumber || (view.userId ? '未知' : '暂无'),
            viewTime: view.viewTime,
            firstAssignee,
            currentHandler,
            followContent
          });
        }
        
        // 最后再按时间倒序排序一次，确保顺序正确
        processedViews.sort((a, b) => new Date(b.viewTime) - new Date(a.viewTime));
        
        return processedViews;
      };
      
      processViews(viewResults)
        .then(processedViews => {
          console.log(`处理完成 ${processedViews.length} 条浏览记录`);
          res.json({ 
            success: true, 
            views: processedViews 
          });
        })
        .catch(error => {
          console.error('处理浏览记录失败:', error);
          res.json({ success: false, message: '处理浏览记录失败，请稍后重试' });
        });
    });
  } catch (error) {
    console.error('获取浏览详细信息失败:', error);
    res.json({ success: false, message: '获取浏览详细信息失败，请稍后重试' });
  }
});

// 获取供应商列表
app.get('/api/suppliers', (req, res) => {
  try {
    const { search, page = 1, pageSize = 10 } = req.query;
    const pageNum = parseInt(page, 10);
    const pageSizeNum = parseInt(pageSize, 10);
    const offset = (pageNum - 1) * pageSizeNum;
    
    let sql = `SELECT 
      userId, phoneNumber, collaborationid, company, province, city, district, 
      detailedaddress, cooperation, businesslicenseurl, proofurl, brandurl, 
      partnerstatus, created_at, newtime, liaison, seller_followup
      FROM users 
      WHERE collaborationid != '' `;
    
    let countSql = `SELECT COUNT(*) as total FROM users WHERE collaborationid != '' `;
    
    let params = [];
    let countParams = [];
    
    if (search) {
      sql += `AND (phoneNumber LIKE ? OR liaison LIKE ? OR company LIKE ?) `;
      countSql += `AND (phoneNumber LIKE ? OR liaison LIKE ? OR company LIKE ?) `;
      params = [`%${search}%`, `%${search}%`, `%${search}%`];
      countParams = [`%${search}%`, `%${search}%`, `%${search}%`];
    }
    
    sql += `ORDER BY COALESCE(newtime, created_at) DESC LIMIT ? OFFSET ?`;
    params.push(pageSizeNum, offset);
    
    // 先查询总数
    wechatPool.query(countSql, countParams, (countErr, countResults) => {
      if (countErr) {
        console.error('查询供应商总数失败:', countErr);
        return res.json({ success: false, message: '获取供应商列表失败' });
      }
      
      const totalCount = countResults[0].total;
      
      // 再查询分页数据
      wechatPool.query(sql, params, (err, results) => {
        if (err) {
          console.error('查询供应商列表失败:', err);
          return res.json({ success: false, message: '获取供应商列表失败' });
        }
        
        res.json({ success: true, suppliers: results, totalCount });
      });
    });
  } catch (error) {
    console.error('获取供应商列表失败:', error);
    res.json({ success: false, message: '获取供应商列表失败' });
  }
});

// 获取对接人列表（从userlogin数据库的personnel表）
app.get('/api/liaisons', (req, res) => {
  try {
    // 只查询职位名称为采购员的数据，并且添加去重
    const sql = 'SELECT DISTINCT name, phoneNumber FROM personnel WHERE projectName = ?';
    
    getDbPool('read').query(sql, ['采购员'], (err, results) => {
      if (err) {
        console.error('查询对接人列表失败:', err);
        return res.json({ success: false, message: '获取对接人列表失败' });
      }
      
      // 进一步在代码层面去重，确保数据唯一
      const uniqueLiaisons = [];
      const seen = new Set();
      
      results.forEach(person => {
        // 跳过空数据
        if (!person.name || !person.phoneNumber) return;
        
        // 使用姓名+电话作为唯一标识
        const key = `${person.name}-${person.phoneNumber}`;
        if (!seen.has(key)) {
          seen.add(key);
          uniqueLiaisons.push({
            value: key,
            name: person.name,
            phoneNumber: person.phoneNumber
          });
        }
      });
      
      res.json({ success: true, liaisons: uniqueLiaisons });
    });
  } catch (error) {
    console.error('获取对接人列表失败:', error);
    res.json({ success: false, message: '获取对接人列表失败' });
  }
});

// 获取客户活跃详情列表（用于虚拟滚动）
app.get('/api/active-stats/details', (req, res) => {
  try {
    // 获取分页参数
    const page = parseInt(req.query.page) || 1;
    const pageSize = parseInt(req.query.pageSize) || 10;
    const offset = (page - 1) * pageSize;
    
    // 获取时间范围参数
    const { startDate, endDate } = req.query;
    
    console.log(`[${new Date().toISOString()}] API /api/active-stats/details 被调用，接收参数: startDate=${startDate}, endDate=${endDate}, page=${page}, pageSize=${pageSize}`);
    
    // 计算默认日期范围（最近7天）
    const now = new Date();
    const defaultEnd = now.toISOString().split('T')[0];
    const sevenDaysAgo = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
    const defaultStart = sevenDaysAgo.toISOString().split('T')[0];
    
    // 使用提供的时间范围或默认值
    const start = startDate || defaultStart;
    const end = endDate || defaultEnd;
    
    console.log(`[${new Date().toISOString()}] API /api/active-stats/details 使用时间范围: start=${start}, end=${end}`);
    
    // 使用user_active_logs表查询活跃详情
    const userActiveDetailsSql = `
      SELECT 
        ual.user_id as userId,
        u.phoneNumber,
        u.created_at as registerTime,
        MAX(ual.last_active_time) as lastActiveTime,
        SUM(ual.active_duration) as totalDuration
      FROM user_active_logs ual
      LEFT JOIN users u ON ual.user_id = u.userId
      WHERE ual.active_date BETWEEN ? AND ?
      AND u.phoneNumber IS NOT NULL AND u.phoneNumber != ''
      AND u.created_at IS NOT NULL
      AND u.type != 'Colleague'
      GROUP BY ual.user_id, u.phoneNumber, u.created_at
      ORDER BY lastActiveTime DESC
      LIMIT ? OFFSET ?
    `;
    
    // 查询总数
    const countSql = `
      SELECT COUNT(DISTINCT ual.user_id) as total
      FROM user_active_logs ual
      LEFT JOIN users u ON ual.user_id = u.userId
      WHERE ual.active_date BETWEEN ? AND ?
      AND u.phoneNumber IS NOT NULL AND u.phoneNumber != ''
      AND u.created_at IS NOT NULL
      AND u.type != 'Colleague'
    `;
    
    // 并行执行查询
    Promise.all([
      new Promise((resolve, reject) => {
        wechatPool.query(countSql, [start, end], (err, results) => {
          if (err) reject(err);
          else resolve(results[0].total || 0);
        });
      }),
      new Promise((resolve, reject) => {
        wechatPool.query(userActiveDetailsSql, [start, end, pageSize, offset], (err, results) => {
          if (err) reject(err);
          else resolve(results);
        });
      })
    ])
    .then(([total, users]) => {
      // 处理结果
      const usersWithDuration = users.map(user => ({
        userId: user.userId,
        phoneNumber: user.phoneNumber,
        registerTime: user.registerTime,
        lastActiveTime: user.lastActiveTime,
        duration: parseFloat(user.totalDuration) / 3600 || 0, // 转换为小时
        lastViewedProduct: null,
        originalProductData: null
      }));
      
      // 为每个用户查询最后浏览的商品
      const userIds = usersWithDuration.map(user => user.userId);
      if (userIds.length > 0) {
        const lastViewedProductsSql = `
          SELECT 
            upv.user_id as userId,
            upv.product_id as productId,
            p.productName,
            p.product_contact,
            p.contact_phone,
            p.quantity,
            p.price,
            p.specification,
            p.category,
            p.created_at as createdAt,
            u.nickName as creatorNickName,
            u.phoneNumber as creatorPhone
          FROM user_product_views upv
          LEFT JOIN products p ON upv.product_id = p.productId
          LEFT JOIN users u ON p.sellerId = u.userId
          WHERE upv.user_id IN (${userIds.map(() => '?').join(',')})
          AND upv.active_date BETWEEN ? AND ?
          AND upv.last_view_time = (
            SELECT MAX(last_view_time) 
            FROM user_product_views 
            WHERE user_id = upv.user_id AND active_date BETWEEN ? AND ?
          )
        `;
        
        wechatPool.query(lastViewedProductsSql, [...userIds, start, end, start, end], (err, productResults) => {
          if (!err && productResults.length > 0) {
            // 将查询到的商品信息添加到用户数据中
            const productMap = {};
            productResults.forEach(product => {
              productMap[product.userId] = product;
            });
            
            usersWithDuration.forEach(user => {
              if (productMap[user.userId]) {
                const product = productMap[user.userId];
                user.lastViewedProduct = {
                  productId: product.productId,
                  productName: product.productName || '未知商品',
                  productContact: product.product_contact,
                  contactPhone: product.contact_phone,
                  quantity: product.quantity,
                  price: product.price,
                  specification: product.specification,
                  category: product.category,
                  createdAt: product.createdAt,
                  creatorNickName: product.creatorNickName,
                  creatorPhone: product.creatorPhone
                };
                user.originalProductData = product;
              }
            });
          }
          
          res.json({
            success: true,
            data: {
              users: usersWithDuration,
              total: total
            }
          });
        });
      } else {
        res.json({
          success: true,
          data: {
            users: usersWithDuration,
            total: total
          }
        });
      }
    })
    .catch(error => {
      console.error('获取客户活跃详情列表失败:', error);
      res.json({ success: false, message: '获取客户活跃详情列表失败' });
    });
  } catch (error) {
    console.error('获取客户活跃详情列表失败:', error);
    res.json({ success: false, message: '获取客户活跃详情列表失败' });
  }
});

// 分配供应商对接人
app.post('/api/assign-liaison', (req, res) => {
  try {
    console.log(`[${new Date().toISOString()}] API /api/assign-liaison 被调用，请求体:`, req.body);
    const { userId, liaison } = req.body;
    
    if (!userId || !liaison) {
      console.log(`[${new Date().toISOString()}] 分配对接人失败：参数不全，userId: ${userId}, liaison: ${liaison}`);
      return res.json({ success: false, message: '参数不全' });
    }
    
    const sql = 'UPDATE users SET liaison = ? WHERE userId = ?';
    
    wechatPool.query(sql, [liaison, userId], (err, results) => {
      if (err) {
        console.error(`[${new Date().toISOString()}] 分配对接人失败，SQL错误:`, err);
        console.error(`[${new Date().toISOString()}] SQL语句: ${sql}`);
        console.error(`[${new Date().toISOString()}] SQL参数:`, [liaison, userId]);
        return res.json({ success: false, message: '分配对接人失败' });
      }
      
      console.log(`[${new Date().toISOString()}] 分配对接人结果：`, results);
      
      if (results.affectedRows === 0) {
        console.log(`[${new Date().toISOString()}] 分配对接人失败：未找到匹配的用户，userId: ${userId}`);
        return res.json({ success: false, message: '未找到匹配的用户' });
      }
      
      res.json({ success: true, message: '分配对接人成功' });
    });
  } catch (error) {
    console.error(`[${new Date().toISOString()}] 分配对接人失败，捕获到异常:`, error);
    res.json({ success: false, message: '分配对接人失败' });
  }
});

// 获取多天的客户活跃统计
app.get('/api/daily-active-stats', (req, res) => {
  try {
    // 获取时间范围参数
    const { startDate, endDate } = req.query;
    
    console.log(`[${new Date().toISOString()}] API /api/daily-active-stats 被调用，接收参数: startDate=${startDate}, endDate=${endDate}`);
    
    // 计算默认日期范围（最近7天，减少数据量）
    const now = new Date();
    const defaultEnd = now.toISOString().split('T')[0];
    const sevenDaysAgo = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
    const defaultStart = sevenDaysAgo.toISOString().split('T')[0];
    
