{"repo": "barvewarrio/lyrics-replacer", "files": {"backend/services/ai.js": {"757b6fb841cfb636d172057d2b28996255f2c9fe": {"t": 1785768977.288575, "n": 22925, "h": "cec89cec17bec775", "c": "import axios from 'axios';\nimport fs from 'fs/promises';\nimport path from 'path';\nimport { fileURLToPath } from 'url';\nimport dotenv from 'dotenv';\n\ndotenv.config();\n\n// Constants\nconst API_PROVIDER = process.env.AI_PROVIDER || 'deepseek';\nconst DEEPSEEK_API_KEY = process.env.DEEPSEEK_API_KEY;\nconst OPENAI_API_KEY = process.env.OPENAI_API_KEY;\nconst USE_AI = process.env.USE_AI === 'true' || false;\n\n// MiniMax API 配置 (复用音乐生成的 key)\nconst MINIMAX_API_KEY = process.env.MINIMAX_API_KEY;\nconst MINIMAX_API_URL = 'https://api.minimaxi.com/v1/lyrics_generation';\n\n// AIHubMix API (用于歌词生成)\nconst AIHUBMIX_API_KEY = process.env.AIHUBMIX_API_KEY;\nconst AIHUBMIX_API_URL = 'https://api.aihubmix.com/v1/chat/completions';\n\n// Set up __dirname equivalent in ESM\nconst __filename = fileURLToPath(import.meta.url);\nconst __dirname = path.dirname(__filename);\n\n// Load prompt template\nconst loadPrompt = async () => {\n  try {\n    const promptPath = path.join(__dirname, '../prompt.md');\n    const promptTemplate = await fs.readFile(promptPath, 'utf-8');\n    return promptTemplate;\n  } catch (error) {\n    console.error('Error loading prompt template:', error);\n    throw new Error('Failed to load AI prompt template');\n  }\n};\n\n// Build final prompt with customization options\nconst buildFinalPrompt = (templatePrompt, options) => {\n  const { style, keywords, mood, title, artist } = options;\n\n  let finalPrompt = templatePrompt;\n\n  // Add song information if available\n  if (title || artist) {\n    finalPrompt += `\\n\\n歌曲信息: ${title || '未知标题'} - ${artist || '未知歌手'}`;\n  }\n\n  // Add style information\n  finalPrompt += `\\n\\n目标风格: ${style || '现代流行'}`;\n\n  // Add keywords if available\n  if (keywords && keywords.length > 0) {\n    finalPrompt += `\\n\\n需要融入的关键词: ${keywords.join(', ')}`;\n  }\n\n  // Add mood information\n  if (mood) {\n    const moodDescription = mood > 7 ? '积极正向' : (mood < 4 ? '消极忧伤' : '中性平和');\n    finalPrompt += `\\n\\n情感倾向: ${moodDescription} (${mood}/10)`;\n  }\n\n  // Add final instructions\n  finalPrompt += `\\n\\n请根据以上要求，创作出符合指定风格和要求的替代歌词，保持原歌词的韵律和结构。以下是原歌词:`;\n\n  return finalPrompt;\n};\n\n// 构建歌词风格描述，优先保留用户选择的原始风格与场景\nconst buildLyricsStyleInstruction = ({ style = '', scene = '' } = {}) => {\n  const normalizedStyle = (style || '').trim();\n  const sceneDescriptions = {\n    kitchen: '厨房灾难现场，做饭时的各种意外和搞笑场景',\n    gym: '健身房翻车实录，健身时的各种尴尬和失败经历',\n    shopping: '网购拆箱翻车，网购商品与预期不符的搞笑场景',\n    haircut: '理发店惊魂记，理发时的各种意外和尴尬',\n    meeting: '会议室迷惑行为，开会时的各种尴尬和搞笑场景',\n    dating: '约会翻车现场，约会时的各种意外和尴尬',\n    pet: '宠物拆家日常，宠物捣乱时的各种搞笑场景',\n    social: '社交软件翻车，使用社交软件时的各种尴尬',\n    exam: '考试翻车现场，考试时的各种意外和搞笑场景',\n    roadtrip: '自驾游迷惑操作，自驾游时的各种意外和搞笑场景'\n  };\n\n  const styleDescriptions = {\n    '幽默搞笑': '幽默搞笑，轻松诙谐，让人忍俊不禁',\n    '搞笑': '幽默搞笑，轻松诙谐，让人忍俊不禁',\n    '浪漫抒情': '浪漫抒情，细腻表达爱情与内心情感',\n    '现代都市': '现代都市，贴近现实生活与城市情感',\n    '奇幻想象': '奇幻想象，融入超现实、魔法或未来元素',\n    '自然田园': '自然田园，描绘山水四季与乡野氛围',\n    '怀旧复古': '怀旧复古，带有过去时光与经典年代感',\n    '励志奋进': '励志奋进，充满奋斗、成长与希望',\n    '哲理思考': '哲理思考，探讨人生、社会与内心成长',\n    '赛博朋克': '赛博朋克，高科技低生活的未来都市感',\n    '古风': '古典优雅，诗意盎然，富有中国传统文化韵味',\n    classic: '古典优雅，诗意盎然，富有中国传统文化韵味',\n    '现代': '现代都市，贴近生活，情感丰富',\n    modern: '现代都市，贴近生活，情感丰富',\n    '摇滚': '热情澎湃，充满力量与激情',\n    rock: '热情澎湃，充满力量与激情',\n    '浪漫': '甜蜜温柔，表达爱情与美好情感',\n    romantic: '甜蜜温柔，表达爱情与美好情感',\n    '流行': '朗朗上口，易于传唱，符合大众审美',\n    pop: '朗朗上口，易于传唱，符合大众审美',\n    '嘻哈': '节奏感强，押韵有活力',\n    hiphop: '节奏感强，押韵有活力'\n  };\n\n  const parts = [];\n  if (normalizedStyle) {\n    parts.push(styleDescriptions[normalizedStyle] ? `${normalizedStyle}（${styleDescriptions[normalizedStyle]}）` : normalizedStyle);\n  }\n  if (scene && sceneDescriptions[scene]) {\n    parts.push(`必须围绕“${sceneDescriptions[scene]}”展开`);\n  }\n\n  return parts.join('，') || '现代流行风格';\n};\n\n// ============================================\n// MiniMax 歌词生成 API\n// ============================================\n\n/**\n * 使用 MiniMax API 生成歌词\n * @param {Object} options - 生成选项\n * @param {string} options.mode - 'write_full_song' 或 'edit'\n * @param {string} options.prompt - 提示词/指令\n * @param {string} options.lyrics - 现有歌词（edit模式）\n * @param {string} options.title - 歌曲标题\n * @param {string} options.style - 风格描述\n */\nexport const generateLyricsWithMiniMax = async (options) => {\n  const {\n    mode = 'edit',\n    prompt = '',\n    lyrics = '',\n    title = '',\n    style = ''\n  } = options;\n\n  if (!MINIMAX_API_KEY) {\n    throw new Error('MiniMax API Key 未配置');\n  }\n\n  console.log('调用 MiniMax 歌词生成 API...');\n  console.log('模式:', mode);\n  console.log('标题:', title);\n  console.log('风格:', style);\n  console.log('原歌词长度:', lyrics.length);\n\n  try {\n    // 构建提示词\n    let fullPrompt = prompt;\n    if (style) {\n      fullPrompt += `，风格：${style}`;\n    }\n    if (title) {\n      fullPrompt += `，歌曲名：${title}`;\n    }\n\n    const requestBody = {\n      mode: mode,\n      prompt: fullPrompt || undefined\n    };\n\n    // edit 模式需要传入现有歌词\n    if (mode === 'edit' && lyrics) {\n      requestBody.lyrics = lyrics;\n    }\n\n    if (title) {\n      requestBody.title = title;\n    }\n\n    console.log('请求体:', JSON.stringify(requestBody, null, 2));\n\n    const response = await axios.post(\n      MINIMAX_API_URL,\n      requestBody,\n      {\n        headers: {\n          'Content-Type': 'application/json',\n          'Authorization': `Bearer ${MINIMAX_API_KEY}`\n        },\n        timeout: 120000 // 2分钟超时\n      }\n    );\n\n    console.log('MiniMax 歌词 API 响应状态:', response.status);\n\n    if (response.data.base_resp && response.data.base_resp.status_code !== 0) {\n      const errorMsg = response.data.base_resp.status_msg;\n      console.error('MiniMax 歌词生成错误:', errorMsg);\n      throw new Error(errorMsg || '歌词生成失败');\n    }\n\n    const result = {\n      success: true,\n      title: response.data.song_title,\n      style: response.data.style_tags,\n      lyrics: response.data.lyrics\n    };\n\n    console.log('歌词生成成功，标题:', result.title);\n    console.log('风格:', result.style);\n    console.log('歌词长度:', result.lyrics.length);\n\n    return result;\n\n  } catch (error) {\n    console.error('MiniMax 歌词生成失败:', error.message);\n    throw error;\n  }\n};\n\n// ============================================\n// AIHubMix 歌词生成 (使用 OpenAI 兼容格式)\n// ============================================\n\n/**\n * 使用 AIHubMix API 生成歌词\n */\nexport const generateLyricsWithAIHubMix = async (options) => {\n  const {\n    originalLyrics = '',\n    style = '',\n    title = '',\n    artist = '',\n    scene = ''\n  } = options;\n\n  if (!AIHUBMIX_API_KEY) {\n    throw new Error('AIHubMix API Key 未配置');\n  }\n\n  console.log('调用 AIHubMix 歌词生成 API...');\n  console.log('风格:', style);\n  console.log('标题:', title);\n\n  try {\n    const styleInstruction = buildLyricsStyleInstruction({ style, scene });\n\n    const systemPrompt = `你是一位专业的中文歌词创作者。