// 客服功能测试脚本
// 用于验证客服认证、身份判断和双向沟通功能

console.log('===== 开始客服功能测试 =====');

// 模拟用户信息和环境
const mockUserInfo = {
  customerUser: {
    id: 'test_customer_001',
    userType: null,
    type: null,
    isService: false,
    isManager: false
  },
  serviceUser: {
    id: 'test_service_001',
    userType: 'customer_service',
    type: 'service',
    isService: true,
    isManager: false
  },
  managerUser: {
    id: 'test_manager_001',
    userType: 'customer_service',
    type: 'manager',
    isService: false,
    isManager: true
  }
};

// 测试1: 用户类型判断逻辑
console.log('\n测试1: 用户类型判断逻辑');
testUserTypeDetection();

// 测试2: WebSocket消息格式
console.log('\n测试2: WebSocket消息格式');
testWebSocketMessageFormat();

// 测试3: 消息处理逻辑
console.log('\n测试3: 消息处理逻辑');
testMessageProcessing();

// 测试4: 双向通信模式
console.log('\n测试4: 双向通信模式');
testBidirectionalCommunication();

console.log('\n===== 测试完成 =====');

// 测试用户类型判断逻辑
function testUserTypeDetection() {
  console.log('- 测试用户类型判断函数');
  
  // 模拟用户类型判断函数
  function detectUserType(userInfo) {
    if (!userInfo) return 'customer';
    
    if (userInfo.userType === 'customer_service' || 
        userInfo.type === 'service' || 
        userInfo.type === 'manager' || 
        userInfo.isService || 
        userInfo.isManager) {
      return 'customer_service';
    }
    
    return 'customer';
  }
  
  // 测试各种用户类型
  const testCases = [
    { input: mockUserInfo.customerUser, expected: 'customer', desc: '普通用户' },
    { input: mockUserInfo.serviceUser, expected: 'customer_service', desc: '客服用户' },
    { input: mockUserInfo.managerUser, expected: 'customer_service', desc: '管理员用户' },
    { input: null, expected: 'customer', desc: '空用户信息' },
    { input: {}, expected: 'customer', desc: '空对象' }
  ];
  
  let passed = 0;
  let failed = 0;
  
  testCases.forEach((testCase, index) => {
    const result = detectUserType(testCase.input);
    const isPass = result === testCase.expected;
    
    if (isPass) {
      passed++;
      console.log(`  ✓ 测试${index + 1} (${testCase.desc}): 期望 ${testCase.expected}, 结果 ${result}`);
    } else {
      failed++;
      console.log(`  ✗ 测试${index + 1} (${testCase.desc}): 期望 ${testCase.expected}, 结果 ${result}`);
    }
  });
  
  console.log(`  结果: 通过 ${passed}, 失败 ${failed}`);
}

// 测试WebSocket消息格式
function testWebSocketMessageFormat() {
  console.log('- 测试WebSocket消息格式');
  
  // 模拟创建消息函数
  function createWebSocketMessage(senderId, receiverId, content, senderType) {
    return {
      type: 'chat_message',
      direction: senderType === 'customer_service' ? 'service_to_customer' : 'customer_to_service',
      data: {
        receiverId: receiverId,
        senderId: senderId,
        senderType: senderType,
        content: content,
        contentType: 1,
        timestamp: Date.now()
      }
    };
  }
  
  // 测试客服发送消息
  const serviceMsg = createWebSocketMessage(
    mockUserInfo.serviceUser.id,
    mockUserInfo.customerUser.id,
    '您好，有什么可以帮助您的吗？',
    'customer_service'
  );
  
  // 测试客户发送消息
  const customerMsg = createWebSocketMessage(
    mockUserInfo.customerUser.id,
    mockUserInfo.serviceUser.id,
    '我想咨询一下产品信息',
    'customer'
  );
  
  console.log('  客服消息格式:');
  console.log(`    - type: ${serviceMsg.type}`);
  console.log(`    - direction: ${serviceMsg.direction}`);
  console.log(`    - senderId: ${serviceMsg.data.senderId}`);
  console.log(`    - receiverId: ${serviceMsg.data.receiverId}`);
  console.log(`    - senderType: ${serviceMsg.data.senderType}`);
  
  console.log('  客户消息格式:');
  console.log(`    - type: ${customerMsg.type}`);
  console.log(`    - direction: ${customerMsg.direction}`);
  console.log(`    - senderId: ${customerMsg.data.senderId}`);
  console.log(`    - receiverId: ${customerMsg.data.receiverId}`);
  console.log(`    - senderType: ${customerMsg.data.senderType}`);
  
  // 验证必要字段
  const requiredFields = ['type', 'direction', 'data'];
  const requiredDataFields = ['receiverId', 'senderId', 'senderType', 'content', 'contentType', 'timestamp'];
  
  let hasAllRequiredFields = true;
  
  requiredFields.forEach(field => {
    if (!(field in serviceMsg)) {
      console.log(`  ✗ 消息缺少必要字段: ${field}`);
      hasAllRequiredFields = false;
    }
  });
  
  requiredDataFields.forEach(field => {
    if (!(field in serviceMsg.data)) {
      console.log(`  ✗ 消息data缺少必要字段: ${field}`);
      hasAllRequiredFields = false;
    }
  });
  
  if (hasAllRequiredFields) {
    console.log('  ✓ 消息格式验证通过');
  } else {
    console.log('  ✗ 消息格式验证失败');
  }
}