    // 使用提供的时间范围或默认值
    const start = startDate || defaultStart;
    const end = endDate || defaultEnd;
    
    // 生成缓存键
    const cacheKey = `daily-active-stats-${start}-${end}`;
    
    // 检查普通缓存
    if (normalCache.has(cacheKey)) {
      const cachedData = normalCache.get(cacheKey);
      console.log(`从普通缓存返回多天活跃统计数据: ${cacheKey}`);
      
      // 立即返回缓存数据
      res.json(cachedData);
      
      // 后台异步更新缓存
      console.log(`后台更新多天活跃统计数据缓存: ${cacheKey}`);
      // 这里可以添加后台更新缓存的逻辑
      
      return;
    }
    
    console.log(`[${new Date().toISOString()}] API /api/daily-active-stats 使用时间范围: start=${start}, end=${end}`);
    
    // 使用user_active_logs表查询每日活跃统计
    const dailyStatsSql = `
      SELECT 
        ual.active_date as date,
        COUNT(DISTINCT ual.user_id) as activeUsers,
        SUM(ual.operation_count) as totalOperations,
        SUM(ual.active_duration) as totalDuration
      FROM user_active_logs ual
      JOIN users u ON ual.user_id = u.userId
      WHERE ual.active_date BETWEEN ? AND ?
      AND u.phoneNumber IS NOT NULL AND u.phoneNumber != ''
      AND u.created_at IS NOT NULL
      AND u.type != 'Colleague'
      GROUP BY ual.active_date
      ORDER BY ual.active_date DESC
    `;
    
    // 执行查询
    wechatPool.query(dailyStatsSql, [start, end], (err, results) => {
      if (err) {
        console.error('查询每日活跃统计失败:', err);
        return res.json({ success: false, message: '获取多天活跃统计失败' });
      }
      
      // 处理结果
      const dailyStats = results.map(row => ({
        date: row.date,
        activeUsers: row.activeUsers,
        totalOperations: row.totalOperations,
        totalDuration: parseFloat(row.totalDuration) / 3600 // 转换为小时
      }));
      
      console.log(`[${new Date().toISOString()}] API /api/daily-active-stats 处理结果: 共 ${dailyStats.length} 天数据`);
      
      const result = {
        success: true,
        data: {
          dailyStats: dailyStats,
          dateRange: {
            start: start,
            end: end
          }
        },
        timestamp: Date.now()
      };
      
      // 存储到普通缓存
      normalCache.set(cacheKey, result);
      console.log(`多天活跃统计数据已存储到普通缓存: ${cacheKey}`);
      
      res.json(result);
    });
  } catch (error) {
    console.error('获取多天活跃统计失败:', error);
    res.json({ success: false, message: '获取多天活跃统计失败' });
  }
});

// 获取总客户的活跃时长统计
app.get('/api/total-active-duration', (req, res) => {
  try {
    // 获取时间范围参数和分页参数
    const { startDate, endDate, page, pageSize } = req.query;
    
    // 计算默认日期范围（最近7天，减少数据量）
    const now = new Date();
    const defaultEnd = now.toISOString().split('T')[0];
    const sevenDaysAgo = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
    const defaultStart = sevenDaysAgo.toISOString().split('T')[0];
    
    // 使用提供的时间范围或默认值
    const start = startDate || defaultStart;
    const end = endDate || defaultEnd;
    
    // 设置分页参数，默认为第1页，每页10条
    const currentPage = parseInt(page) || 1;
    const sizePerPage = parseInt(pageSize) || 10;
    const offset = (currentPage - 1) * sizePerPage;
    
    console.log(`[${new Date().toISOString()}] API /api/total-active-duration 被调用，接收参数: startDate=${startDate}, endDate=${endDate}, page=${page}, pageSize=${pageSize}`);
    console.log(`[${new Date().toISOString()}] API /api/total-active-duration 使用时间范围: start=${start}, end=${end}`);
    
    // 使用user_active_logs表查询活跃时长统计
    const userDurationSql = `
      SELECT 
        ual.user_id as userId,
        SUM(ual.active_duration) as totalDuration,
        COUNT(DISTINCT ual.active_date) as activeDays,
        MAX(ual.last_active_time) as lastActiveTime,
        u.phoneNumber,
        u.created_at as registerTime,
        u.updated_at as updateTime
      FROM user_active_logs ual
      JOIN users u ON ual.user_id = u.userId
      WHERE ual.active_date BETWEEN ? AND ?
      AND u.phoneNumber IS NOT NULL AND u.phoneNumber != ''
      AND u.created_at IS NOT NULL
      AND u.type != 'Colleague'
      GROUP BY ual.user_id, u.phoneNumber, u.created_at, u.updated_at
      ORDER BY totalDuration DESC, activeDays DESC, lastActiveTime DESC
      LIMIT ? OFFSET ?
    `;
    
    // 查询总数
    const countSql = `
      SELECT COUNT(DISTINCT ual.user_id) as total
      FROM user_active_logs ual
      JOIN users u ON ual.user_id = u.userId
      WHERE ual.active_date BETWEEN ? AND ?
      AND u.phoneNumber IS NOT NULL AND u.phoneNumber != ''
      AND u.created_at IS NOT NULL
      AND u.type != 'Colleague'
    `;
    
    // 并行执行查询
    Promise.all([
      new Promise((resolve, reject) => {
        wechatPool.query(countSql, [start, end], (err, results) => {
          if (err) reject(err);
          else resolve(results[0].total || 0);
        });
      }),
      new Promise((resolve, reject) => {
        wechatPool.query(userDurationSql, [start, end, sizePerPage, offset], (err, results) => {
          if (err) reject(err);
          else resolve(results);
        });
      })
    ])
    .then(([total, users]) => {
      // 计算总活跃时长（秒）
      const totalDurationSeconds = users.reduce((sum, user) => {
        // 确保user.totalDuration是有效的数字
        const duration = parseFloat(user.totalDuration) || 0;
        return sum + duration;
      }, 0);
      
      // 转换为小时
      const totalDurationHours = totalDurationSeconds / 3600;
      
      // 处理结果
      const topActiveUsers = users.map(user => ({
        userId: user.userId,
        phoneNumber: user.phoneNumber,
        registerTime: user.registerTime,
        updateTime: user.updateTime,
        duration: parseFloat(user.totalDuration) || 0, // 确保是有效的数字
        lastActiveTime: user.lastActiveTime,
        lastViewedProduct: null,
        originalProductData: null
      }));
      
      console.log(`[${new Date().toISOString()}] API /api/total-active-duration 计算结果: totalDurationSeconds=${totalDurationSeconds}, totalDurationHours=${totalDurationHours}, activeUsers=${total}`);
      
      // 为每个用户查询最后浏览的商品
      const userIds = topActiveUsers.map(user => user.userId);
      if (userIds.length > 0) {
        const lastViewedProductsSql = `
          SELECT 
            upv.user_id as userId,
            upv.product_id as productId,
            p.productName,
            p.product_contact,
            p.contact_phone,
            p.quantity,
            p.price,
            p.specification,
            p.category,
            p.created_at as createdAt,
            u.nickName as creatorNickName,
            u.phoneNumber as creatorPhone
          FROM user_product_views upv
          LEFT JOIN products p ON upv.product_id = p.productId
          LEFT JOIN users u ON p.sellerId = u.userId
          WHERE upv.user_id IN (${userIds.map(() => '?').join(',')})
          AND upv.active_date BETWEEN ? AND ?
          AND upv.last_view_time = (
            SELECT MAX(last_view_time) 
            FROM user_product_views 
            WHERE user_id = upv.user_id AND active_date BETWEEN ? AND ?
          )
        `;
        
        wechatPool.query(lastViewedProductsSql, [...userIds, start, end, start, end], (err, productResults) => {
          if (!err && productResults.length > 0) {
            // 将查询到的商品信息添加到用户数据中
            const productMap = {};
            productResults.forEach(product => {
              productMap[product.userId] = product;
            });
            
            topActiveUsers.forEach(user => {
              if (productMap[user.userId]) {
                const product = productMap[user.userId];
                user.lastViewedProduct = {
                  productId: product.productId,
                  productName: product.productName || '未知商品',
                  productContact: product.product_contact,
                  contactPhone: product.contact_phone,
                  quantity: product.quantity,
                  price: product.price,
                  specification: product.specification,
                  category: product.category,
                  createdAt: product.createdAt,
                  creatorNickName: product.creatorNickName,
                  creatorPhone: product.creatorPhone
                };
                user.originalProductData = product;
              }
            });
          }
          
          res.json({
            success: true,
            data: {
              totalDuration: totalDurationHours,
              activeUsers: total,
              topActiveUsers: topActiveUsers,
              dateRange: {
                start: start,
                end: end
              }
            }
          });
        });
      } else {
        res.json({
          success: true,
          data: {
            totalDuration: totalDurationHours,
            activeUsers: total,
            topActiveUsers: topActiveUsers,
            dateRange: {
              start: start,
              end: end
            }
          }
        });
      }
    })
    .catch(error => {
      console.error('获取总活跃时长统计失败:', error);
      res.json({ success: false, message: '获取总活跃时长统计失败' });
    });
  } catch (error) {
    console.error('获取总活跃时长统计失败:', error);
    res.json({ success: false, message: '获取总活跃时长统计失败' });
  }
});

// 旧的实现已被替换 - 使用user_active_logs表提高性能
// 以下是旧的实现，已被注释掉
/*
app.get('/api/total-active-duration', (req, res) => {
  try {
    // 获取时间范围参数和分页参数
    const { startDate, endDate, page, pageSize } = req.query;
    
    // 计算默认日期范围（最近7天，减少数据量）
    const now = new Date();
    const defaultEndStr = now.toISOString().slice(0, 19).replace('T', ' ');
    const sevenDaysAgo = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
    const defaultStartStr = sevenDaysAgo.toISOString().slice(0, 19).replace('T', ' ');
    
    // 使用提供的时间范围或默认值
    const startDateStr = startDate ? `${startDate} 00:00:00` : defaultStartStr;
    const endDateStr = endDate ? `${endDate} 23:59:59` : defaultEndStr;
    
    // 设置分页参数，默认为第1页，每页10条
    const currentPage = parseInt(page) || 1;
    const sizePerPage = parseInt(pageSize) || 10;
    
    // 优化：先获取活跃用户列表（限制1000个），减少数据量
    const activeUsersSql = `
      SELECT 
        ut.userId,
        MAX(ut.operationTime) as lastActiveTime,
        u.phoneNumber,
        u.created_at as registerTime,
        u.updated_at as updateTime
      FROM usertraces ut
      INNER JOIN users u ON ut.userId = u.userId
      WHERE ut.operationTime BETWEEN ? AND ?
      AND u.phoneNumber IS NOT NULL AND u.phoneNumber != ''
      AND u.created_at IS NOT NULL
      GROUP BY ut.userId, u.phoneNumber, u.created_at, u.updated_at
      ORDER BY lastActiveTime DESC
      LIMIT 1000
    `;
    
    // 执行查询
    wechatPool.query(activeUsersSql, [startDateStr, endDateStr], (operationsErr, operationsResults) => {
      if (operationsErr) {
        console.error('查询用户操作记录失败:', operationsErr);
        return res.json({ success: false, message: '获取总活跃时长统计失败' });
      }
      
      // 按用户和日期分组操作记录
      const userDailyOperations = {};
      const lastViewedProducts = {};
      const userLastActiveTime = {};
      
      operationsResults.forEach(op => {
        const { userId, lastActiveTime, phoneNumber, registerTime, updateTime } = op;
        // 处理无效的时间值
        let date = 'unknown';
        try {
          date = new Date(lastActiveTime).toISOString().split('T')[0];
        } catch (e) {
          console.error('无效的时间值:', lastActiveTime);
        }
        const key = `${userId}_${date}`;
        