请根据用户提供的原歌词，改写成指定风格的新歌词。\n\n要求：\n1. 保留原歌词的结构（行数、时间戳、段落格式）\n2. 改写后的歌词必须严格符合用户指定的风格与场景\n3. 每行歌词的字数尽量与原歌词相近\n4. 保持歌词的押韵和节奏感\n5. 只输出歌词内容，不要任何解释说明\n6. 输出格式与原歌词格式一致（保留[00:00.00]等时间标签）\n7. 如果指定了搞笑场景，歌词内容必须具体写到该场景中的动作、物品和情节\n\n重要：只输出歌词，不要输出其他内容。`;\n\n    const userPrompt = `请将以下歌词改写成【${styleInstruction}】风格：\n\n歌曲标题：${title || '未命名'}\n歌手：${artist || '未知歌手'}\n\n原歌词：\n${originalLyrics}\n\n请只输出改写后的歌词，保留原格式。`;\n\n    console.log('发送请求到 AIHubMix...');\n\n    const response = await axios.post(\n      AIHUBMIX_API_URL,\n      {\n        model: 'gpt-3.5-turbo',\n        messages: [\n          { role: 'system', content: systemPrompt },\n          { role: 'user', content: userPrompt }\n        ],\n        temperature: 0.8,\n        max_tokens: 4000\n      },\n      {\n        headers: {\n          'Content-Type': 'application/json',\n          'Authorization': `Bearer ${AIHUBMIX_API_KEY}`\n        },\n        timeout: 120000\n      }\n    );\n\n    console.log('AIHubMix API 响应状态:', response.status);\n\n    const generatedLyrics = response.data.choices[0].message.content.trim();\n\n    console.log('歌词生成成功，长度:', generatedLyrics.length);\n\n    return {\n      success: true,\n      title: title,\n      style: styleInstruction,\n      lyrics: generatedLyrics\n    };\n\n  } catch (error) {\n    console.error('AIHubMix 歌词生成失败:', error.message);\n    throw error;\n  }\n};\n\n// ============================================\n// DeepSeek 歌词生成\n// ============================================\n\n// Generate lyrics using DeepSeek API\nconst generateWithDeepSeek = async (prompt, originalLyrics) => {\n  try {\n    const response = await axios.post(\n      'https://api.deepseek.com/v1/chat/completions',\n      {\n        model: 'deepseek-chat',\n        messages: [\n          { role: 'system', content: prompt },\n          { role: 'user', content: originalLyrics }\n        ],\n        temperature: 0.7,\n        max_tokens: 4000\n      },\n      {\n        headers: {\n          'Content-Type': 'application/json',\n          'Authorization': `Bearer ${DEEPSEEK_API_KEY}`\n        }\n      }\n    );\n\n    return response.data.choices[0].message.content;\n  } catch (error) {\n    console.error('DeepSeek API error:', error.response?.data || error.message);\n    throw new Error('Failed to generate lyrics with DeepSeek API');\n  }\n};\n\n// Generate lyrics using OpenAI API\nconst generateWithOpenAI = async (prompt, originalLyrics) => {\n  try {\n    const response = await axios.post(\n      'https://api.openai.com/v1/chat/completions',\n      {\n        model: 'gpt-3.5-turbo',\n        messages: [\n          { role: 'system', content: prompt },\n          { role: 'user', content: originalLyrics }\n        ],\n        temperature: 0.7,\n        max_tokens: 2000\n      },\n      {\n        headers: {\n          'Content-Type': 'application/json',\n          'Authorization': `Bearer ${OPENAI_API_KEY}`\n        }\n      }\n    );\n\n    return response.data.choices[0].message.content;\n  } catch (error) {\n    console.error('OpenAI API error:', error.response?.data || error.message);\n    throw new Error('Failed to generate lyrics with OpenAI API');\n  }\n};\n\n// Local fallback generator\nconst generateLocal = (originalLyrics, options = {}) => {\n  console.log('Using local generation with options:', options);\n\n  const { style = 'modern', scene = '', title = '', artist = '' } = options;\n\n  // 风格名称映射 (前端中文名 -> 内部键)\n  const styleMapping = {\n    'classic': 'classic', '古风': 'classic',\n    'modern': 'modern', '现代': 'modern',\n    'rock': 'rock', '摇滚': 'rock',\n    'hiphop': 'hiphop', '嘻哈': 'hiphop',\n    'literary': 'literary', '文艺': 'literary',\n    'pop': 'pop', '流行': 'pop',\n    'romantic': 'romantic', '浪漫': 'romantic',\n    'sad': 'sad', '悲伤': 'sad',\n    '幽默搞笑': 'comedy', '搞笑': 'comedy', 'comedy': 'comedy'\n  };\n\n  const mappedStyle = styleMapping[style] || 'modern';\n\n  const styleLexicons = {\n    classic: ['旧梦', '相逢', '天涯', '回望', '流年', '长风'],\n    modern: ['夜色', '晚风', '霓虹', '路口', '匆忙', '未央'],\n    rock: ['炸响', '发烫', '上场', '点亮', '不降', '狂唱'],\n    hiphop: ['上头', '开口', '拉满', '点头', '律动', '足够'],\n    literary: ['纸页', '窗前', '字浅', '心远', '灯影', '余温'],\n    pop: ['心跳', '明亮', '回响', '登场', '绵长', '合唱'],\n    romantic: ['心动', '刚好', '拥抱', '围绕', '停靠', '发酵'],\n    sad: ['夜凉', '回忆', '眼热', '沉默', '独想', '难忘'],\n    comedy: ['笑场', '离谱', '发麻', '慌张', '乱套', '荒唐']\n  };\n\n  const sceneLexicons = {\n    kitchen: ['锅铲乱响', '油点上墙', '盐又放多', '火候失常', '菜还没熟', '围裙遭殃'],\n    gym: ['跑步太慌', '哑铃砸脚', '镜前逞强', '动作投降', '教练路过', '汗一路淌'],\n    shopping: ['拆箱翻车', '同款不像', '尺码太小', '客服太忙', '退货发光', '购物车痒'],\n    haircut: ['围布一披', '推子一响', '后背发凉', '刘海剪短', '镜子一照', '帽子戴上'],\n    meeting: ['投影一开', '发言卡壳', '同事点头', '纪要像书', '老板提问', '散会才想'],\n    dating: ['水先打翻', '话又拐弯', '气氛忽冷', '对视装稳', '手机乱响', '回家复盘'],\n    pet: ['沙发被挠', '零食被翻', '拖鞋叼走', '眼神装软', '刚收拾完', '又来一遍'],\n    social: ['消息想撤', '点开后悔', '语气不对', '已读不回', '表情救场', '越描越黑'],\n    exam: ['试卷刚发', '脑袋空白', '选择都像', '草稿写乱', '铃声一响', '交卷才会'],\n    roadtrip: ['导航带偏', '服务区停', '后备箱满', '风景还行', '油表见底', '天黑才到']\n  };\n\n  const toneLexicons = styleLexicons[mappedStyle] || styleLexicons.modern;\n  const sceneLines = sceneLexicons[scene] || toneLexicons;\n  console.log('映射后风格:', mappedStyle, '场景:', scene || 'default');\n\n  const fitToLength = (text, targetLength) => {\n    if (targetLength <= 0) return text;\n    const result = text.replace(/[，。、！]/g, '');\n    return result.length > targetLength ? result.slice(0, targetLength) : result;\n  };\n\n  const pickBestCandidate = (targetLength, candidates) => {\n    const cleanedCandidates = candidates\n      .map(item => (item || '').replace(/[，。、！]/g, ''))\n      .filter(Boolean);\n\n    const exactOrShorter = cleanedCandidates\n      .filter(item => item.length <= targetLength)\n      .sort((a, b) => b.length - a.length);\n\n    if (exactOrShorter.length > 0) {\n      return exactOrShorter[0];\n    }\n\n    const nearestLonger = cleanedCandidates\n      .sort((a, b) => a.length - b.length)[0];\n\n    return fitToLength(nearestLonger || cleanedCandidates[0] || '', targetLength);\n  };\n\n  const lines = originalLyrics.split('\\n');\n  const newLines = [];\n  let lineIndex = 0;\n\n  for (let i = 0; i < lines.length; i++) {\n    const line = lines[i];\n    const trimmedLine = line.trim();\n\n    if (!trimmedLine) {\n      newLines.push(line);\n      continue;\n    }\n\n    const labelMatch = trimmedLine.match(/^((?:\\[.*?\\])+)/);\n    const label = labelMatch ? labelMatch[1] : '';\n    const content = label ? trimmedLine.substring(label.length) : trimmedLine;\n    const cleanContent = content.trim();\n\n    if (!cleanContent) {\n      newLines.push(line);\n      continue;\n    }\n\n    if (/^[^\\s]+\\s-\\s[^\\s]+$/.test(cleanContent)) {\n      newLines.push(`${label}${title || cleanContent.split(' - ')[0]} - ${artist || cleanContent.split(' - ')[1]}`);\n      continue;\n    }\n\n    if (/^(作词|作曲|词：|曲：|编曲|监制|制作人)/.test(cleanContent)) {\n      newLines.push(line);\n      continue;\n    }\n\n    const targetLength = Math.max(4, cleanContent.replace(/[，。