const { PrismaClient } = require('@prisma/client');
const prisma = new PrismaClient();
const http = require('http');

async function testAudioPlayback() {
  console.log('\n🎵 音频播放完整测试\n');
  console.log('=' .repeat(60));
  
  const bookId = 5;
  
  // 步骤1：检查一个小节的音频URL
  console.log('📊 步骤1：检查音频数据\n');
  
  const subsection = await prisma.bookChapter.findFirst({
    where: {
      bookId,
      level: 3
    },
    select: {
      id: true,
      title: true,
      level: true,
      audioUrl: true,
      audioDuration: true,
      content: true,
    }
  });
  
  if (!subsection) {
    console.log('❌ 找不到小节\n');
    await prisma.$disconnect();
    return;
  }
  
  console.log(`章节: ${subsection.title}`);
  console.log(`ID: ${subsection.id}`);
  console.log(`Level: ${subsection.level}`);
  console.log(`audioUrl: ${subsection.audioUrl || '无'}`);
  console.log(`audioDuration: ${subsection.audioDuration || 0}秒`);
  console.log(`内容: ${subsection.content || '无'}\n`);
  
  // 步骤2：检查文件是否存在
  console.log('📁 步骤2：检查音频文件\n');
  
  const fs = require('fs');
  const path = require('path');
  
  const uuid = subsection.audioUrl.match(/\/uploads\/([^\/]+)\//)?.[1];
  if (!uuid) {
    console.log('❌ 无法解析UUID\n');
    await prisma.$disconnect();
    return;
  }
  
  const filePath = path.join(__dirname, 'uploads', uuid, 'output.mp3');
  console.log(`文件路径: ${filePath}`);
  
  if (fs.existsSync(filePath)) {
    const stats = fs.statSync(filePath);
    console.log(`✅ 文件存在，大小: ${(stats.size / 1024).toFixed(2)} KB\n`);
  } else {
    console.log(`❌ 文件不存在\n`);
    await prisma.$disconnect();
    return;
  }
  
  // 步骤3：测试HTTP访问
  console.log('🌐 步骤3：测试HTTP访问\n');
  
  const url = 'http://localhost:3000' + subsection.audioUrl;
  console.log(`URL: ${url}\n`);
  
  return new Promise((resolve) => {
    http.get(url, (res) => {
      console.log(`HTTP响应状态: ${res.statusCode}`);
      console.log(`Content-Type: ${res.headers['content-type']}`);
      console.log(`Content-Length: ${res.headers['content-length']} bytes\n`);
      
      if (res.statusCode === 200) {
        console.log('✅ 音频URL可以通过HTTP访问\n');
        
        // 步骤4：测试API接口
        console.log('📡 步骤4：测试API接口\n');
        
        const apiUrl = `http://localhost:3000/api/player/audio/${subsection.id}`;
        console.log(`API URL: ${apiUrl}\n`);
        
        http.get(apiUrl, { headers: { 'Content-Type': 'application/json' } }, (apiRes) => {
          let data = '';
          apiRes.on('data', chunk => data += chunk);
          apiRes.on('end', () => {
            try {
              const result = JSON.parse(data);
              console.log(`API响应状态码: ${apiRes.statusCode}`);
              console.log(`API code: ${result.code}`);
              console.log(`API message: ${result.message}\n`);
              
              if (result.data) {
                console.log('音频数据:');
                console.log(`  ID: ${result.data.id}`);
                console.log(`  标题: ${result.data.title}`);
                console.log(`  audioUrl: ${result.data.audioUrl}`);
                console.log(`  时长: ${result.data.audioDuration}秒\n`);
                
                console.log('=' .repeat(60));
                console.log('\n📋 测试总结：\n');
                console.log('✅ 所有测试通过！');
                console.log('\n前端访问地址:');
                console.log(`  http://localhost:5173/#/pages/player/index?id=${subsection.id}`);
                console.log('\n音频应该可以正常播放了！\n');
              }
            } catch (e) {
              console.log('❌ API响应解析失败:', e.message);
            }
            
            resolve();
          });
        }).on('error', (err) => {
          console.log(`❌ API请求失败: ${err.message}\n`);
          resolve();
        });
      } else {
        console.log('❌ 音频URL无法通过HTTP访问\n');
        resolve();
      }
    }).on('error', (err) => {
      console.log(`❌ HTTP请求失败: ${err.message}\n`);
      resolve();
    });
  });
}

testAudioPlayback().then(() => prisma.$disconnect()).catch(console.error);