        // 保存用户基本信息 - 确保保存最新的有效信息
        if (!userLastActiveTime[userId]) {
          userLastActiveTime[userId] = {
            phoneNumber,
            registerTime,
            updateTime,
            lastActiveTime: lastActiveTime,
            lastViewedProduct: null
          };
        } else {
          // 更新用户信息，确保保存最新的有效信息
          if (phoneNumber && phoneNumber !== null && phoneNumber !== '') {
            userLastActiveTime[userId].phoneNumber = phoneNumber;
          }
          if (registerTime && registerTime !== null) {
            userLastActiveTime[userId].registerTime = registerTime;
          }
          if (updateTime && updateTime !== null) {
            userLastActiveTime[userId].updateTime = updateTime;
          }
          if (lastActiveTime && lastActiveTime > userLastActiveTime[userId].lastActiveTime) {
            userLastActiveTime[userId].lastActiveTime = lastActiveTime;
          }
        }
        
        // 分组操作记录
        if (!userDailyOperations[key]) {
          userDailyOperations[key] = {
            userId,
            date,
            operations: []
          };
        }
        // 添加用户记录到operations数组
        userDailyOperations[key].operations.push(op);
      });
      
      // 提取活跃用户ID列表
      const activeUserIds = operationsResults.map(user => user.userId);
      
      // 查询这些活跃用户的详细操作记录，用于计算活跃时长
      const userOperationsSql = `
        SELECT ut.userId, ut.operationTime, ut.originalData 
        FROM usertraces ut
        WHERE ut.userId IN (${activeUserIds.map(() => '?').join(',')})
        AND ut.operationTime BETWEEN ? AND ?
        ORDER BY ut.userId, ut.operationTime
      `;
      
      wechatPool.query(userOperationsSql, [...activeUserIds, startDateStr, endDateStr], (opErr, detailedOperationsResults) => {
        if (opErr) {
          console.error('查询用户操作记录失败:', opErr);
          return res.json({ success: false, message: '获取总活跃时长统计失败' });
        }
        
        // 按用户和日期分组详细操作记录
        const detailedUserDailyOperations = {};
        
        detailedOperationsResults.forEach(op => {
          const { userId, operationTime, originalData } = op;
          
          // 处理无效的时间值
          if (!operationTime) {
            return; // 跳过没有时间值的操作记录
          }
          
          let date = 'unknown';
          try {
            date = new Date(operationTime).toISOString().split('T')[0];
          } catch (e) {
            console.error('无效的时间值:', operationTime);
            return; // 跳过无效的时间值
          }
          
          const key = `${userId}_${date}`;
          
          // 分组操作记录
          if (!detailedUserDailyOperations[key]) {
            detailedUserDailyOperations[key] = {
              userId,
              date,
              operations: []
            };
          }
          
          // 添加用户记录到operations数组
          detailedUserDailyOperations[key].operations.push(op);
          
          // 更新用户最后浏览商品（只保存真正的商品记录）
          try {
            if (originalData && originalData !== '' && isProductView(originalData)) {
              if (userLastActiveTime[userId]) {
                userLastActiveTime[userId].lastViewedProduct = originalData;
              }
            }
          } catch (e) {
            // 忽略无效的商品数据
          }
        });
        
        // 计算每个用户的总活跃时长
        const userTotalDuration = {};
        for (const key in detailedUserDailyOperations) {
          const { userId, operations } = detailedUserDailyOperations[key];
          const duration = calculateActiveDuration(operations);
          
          if (!userTotalDuration[userId]) {
            userTotalDuration[userId] = 0;
          }
          userTotalDuration[userId] += duration;
        }
        
        // 计算总统计
        let totalDuration = 0;
        for (const userId in userTotalDuration) {
          totalDuration += userTotalDuration[userId];
        }
        
        // 生成所有活跃客户的活跃时长排名，先不处理商品信息
        let allActiveUsers = Object.keys(userTotalDuration)
          .sort((a, b) => userTotalDuration[b] - userTotalDuration[a])
          .map(userId => {
            const userInfo = userLastActiveTime[userId];
            return {
              userId,
              phoneNumber: userInfo.phoneNumber,
              registerTime: userInfo.registerTime,
              updateTime: userInfo.updateTime,
              duration: userTotalDuration[userId],
              lastActiveTime: userInfo.lastActiveTime,
              lastViewedProduct: userInfo.lastViewedProduct,
              originalProductData: userInfo.lastViewedProduct // 保存原始数据用于后续处理
            };
          });
        
        // 过滤掉无效客户，只保留有电话号码和注册时间的客户
        allActiveUsers = allActiveUsers.filter(user => {
          return user.phoneNumber && user.phoneNumber !== null && user.phoneNumber !== '' && 
                 user.registerTime && user.registerTime !== null;
        });
        
        // 使用过滤后的客户数量作为活跃客户数
        const activeUsers = allActiveUsers.length;
        
        // 分页处理
        const startIndex = (currentPage - 1) * sizePerPage;
        const endIndex = startIndex + sizePerPage;
        let topActiveUsers = allActiveUsers.slice(startIndex, endIndex);
        
        // 提取所有商品ID，用于批量查询
        const productIds = [];
        topActiveUsers.forEach(user => {
          if (user.originalProductData) {
            try {
              const originalData = JSON.parse(user.originalProductData);
              const productId = originalData.productId || originalData.id;
              if (productId) {
                productIds.push(productId);
              }
            } catch (e) {
              console.error('解析原始商品数据失败:', e);
            }
          }
        });
        
        // 如果没有商品ID，直接返回
        if (productIds.length === 0) {
          return res.json({
              success: true,
              data: {
                totalDuration,
                activeUsers,
                topActiveUsers: topActiveUsers.map(user => ({
                  ...user,
                  lastViewedProduct: user.originalProductData
                })),
                dateRange: {
                  start: startDateStr,
                  end: endDateStr
                }
              }
            });
        }
        
        // 批量查询商品信息
        const productInfoSql = `
          SELECT 
            p.productId,
            p.product_contact,
            p.contact_phone,
            p.quantity,
            p.sellerId,
            u.nickName as creatorNickName,
            u.phoneNumber as creatorPhone,
            p.created_at as createdAt
          FROM products p
          LEFT JOIN users u ON p.sellerId = u.userId
          WHERE p.productId IN (${productIds.map(() => '?').join(',')})
        `;
        
        wechatPool.query(productInfoSql, productIds, (productInfoErr, productInfoResults) => {
          if (productInfoErr) {
            console.error('查询商品详情失败:', productInfoErr);
            // 如果查询失败，返回原始数据
            return res.json({
              success: true,
              data: {
                totalDuration,
                activeUsers,
                topActiveUsers: topActiveUsers.map(user => ({
                  ...user,
                  lastViewedProduct: user.originalProductData
                })),
                dateRange: {
                  start: startDateStr,
                  end: endDateStr
                }
              }
            });
          } else {
          
            // 构建商品信息映射
            const productInfoMap = {};
            productInfoResults.forEach(product => {
              productInfoMap[product.productId] = {
                productContact: product.product_contact || '',
                contactPhone: product.contact_phone || '',
                quantity: product.quantity || '',
                creatorNickName: product.creatorNickName || '',
                creatorPhone: product.creatorPhone || '',
                createdAt: product.createdAt || null
              };
            });
            
            // 更新topActiveUsers，添加完整商品信息
            const updatedTopActiveUsers = topActiveUsers.map(user => {
              try {
                if (user.originalProductData) {
                  const originalData = JSON.parse(user.originalProductData);
                  const productId = originalData.productId || originalData.id;
                  
                  if (productId && productInfoMap[productId]) {
                    // 合并商品信息
                    const updatedProductData = {
                      ...originalData,
                      ...productInfoMap[productId]
                    };
                    
                    return {
                      ...user,
                      lastViewedProduct: JSON.stringify(updatedProductData)
                    };
                  }
                }
              } catch (e) {
                console.error('处理商品数据失败:', e);
              }
              
              // 如果处理失败，返回原始数据
              return {
                ...user,
                lastViewedProduct: user.originalProductData
              };
            });
            
            res.json({
              success: true,
              data: {
                totalDuration,
                activeUsers,
                topActiveUsers: updatedTopActiveUsers,
                dateRange: {
                  start: startDateStr,
                  end: endDateStr
                }
              }
            });
          }
        });
      });
    });
  } catch (error) {
    console.error('获取总活跃时长统计失败:', error);
    res.json({ success: false, message: '获取总活跃时长统计失败' });
  }
});
*/

// 获取总客户的活跃时长统计
app.get('/api/total-active-duration', (req, res) => {
  try {
    // 获取时间范围参数和分页参数
    const { startDate, endDate, page, pageSize } = req.query;
    
    // 计算默认日期范围（最近7天，减少数据量）
    const now = new Date();
    const defaultEndStr = now.toISOString().slice(0, 19).replace('T', ' ');
    const sevenDaysAgo = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000);
    const defaultStartStr = sevenDaysAgo.toISOString().slice(0, 19).replace('T', ' ');
    
    // 使用提供的时间范围或默认值
    const startDateStr = startDate ? `${startDate} 00:00:00` : defaultStartStr;
    const endDateStr = endDate ? `${endDate} 23:59:59` : defaultEndStr;
    
    // 设置分页参数，默认为第1页，每页10条
    const currentPage = parseInt(page) || 1;
    const sizePerPage = parseInt(pageSize) || 10;
    
    // 优化：先获取活跃用户列表（限制1000个），减少数据量
    const activeUsersSql = `
      SELECT 
        ut.userId,
        MAX(ut.operationTime) as lastActiveTime,
        u.phoneNumber,
        u.created_at as registerTime,
        u.updated_at as updateTime
      FROM usertraces ut
      INNER JOIN users u ON ut.userId = u.userId
      WHERE ut.operationTime BETWEEN ? AND ?
      AND u.phoneNumber IS NOT NULL AND u.phoneNumber != ''
      AND u.created_at IS NOT NULL
      GROUP BY ut.userId, u.phoneNumber, u.created_at, u.updated_at
      ORDER BY lastActiveTime DESC
      LIMIT 1000
    `;
    
    // 执行查询
    wechatPool.query(activeUsersSql, [startDateStr, endDateStr], (operationsErr, operationsResults) => {
      if (operationsErr) {
        console.error('查询用户操作记录失败:', operationsErr);
        return res.json({ success: false, message: '获取总活跃时长统计失败' });
      }
      
      // 按用户和日期分组操作记录
      const userDailyOperations = {};
      const lastViewedProducts = {};
      const userLastActiveTime = {};
      
      operationsResults.forEach(op => {
        const { userId, lastActiveTime, phoneNumber, registerTime, updateTime } = op;
        // 处理无效的时间值
        let date = 'unknown';
        try {
          date = new Date(lastActiveTime).toISOString().split('T')[0];
        } catch (e) {
          console.error('无效的时间值:', lastActiveTime);
        }
        const key = `${userId}_${date}`;
        
        // 保存用户基本信息 - 确保保存最新的有效信息
        if (!userLastActiveTime[userId]) {
          userLastActiveTime[userId] = {
            phoneNumber,
            registerTime,
            updateTime,
            lastActiveTime: lastActiveTime,
            lastViewedProduct: null
          };
        } else {
          // 更新用户信息，确保保存最新的有效信息
          if (phoneNumber && phoneNumber !== null && phoneNumber !== '') {
            userLastActiveTime[userId].phoneNumber = phoneNumber;
          }
          if (registerTime && registerTime !== null) {
            userLastActiveTime[userId].registerTime = registerTime;
          }
          if (updateTime && updateTime !== null) {
            userLastActiveTime[userId].updateTime = updateTime;
          }
          if (lastActiveTime && lastActiveTime > userLastActiveTime[userId].lastActiveTime) {
            userLastActiveTime[userId].lastActiveTime = lastActiveTime;
          }
        }
        