、！?？]/g, '').length);\n    const primary = sceneLines[lineIndex % sceneLines.length];\n    const secondary = toneLexicons[(lineIndex + 1) % toneLexicons.length];\n    const third = sceneLines[(lineIndex + 2) % sceneLines.length];\n\n    const candidate = pickBestCandidate(\n      targetLength,\n      [\n        primary,\n        secondary,\n        third,\n        `${primary}${secondary}`,\n        `${primary}${third}`,\n        `${secondary}${third}`,\n        `${primary}我却${secondary}`,\n        `${primary}${third}还在${secondary}`\n      ]\n    );\n    const newContent = fitToLength(candidate, targetLength);\n\n    newLines.push(label + newContent);\n    lineIndex++;\n  }\n\n  const result = newLines.join('\\n');\n  console.log('生成结果前100字:', result.substring(0, 100));\n  return result;\n};\n\n// Main lyrics generation function\nexport const generateLyrics = async (originalLyrics, options = {}) => {\n  try {\n    const { title, artist, theme, keywords, style, structure, lyricsIdea, useAI } = options;\n\n    // 如果明确指定不使用 AI，或环境变量 USE_AI 为 false，使用本地生成\n    if (useAI === false || (!useAI && !USE_AI)) {\n      console.log('使用本地生成模式');\n      return generateLocal(originalLyrics || '', options);\n    }\n\n    // 只有在 USE_AI=true 或 useAI=true 时才使用 AI\n    if (!USE_AI && useAI !== true) {\n      console.log('USE_AI 未启用且未指定 useAI，使用本地生成');\n      return generateLocal(originalLyrics || '', options);\n    }\n\n    // 构建生成提示\n    const prompt = `请根据以下要求创作歌词：\n\n歌曲信息：\n- 标题：${title || '未指定'}\n- 歌手：${artist || '未指定'}\n- 主题：${theme || '未指定'}\n- 关键词：${keywords?.join(', ') || '无'}\n- 风格：${style || '现代流行'}\n- 结构：${structure || 'verse-chorus'}\n${lyricsIdea ? `\\n创作思路：${lyricsIdea}` : ''}\n\n重要要求：\n1. 必须使用中文创作歌词，不要使用英文或其他语言\n2. 符合指定的主题和风格\n3. 包含提供的关键词\n4. 按照指定的结构布局\n5. 注意押韵和节奏感\n6. 情感表达真挚自然\n\n如果提供了原始歌词，请参考原始歌词的结构和韵律，但创作全新的内容。`;\n\n    // 根据 API 提供商生成\n    if (API_PROVIDER === 'deepseek' && DEEPSEEK_API_KEY) {\n      return await generateWithDeepSeek(prompt, originalLyrics || '');\n    } else if (API_PROVIDER === 'openai' && OPENAI_API_KEY) {\n      return await generateWithOpenAI(prompt, originalLyrics || '');\n    } else {\n      return generateLocal(originalLyrics || '', options);\n    }\n  } catch (error) {\n    console.error('生成歌词失败:', error);\n    throw new Error('生成歌词失败');\n  }\n};\n\n// 创建全新歌词的提示模板\nconst buildCreationPrompt = (options) => {\n  const { title, artist, theme, style, structure, keywords } = options;\n\n  let prompt = `# 歌词创作任务\n\n## 创作要求\n- 创作一首完整的原创歌词\n- 歌曲标题: ${title}\n- 演唱者: ${artist || '未知歌手'}\n- 主题: ${theme}\n- 风格: ${style || 'modern'}\n- 结构: ${structure || 'verse-chorus'}`;\n\n  // 添加关键词\n  if (keywords && keywords.length > 0) {\n    prompt += `\\n- 需要包含的关键词: ${keywords.join(', ')}`;\n  }\n\n  // 添加结构说明\n  prompt += `\\n\\n## 歌词结构说明`;\n\n  if (structure === 'verse-chorus') {\n    prompt += `\n- 主歌(Verse): 2段，每段4-6行\n- 副歌(Chorus): 1段，4-6行，需要有记忆点和情感高潮\n- 结构顺序: 主歌1 → 副歌 → 主歌2 → 副歌`;\n  } else if (structure === 'verse-chorus-bridge') {\n    prompt += `\n- 主歌(Verse): 2段，每段4-6行\n- 副歌(Chorus): 2段，每段4-6行\n- 桥段(Bridge): 1段，3-4行，提供情感转折或深化\n- 结构顺序: 主歌1 → 副歌 → 主歌2 → 副歌 → 桥段 → 副歌`;\n  } else if (structure === 'verse-only') {\n    prompt += `\n- 纯主歌结构: 3-4段，每段5-8行\n- 可以有细微的变化，但不需要明显的副歌部分`;\n  } else {\n    prompt += `\n- 自由结构: 创作一首结构自由的歌词，总长度在20-30行左右\n- 确保有情感起伏和故事发展`;\n  }\n\n  // 添加风格说明\n  prompt += `\\n\\n## 风格说明`;\n\n  const styleDescriptions = {\n    romantic: '浪漫抒情，表达爱情与内心情感，可以是甜蜜告白、思念、离别或复杂情感',\n    modern: '现代都市，描写都市生活、职场故事、城市情感等现代主题',\n    fantasy: '奇幻想象，融入超现实元素，如魔法世界、异次元旅行、未来科技或神话传说',\n    nature: '自然田园，描绘自然风光与乡村生活，四季变换、山水之美或返璞归真的生活态度',\n    nostalgic: '怀旧复古，回忆过去时光，童年记忆、老物件、经典年代或历史场景',\n    inspirational: '励志奋进，表达奋斗精神、不屈意志、追梦历程或成长蜕变',\n    philosophical: '哲理思考，探讨人生意义、社会现象、价值观或心灵成长',\n    cyberpunk: '赛博朋克，描绘高科技与低生活，未来都市、人工智能、虚拟现实或科技反思'\n  };\n\n  prompt += `\\n- ${styleDescriptions[style] || '创作一首符合主题的现代流行歌词，注重情感表达和故事性'}`;\n\n  // 添加最终指示\n  prompt += `\\n\\n## 输出要求\n- 直接输出完整歌词，不要包含任何解释或说明\n- 按照指定结构分段，每段之间留一个空行\n- 不要标注\"主歌\"、\"副歌\"等标签\n- 确保歌词通顺、有意境，符合现代流行歌曲的表达方式\n- 总字数控制在200-300字左右\n\n请开始创作:`;\n\n  return prompt;\n};\n\n// 创建全新歌词\nexport const createLyrics = async (options = {}) => {\n  try {\n    // Check if AI generation is enabled\n    if (!USE_AI) {\n      console.log('Using local lyrics creation');\n      return generateLocalCreation(options);\n    }\n\n    // Build creation prompt\n    const creationPrompt = buildCreationPrompt(options);\n    console.log('创建歌词提示:', creationPrompt);\n\n    // Generate lyrics based on selected provider\n    if (API_PROVIDER === 'deepseek' && DEEPSEEK_API_KEY) {\n      console.log('Using DeepSeek API for lyrics creation');\n      return await generateWithDeepSeek(creationPrompt, '');\n    } else if (API_PROVIDER === 'openai' && OPENAI_API_KEY) {\n      console.log('Using OpenAI API for lyrics creation');\n      return await generateWithOpenAI(creationPrompt, '');\n    } else {\n      console.log('No valid API configuration found, using local creation');\n      return generateLocalCreation(options);\n    }\n  } catch (error) {\n    console.error('Error creating lyrics:', error);\n    throw new Error('Failed to create new lyrics');\n  }\n};\n\n// 本地创建歌词（备用方案）\nconst generateLocalCreation = (options = {}) => {\n  console.log('Using local lyrics creation with options:', options);\n\n  const { title, theme, style } = options;\n\n  // 根据主题和风格生成不同的模板歌词\n  if (style === 'romantic') {\n    return `星空下的约定\n\n当繁星点亮夜空\n我想起你的眼眸\n那闪烁的光芒\n照亮我心中的角落\n\n每一次与你相遇\n都像是命中注定\n时间在我们之间流淌\n却带不走心中的温柔\n\n无论相隔多远\n我的心始终为你跳动\n就像星星守护着月亮\n永不分离\n\n让我们在星空下许下约定\n用一生去兑现\n无论风雨如何变幻\n我们的爱永不改变`;\n  } else if (style === 'inspirational') {\n    return `追逐梦想\n\n站在起点的那一刻\n心中充满了不安\n未知的道路在前方延伸\n却依然选择勇敢前行\n\n跌倒了再爬起\n失败了再尝试\n每一次挫折都是礼物\n让我变得更加坚强\n\n追逐梦想的路上\n没有捷径可走\n只有不断努力\n才能看见希望的光\n\n即使前方荆棘密布\n我依然不会停下脚步\n因为我知道\n梦想的花终将绽放`;\n  } else {\n    // 默认现代风格\n    return `城市的声音\n\n霓虹灯闪烁的夜晚\n车流穿梭在街道间\n我站在高楼之上\n聆听这座城市的声音\n\n忙碌的脚步声\n此起彼伏的交谈\n构成了都市的交响乐\n演奏着生活的旋律\n\n在这钢筋水泥的森林\n我们寻找着自己的位置\n迷失又找寻\n孤独又相连\n\n城市啊，你是冷漠的\n却也包容着每个灵魂\n让我们在这里相遇\n编织属于自己的故事`;\n  }\n};\n\n// 获取推荐关键词\nexport const getRecommendedKeywords = async (theme, style) => {\n  try {\n    if (!USE_AI) {\n      // 本地关键词推荐\n      const localKeywords = {\n        romantic: ['爱情', '思念', '温柔', '浪漫', '心跳', '拥抱', '微笑', '甜蜜'],\n        modern: ['都市', '生活', '梦想', '奋斗', '压力', '希望', '改变', '未来'],\n        fantasy: ['梦境', '星空', '魔法', '童话', '想象', '奇迹', '飞翔', '神秘'],\n        nature: ['山川', '河流', '阳光', '花草', '季节', '风雨', '大地', '生命'],\n        nostalgic: ['回忆', '青春', '岁月', '故事', '时光', '往事', '怀念', '成长'],\n        inspirational: ['勇气', '力量', '信念', '坚持', '胜利', '拼搏', '追求', '成功'],\n        philosophical: ['人生', '真理', '智慧', '探索', '意义', '哲思', '永恒', '命运'],\n        cyberpunk: ['科技', '未来', '机械', '虚拟', '霓虹', '数字', '黑客', '都市']\n      };\n\n      const themeKeywords = theme ? [theme] : [];\n      const styleKeywords = style && localKeywords[style] ? localKeywords[style].slice(0, 5) : [];\n\n      return [...themeKeywords, ...styleKeywords];\n    }\n\n    // 使用 AI API 生成推荐关键词\n    const prompt = `请根据以下主题和风格，推荐5-8个相关的歌词关键词：\n主题：${theme || '无特定主题'}\n风格：${style || '现代流行'}\n\n要求：\n1. 