// 测试消息处理逻辑
function testMessageProcessing() {
  console.log('- 测试消息处理逻辑');
  
  // 模拟处理接收到的消息
  function processChatMessage(message, currentUserId, currentUserType) {
    if (!message || !message.data) {
      return null;
    }
    
    // 判断消息方向
    const isFromMe = message.data.senderId === currentUserId;
    const isFromService = message.data.senderType === 'customer_service';
    const isFromCustomer = message.data.senderType === 'customer';
    
    // 构建本地消息对象
    const localMessage = {
      id: message.id || Date.now().toString(),
      content: message.data.content || '',
      contentType: message.data.contentType || 1,
      timestamp: message.data.timestamp || Date.now(),
      isFromMe: isFromMe,
      senderType: message.data.senderType || 'unknown',
      serverData: message,
      status: 'received'
    };
    
    return localMessage;
  }
  
  // 测试消息
  const testMessage = {
    id: 'msg_001',
    type: 'chat_message',
    direction: 'customer_to_service',
    data: {
      receiverId: mockUserInfo.serviceUser.id,
      senderId: mockUserInfo.customerUser.id,
      senderType: 'customer',
      content: '测试消息',
      contentType: 1,
      timestamp: Date.now()
    }
  };
  
  // 从客服视角处理
  const serviceProcessed = processChatMessage(
    testMessage,
    mockUserInfo.serviceUser.id,
    'customer_service'
  );
  
  // 从客户视角处理
  const customerProcessed = processChatMessage(
    testMessage,
    mockUserInfo.customerUser.id,
    'customer'
  );
  
  console.log('  客服视角处理结果:');
  console.log(`    - 是否来自自己: ${serviceProcessed.isFromMe}`);
  console.log(`    - 发送方类型: ${serviceProcessed.senderType}`);
  console.log(`    - 内容: ${serviceProcessed.content}`);
  
  console.log('  客户视角处理结果:');
  console.log(`    - 是否来自自己: ${customerProcessed.isFromMe}`);
  console.log(`    - 发送方类型: ${customerProcessed.senderType}`);
  console.log(`    - 内容: ${customerProcessed.content}`);
  
  // 验证处理逻辑
  const isServiceLogicCorrect = !serviceProcessed.isFromMe && serviceProcessed.senderType === 'customer';
  const isCustomerLogicCorrect = customerProcessed.isFromMe && customerProcessed.senderType === 'customer';
  
  if (isServiceLogicCorrect && isCustomerLogicCorrect) {
    console.log('  ✓ 消息处理逻辑验证通过');
  } else {
    console.log('  ✗ 消息处理逻辑验证失败');
    if (!isServiceLogicCorrect) console.log('    - 客服视角处理错误');
    if (!isCustomerLogicCorrect) console.log('    - 客户视角处理错误');
  }
}

// 测试双向通信模式
function testBidirectionalCommunication() {
  console.log('- 测试双向通信模式');
  
  // 模拟对话流程
  const conversation = [
    {
      sender: 'customer',
      content: '您好，我想咨询一下产品价格',
      expectedDirection: 'customer_to_service'
    },
    {
      sender: 'service',
      content: '您好，请问您想了解哪种产品的价格呢？',
      expectedDirection: 'service_to_customer'
    },
    {
      sender: 'customer',
      content: '就是你们的主打产品',
      expectedDirection: 'customer_to_service'
    },
    {
      sender: 'service',
      content: '我们的主打产品价格是¥199，现在有优惠活动',
      expectedDirection: 'service_to_customer'
    }
  ];
  
  let conversationLog = [];
  
  conversation.forEach((msg, index) => {
    const isFromService = msg.sender === 'service';
    const senderId = isFromService ? mockUserInfo.serviceUser.id : mockUserInfo.customerUser.id;
    const receiverId = isFromService ? mockUserInfo.customerUser.id : mockUserInfo.serviceUser.id;
    const senderType = isFromService ? 'customer_service' : 'customer';
    
    const message = {
      id: `msg_${index + 1}`,
      type: 'chat_message',
      direction: msg.expectedDirection,
      data: {
        receiverId: receiverId,
        senderId: senderId,
        senderType: senderType,
        content: msg.content,
        contentType: 1,
        timestamp: Date.now() + index
      }
    };
    
    conversationLog.push({
      role: isFromService ? '客服' : '客户',
      content: msg.content,
      direction: msg.expectedDirection
    });
    
    // 验证消息方向
    if (message.direction !== msg.expectedDirection) {
      console.log(`  ✗ 消息${index + 1}方向错误: 期望${msg.expectedDirection}, 实际${message.direction}`);
    }
  });
  
  // 打印对话流程
  console.log('  双向对话流程:');
  conversationLog.forEach((msg, index) => {
    console.log(`    ${index + 1}. [${msg.role}] ${msg.content} (${msg.direction})`);
  });
  
  console.log('  ✓ 双向通信模式验证完成');
}

// 导出测试结果
module.exports = {
  mockUserInfo,
  testUserTypeDetection,
  testWebSocketMessageFormat,
  testMessageProcessing,
  testBidirectionalCommunication
};