        // 分组操作记录
        if (!userDailyOperations[key]) {
          userDailyOperations[key] = {
            userId,
            date,
            operations: []
          };
        }
        // 添加用户记录到operations数组
        userDailyOperations[key].operations.push(op);
      });
      
      // 提取活跃用户ID列表
      const activeUserIds = operationsResults.map(user => user.userId);
      
      // 查询这些活跃用户的详细操作记录，用于计算活跃时长
      const userOperationsSql = `
        SELECT ut.userId, ut.operationTime, ut.originalData 
        FROM usertraces ut
        WHERE ut.userId IN (${activeUserIds.map(() => '?').join(',')})
        AND ut.operationTime BETWEEN ? AND ?
        ORDER BY ut.userId, ut.operationTime
      `;
      
      wechatPool.query(userOperationsSql, [...activeUserIds, startDateStr, endDateStr], (opErr, detailedOperationsResults) => {
        if (opErr) {
          console.error('查询用户操作记录失败:', opErr);
          return res.json({ success: false, message: '获取总活跃时长统计失败' });
        }
        
        // 按用户和日期分组详细操作记录
        const detailedUserDailyOperations = {};
        
        detailedOperationsResults.forEach(op => {
          const { userId, operationTime, originalData } = op;
          
          // 处理无效的时间值
          if (!operationTime) {
            return; // 跳过没有时间值的操作记录
          }
          
          let date = 'unknown';
          try {
            date = new Date(operationTime).toISOString().split('T')[0];
          } catch (e) {
            console.error('无效的时间值:', operationTime);
            return; // 跳过无效的时间值
          }
          
          const key = `${userId}_${date}`;
          
          // 分组操作记录
          if (!detailedUserDailyOperations[key]) {
            detailedUserDailyOperations[key] = {
              userId,
              date,
              operations: []
            };
          }
          
          detailedUserDailyOperations[key].operations.push(op);
          
          // 更新用户最后浏览商品（只保存真正的商品记录）
          try {
            if (originalData && originalData !== '' && isProductView(originalData)) {
              if (userLastActiveTime[userId]) {
                userLastActiveTime[userId].lastViewedProduct = originalData;
              }
            }
          } catch (e) {
            // 忽略无效的商品数据
          }
        });
        
        // 计算每个用户的总活跃时长
        const userTotalDuration = {};
        for (const key in detailedUserDailyOperations) {
          const { userId, operations } = detailedUserDailyOperations[key];
          const duration = calculateActiveDuration(operations);
          
          if (!userTotalDuration[userId]) {
            userTotalDuration[userId] = 0;
          }
          userTotalDuration[userId] += duration;
        }
        
        // 计算总统计
        let totalDuration = 0;
        for (const userId in userTotalDuration) {
          totalDuration += userTotalDuration[userId];
        }
        
        // 生成所有活跃客户的活跃时长排名，先不处理商品信息
        let allActiveUsers = Object.keys(userTotalDuration)
          .sort((a, b) => userTotalDuration[b] - userTotalDuration[a])
          .map(userId => {
            const userInfo = userLastActiveTime[userId];
            return {
              userId,
              phoneNumber: userInfo.phoneNumber,
              registerTime: userInfo.registerTime,
              updateTime: userInfo.updateTime,
              duration: userTotalDuration[userId],
              lastActiveTime: userInfo.lastActiveTime,
              lastViewedProduct: userInfo.lastViewedProduct,
              originalProductData: userInfo.lastViewedProduct // 保存原始数据用于后续处理
            };
          });
        
        // 过滤掉无效客户，只保留有电话号码和注册时间的客户
        allActiveUsers = allActiveUsers.filter(user => {
          return user.phoneNumber && user.phoneNumber !== null && user.phoneNumber !== '' && 
                 user.registerTime && user.registerTime !== null;
        });
        
        // 使用过滤后的客户数量作为活跃客户数
        const activeUsers = allActiveUsers.length;
        
        // 分页处理
        const startIndex = (currentPage - 1) * sizePerPage;
        const endIndex = startIndex + sizePerPage;
        let topActiveUsers = allActiveUsers.slice(startIndex, endIndex);
        
        // 提取所有商品ID，用于批量查询
        const productIds = [];
        topActiveUsers.forEach(user => {
          if (user.originalProductData) {
            try {
              const originalData = JSON.parse(user.originalProductData);
              const productId = originalData.productId || originalData.id;
              if (productId) {
                productIds.push(productId);
              }
            } catch (e) {
              console.error('解析原始商品数据失败:', e);
            }
          }
        });
        
        // 如果没有商品ID，直接返回
        if (productIds.length === 0) {
          return res.json({
              success: true,
              data: {
                totalDuration,
                activeUsers,
                topActiveUsers: topActiveUsers.map(user => ({
                  ...user,
                  lastViewedProduct: user.originalProductData
                })),
                dateRange: {
                  start: startDateStr,
                  end: endDateStr
                }
              }
            });
        }
        
        // 批量查询商品信息
        const productInfoSql = `
          SELECT 
            p.productId,
            p.product_contact,
            p.contact_phone,
            p.quantity,
            p.sellerId,
            u.nickName as creatorNickName,
            u.phoneNumber as creatorPhone,
            p.created_at as createdAt
          FROM products p
          LEFT JOIN users u ON p.sellerId = u.userId
          WHERE p.productId IN (${productIds.map(() => '?').join(',')})
        `;
        
        wechatPool.query(productInfoSql, productIds, (productInfoErr, productInfoResults) => {
          if (productInfoErr) {
            console.error('查询商品详情失败:', productInfoErr);
            // 如果查询失败，返回原始数据
            return res.json({
              success: true,
              data: {
                totalDuration,
                activeUsers,
                topActiveUsers: topActiveUsers.map(user => ({
                  ...user,
                  lastViewedProduct: user.originalProductData
                })),
                dateRange: {
                  start: startDateStr,
                  end: endDateStr
                }
              }
            });
          } else {
          
            // 构建商品信息映射
            const productInfoMap = {};
            productInfoResults.forEach(product => {
              productInfoMap[product.productId] = {
                productContact: product.product_contact || '',
                contactPhone: product.contact_phone || '',
                quantity: product.quantity || '',
                creatorNickName: product.creatorNickName || '',
                creatorPhone: product.creatorPhone || '',
                createdAt: product.createdAt || null
              };
            });
            
            // 更新topActiveUsers，添加完整商品信息
            const updatedTopActiveUsers = topActiveUsers.map(user => {
              try {
                if (user.originalProductData) {
                  const originalData = JSON.parse(user.originalProductData);
                  const productId = originalData.productId || originalData.id;
                  
                  if (productId && productInfoMap[productId]) {
                    // 合并商品信息
                    const updatedProductData = {
                      ...originalData,
                      ...productInfoMap[productId]
                    };
                    
                    return {
                      ...user,
                      lastViewedProduct: JSON.stringify(updatedProductData)
                    };
                  }
                }
              } catch (e) {
                console.error('处理商品数据失败:', e);
              }
              
              // 如果处理失败，返回原始数据
              return {
                ...user,
                lastViewedProduct: user.originalProductData
              };
            });
            
            res.json({
              success: true,
              data: {
                totalDuration,
                activeUsers,
                topActiveUsers: updatedTopActiveUsers,
                dateRange: {
                  start: startDateStr,
                  end: endDateStr
                }
              }
            });
          }
        });
      });
    });
  } catch (error) {
    console.error('获取总活跃时长统计失败:', error);
    res.json({ success: false, message: '获取总活跃时长统计失败' });
  }
});

// 获取用户某一天的浏览商品记录
app.get('/api/user-day-products/:userId', (req, res) => {
  try {
    const { userId } = req.params;
    let { date } = req.query;
    
    console.log(`[${new Date().toISOString()}] API /api/user-day-products/${userId} 被调用，接收参数: userId=${userId}, date=${date}`);
    
    // 验证参数
    if (!date) {
      console.error(`[${new Date().toISOString()}] API /api/user-day-products/${userId} 缺少日期参数`);
      return res.json({ success: false, message: '缺少日期参数' });
    }
    
    // 确保日期格式为YYYY-MM-DD
    let formattedDate = date;
    try {
      // 检查是否已经是YYYY-MM-DD格式
      const dateRegex = /^\d{4}-\d{2}-\d{2}$/;
      if (dateRegex.test(date)) {
        // 已经是YYYY-MM-DD格式，直接使用
        formattedDate = date;
        console.log(`[${new Date().toISOString()}] API /api/user-day-products/${userId} 日期已是YYYY-MM-DD格式，直接使用: ${formattedDate}`);
      } else {
        // 尝试解析日期并格式化为YYYY-MM-DD
        console.log(`[${new Date().toISOString()}] API /api/user-day-products/${userId} 日期需要转换: 原始日期=${date}`);
        const dateObj = new Date(date);
        if (!isNaN(dateObj.getTime())) {
          formattedDate = dateObj.toISOString().split('T')[0];
          console.log(`[${new Date().toISOString()}] API /api/user-day-products/${userId} 日期转换成功: 转换后=${formattedDate}`);
        } else {
          console.error(`[${new Date().toISOString()}] API /api/user-day-products/${userId} 日期格式错误: ${date}`);
          return res.json({ success: false, message: '日期格式错误，请使用YYYY-MM-DD格式' });
        }
      }
    } catch (e) {
      console.error(`[${new Date().toISOString()}] API /api/user-day-products/${userId} 日期处理异常:`, e);
      return res.json({ success: false, message: '日期格式错误，请使用YYYY-MM-DD格式' });
    }
    
    // 构建查询SQL - 使用BETWEEN替代DATE()函数，避免时区问题
    const startDateStr = `${formattedDate} 00:00:00`;
    const endDateStr = `${formattedDate} 23:59:59`;
    
    // 查询所有记录，然后在应用层过滤出真正的商品记录
    const sql = `
      SELECT operationTime, originalData 
      FROM usertraces 
      WHERE userId = ? 
        AND operationTime BETWEEN ? AND ? 
      ORDER BY operationTime ASC
    `;
    
    console.log(`[${new Date().toISOString()}] API /api/user-day-products/${userId} 使用时间范围查询: startDateStr=${startDateStr}, endDateStr=${endDateStr}`);
    
    // 执行查询
    wechatPool.query(sql, [userId, startDateStr, endDateStr], (err, results) => {
      if (err) {
        console.error('获取用户浏览商品记录失败:', err);
        return res.json({ success: false, message: '获取浏览商品记录失败' });
      }
      
      // 解析并过滤出真正的商品记录和收藏操作记录
      const productRecords = [];
      const productIds = [];
      
      results.forEach(item => {
        if (item.originalData && item.originalData !== '') {
          try {
            const originalData = JSON.parse(item.originalData);
            // 同时包含商品浏览记录和收藏操作记录
            if (isProductView(item.originalData) || isFavoriteAction(item.originalData)) {
              const productId = originalData.productId || originalData.id;
              if (productId) {
                productIds.push(productId);
                productRecords.push({
                  ...item,
                  parsedData: originalData,
                  productId: productId
                });
              }
            }
          } catch (e) {
            console.error('解析商品数据失败:', e);
          }
        }
      });
      
      // 如果没有有效的商品记录，直接返回
      if (productRecords.length === 0) {
        return res.json({
          success: true,
          data: {
            products: []
          }
        });
      }
      
      // 去重productIds
      const uniqueProductIds = [...new Set(productIds)];
      
      // 如果没有有效的productId，直接返回
      if (uniqueProductIds.length === 0) {
        return res.json({
          success: true,
          data: {
            products: []
          }
        });
      }
      