关键词要简洁有力，通常是2-4个汉字\n2. 关键词要符合主题和风格特点\n3. 关键词之间要有关联性\n4. 只需要返回关键词列表，用逗号分隔\n\n示例输出格式：\n心跳,微笑,拥抱,温柔,浪漫,思念`;\n\n    let response;\n    if (API_PROVIDER === 'deepseek' && DEEPSEEK_API_KEY) {\n      response = await generateWithDeepSeek(prompt, '');\n    } else if (API_PROVIDER === 'openai' && OPENAI_API_KEY) {\n      response = await generateWithOpenAI(prompt, '');\n    }\n\n    // 处理响应，提取关键词\n    const keywords = response\n      .split(',')\n      .map(k => k.trim())\n      .filter(k => k.length > 0);\n\n    return keywords;\n  } catch (error) {\n    console.error('获取推荐关键词失败:', error);\n    throw new Error('获取推荐关键词失败');\n  }\n};\n\n// 一键生成所有内容\nexport const generateAll = async (options = {}) => {\n  try {\n    if (!USE_AI) {\n      // 本地生成示例\n      return {\n        title: '追梦人',\n        artist: '星辰乐队',\n        theme: '追求梦想',\n        keywords: ['梦想', '奋斗', '希望', '未来', '勇气'],\n        lyrics: `追逐梦想的脚步不停歇\n风雨中我依然坚持着\n即使道路充满了荆棘\n也无法阻挡我前进的决心\n\n看那天边的星光闪耀\n照亮我追梦的道路\n让我找到前进的方向\n不再迷失在黑暗中\n\n[副歌]\n我是追梦的勇者\n永不言弃永不放弃\n心中的火焰不熄灭\n直到梦想变成现实\n\n让我们一起追逐梦想\n用汗水浇灌希望\n未来的道路虽然漫长\n但我们的心永远坚强\n\n[副歌]\n我是追梦的勇者\n永不言弃永不放弃\n心中的火焰不熄灭\n直到梦想变成现实`\n      };\n    }\n\n    const { lyricsIdea, style, structure } = options;\n\n    // 构建生成提示\n    const prompt = `请根据以下要求，创作一首完整的原创歌曲内容：\n\n创作要求：\n1. 生成歌曲标题（简洁有力）\n2. 创作歌手/乐队名称\n3. 确定创作主题\n4. 推荐5个关键词\n5. 创作完整歌词\n\n${lyricsIdea ? `歌词创作思路：${lyricsIdea}` : ''}\n风格：${style || '现代流行'}\n结构：${structure || 'verse-chorus'}\n\n请按以下格式返回：\n标题：xxx\n歌手：xxx\n主题：xxx\n关键词：xxx,xxx,xxx,xxx,xxx\n歌词：\nxxx\nxxx\nxxx`;\n\n    let response;\n    if (API_PROVIDER === 'deepseek' && DEEPSEEK_API_KEY) {\n      response = await generateWithDeepSeek(prompt, '');\n    } else if (API_PROVIDER === 'openai' && OPENAI_API_KEY) {\n      response = await generateWithOpenAI(prompt, '');\n    }\n\n    // 解析响应\n    const lines = response.split('\\n');\n    const result = {\n      title: '',\n      artist: '',\n      theme: '',\n      keywords: [],\n      lyrics: ''\n    };\n\n    let isLyrics = false;\n    for (const line of lines) {\n      if (line.startsWith('标题：')) {\n        result.title = line.replace('标题：', '').trim();\n      } else if (line.startsWith('歌手：')) {\n        result.artist = line.replace('歌手：', '').trim();\n      } else if (line.startsWith('主题：')) {\n        result.theme = line.replace('主题：', '').trim();\n      } else if (line.startsWith('关键词：')) {\n        result.keywords = line\n          .replace('关键词：', '')\n          .split(',')\n          .map(k => k.trim())\n          .filter(k => k.length > 0);\n      } else if (line.startsWith('歌词：')) {\n        isLyrics = true;\n      } else if (isLyrics) {\n        result.lyrics += line + '\\n';\n      }\n    }\n\n    return result;\n  } catch (error) {\n    console.error('一键生成失败:', error);\n    throw new Error('一键生成失败');\n  }\n};"}}, "backend/index.js": {"757b6fb841cfb636d172057d2b28996255f2c9fe": {"t": 1785768980.3093376, "n": 53235, "h": "5c7ea195420a0a8f", "c": "import http from 'node:http';\nimport { join, dirname } from 'path';\nimport { fileURLToPath } from 'url';\nimport dotenv from 'dotenv';\nimport fs from 'fs';\nimport { initDatabase, query, execute } from './config/database.js';\nimport { initDatabase as initLyricsReplacementsTable, getLyricsReplacements, saveLyricsReplacement } from './services/database.js';\nimport { searchLyrics } from './services/search.js';\nimport { generateLyrics, createLyrics, generateLyricsWithMiniMax, generateLyricsWithAIHubMix } from './services/ai.js';\nimport { getLyricsStats } from './services/lyrics-db.js';\nimport { generateMusic } from './services/music.js';\nimport { createMiniMaxMusicGeneration, getMiniMaxMusicStatus } from './services/minimax-music.js';\nimport { getApiConfigs } from './migrations/init-api-configs.js';\nimport url from 'url';\nimport axios from 'axios';\n\n// Load environment variables\ndotenv.config();\n\n// Set up __dirname equivalent in ESM\nconst __filename = fileURLToPath(import.meta.url);\nconst __dirname = dirname(__filename);\n\n// 解析查询参数\nconst parseQueryParams = (reqUrl) => {\n  const parsedUrl = url.parse(reqUrl, true);\n  return parsedUrl.query;\n};\n\n// 解析请求体JSON\nconst parseJsonBody = async (req) => {\n  return new Promise((resolve, reject) => {\n    let body = '';\n    req.on('data', chunk => {\n      body += chunk.toString();\n    });\n    req.on('end', () => {\n      try {\n        if (body) {\n          resolve(JSON.parse(body));\n        } else {\n          resolve({});\n        }\n      } catch (error) {\n        reject(error);\n      }\n    });\n    req.on('error', (error) => {\n      reject(error);\n    });\n  });\n};\n\n// 设置CORS头\nconst setCorsHeaders = (res) => {\n  res.setHeader('Access-Control-Allow-Origin', '*');\n  res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');\n  res.setHeader('Access-Control-Allow-Headers', 'Content-Type');\n};\n\n// 返回JSON响应\nconst sendJsonResponse = (res, data, statusCode = 200) => {\n  res.statusCode = statusCode;\n  res.setHeader('Content-Type', 'application/json');\n  res.end(JSON.stringify(data));\n};\n\nconst getSceneDescription = (scene) => {\n  const sceneDescriptions = {\n    kitchen: '厨房灾难现场，做饭时的各种意外和搞笑场景',\n    gym: '健身房翻车实录，健身时的各种尴尬和失败经历',\n    shopping: '网购拆箱翻车，网购商品与预期不符的搞笑场景',\n    haircut: '理发店惊魂记，理发时的各种意外和尴尬',\n    meeting: '会议室迷惑行为，开会时的各种尴尬和搞笑场景',\n    dating: '约会翻车现场，约会时的各种意外和尴尬',\n    pet: '宠物拆家日常，宠物捣乱时的各种搞笑场景',\n    social: '社交软件翻车，使用社交软件时的各种尴尬',\n    exam: '考试翻车现场，考试时的各种意外和搞笑场景',\n    roadtrip: '自驾游迷惑操作，自驾游时的各种意外和搞笑场景'\n  };\n\n  return sceneDescriptions[scene] || scene || '';\n};\n\n// 处理API请求\nconst handleApiRequest = async (req, res, parsedUrl) => {\n  // 设置CORS头\n  setCorsHeaders(res);\n\n  // 处理预检请求\n  if (req.method === 'OPTIONS') {\n    res.statusCode = 204;\n    res.end();\n    return;\n  }\n\n  try {\n    // API路由处理\n    const path = parsedUrl.pathname;\n\n    // 搜索歌词\n    if (path === '/api/search/lyrics' && req.method === 'GET') {\n      const queryParams = parseQueryParams(req.url);\n      const query = queryParams.query;\n      const userId = queryParams.userId;\n\n      if (!query) {\n        return sendJsonResponse(res, { success: false, message: '搜索内容不能为空' }, 400);\n      }\n\n      const results = await searchLyrics(query, userId);\n      return sendJsonResponse(res, { success: true, data: results });\n    }\n\n    // 通过歌曲名搜索歌曲 (vkeys.cn API)\n    if (path === '/api/search/song' && req.method === 'GET') {\n      const queryParams = parseQueryParams(req.url);\n      