const mysql = require('mysql2/promise');

// 数据库配置
const dbConfig = {
  host: '1.95.162.61',
  port: 3306,
  user: 'root',
  password: 'schl@2025',
  database: 'wechat_app'
};

async function verifyMessageStorage() {
  let connection;
  try {
    console.log('开始验证消息存储修复...');
    
    // 连接数据库
    connection = await mysql.createConnection(dbConfig);
    console.log('✅ 数据库连接成功');
    
    // 查询会话表中的最新会话
    console.log('\n📊 查询最新会话信息:');
    const [conversations] = await connection.execute(
      'SELECT conversation_id, userId, managerId, last_message, last_message_time, updated_at FROM chat_conversations ORDER BY updated_at DESC LIMIT 5'
    );
    
    console.log(`找到 ${conversations.length} 个会话记录`);
    conversations.forEach((conv, index) => {
      console.log(`\n会话 ${index + 1}:`);
      console.log(`  会话ID: ${conv.conversation_id}`);
      console.log(`  用户ID: ${conv.userId}`);
      console.log(`  客服ID: ${conv.managerId}`);
      console.log(`  最后消息: ${conv.last_message ? conv.last_message.substring(0, 30) + '...' : '无'}`);
      console.log(`  最后消息时间: ${new Date(conv.last_message_time).toLocaleString('zh-CN')}`);
    });
    
    // 查询消息表中的最新消息
    console.log('\n📨 查询最新消息记录:');
    const [messages] = await connection.execute(
      'SELECT message_id, conversation_id, sender_type, sender_id, receiver_id, content, created_at FROM chat_messages ORDER BY created_at DESC LIMIT 10'
    );
    
    console.log(`找到 ${messages.length} 条消息记录`);
    messages.forEach((msg, index) => {
      const senderTypeText = msg.sender_type === 1 ? '用户' : '客服';
      console.log(`\n消息 ${index + 1}:`);
      console.log(`  消息ID: ${msg.message_id}`);
      console.log(`  会话ID: ${msg.conversation_id}`);
      console.log(`  发送类型: ${senderTypeText}`);
      console.log(`  发送者ID: ${msg.sender_id}`);
      console.log(`  接收者ID: ${msg.receiver_id}`);
      console.log(`  内容: ${msg.content ? msg.content.substring(0, 30) + '...' : '无'}`);
      console.log(`  创建时间: ${new Date(msg.created_at).toLocaleString('zh-CN')}`);
    });
    
    // 检查特定会话的消息
    if (conversations.length > 0) {
      const targetConversationId = conversations[0].conversation_id;
      console.log(`\n🔍 检查特定会话 ${targetConversationId} 的消息:`);
      const [specificMessages] = await connection.execute(
        'SELECT message_id, sender_type, sender_id, content, created_at FROM chat_messages WHERE conversation_id = ? ORDER BY created_at DESC',
        [targetConversationId]
      );
      console.log(`  该会话有 ${specificMessages.length} 条消息`);
    }
    
    // 总结
    console.log('\n✅ 验证完成！');
    if (messages.length > 0) {
      console.log('🎉 消息存储功能正常工作，已成功存储消息到chat_messages表！');
    } else {
      console.log('⚠️  未找到新的消息记录，请确认前端是否发送了消息进行测试');
    }
    
  } catch (error) {
    console.error('❌ 验证过程中出错:', error.message);
  } finally {
    if (connection) {
      await connection.end();
      console.log('\n📤 数据库连接已关闭');
    }
  }
}

// 执行验证
verifyMessageStorage();