      // 查询产品信息和创建人信息
      const productSql = `
        SELECT 
          p.productId,
          p.productName,
          p.price,
          p.category,
          p.specification,
          p.quantity,
          p.imageUrls,
          p.product_contact,
          p.contact_phone,
          p.sellerId,
          p.variety,
          p.created_at as productCreatedAt,
          u.nickName as creatorNickName,
          u.phoneNumber as creatorPhone
        FROM products p
        LEFT JOIN users u ON p.sellerId = u.userId
        WHERE p.productId IN (${uniqueProductIds.map(() => '?').join(',')})
      `;
      
      wechatPool.query(productSql, uniqueProductIds, (productErr, productResults) => {
        if (productErr) {
          console.error('查询产品信息失败:', productErr);
          // 如果查询失败，返回基础商品数据
          const finalResults = productRecords.map(item => ({
            operationTime: item.operationTime, // 作为createdAt
            originalData: item.originalData,
            parsedData: item.parsedData,
            productId: item.productId,
            createdAt: item.operationTime,
            quantity: '',
            productContact: '',
            contactPhone: '',
            creatorNickName: '',
            creatorPhone: ''
          }));
          
          return res.json({
            success: true,
            data: {
              products: finalResults
            }
          });
        }
        
        // 构建产品信息映射
        const productMap = {};
        productResults.forEach(product => {
          productMap[product.productId] = {
            productName: product.productName || '',
            price: product.price || '',
            category: product.category || '',
            specification: product.specification || '',
            quantity: product.quantity || '',
            imageUrls: product.imageUrls || '',
            productContact: product.product_contact || '',
            contactPhone: product.contact_phone || '',
            creatorNickName: product.creatorNickName || '',
            creatorPhone: product.creatorPhone || '',
            variety: product.variety || '',
            productCreatedAt: product.productCreatedAt || ''
          };
        });
        
        // 合并信息
        const finalResults = productRecords.map(item => {
          const productInfo = productMap[item.productId] || {
            productName: '',
            price: '',
            category: '',
            specification: '',
            quantity: '',
            imageUrls: '',
            productContact: '',
            contactPhone: '',
            creatorNickName: '',
            creatorPhone: '',
            variety: '',
            productCreatedAt: ''
          };
          
          return {
            operationTime: item.operationTime,
            originalData: item.originalData,
            parsedData: item.parsedData,
            productId: item.productId,
            createdAt: item.operationTime,
            productName: productInfo.productName,
            price: productInfo.price,
            category: productInfo.category,
            specification: productInfo.specification,
            quantity: productInfo.quantity,
            imageUrls: productInfo.imageUrls,
            productContact: productInfo.productContact,
            contactPhone: productInfo.contactPhone,
            creatorNickName: productInfo.creatorNickName,
            creatorPhone: productInfo.creatorPhone,
            variety: productInfo.variety,
            productCreatedAt: productInfo.productCreatedAt
          };
        });
        
        res.json({
          success: true,
          data: {
            products: finalResults
          }
        });
      });
    });
  } catch (error) {
    console.error('获取用户浏览商品记录失败:', error);
    res.json({ success: false, message: '获取浏览商品记录失败' });
  }
});

// 根据电话号码获取客户ID
app.get('/api/user-id-by-phone', (req, res) => {
  try {
    const { phone } = req.query;
    
    // 验证参数
    if (!phone) {
      return res.json({ success: false, message: '缺少电话号码参数' });
    }
    
    // 构建查询SQL
    const sql = `
      SELECT userId 
      FROM users 
      WHERE phoneNumber = ?
      LIMIT 1
    `;
    
    // 执行查询
    wechatPool.query(sql, [phone], (err, results) => {
      if (err) {
        console.error('根据电话号码获取客户ID失败:', err);
        return res.json({ success: false, message: '获取客户信息失败' });
      }
      
      if (results.length > 0) {
        res.json({
          success: true,
          data: {
            userId: results[0].userId
          }
        });
      } else {
        res.json({ success: false, message: '未找到该电话号码对应的客户' });
      }
    });
  } catch (error) {
    console.error('根据电话号码获取客户ID失败:', error);
    res.json({ success: false, message: '获取客户信息失败' });
  }
});

// 获取业务统计数据
app.get('/api/business-stats', (req, res) => {
  try {
    console.log('API接收到的业务统计请求，获取所有数据');
    
    // 查询业务员客户统计数据（排除type值为Colleague的客户）
    const agentStatsSql = `
      SELECT 
        CASE 
          WHEN um.userName IS NULL OR um.userName = '' THEN '公海池客户' 
          ELSE um.userName 
        END as agentName,
        COUNT(*) as totalClients,
        SUM(CASE WHEN u.followup IS NOT NULL AND u.followup != '' THEN 1 ELSE 0 END) as followedClients,
        SUM(CASE WHEN u.followup IS NULL OR u.followup = '' THEN 1 ELSE 0 END) as notFollowedClients,
        COUNT(DISTINCT u.company) as companyCount,
        COUNT(DISTINCT u.level) as levelCount,
        COUNT(DISTINCT u.demand) as demandCount,
        COUNT(DISTINCT u.region) as regionCount
      FROM users u
      LEFT JOIN usermanagements um ON um.userId = u.userId
      WHERE u.type != ?
      GROUP BY agentName
      ORDER BY totalClients DESC
    `;
    
    // 查询客户公司分布
    const companyDistributionSql = `
      SELECT 
        company,
        COUNT(*) as clientCount
      FROM users
      WHERE type != ? AND company IS NOT NULL AND company != ''
      GROUP BY company
      ORDER BY clientCount DESC
    `;
    
    // 查询客户级别分布
    const levelDistributionSql = `
      SELECT 
        level,
        COUNT(*) as clientCount
      FROM users
      WHERE type != ? AND level IS NOT NULL AND level != ''
      GROUP BY level
      ORDER BY clientCount DESC
    `;
    
    // 查询客户需求分布
    const demandDistributionSql = `
      SELECT 
        demand,
        COUNT(*) as clientCount
      FROM users
      WHERE type != ? AND demand IS NOT NULL AND demand != ''
      GROUP BY demand
      ORDER BY clientCount DESC
    `;
    
    // 查询客户地区分布
    const regionDistributionSql = `
      SELECT 
        region,
        COUNT(*) as clientCount
      FROM users
      WHERE type != ? AND region IS NOT NULL AND region != ''
      GROUP BY region
      ORDER BY clientCount DESC
    `;
    
    // 查询客户跟进状态分布
    const followStatusDistributionSql = `
      SELECT 
        CASE 
          WHEN followup_at IS NOT NULL THEN '已跟进' 
          ELSE '未跟进' 
        END as followStatus,
        COUNT(*) as clientCount
      FROM users
      WHERE type != ?
      GROUP BY followStatus
    `;
    
    // 查询客户类型分布
    const typeDistributionSql = `
      SELECT 
        type,
        COUNT(*) as clientCount
      FROM users
      WHERE type != ?
      GROUP BY type
      ORDER BY clientCount DESC
    `;
    
    // 执行查询
    wechatPool.query(agentStatsSql, ['Colleague'], (agentStatsErr, agentStatsResults) => {
      if (agentStatsErr) {
        console.error('查询业务员客户统计数据失败:', agentStatsErr);
        return res.json({ success: false, message: '获取业务统计数据失败' });
      }
      
      wechatPool.query(companyDistributionSql, ['Colleague'], (companyErr, companyResults) => {
        if (companyErr) {
          console.error('查询客户公司分布失败:', companyErr);
          return res.json({ success: false, message: '获取业务统计数据失败' });
        }
        
        wechatPool.query(levelDistributionSql, ['Colleague'], (levelErr, levelResults) => {
          if (levelErr) {
            console.error('查询客户级别分布失败:', levelErr);
            return res.json({ success: false, message: '获取业务统计数据失败' });
          }
          
          wechatPool.query(demandDistributionSql, ['Colleague'], (demandErr, demandResults) => {
            if (demandErr) {
              console.error('查询客户需求分布失败:', demandErr);
              return res.json({ success: false, message: '获取业务统计数据失败' });
            }
            
            wechatPool.query(regionDistributionSql, ['Colleague'], (regionErr, regionResults) => {
              if (regionErr) {
                console.error('查询客户地区分布失败:', regionErr);
                return res.json({ success: false, message: '获取业务统计数据失败' });
              }
              
              wechatPool.query(followStatusDistributionSql, ['Colleague'], (followStatusErr, followStatusResults) => {
                if (followStatusErr) {
                  console.error('查询客户跟进状态分布失败:', followStatusErr);
                  return res.json({ success: false, message: '获取业务统计数据失败' });
                }
                
                wechatPool.query(typeDistributionSql, ['Colleague'], (typeErr, typeResults) => {
                  if (typeErr) {
                    console.error('查询客户类型分布失败:', typeErr);
                    return res.json({ success: false, message: '获取业务统计数据失败' });
                  }
                  
                  // 计算总客户数
                  const totalClients = followStatusResults.reduce((sum, item) => sum + item.clientCount, 0);
                  
                  res.json({
                    success: true,
                    data: {
                      totalClients: totalClients,
                      agentStats: agentStatsResults,
                      distributions: {
                        company: companyResults,
                        level: levelResults,
                        type: typeResults,
                        demand: demandResults,
                        region: regionResults,
                        followStatus: followStatusResults
                      }
                    }
                  });
                });
              });
            });
          });
        });
      });
    });
  } catch (error) {
    console.error('获取业务统计数据失败:', error);
    res.json({ success: false, message: '获取业务统计数据失败' });
  }
});

// 获取指定业务员的详细业务统计数据
app.get('/api/business-stats/agent/:agentName', (req, res) => {
  try {
    const { agentName } = req.params;
    
    console.log('API接收到的业务员详细统计参数:', agentName);
    
    // 查询指定业务员的客户列表及跟进情况
    const agentClientsSql = `
      SELECT 
        u.nickName as clientName,
        u.phoneNumber as clientPhone,
        u.company,
        u.level,
        u.type,
        u.demand,
        u.region,
        u.followup,
        u.followup_at,
        u.created_at as clientCreatedAt,
        u.updated_at as clientUpdatedAt
      FROM users u
      LEFT JOIN usermanagements um ON um.userId = u.userId
      WHERE (
        (um.userName = ? AND u.type != ?)
        ${agentName === '公海池客户' ? "OR (um.userName IS NULL OR um.userName = '' AND u.type != ?)" : ''}
      )
      ORDER BY u.followup_at DESC, u.updated_at DESC
    `;
    
    // 查询参数
    let queryParams = [];
    if (agentName === '公海池客户') {
      queryParams = [agentName, 'Colleague', 'Colleague'];
    } else {
      queryParams = [agentName, 'Colleague'];
    }
    
    // 执行查询
    wechatPool.query(agentClientsSql, queryParams, (clientsErr, clientsResults) => {
      if (clientsErr) {
        console.error('查询业务员客户列表失败:', clientsErr);
        return res.json({ success: false, message: '获取业务员详细统计数据失败' });
      }
      
      // 查询指定业务员的统计汇总
      const agentSummarySql = `
        SELECT 
          COUNT(*) as totalClients,
          SUM(CASE WHEN u.followup IS NOT NULL AND u.followup != '' THEN 1 ELSE 0 END) as followedClients,
          SUM(CASE WHEN u.followup IS NULL OR u.followup = '' THEN 1 ELSE 0 END) as notFollowedClients,
          COUNT(DISTINCT u.company) as companyCount,
          COUNT(DISTINCT u.level) as levelCount,
          COUNT(DISTINCT u.demand) as demandCount,
          COUNT(DISTINCT u.region) as regionCount
        FROM users u
        LEFT JOIN usermanagements um ON um.userId = u.userId
        WHERE (
          (um.userName = ? AND u.type != ?)
          ${agentName === '公海池客户' ? "OR (um.userName IS NULL OR um.userName = '' AND u.type != ?)" : ''}
        )
      `;
      
      wechatPool.query(agentSummarySql, queryParams, (summaryErr, summaryResults) => {
        if (summaryErr) {
          console.error('查询业务员统计汇总失败:', summaryErr);
          return res.json({ success: false, message: '获取业务员详细统计数据失败' });
        }
        
        res.json({
          success: true,
          data: {
            agentName: agentName,
            summary: summaryResults[0],
            clients: clientsResults
          }
        });
      });
    });
  } catch (error) {
    console.error('获取业务员详细统计数据失败:', error);
    res.json({ success: false, message: '获取业务员详细统计数据失败' });
  }
});