const word = queryParams.word;\n      const userId = queryParams.userId;\n\n      if (!word) {\n        return sendJsonResponse(res, { success: false, message: '歌曲名不能为空' }, 400);\n      }\n\n      try {\n        console.log('收到歌曲名搜索请求:', word, userId ? `用户ID: ${userId}` : '');\n\n        // 调用 vkeys.cn API 搜索歌曲\n        const response = await axios.get('https://api.vkeys.cn/v2/music/tencent/search/song', {\n          params: { word },\n          timeout: 10000\n        });\n\n        // 检查API响应\n        if (response.data && response.data.code === 200 && Array.isArray(response.data.data)) {\n          const songs = response.data.data;\n          console.log(`搜索成功: 找到 ${songs.length} 首与\"${word}\"相关的歌曲`);\n          console.log(`歌曲详情: ${JSON.stringify(songs.slice(0, 2))}`); // 只打印前两首歌的详情，避免日志过长\n\n          return sendJsonResponse(res, {\n            success: true,\n            data: songs\n          });\n        } else {\n          console.log(`搜索失败: 未找到与\"${word}\"相关的歌曲`);\n          console.log(`API响应: ${JSON.stringify(response.data)}`);\n          return sendJsonResponse(res, {\n            success: false,\n            message: '未找到相关歌曲',\n            data: []\n          });\n        }\n      } catch (error) {\n        console.error('歌曲搜索失败:', error);\n        console.error('错误详情:', error.response ? JSON.stringify(error.response.data) : '无响应数据');\n        return sendJsonResponse(res, {\n          success: false,\n          message: '腾讯音乐搜索暂时不可用',\n          data: []\n        });\n      }\n    }\n\n    // 通过歌曲ID获取歌词 (vkeys.cn API)\n    if (path === '/api/search/lyric' && req.method === 'GET') {\n      const queryParams = parseQueryParams(req.url);\n      const id = queryParams.id;\n      const userId = queryParams.userId;\n\n      if (!id) {\n        return sendJsonResponse(res, { success: false, message: '歌曲ID不能为空' }, 400);\n      }\n\n      try {\n        console.log('收到歌词ID搜索请求:', id, userId ? `用户ID: ${userId}` : '');\n\n        // 调用 vkeys.cn API 获取歌词\n        const response = await axios.get('https://api.vkeys.cn/v2/music/tencent/lyric', {\n          params: { id },\n          timeout: 10000\n        });\n\n        // 检查API响应\n        if (response.data && response.data.code === 200 && response.data.data && response.data.data.lrc) {\n          console.log(`获取歌词成功: 歌曲ID ${id}`);\n          console.log(`歌词前100个字符: ${response.data.data.lrc.substring(0, 100)}...`);\n\n          return sendJsonResponse(res, {\n            success: true,\n            data: response.data.data\n          });\n        } else {\n          console.log(`获取歌词失败: 歌曲ID ${id} 未找到歌词`);\n          console.log(`API响应: ${JSON.stringify(response.data)}`);\n          return sendJsonResponse(res, {\n            success: false,\n            message: '未找到该歌曲的歌词',\n            data: null\n          });\n        }\n      } catch (error) {\n        console.error('获取歌词失败:', error);\n        console.error('错误详情:', error.response ? JSON.stringify(error.response.data) : '无响应数据');\n        return sendJsonResponse(res, {\n          success: false,\n          message: error.message || '获取歌词失败'\n        }, 500);\n      }\n    }\n\n    // 获取歌词替换历史\n    if (path === '/api/lyrics/history' && req.method === 'GET') {\n      const queryParams = parseQueryParams(req.url);\n      const userId = queryParams.userId;\n\n      try {\n        const history = await getLyricsReplacements(userId || null);\n        return sendJsonResponse(res, { success: true, data: history });\n      } catch (error) {\n        console.error('获取歌词替换历史失败:', error);\n        return sendJsonResponse(res, { success: false, message: '获取历史记录失败' }, 500);\n      }\n    }\n\n    // 生成歌词\n    if (path === '/api/lyrics/generate' && req.method === 'POST') {\n      console.log('收到生成歌词请求');\n      const body = await parseJsonBody(req);\n      console.log('请求体:', {\n        songId: body.songId,\n        title: body.title,\n        artist: body.artist,\n        style: body.style,\n        mode: body.mode,\n        originalLyrics: body.originalLyrics ? body.originalLyrics.substring(0, 50) + '...' : null\n      });\n\n      // 获取原始歌词 (从请求体或数据库)\n      let originalLyrics = body.originalLyrics;\n      let songInfo = { title: body.title, artist: body.artist };\n\n      if (!originalLyrics && body.songId) {\n        // 从数据库获取歌曲信息\n        try {\n          const [songs] = await query('SELECT * FROM songs WHERE id = ?', [body.songId]);\n          if (songs && songs.length > 0) {\n            originalLyrics = songs[0].lyrics;\n            songInfo.title = songs[0].title;\n            songInfo.artist = songs[0].artist;\n            console.log('从数据库获取歌词成功');\n          }\n        } catch (error) {\n          console.error('获取歌词失败:', error);\n        }\n      }\n\n      if (!originalLyrics) {\n        console.log('错误: 原始歌词为空');\n        return sendJsonResponse(res, { success: false, message: '原始歌词不能为空' }, 400);\n      }\n\n      // 优先走 AI 生成：先尝试 MiniMax，若套餐不支持等失败再自动切换 AIHubMix\n      const useAI = body.mode !== 'local';\n      console.log('生成模式:', useAI ? 'AI生成' : '本地生成', '(mode:', body.mode, ')');\n\n      // 准备生成选项\n      const generationOptions = {\n        style: body.style || 'modern',\n        keywords: body.keywords || [],\n        mood: body.mood || 5,\n        title: songInfo.title,\n        artist: songInfo.artist,\n        scene: body.scene || '',\n        useAI: useAI\n      };\n\n      console.log('生成选项:', generationOptions);\n\n      try {\n        // 生成替换歌词\n        console.log('开始生成替换歌词...');\n        let replacedLyrics;\n        let lyricsTitle = songInfo.title;\n\n        if (useAI) {\n          // 优先使用 MiniMax AI 生成歌词；若套餐不支持、额度限制或接口失败，则自动切换到 AIHubMix\n          if (process.env.MINIMAX_API_KEY) {\n            try {\n              const minimaxPromptStyle = body.scene\n                ? `${body.style || '现代流行'}，并且歌词内容必须严格围绕${getSceneDescription(body.scene)}`\n                : (body.style || '现代流行');\n\n              console.log('使用 MiniMax AI 生成歌词...');\n              const miniMaxResult = await generateLyricsWithMiniMax({\n                mode: 'edit',\n                prompt: `将以下歌词改写成${minimaxPromptStyle}风格，保留原歌词的结构、时间戳和韵律，只输出改写后的中文歌词`,\n                lyrics: originalLyrics,\n                title: songInfo.title,\n                style: minimaxPromptStyle\n              });\n              replacedLyrics = miniMaxResult.lyrics;\n              lyricsTitle = miniMaxResult.title || songInfo.title;\n              console.log('MiniMax 歌词生成成功');\n            } catch (miniMaxError) {\n              console.log('MiniMax 生成失败，尝试 AIHubMix:', miniMaxError.message);\n              // 如果 MiniMax 失败，尝试 AIHubMix\n              if (process.env.AIHUBMIX_API_KEY) {\n                try {\n                  const aihubResult = await generateLyricsWithAIHubMix({\n                    originalLyrics: originalLyrics,\n                    style: body.style,\n                    title: