/**
 * 深度研究功能调试工具
 * 
 * 使用方法：
 * 1. 在浏览器控制台导入：import { debugResearch } from './utils/debugResearch'
 * 2. 运行测试：debugResearch.testCreateResearch('测试问题')
 */

import { researchApi } from '../services/researchApi';

export const debugResearch = {
  /**
   * 测试创建研究任务
   */
  async testCreateResearch(query: string = '什么是量子计算？') {
    console.group('🔍 测试创建研究任务');
    console.log('查询:', query);
    
    try {
      let messageCount = 0;
      let accumulatedContent = '';
      let lastMessage: any = null;
      
      const startTime = Date.now();
      
      for await (const message of researchApi.createResearch({
        query,
        output_format: 'model_detailed_report'
      })) {
        messageCount++;
        console.log(`📨 消息 #${messageCount}:`, message);
        
        if (message.content) {
          accumulatedContent += message.content;
          console.log(`📝 累积内容长度: ${accumulatedContent.length}`);
        }
        
        lastMessage = message;
        
        if (message.done) {
          console.log('✅ 收到完成标记');
          console.log('Task ID:', message.task_id);
          console.log('累积内容:', accumulatedContent);
          break;
        }
      }
      
      const duration = Date.now() - startTime;
      
      console.log('📊 统计信息:');
      console.log('- 总消息数:', messageCount);
      console.log('- 累积内容长度:', accumulatedContent.length);
      console.log('- 耗时:', `${duration}ms`);
      console.log('- 最后消息:', lastMessage);
      
      if (!lastMessage?.done) {
        console.warn('⚠️ 警告: 未收到完成标记');
      }
      
      if (!lastMessage?.task_id) {
        console.error('❌ 错误: 未收到 task_id');
      }
      
      if (!accumulatedContent) {
        console.error('❌ 错误: 未收到任何内容');
      }
      
      console.groupEnd();
      
      return {
        success: !!lastMessage?.done && !!lastMessage?.task_id,
        messageCount,
        contentLength: accumulatedContent.length,
        duration,
        taskId: lastMessage?.task_id,
        content: accumulatedContent
      };
      
    } catch (error) {
      console.error('❌ 测试失败:', error);
      console.groupEnd();
      throw error;
    }
  },
  
  /**
   * 测试原始 HTTP 请求
   */
  async testRawRequest(query: string = '什么是量子计算？') {
    console.group('🔍 测试原始 HTTP 请求');
    
    const API_BASE_URL = import.meta.env.VITE_API_BASE_URL;
    const url = `${API_BASE_URL}/api/v1/research/create`;
    
    console.log('URL:', url);
    console.log('请求体:', { query, output_format: 'model_detailed_report' });
    
    try {
      const response = await fetch(url, {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json',
          'Authorization': localStorage.getItem('token') || ''
        },
        body: JSON.stringify({
          query,
          output_format: 'model_detailed_report'
        })
      });
      
      console.log('响应状态:', response.status, response.statusText);
      console.log('响应头:', Object.fromEntries(response.headers.entries()));
      
      if (!response.ok) {
        const errorText = await response.text();
        console.error('错误响应:', errorText);
        console.groupEnd();
        return;
      }
      
      const reader = response.body?.getReader();
      if (!reader) {
        console.error('❌ 无法获取 reader');
        console.groupEnd();
        return;
      }
      
      const decoder = new TextDecoder();
      let chunkCount = 0;
      let totalBytes = 0;
      
      while (true) {
        const { done, value } = await reader.read();
        if (done) {
          console.log('✅ 流结束');
          break;
        }
        
        chunkCount++;
        totalBytes += value.length;
        
        const chunk = decoder.decode(value, { stream: true });
        console.log(`📦 Chunk #${chunkCount} (${value.length} bytes):`, chunk);
      }
      
      console.log('📊 统计:');
      console.log('- 总块数:', chunkCount);
      console.log('- 总字节数:', totalBytes);
      
      console.groupEnd();
      
    } catch (error) {
      console.error('❌ 请求失败:', error);
      console.groupEnd();
      throw error;
    }
  },
  
  /**
   * 检查环境配置
   */
  checkConfig() {
    console.group('⚙️ 环境配置检查');
    
    console.log('API Base URL:', import.meta.env.VITE_API_BASE_URL);
    console.log('Token:', localStorage.getItem('token') ? '已设置' : '未设置');
    
    const token = localStorage.getItem('token');
    if (token) {
      try {
        const payload = JSON.parse(atob(token.split('.')[1]));
        console.log('Token 信息:', payload);
      } catch (e) {
        console.error('Token 解析失败');
      }
    }
    
    console.groupEnd();
  }
};

// 在开发环境下挂载到 window 对象
if (import.meta.env.DEV) {
  (window as any).debugResearch = debugResearch;
  console.log('💡 调试工具已加载，使用 window.debugResearch 访问');
}