// 获取评论列表
app.get('/api/comments', (req, res) => {
  try {
    const page = parseInt(req.query.page) || 1;
    const pageSize = parseInt(req.query.pageSize) || 10;
    const status = req.query.status || '';
    const search = req.query.search || '';
    
    // 计算偏移量
    const offset = (page - 1) * pageSize;
    
    // 构建查询条件
    let whereClause = '';
    let countParams = [];
    let dataParams = [];
    
    if (status) {
      whereClause += whereClause ? ' AND ' : ' WHERE ';
      if (status === '0') {
        // 待审核状态包括review=0和review=NULL
        whereClause += '(review = 0 OR review IS NULL)';
      } else {
        whereClause += 'review = ?';
        countParams.push(status);
        dataParams.push(status);
      }
    }
    
    if (search) {
      whereClause += whereClause ? ' AND ' : ' WHERE ';
      whereClause += '(comments LIKE ? OR phoneNumber LIKE ?)';
      countParams.push(`%${search}%`);
      countParams.push(`%${search}%`);
      dataParams.push(`%${search}%`);
      dataParams.push(`%${search}%`);
    }
    
    const startDate = req.query.startDate;
    const endDate = req.query.endDate;
    
    if (startDate) {
      whereClause += whereClause ? ' AND ' : ' WHERE ';
      whereClause += 'time >= ?';
      countParams.push(startDate);
      dataParams.push(startDate);
    }
    
    if (endDate) {
      whereClause += whereClause ? ' AND ' : ' WHERE ';
      whereClause += 'time <= ?';
      countParams.push(endDate);
      dataParams.push(endDate);
    }
    
    // 添加分页参数
    dataParams.push(pageSize);
    dataParams.push(offset);
    
    // 查询总数
    const countSql = `SELECT COUNT(*) as total FROM comments${whereClause}`;
    
    // 查询待审核总数
    const pendingCountSql = "SELECT COUNT(*) as pendingTotal FROM comments WHERE review = 0 OR review IS NULL";
    
    // 查询数据
    const dataSql = `SELECT * FROM comments${whereClause} ORDER BY time DESC LIMIT ? OFFSET ?`;
    
    // 先查询总数
    wechatPool.query(countSql, countParams, (countErr, countResults) => {
      if (countErr) {
        console.error('查询评论总数失败:', countErr);
        return res.json({ success: false, message: '查询评论失败，请稍后重试' });
      }
      
      const total = countResults[0].total;
      
      // 查询待审核总数
      wechatPool.query(pendingCountSql, [], (pendingErr, pendingResults) => {
        if (pendingErr) {
          console.error('查询待审核总数失败:', pendingErr);
          return res.json({ success: false, message: '查询评论失败，请稍后重试' });
        }
        
        const pendingTotal = pendingResults[0].pendingTotal;
        
        // 再查询数据
        wechatPool.query(dataSql, dataParams, (dataErr, dataResults) => {
          if (dataErr) {
            console.error('查询评论数据失败:', dataErr);
            return res.json({ success: false, message: '查询评论失败，请稍后重试' });
          }
          
          // 数据库字段名已经与前端期望的格式匹配，直接返回
          const formattedComments = dataResults.map(comment => ({
            id: comment.id,
            phoneNumber: comment.phoneNumber,
            productId: comment.productId,
            time: comment.time,
            comments: comment.comments,
            review: comment.review,
            like: comment.like || 0,
            hate: comment.hate || 0
          }));
          
          res.json({ 
            success: true, 
            comments: formattedComments, 
            total,
            pendingTotal
          });
        });
      });
    });
  } catch (error) {
    console.error('获取评论列表失败:', error);
    res.json({ success: false, message: '获取评论列表失败' });
  }
});

// 更新评论审核状态
app.post('/api/comments/update', (req, res) => {
  try {
    const { id, review } = req.body;
    
    if (!id || review === undefined) {
      return res.json({ success: false, message: '参数不全' });
    }
    
    const sql = 'UPDATE comments SET review = ? WHERE id = ?';
    
    wechatPool.query(sql, [review, id], (err, results) => {
      if (err) {
        console.error('更新评论审核状态失败:', err);
        return res.json({ success: false, message: '更新评论审核状态失败，请稍后重试' });
      }
      
      if (results.affectedRows === 0) {
        return res.json({ success: false, message: '未找到匹配的评论' });
      }
      
      res.json({ success: true, message: '更新评论审核状态成功' });
    });
  } catch (error) {
    console.error('更新评论审核状态失败:', error);
    res.json({ success: false, message: '更新评论审核状态失败' });
  }
});

// 批量更新评论审核状态
app.post('/api/comments/batch-update', (req, res) => {
  try {
    const { ids, review } = req.body;
    
    if (!ids || !Array.isArray(ids) || ids.length === 0 || review === undefined) {
      return res.json({ success: false, message: '参数不全' });
    }
    
    const sql = 'UPDATE comments SET review = ? WHERE id IN (?)';
    
    wechatPool.query(sql, [review, ids], (err, results) => {
      if (err) {
        console.error('批量更新评论审核状态失败:', err);
        return res.json({ success: false, message: '批量更新评论审核状态失败，请稍后重试' });
      }
      
      if (results.affectedRows === 0) {
        return res.json({ success: false, message: '未找到匹配的评论' });
      }
      
      res.json({ success: true, message: '批量更新评论审核状态成功', affectedRows: results.affectedRows });
    });
  } catch (error) {
    console.error('批量更新评论审核状态失败:', error);
    res.json({ success: false, message: '批量更新评论审核状态失败' });
  }
});

// 获取论坛动态列表
app.get('/api/forum-posts', (req, res) => {
  try {
    const page = parseInt(req.query.page) || 1;
    const pageSize = parseInt(req.query.pageSize) || 10;
    const status = req.query.status;
    const search = req.query.search;
    const startDate = req.query.startDate;
    const endDate = req.query.endDate;
    
    // 计算偏移量
    const offset = (page - 1) * pageSize;
    
    // 构建查询条件
    let whereClause = '';
    let countParams = [];
    let dataParams = [];
    
    if (status) {
      whereClause += whereClause ? ' AND ' : ' WHERE ';
      if (status === '0') {
        // 待审核状态包括status=0和status=NULL
        whereClause += '(status = 0 OR status IS NULL)';
      } else {
        whereClause += 'status = ?';
        countParams.push(status);
        dataParams.push(status);
      }
    }
    
    if (search) {
      whereClause += whereClause ? ' AND ' : ' WHERE ';
      whereClause += '(content LIKE ? OR phone LIKE ?)';
      countParams.push(`%${search}%`);
      countParams.push(`%${search}%`);
      dataParams.push(`%${search}%`);
      dataParams.push(`%${search}%`);
    }
    
    if (startDate) {
      whereClause += whereClause ? ' AND ' : ' WHERE ';
      whereClause += 'created_at >= ?';
      countParams.push(startDate);
      dataParams.push(startDate);
    }
    
    if (endDate) {
      whereClause += whereClause ? ' AND ' : ' WHERE ';
      whereClause += 'created_at <= ?';
      countParams.push(endDate);
      dataParams.push(endDate);
    }
    
    // 添加分页参数
    dataParams.push(pageSize);
    dataParams.push(offset);
    
    // 查询总数
    const countSql = `SELECT COUNT(*) as total FROM eggbar_posts${whereClause}`;
    
    // 查询待审核总数
    const pendingCountSql = "SELECT COUNT(*) as pendingTotal FROM eggbar_posts WHERE status = 0 OR status IS NULL";
    
    // 查询数据
    const dataSql = `SELECT * FROM eggbar_posts${whereClause} ORDER BY created_at DESC LIMIT ? OFFSET ?`;
    
    // 先查询总数
    eggbarPool.query(countSql, countParams, (countErr, countResults) => {
      if (countErr) {
        console.error('查询论坛动态总数失败:', countErr);
        return res.json({ success: false, message: '查询论坛动态失败，请稍后重试' });
      }
      
      const total = countResults[0].total;
      
      // 查询待审核总数
      eggbarPool.query(pendingCountSql, [], (pendingErr, pendingResults) => {
        if (pendingErr) {
          console.error('查询待审核总数失败:', pendingErr);
          return res.json({ success: false, message: '查询论坛动态失败，请稍后重试' });
        }
        
        const pendingTotal = pendingResults[0].pendingTotal;
        
        // 再查询数据
        eggbarPool.query(dataSql, dataParams, (dataErr, dataResults) => {
          if (dataErr) {
            console.error('查询论坛动态数据失败:', dataErr);
            return res.json({ success: false, message: '查询论坛动态失败，请稍后重试' });
          }
          
          res.json({ 
            success: true, 
            posts: dataResults, 
            total,
            pendingTotal
          });
        });
      });
    });
  } catch (error) {
    console.error('获取论坛动态列表失败:', error);
    res.json({ success: false, message: '获取论坛动态列表失败' });
  }
});

// 更新论坛动态审核状态
app.post('/api/forum-posts/update', (req, res) => {
  try {
    const { id, status } = req.body;
    
    if (!id || status === undefined) {
      return res.json({ success: false, message: '参数不全' });
    }
    
    const sql = 'UPDATE eggbar_posts SET status = ? WHERE id = ?';
    
    eggbarPool.query(sql, [status, id], (err, results) => {
      if (err) {
        console.error('更新论坛动态审核状态失败:', err);
        return res.json({ success: false, message: '更新论坛动态审核状态失败，请稍后重试' });
      }
      
      if (results.affectedRows === 0) {
        return res.json({ success: false, message: '未找到匹配的论坛动态' });
      }
      
      res.json({ success: true, message: '更新论坛动态审核状态成功' });
    });
  } catch (error) {
    console.error('更新论坛动态审核状态失败:', error);
    res.json({ success: false, message: '更新论坛动态审核状态失败' });
  }
});

// 批量更新论坛动态审核状态
app.post('/api/forum-posts/batch-update', (req, res) => {
  try {
    const { ids, status } = req.body;
    
    if (!ids || !Array.isArray(ids) || ids.length === 0 || status === undefined) {
      return res.json({ success: false, message: '参数不全' });
    }
    
    const sql = 'UPDATE eggbar_posts SET status = ? WHERE id IN (?)';
    
    eggbarPool.query(sql, [status, ids], (err, results) => {
      if (err) {
        console.error('批量更新论坛动态审核状态失败:', err);
        return res.json({ success: false, message: '批量更新论坛动态审核状态失败，请稍后重试' });
      }
      
      if (results.affectedRows === 0) {
        return res.json({ success: false, message: '未找到匹配的论坛动态' });
      }
      
      res.json({ success: true, message: '批量更新论坛动态审核状态成功', affectedRows: results.affectedRows });
    });
  } catch (error) {
    console.error('批量更新论坛动态审核状态失败:', error);
    res.json({ success: false, message: '批量更新论坛动态审核状态失败' });
  }
});

// 获取身份信息审核列表
app.get('/api/identity-verification', (req, res) => {
  try {
    const { status = 'pending', page = 1, pageSize = 10 } = req.query;
    
    // 计算偏移量
    const offset = (page - 1) * pageSize;
    
    // 构建查询条件
    let whereClause = '';
    let countParams = [];
    let dataParams = [];
    
    if (status === 'pending') {
      whereClause = ' WHERE (idcardstatus = 0 OR idcardstatus IS NULL)';
    } else if (status === 'approved') {
      whereClause = ' WHERE idcardstatus = 1';
    } else if (status === 'rejected') {
      whereClause = ' WHERE idcardstatus = 2';
    }
    