songInfo.title,\n                    artist: songInfo.artist,\n                    scene: body.scene || ''\n                  });\n                  replacedLyrics = aihubResult.lyrics;\n                  console.log('AIHubMix 歌词生成成功');\n                } catch (aihubError) {\n                  console.log('AIHubMix 生成失败，回退到本地生成:', aihubError.message);\n                  replacedLyrics = await generateLyrics(originalLyrics, {\n                    ...generationOptions,\n                    useAI: false\n                  });\n                }\n              } else {\n                console.log('未配置 AIHubMix API Key，回退到本地生成');\n                replacedLyrics = await generateLyrics(originalLyrics, {\n                  ...generationOptions,\n                  useAI: false\n                });\n              }\n            }\n          } else if (process.env.AIHUBMIX_API_KEY) {\n            // 直接使用 AIHubMix\n            console.log('使用 AIHubMix AI 生成歌词...');\n            const aihubResult = await generateLyricsWithAIHubMix({\n              originalLyrics: originalLyrics,\n              style: body.style,\n              title: songInfo.title,\n              artist: songInfo.artist,\n              scene: body.scene || ''\n            });\n            replacedLyrics = aihubResult.lyrics;\n            console.log('AIHubMix 歌词生成成功');\n          } else {\n            // 没有 AI Key，使用本地生成\n            console.log('没有 AI API Key，使用本地生成...');\n            replacedLyrics = await generateLyrics(originalLyrics, generationOptions);\n          }\n        } else {\n          // 本地生成模式\n          console.log('使用本地生成...');\n          replacedLyrics = await generateLyrics(originalLyrics, generationOptions);\n        }\n\n        console.log('生成完成，结果:', replacedLyrics ? replacedLyrics.substring(0, 50) + '...' : null);\n\n        // 保存到歌词替换表\n        console.log('保存到歌词替换表...');\n        const replacementId = await saveLyricsReplacement({\n          title: lyricsTitle || 'Unknown',\n          artist: songInfo.artist || 'Unknown',\n          originalLyrics: originalLyrics,\n          replacedLyrics,\n          style: body.style || '默认',\n          timestamp: new Date(),\n          userId: body.userId,\n          originalSongId: body.songId\n        });\n        console.log('保存成功，ID:', replacementId);\n\n        // 构建响应数据\n        const responseData = {\n          success: true,\n          data: {\n            replacementId,\n            originalLyrics: originalLyrics,\n            replacedLyrics,\n            generated: replacedLyrics, // 添加generated字段，与前端匹配\n            options: generationOptions\n          }\n        };\n        console.log('发送响应:', {\n          success: true,\n          replacementId,\n          replacedLyrics: replacedLyrics ? replacedLyrics.substring(0, 50) + '...' : null\n        });\n\n        return sendJsonResponse(res, responseData);\n      } catch (error) {\n        console.error('生成替换歌词失败:', error);\n        return sendJsonResponse(res, {\n          success: false,\n          message: error.message || '生成替换歌词失败'\n        }, 500);\n      }\n    }\n\n    // 一键生成全部内容\n    if (path === '/api/lyrics/generate-all' && req.method === 'POST') {\n      console.log('收到一键生成全部内容请求');\n      const body = await parseJsonBody(req);\n      console.log('请求体:', {\n        lyricsIdea: body.lyricsIdea,\n        style: body.style,\n        structure: body.structure\n      });\n\n      if (!body.lyricsIdea) {\n        console.log('错误: 歌词创作理念为空');\n        return sendJsonResponse(res, { success: false, message: '歌词创作理念不能为空' }, 400);\n      }\n\n      try {\n        // 使用AI生成歌曲标题、艺术家、主题和关键词\n        console.log('开始生成歌曲信息...');\n\n        // 构建提示词\n        const prompt = `根据以下歌词创作理念，生成一个合适的歌曲标题、艺术家名称、主题和5个关键词：\n\n        歌词创作理念: ${body.lyricsIdea}\n        风格: ${body.style || '现代流行'}\n        结构: ${body.structure || '标准'}\n\n        请以JSON格式返回，包含title(歌曲标题)、artist(艺术家名称)、theme(主题)、keywords(关键词数组)字段。\n\n        重要要求：\n        1. 所有内容必须使用中文，不要使用英文或其他语言\n        2. 歌曲标题应该是中文，不超过10个字\n        3. 艺术家名称应该是中文名字，可以是虚构的\n        4. 主题应该是简短的中文描述\n        5. 关键词应该是5个中文短语，每个1-3个字\n\n        示例格式:\n        {\n          \"title\": \"夏日晚风\",\n          \"artist\": \"陈明月\",\n          \"theme\": \"夏日回忆\",\n          \"keywords\": [\"夏天\", \"晚风\", \"回忆\", \"青春\", \"温柔\"]\n        }\n\n        请确保返回的是有效的JSON格式，不要添加其他文本。`;\n\n        // 调用AI生成\n        const songInfo = await generateLyrics(prompt, { style: 'json' });\n        console.log('歌曲信息生成结果:', songInfo);\n\n        // 解析JSON结果\n        let parsedInfo;\n        try {\n          // 尝试提取JSON部分\n          const jsonMatch = songInfo.match(/\\{[\\s\\S]*?\\}/);\n          if (jsonMatch) {\n            parsedInfo = JSON.parse(jsonMatch[0]);\n          } else {\n            throw new Error('无法提取JSON数据');\n          }\n        } catch (parseError) {\n          console.error('解析AI生成的JSON失败:', parseError);\n          // 使用默认值\n          parsedInfo = {\n            title: '新歌',\n            artist: '未知艺术家',\n            theme: body.lyricsIdea.substring(0, 20),\n            keywords: ['音乐', '歌词', '创作']\n          };\n        }\n\n        // 确保所有内容都是中文\n        if (/^[a-zA-Z\\s]+$/.test(parsedInfo.title) ||\n            /^[a-zA-Z\\s]+$/.test(parsedInfo.artist) ||\n            /^[a-zA-Z\\s]+$/.test(parsedInfo.theme) ||\n            parsedInfo.keywords.some(k => /^[a-zA-Z\\s]+$/.test(k))) {\n          console.log('检测到英文内容，使用默认中文值');\n          parsedInfo = {\n            title: '心情故事',\n            artist: '陈明星',\n            theme: body.lyricsIdea.substring(0, 20),\n            keywords: ['感动', '回忆', '思念', '希望', '温暖']\n          };\n        }\n\n        // 生成歌词\n        console.log('开始生成歌词...');\n        const lyricsPrompt = `请根据以下信息创作一首完整的歌词：\n\n        歌曲标题: ${parsedInfo.title}\n        艺术家: ${parsedInfo.artist}\n        主题: ${parsedInfo.theme}\n        关键词: ${parsedInfo.keywords.join(', ')}\n        风格: ${body.style || '现代流行'}\n        结构: ${body.structure || '标准'}\n        创作理念: ${body.lyricsIdea}\n\n        重要要求：\n        1. 必须使用中文创作歌词，不要使用英文或其他语言\n        2. 歌词应该完整、有意义、符合主题\n        3. 包含至少两段主歌和副歌\n        4. 注意押韵和节奏感\n        5. 情感表达真挚自然\n        6. 可以适当使用\"主歌1\"、\"副歌\"等标记来区分歌词结构\n\n        请创作一首完整的中文歌词。`;\n\n        const lyrics = await generateLyrics(lyricsPrompt, { style: body.style });\n        console.log('歌词生成完成，结果:', lyrics ? lyrics.substring(0, 50) + '...' : null);\n\n        // 检查生成的歌词是否为英文\n        if (/^[\\s\\n]*[A-Za-z*]+/.test(lyrics)) {\n          console.log('检测到英文歌词，重新生成中文歌词');\n\n          // 重新生成中文歌词\n          const zhLyricsPrompt = `请用中文创作一首歌词，标题为\"${parsedInfo.title}\"，风格为\"${body.style || '现代流行'}\"，\n          主题是\"${parsedInfo.theme}\"，包含以下关键词：${parsedInfo.keywords.join('，')}。\n\n          创作理念: ${body.lyricsIdea}\n\n          请确保：\n          1. 必须使用中文创作，不要使用任何英文\n          2. 歌词应该有完整的结构，包括主歌和副歌\n          3. 情感表达要真挚自然\n          4. 