    // 添加分页参数（确保是数字类型）
    dataParams.push(parseInt(pageSize));
    dataParams.push(parseInt(offset));
    
    // 查询总数
    const countSql = `SELECT COUNT(*) as total FROM users${whereClause}`;
    
    // 查询数据
    const dataSql = `SELECT id, userId, phoneNumber as phone, idcard1, idcard2, businesslicenseurl, idcardstatus, reason, created_at FROM users${whereClause} ORDER BY created_at DESC LIMIT ? OFFSET ?`;
    
    // 先查询总数
    wechatPool.query(countSql, countParams, (countErr, countResults) => {
      if (countErr) {
        console.error('查询身份信息审核总数失败:', countErr);
        return res.json({ success: false, message: '获取身份信息审核列表失败，请稍后重试' });
      }
      
      const total = countResults[0].total;
      
      // 再查询数据
      wechatPool.query(dataSql, dataParams, (dataErr, dataResults) => {
        if (dataErr) {
          console.error('查询身份信息审核数据失败:', dataErr);
          return res.json({ success: false, message: '获取身份信息审核列表失败，请稍后重试' });
        }
        
        res.json({ 
          success: true, 
          data: dataResults, 
          total,
          page,
          pageSize
        });
      });
    });
  } catch (error) {
    console.error('获取身份信息审核列表失败:', error);
    res.json({ success: false, message: '获取身份信息审核列表失败，请稍后重试' });
  }
});

// 获取身份信息列表
app.get('/api/identities', (req, res) => {
  try {
    const page = parseInt(req.query.page) || 1;
    const pageSize = parseInt(req.query.pageSize) || 10;
    const status = req.query.status;
    const search = req.query.search || '';
    const startDate = req.query.startDate || '';
    const endDate = req.query.endDate || '';
    
    // 计算偏移量
    const offset = (page - 1) * pageSize;
    
    // 构建查询条件
    let whereClause = '';
    let countParams = [];
    let dataParams = [];
    
    if (status) {
      whereClause += whereClause ? ' AND ' : ' WHERE ';
      if (status === '0') {
        // 待审核状态包括idcardstatus=0和idcardstatus=NULL
        whereClause += '(idcardstatus = 0 OR idcardstatus IS NULL)';
      } else {
        whereClause += 'idcardstatus = ?';
        countParams.push(status);
        dataParams.push(status);
      }
    }
    
    if (search) {
      whereClause += whereClause ? ' AND ' : ' WHERE ';
      whereClause += '(phoneNumber LIKE ? OR userId LIKE ?)';
      countParams.push(`%${search}%`);
      countParams.push(`%${search}%`);
      dataParams.push(`%${search}%`);
      dataParams.push(`%${search}%`);
    }
    
    if (startDate) {
      whereClause += whereClause ? ' AND ' : ' WHERE ';
      whereClause += 'created_at >= ?';
      countParams.push(startDate);
      dataParams.push(startDate);
    }
    
    if (endDate) {
      whereClause += whereClause ? ' AND ' : ' WHERE ';
      whereClause += 'created_at <= ?';
      countParams.push(`${endDate} 23:59:59`);
      dataParams.push(`${endDate} 23:59:59`);
    }
    
    // 添加分页参数
    dataParams.push(pageSize);
    dataParams.push(offset);
    
    // 查询总数
    const countSql = `SELECT COUNT(*) as total FROM users${whereClause}`;
    
    // 查询待审核总数
    const pendingCountSql = "SELECT COUNT(*) as pendingTotal FROM users WHERE idcardstatus = 0 OR idcardstatus IS NULL";
    
    // 查询数据
    const dataSql = `SELECT id, userId, phoneNumber as phone, idcard1, idcard2, businesslicenseurl, idcardstatus, reason, created_at, newtime FROM users${whereClause} ORDER BY created_at DESC LIMIT ? OFFSET ?`;
    
    // 先查询总数
    wechatPool.query(countSql, countParams, (countErr, countResults) => {
      if (countErr) {
        console.error('查询身份信息总数失败:', countErr);
        return res.json({ success: false, message: '查询身份信息失败，请稍后重试' });
      }
      
      const total = countResults[0].total;
      
      // 查询待审核总数
      wechatPool.query(pendingCountSql, [], (pendingErr, pendingResults) => {
        if (pendingErr) {
          console.error('查询待审核身份信息总数失败:', pendingErr);
          return res.json({ success: false, message: '查询身份信息失败，请稍后重试' });
        }
        
        const pendingTotal = pendingResults[0].pendingTotal;
        
        // 再查询数据
        wechatPool.query(dataSql, dataParams, (dataErr, dataResults) => {
          if (dataErr) {
            console.error('查询身份信息数据失败:', dataErr);
            return res.json({ success: false, message: '查询身份信息失败，请稍后重试' });
          }
          
          res.json({ 
            success: true, 
            identities: dataResults, 
            total,
            pendingTotal
          });
        });
      });
    });
  } catch (error) {
    console.error('获取身份信息列表失败:', error);
    res.json({ success: false, message: '获取身份信息列表失败' });
  }
});

// 更新身份信息审核状态
app.post('/api/identities/update', (req, res) => {
  try {
    const { id, idcardstatus, reason } = req.body;
    
    if (!id || idcardstatus === undefined) {
      return res.json({ success: false, message: '参数不全' });
    }
    
    let sql, params;
    if (reason !== undefined) {
      sql = 'UPDATE users SET idcardstatus = ?, reason = ? WHERE id = ?';
      params = [idcardstatus, reason, id];
    } else {
      sql = 'UPDATE users SET idcardstatus = ? WHERE id = ?';
      params = [idcardstatus, id];
    }
    
    wechatPool.query(sql, params, (err, results) => {
      if (err) {
        console.error('更新身份信息审核状态失败:', err);
        return res.json({ success: false, message: '更新身份信息审核状态失败，请稍后重试' });
      }
      
      if (results.affectedRows === 0) {
        return res.json({ success: false, message: '未找到匹配的身份信息' });
      }
      
      res.json({ success: true, message: '更新身份信息审核状态成功' });
    });
  } catch (error) {
    console.error('更新身份信息审核状态失败:', error);
    res.json({ success: false, message: '更新身份信息审核状态失败' });
  }
});

// 批量更新身份信息审核状态
app.post('/api/identities/batch-update', (req, res) => {
  try {
    const { ids, idcardstatus, reason } = req.body;
    
    if (!ids || !Array.isArray(ids) || ids.length === 0 || idcardstatus === undefined) {
      return res.json({ success: false, message: '参数不全' });
    }
    
    let sql, params;
    if (reason !== undefined) {
      sql = 'UPDATE users SET idcardstatus = ?, reason = ? WHERE id IN (?)';
      params = [idcardstatus, reason, ids];
    } else {
      sql = 'UPDATE users SET idcardstatus = ? WHERE id IN (?)';
      params = [idcardstatus, ids];
    }
    
    wechatPool.query(sql, params, (err, results) => {
      if (err) {
        console.error('批量更新身份信息审核状态失败:', err);
        return res.json({ success: false, message: '批量更新身份信息审核状态失败，请稍后重试' });
      }
      
      if (results.affectedRows === 0) {
        return res.json({ success: false, message: '未找到匹配的身份信息' });
      }
      
      res.json({ success: true, message: '批量更新身份信息审核状态成功', affectedRows: results.affectedRows });
    });
  } catch (error) {
    console.error('批量更新身份信息审核状态失败:', error);
    res.json({ success: false, message: '批量更新身份信息审核状态失败' });
  }
});

// 批量请求端点
app.post('/api/batch', async (req, res) => {
  try {
    const { requests } = req.body;
    
    if (!Array.isArray(requests)) {
      return res.json({ success: false, message: '请求格式错误' });
    }
    
    // 并行处理所有请求
    const responses = await Promise.all(
      requests.map(async (request) => {
        try {
          const { id, endpoint, params } = request;
          
          // 构建请求URL
          let url = endpoint;
          if (params && Object.keys(params).length > 0) {
            const queryString = new URLSearchParams(params).toString();
            url += '?' + queryString;
          }
          
          // 模拟请求处理（实际项目中可能需要更复杂的路由处理）
          // 这里使用简单的映射来处理常见的API请求
          let responseData;
          
          if (endpoint === '/api/consolidated/dashboard') {
            // 处理控制台数据请求
            const today = new Date();
            today.setHours(0, 0, 0, 0);
            const todayStr = today.toISOString().slice(0, 19).replace('T', ' ');
            
            const consolidatedSql = `
              WITH dashboard_stats AS (
                -- 产品统计
                SELECT 'products_total' as metric_type, COUNT(*) as metric_value FROM products
                UNION ALL
                SELECT 'products_pending', COUNT(*) FROM products WHERE status = 'pending_review'
                UNION ALL
                SELECT 'products_today', COUNT(*) FROM products WHERE created_at >= ?
                
                -- 活跃用户统计
                UNION ALL
                SELECT 'total_active_1d', COUNT(DISTINCT ut.userId)
                FROM usertraces ut
                JOIN users u ON ut.userId = u.userId
                WHERE ut.operationTime >= DATE_SUB(NOW(), INTERVAL 1 DAY)
                  AND u.phoneNumber IS NOT NULL AND u.phoneNumber != ''
                  AND u.created_at IS NOT NULL
                  
                UNION ALL
                SELECT 'total_active_7d', COUNT(DISTINCT ut.userId)
                FROM usertraces ut
                JOIN users u ON ut.userId = u.userId
                WHERE ut.operationTime >= DATE_SUB(NOW(), INTERVAL 7 DAY)
                  AND u.phoneNumber IS NOT NULL AND u.phoneNumber != ''
                  AND u.created_at IS NOT NULL
              )
              SELECT * FROM dashboard_stats
            `;
            
            responseData = await new Promise((resolve, reject) => {
              wechatPool.query(consolidatedSql, [todayStr], (err, results) => {
                if (err) reject(err);
                else {
                  const statsMap = {};
                  results.forEach(row => {
                    statsMap[row.metric_type] = row.metric_value;
                  });
                  resolve({
                    success: true,
                    data: {
                      total: statsMap.products_total || 0,
                      pending: statsMap.products_pending || 0,
                      today: statsMap.products_today || 0,
                      active1d: statsMap.total_active_1d || 0,
                      active7d: statsMap.total_active_7d || 0
                    }
                  });
                }
              });
            });
          } else if (endpoint === '/api/consolidated/statistics') {
            // 处理统计数据请求
            const { startDate, endDate } = params || {};
            const now = new Date();
            const defaultEndStr = now.toISOString().slice(0, 19).replace('T', ' ');
            const defaultStartStr = new Date(now.getTime() - 7 * 24 * 60 * 60 * 1000).toISOString().slice(0, 19).replace('T', ' ');
            const startDateStr = startDate ? `${startDate} 00:00:00` : defaultStartStr;
            const endDateStr = endDate ? `${endDate} 23:59:59` : defaultEndStr;
            
            const consolidatedSql = `
              WITH client_business_stats AS (
                -- 客户统计
                SELECT
                  'client_total' as stat_type,
                  COUNT(*) as stat_value,
                  NULL as sub_type,
                  NULL as sub_value
                FROM users
                WHERE created_at BETWEEN ? AND ?
                  AND type != 'Colleague'
                