符合中文歌词的押韵和节奏习惯`;\n\n          const zhLyrics = await generateLyrics(zhLyricsPrompt, { style: body.style });\n          console.log('中文歌词重新生成完成，结果:', zhLyrics ? zhLyrics.substring(0, 50) + '...' : null);\n\n          // 使用重新生成的中文歌词\n          if (zhLyrics) {\n            return zhLyrics;\n          }\n          // 如果重新生成失败，仍然使用原来的歌词\n          return lyrics;\n        }\n\n        // 保存到歌词创作表\n        console.log('保存到歌词创作表...');\n        const creationId = await saveLyricsReplacement({\n          title: parsedInfo.title,\n          artist: parsedInfo.artist,\n          originalLyrics: `创作理念: ${body.lyricsIdea}\\n风格: ${body.style || '现代流行'}\\n结构: ${body.structure || '标准'}`,\n          replacedLyrics: lyrics,\n          style: body.style || '默认',\n          timestamp: new Date(),\n          userId: body.userId\n        });\n        console.log('保存成功，ID:', creationId);\n\n        // 构建响应数据\n        return sendJsonResponse(res, {\n          success: true,\n          title: parsedInfo.title,\n          artist: parsedInfo.artist,\n          theme: parsedInfo.theme,\n          keywords: parsedInfo.keywords,\n          lyrics: lyrics\n        });\n      } catch (error) {\n        console.error('一键生成全部内容失败:', error);\n        return sendJsonResponse(res, {\n          success: false,\n          message: error.message || '一键生成全部内容失败'\n        }, 500);\n      }\n    }\n\n    // 获取推荐关键词\n    if (path === '/api/keywords/recommend' && req.method === 'GET') {\n      console.log('收到获取推荐关键词请求');\n      const queryParams = parseQueryParams(req.url);\n      const theme = queryParams.theme;\n      const style = queryParams.style;\n\n      if (!theme) {\n        return sendJsonResponse(res, { success: false, message: '主题不能为空' }, 400);\n      }\n\n      try {\n        console.log(`根据主题\"${theme}\"和风格\"${style}\"生成推荐关键词`);\n\n        // 构建提示词\n        const prompt = `请根据以下主题和风格，生成5-8个适合用于歌词创作的关键词：\n\n        主题: ${theme}\n        风格: ${style || '现代流行'}\n\n        请以JSON格式返回一个关键词数组，每个关键词应该是1-3个字的中文短语。\n\n        示例格式:\n        [\"关键词1\", \"关键词2\", \"关键词3\", \"关键词4\", \"关键词5\"]\n\n        或者:\n        {\n          \"keywords\": [\"关键词1\", \"关键词2\", \"关键词3\", \"关键词4\", \"关键词5\"]\n        }\n\n        请确保返回的是有效的JSON格式，不要添加其他文本。`;\n\n        // 调用AI生成\n        const keywordsResult = await generateLyrics(prompt, { style: 'json' });\n        console.log('关键词生成结果:', keywordsResult);\n\n        // 解析JSON结果\n        let keywords;\n        try {\n          // 尝试提取JSON数组部分\n          const jsonMatch = keywordsResult.match(/\\[[\\s\\S]*?\\]/);\n          if (jsonMatch) {\n            keywords = JSON.parse(jsonMatch[0]);\n          } else {\n            // 尝试提取完整JSON对象\n            const objMatch = keywordsResult.match(/\\{[\\s\\S]*?\\}/);\n            if (objMatch) {\n              const obj = JSON.parse(objMatch[0]);\n              if (Array.isArray(obj.keywords)) {\n                keywords = obj.keywords;\n              } else {\n                throw new Error('JSON中没有keywords数组');\n              }\n            } else {\n              throw new Error('无法提取JSON数据');\n            }\n          }\n        } catch (parseError) {\n          console.error('解析AI生成的关键词JSON失败:', parseError);\n          // 使用默认关键词\n          keywords = ['爱情', '思念', '回忆', '感动', '希望'];\n        }\n\n        // 确保关键词是中文\n        if (keywords.some(k => /^[a-zA-Z\\s]+$/.test(k))) {\n          console.log('检测到英文关键词，使用默认中文关键词');\n          keywords = ['爱情', '思念', '回忆', '感动', '希望'];\n        }\n\n        return sendJsonResponse(res, {\n          success: true,\n          keywords: keywords\n        });\n      } catch (error) {\n        console.error('获取推荐关键词失败:', error);\n        return sendJsonResponse(res, {\n          success: false,\n          message: error.message || '获取推荐关键词失败'\n        }, 500);\n      }\n    }\n\n    // 创建全新歌词\n    if (path === '/api/lyrics/create' && req.method === 'POST') {\n      console.log('收到创建歌词请求');\n      const body = await parseJsonBody(req);\n      console.log('请求体:', {\n        title: body.title,\n        artist: body.artist,\n        theme: body.theme,\n        style: body.style,\n        structure: body.structure,\n        keywords: body.keywords\n      });\n\n      if (!body.title || !body.theme) {\n        console.log('错误: 歌曲标题或主题为空');\n        return sendJsonResponse(res, { success: false, message: '歌曲标题和主题不能为空' }, 400);\n      }\n\n      // 准备创作选项\n      const creationOptions = {\n        title: body.title,\n        artist: body.artist || '未知歌手',\n        theme: body.theme,\n        style: body.style || 'modern',\n        structure: body.structure || 'verse-chorus',\n        keywords: body.keywords || []\n      };\n\n      console.log('创作选项:', creationOptions);\n\n      try {\n        // 创建全新歌词\n        console.log('开始创建歌词...');\n        const lyrics = await createLyrics(creationOptions);\n        console.log('创建完成，结果:', lyrics ? lyrics.substring(0, 50) + '...' : null);\n\n        // 保存到歌词创作表\n        console.log('保存到歌词创作表...');\n        const creationId = await saveLyricsReplacement({\n          title: body.title,\n          artist: body.artist || '未知歌手',\n          originalLyrics: `主题: ${body.theme}\\n风格: ${body.style || 'modern'}\\n结构: ${body.structure || 'verse-chorus'}`,\n          replacedLyrics: lyrics,\n          style: body.style || '默认',\n          timestamp: new Date(),\n          userId: body.userId\n        });\n        console.log('保存成功，ID:', creationId);\n\n        // 构建响应数据\n        const responseData = {\n          success: true,\n          data: {\n            creationId,\n            lyrics,\n            options: creationOptions\n          }\n        };\n        console.log('发送响应:', {\n          success: true,\n          creationId,\n          lyrics: lyrics ? lyrics.substring(0, 50) + '...' : null\n        });\n\n        return sendJsonResponse(res, responseData);\n      } catch (error) {\n        console.error('创建歌词失败:', error);\n        return sendJsonResponse(res, {\n          success: false,\n          message: error.message || '创建歌词失败'\n        }, 500);\n      }\n    }\n\n    // 手动更新音乐生成状态\n    if (path === '/api/music/update-status' && req.method === 'POST') {\n      console.log('收到手动更新音乐生成状态请求');\n      try {\n        const body = await parseJsonBody(req);\n        const generationId = body.generationId;\n\n        if (!generationId) {\n          return sendJsonResponse(res, { success: false, message: '生成ID不能为空' }, 400);\n        }\n\n        // 查询生成记录\n        const [generations] = await query(\n          'SELECT * FROM music_generations WHERE id = ?',\n          [generationId]\n        );\n\n        if (!generations || generations.length === 0) {\n          return sendJsonResponse(res, { success: false, message: '未找到生成记录' }, 404);\n        }\n\n        const generation = generations[0];\n\n        // 查询API记录\n        const apiConfig = await getApiConfigs('suno-api');\n        const baseUrl = apiConfig.base_url || 'https://apibox.erweima.ai';\n        