                UNION ALL
                
                -- 客户分配统计
                SELECT
                  'client_allocation' as stat_type,
                  COUNT(*) as stat_value,
                  CASE
                    WHEN um.userName IS NULL OR um.userName = '' THEN '公海池'
                    ELSE um.userName
                  END as sub_type,
                  NULL as sub_value
                FROM users u
                LEFT JOIN usermanagements um ON um.userId = u.userId
                WHERE u.created_at BETWEEN ? AND ?
                  AND u.type != 'Colleague'
                GROUP BY sub_type
              )
              SELECT * FROM client_business_stats
            `;
            
            responseData = await new Promise((resolve, reject) => {
              wechatPool.query(consolidatedSql, [startDateStr, endDateStr, startDateStr, endDateStr], (err, results) => {
                if (err) reject(err);
                else {
                  let clientCount = 0;
                  const clientAllocation = [];
                  
                  results.forEach(row => {
                    if (row.stat_type === 'client_total') {
                      clientCount = row.stat_value;
                    } else if (row.stat_type === 'client_allocation') {
                      clientAllocation.push({ managerName: row.sub_type, clientCount: row.stat_value });
                    }
                  });
                  
                  clientAllocation.sort((a, b) => b.clientCount - a.clientCount);
                  
                  resolve({
                    success: true,
                    data: {
                      clientCount: clientCount,
                      clientAllocation: clientAllocation
                    }
                  });
                }
              });
            });
          } else {
            // 其他API请求处理
            responseData = { success: false, message: 'Unsupported endpoint' };
          }
          
          return { id, response: responseData };
        } catch (error) {
          console.error(`处理批量请求 ${request.id} 失败:`, error);
          return { id, response: { success: false, message: '请求失败' } };
        }
      })
    );
    
    res.json({ success: true, responses });
  } catch (error) {
    console.error('处理批量请求失败:', error);
    res.json({ success: false, message: '处理批量请求失败' });
  }
});

// 获取身份信息审核列表
app.get('/api/identity-verification', (req, res) => {
  try {
    const { status = 'pending', page = 1, pageSize = 10 } = req.query;
    const offset = (page - 1) * pageSize;
    
    // 构建查询条件
    let whereClause = '';
    if (status === 'pending') {
      whereClause = 'WHERE status = 0';
    } else if (status === 'approved') {
      whereClause = 'WHERE status = 1';
    } else if (status === 'rejected') {
      whereClause = 'WHERE status = 2';
    }
    
    // 查询总数
    const countSql = `SELECT COUNT(*) as total FROM identity_verification ${whereClause}`;
    
    // 查询数据
    const dataSql = `
      SELECT * FROM identity_verification 
      ${whereClause}
      ORDER BY created_at DESC
      LIMIT ? OFFSET ?
    `;
    
    // 执行查询
    wechatPool.query(countSql, (countErr, countResults) => {
      if (countErr) {
        console.error('查询身份信息审核总数失败:', countErr);
        return res.json({ success: false, message: '获取身份信息审核列表失败，请稍后重试' });
      }
      
      const total = countResults[0].total;
      
      wechatPool.query(dataSql, [pageSize, offset], (dataErr, dataResults) => {
        if (dataErr) {
          console.error('查询身份信息审核数据失败:', dataErr);
          return res.json({ success: false, message: '获取身份信息审核列表失败，请稍后重试' });
        }
        
        res.json({ 
          success: true, 
          verifications: dataResults, 
          total 
        });
      });
    });
  } catch (error) {
    console.error('获取身份信息审核列表失败:', error);
    res.json({ success: false, message: '获取身份信息审核列表失败，请稍后重试' });
  }
});

// 设置wechatPool到app对象，以便路由使用
app.set('wechatPool', wechatPool);

// 获取功能使用统计 API
app.get('/api/function-usage', (req, res) => {
  try {
    const { startDate, endDate } = req.query;
    
    // 构建时间范围查询条件
    let timeCondition = '';
    let params = [];
    
    if (startDate && endDate) {
      timeCondition = 'WHERE time BETWEEN ? AND ?';
      params = [`${startDate} 00:00:00`, `${endDate} 23:59:59`];
    }
    
    // 查询总功能数（去重后的操作类型数量）
    const totalFunctionsSql = `
      SELECT COUNT(DISTINCT operation) as totalFunctions 
      FROM use_history 
      ${timeCondition}
    `;
    
    // 查询总调用次数
    const totalCallsSql = `
      SELECT COUNT(*) as totalCalls 
      FROM use_history 
      ${timeCondition}
    `;
    
    // 查询各操作的统计信息
    const operationStatsSql = `
      SELECT 
        operation as operationName,
        COUNT(*) as callCount,
        COUNT(DISTINCT phone) as userCount,
        MAX(time) as lastUsed
      FROM use_history 
      ${timeCondition}
      GROUP BY operation
      ORDER BY callCount DESC
    `;
    
    // 执行查询
    wechatPool.query(totalFunctionsSql, params, (err1, totalResults) => {
      if (err1) {
        console.error('查询功能总数失败:', err1);
        return res.json({ success: false, message: '获取功能使用数据失败' });
      }
      
      wechatPool.query(totalCallsSql, params, (err2, callResults) => {
        if (err2) {
          console.error('查询总调用次数失败:', err2);
          return res.json({ success: false, message: '获取功能使用数据失败' });
        }
        
        wechatPool.query(operationStatsSql, params, (err3, statsResults) => {
          if (err3) {
            console.error('查询操作统计失败:', err3);
            return res.json({ success: false, message: '获取功能使用数据失败' });
          }
          
          const totalFunctions = totalResults[0].totalFunctions || 0;
          const totalCalls = callResults[0].totalCalls || 0;
          const mostUsedFunction = statsResults.length > 0 ? statsResults[0].operationName : '无';
          
          // 计算平均使用频率（按天计算）
          const daysDiff = startDate && endDate 
            ? Math.ceil((new Date(endDate) - new Date(startDate)) / (1000 * 60 * 60 * 24)) + 1
            : 1;
          const avgUsage = totalCalls > 0 ? Math.round(totalCalls / daysDiff) : 0;
          
          res.json({
            success: true,
            data: {
              totalFunctions: totalFunctions,
              mostUsedFunction: mostUsedFunction,
              totalCalls: totalCalls,
              avgUsage: avgUsage,
              operations: statsResults
            }
          });
        });
      });
    });
  } catch (error) {
    console.error('获取功能使用统计失败:', error);
    res.json({ success: false, message: '获取功能使用数据失败' });
  }
});

// 获取功能使用详情 API
app.get('/api/function-usage/:operation', (req, res) => {
  try {
    const { operation } = req.params;
    const { startDate, endDate, page = 1, pageSize = 20 } = req.query;
    
    // 构建时间范围查询条件
    let timeCondition = 'WHERE operation = ?';
    let params = [operation];
    
    if (startDate && endDate) {
      timeCondition += ' AND time BETWEEN ? AND ?';
      params.push(`${startDate} 00:00:00`, `${endDate} 23:59:59`);
    }
    
    // 计算分页偏移量
    const offset = (parseInt(page) - 1) * parseInt(pageSize);
    
    // 查询总记录数
    const countSql = `
      SELECT COUNT(*) as total 
      FROM use_history 
      ${timeCondition}
    `;
    
    // 查询详细记录
    const dataSql = `
      SELECT 
        id,
        phone,
        operation,
        time
      FROM use_history 
      ${timeCondition}
      ORDER BY time DESC
      LIMIT ? OFFSET ?
    `;
    
    // 执行查询
    wechatPool.query(countSql, params, (countErr, countResults) => {
      if (countErr) {
        console.error('查询功能使用详情总数失败:', countErr);
        return res.json({ success: false, message: '获取功能使用详情失败' });
      }
      
      const total = countResults[0].total;
      
      // 添加分页参数
      const dataParams = [...params, parseInt(pageSize), offset];
      
      wechatPool.query(dataSql, dataParams, (dataErr, dataResults) => {
        if (dataErr) {
          console.error('查询功能使用详情数据失败:', dataErr);
          return res.json({ success: false, message: '获取功能使用详情失败' });
        }
        
        res.json({
          success: true,
          data: {
            records: dataResults,
            total: total,
            page: parseInt(page),
            pageSize: parseInt(pageSize)
          }
        });
      });
    });
  } catch (error) {
    console.error('获取功能使用详情失败:', error);
    res.json({ success: false, message: '获取功能使用详情失败' });
  }
});

// 获取用户历史记录 API
app.get('/api/user-history/:phone', (req, res) => {
  try {
    const { phone } = req.params;
    const { startDate, endDate, page = 1, pageSize = 20 } = req.query;
    
    // 构建时间范围查询条件
    let timeCondition = 'WHERE phone = ?';
    let params = [phone];
    
    if (startDate && endDate) {
      timeCondition += ' AND time BETWEEN ? AND ?';
      params.push(`${startDate} 00:00:00`, `${endDate} 23:59:59`);
    }
    
    // 计算分页偏移量
    const offset = (parseInt(page) - 1) * parseInt(pageSize);
    
    // 查询总记录数
    const countSql = `
      SELECT COUNT(*) as total 
      FROM use_history 
      ${timeCondition}
    `;
    
    // 查询详细记录
    const dataSql = `
      SELECT 
        id,
        operation,
        time
      FROM use_history 
      ${timeCondition}
      ORDER BY time DESC
      LIMIT ? OFFSET ?
    `;
    
    // 执行查询
    wechatPool.query(countSql, params, (countErr, countResults) => {
      if (countErr) {
        console.error('查询用户历史记录总数失败:', countErr);
        return res.json({ success: false, message: '获取用户历史记录失败' });
      }
      
      const total = countResults[0].total;
      
      // 添加分页参数
      const dataParams = [...params, parseInt(pageSize), offset];
      
      wechatPool.query(dataSql, dataParams, (dataErr, dataResults) => {
        if (dataErr) {
          console.error('查询用户历史记录数据失败:', dataErr);
          return res.json({ success: false, message: '获取用户历史记录失败' });
        }
        
        res.json({
          success: true,
          data: {
            records: dataResults,
            total: total,
            page: parseInt(page),
            pageSize: parseInt(pageSize)
          }
        });
      });
    });
  } catch (error) {
    console.error('获取用户历史记录失败:', error);
    res.json({ success: false, message: '获取用户历史记录失败' });
  }
});

// 获取所有使用记录 API
app.get('/api/usage-records', (req, res) => {
  try {
    const { operation, phone, page = 1, pageSize = 20 } = req.query;
    
    // 构建查询条件
    let conditions = [];
    let params = [];
    
    if (operation) {
      conditions.push('operation = ?');
      params.push(operation);
    }
    
    if (phone) {
      conditions.push('phone LIKE ?');
      params.push(phone + '%');
    }
    
    let whereClause = conditions.length > 0 ? 'WHERE ' + conditions.join(' AND ') : '';
    
    // 计算分页偏移量
    const offset = (parseInt(page) - 1) * parseInt(pageSize);
    
    // 查询总记录数
    const countSql = `
      SELECT COUNT(*) as total 
      FROM use_history 
      ${whereClause}
    `;
    
    // 查询详细记录
    const dataSql = `
      SELECT 
        id,
        phone,
        operation,
        time
      FROM use_history 
      ${whereClause}
      ORDER BY time DESC
      LIMIT ? OFFSET ?
    `;
    
    // 执行查询
    wechatPool.query(countSql, params, (countErr, countResults) => {
      if (countErr) {
        console.error('查询使用记录总数失败:', countErr);
        return res.json({ success: false, message: '获取使用记录失败' });
      }
      
      const total = countResults[0].total;
      
      // 添加分页参数
      const dataParams = [...params, parseInt(pageSize), offset];
      
      wechatPool.query(dataSql, dataParams, (dataErr, dataResults) => {
        if (dataErr) {
          console.error('查询使用记录数据失败:', dataErr);
          return res.json({ success: false, message: '获取使用记录失败' });
        }
        
        res.json({
          success: true,
          data: {
            records: dataResults,
            total: total,
            page: parseInt(page),
            pageSize: parseInt(pageSize)
          }
        });
      });
    });
  } catch (error) {
    console.error('获取使用记录失败:', error);
    res.json({ success: false, message: '获取使用记录失败' });
  }
});

// 导入并使用优化的活跃客户排名路由
const optimizedActiveDuration = require('./optimized-active-duration');
app.use(optimizedActiveDuration);

// 启动服务器
app.listen(port, () => {
  console.log(`服务器运行在 http://localhost:${port}`);
});