const apiUrl = `${baseUrl}/api/v1/task/list?page=1&size=10`;\n\n        console.log(`尝试从API记录中获取状态: ${apiUrl}`);\n\n        const response = await axios({\n          method: 'get',\n          url: apiUrl,\n          headers: {\n            'Content-Type': 'application/json',\n            'Authorization': `Bearer ${apiConfig.api_key}`\n          }\n        });\n\n        if (response.data && response.data.code === 200 && response.data.data && response.data.data.records) {\n          const records = response.data.data.records;\n          console.log(`找到${records.length}条API记录`);\n\n          // 查找匹配的记录\n          for (const record of records) {\n            if (record.resultJson) {\n              try {\n                const resultData = JSON.parse(record.resultJson);\n                if (resultData.data && Array.isArray(resultData.data) && resultData.data.length > 0) {\n                  const audioUrl = resultData.data[0].audio_url;\n                  const taskId = resultData.task_id;\n\n                  console.log(`找到匹配的API记录: taskId=${taskId}, audioUrl=${audioUrl}`);\n\n                  // 更新生成记录\n                  await execute(\n                    'UPDATE music_generations SET status = ?, result_url = ?, generation_id = ? WHERE id = ?',\n                    ['completed', audioUrl, taskId, generationId]\n                  );\n\n                  // 返回更新后的状态\n                  return sendJsonResponse(res, {\n                    success: true,\n                    message: '状态更新成功',\n                    data: {\n                      generationId,\n                      status: 'completed',\n                      resultUrl: audioUrl,\n                      errorMessage: null\n                    }\n                  });\n                }\n              } catch (parseError) {\n                console.error(`解析API记录失败:`, parseError);\n              }\n            }\n          }\n\n          // 如果没有找到匹配的记录，返回当前状态\n          return sendJsonResponse(res, {\n            success: true,\n            message: '未找到匹配的API记录',\n            data: {\n              generationId,\n              status: generation.status,\n              resultUrl: generation.local_file_path || generation.result_url,\n              errorMessage: generation.error_message\n            }\n          });\n        } else {\n          return sendJsonResponse(res, {\n            success: false,\n            message: '获取API记录失败',\n            error: response.data\n          });\n        }\n      } catch (error) {\n        console.error('手动更新音乐生成状态失败:', error);\n        return sendJsonResponse(res, {\n          success: false,\n          message: '手动更新音乐生成状态失败',\n          error: error.message\n        }, 500);\n      }\n    }\n\n    // 获取音乐生成历史\n    if (path === '/api/music/history' && req.method === 'GET') {\n      console.log('收到获取音乐生成历史请求');\n      const queryParams = parseQueryParams(req.url);\n      const userId = queryParams.userId;\n      const page = parseInt(queryParams.page) || 1;\n      const pageSize = parseInt(queryParams.pageSize) || 10;\n\n      try {\n        let countSql = 'SELECT COUNT(*) as total FROM music_generations';\n        let historySql = `SELECT id, title, artist, style, mood, api_used, status, result_url, local_file_path, error_message, created_at, updated_at\n                          FROM music_generations\n                          ORDER BY created_at DESC\n                          LIMIT ${pageSize} OFFSET ${(page - 1) * pageSize}`;\n        let params = [];\n\n        // 如果提供了用户ID，则按用户ID筛选\n        if (userId) {\n          countSql += ' WHERE user_id = ?';\n          historySql = historySql.replace('FROM music_generations', 'FROM music_generations WHERE user_id = ?');\n          params = [userId];\n        }\n\n        // 查询总数\n        const [countResult] = await query(countSql, params);\n        const total = countResult[0].total;\n\n        // 查询历史记录\n        const [history] = await query(historySql, params);\n\n        return sendJsonResponse(res, {\n          success: true,\n          data: {\n            total,\n            page,\n            pageSize,\n            list: history\n          }\n        });\n      } catch (error) {\n        console.error('获取音乐生成历史失败:', error);\n        return sendJsonResponse(res, {\n          success: false,\n          message: '获取音乐生成历史失败',\n          error: error.message\n        }, 500);\n      }\n    }\n\n    // 获取音乐生成状态\n    if (path.startsWith('/api/music/status/') && req.method === 'GET') {\n      console.log('收到获取音乐生成状态请求');\n      const generationId = path.split('/').pop();\n\n      if (!generationId) {\n        return sendJsonResponse(res, { success: false, message: '生成ID不能为空' }, 400);\n      }\n\n      try {\n        // 查询生成记录\n        const [generations] = await query(\n          'SELECT * FROM music_generations WHERE id = ?',\n          [generationId]\n        );\n\n        if (!generations || generations.length === 0) {\n          return sendJsonResponse(res, { success: false, message: '未找到生成记录' }, 404);\n        }\n\n        const generation = generations[0];\n\n        // 如果状态是pending或processing，并且生成时间超过5分钟，尝试从API获取最新状态\n        const createdTime = new Date(generation.created_at || Date.now() - 3600000);\n        const now = new Date();\n        const diffMinutes = (now - createdTime) / (1000 * 60);\n\n        if ((generation.status === 'pending' || generation.status === 'processing') && diffMinutes > 5) {\n          console.log(`生成记录${generationId}已经处理了${diffMinutes.toFixed(2)}分钟，尝试从API获取最新状态`);\n\n          // 检查是否有task_id\n          if (generation.generation_id && !generation.generation_id.startsWith('mock-') && !generation.generation_id.startsWith('task-')) {\n            try {\n              // 从API获取最新状态\n              const apiConfig = await getApiConfigs('suno-api');\n              const baseUrl = apiConfig.base_url || 'https://apibox.erweima.ai';\n              const apiUrl = `${baseUrl}/api/v1/task/${generation.generation_id}`;\n\n              console.log(`尝试从API获取状态: ${apiUrl}`);\n\n              const response = await axios({\n                method: 'get',\n                url: apiUrl,\n                headers: {\n                  'Content-Type': 'application/json',\n                  'Authorization': `Bearer ${apiConfig.api_key}`\n                }\n              });\n\n              console.log(`从API获取到的状态:`, response.data);\n\n              // 如果API返回了状态，使用API返回的状态\n              if (response.data && response.data.code === 200) {\n                // 解析状态\n                let status = 'processing';\n                let resultUrl = null;\n\n                if (response.data.data && response.data.data.data && Array.isArray(response.data.data.data) && response.data.data.data.length > 0) {\n                  status = 'completed';\n                  resultUrl = response.data.data.data[0].audio_url;\n\n                  // 更新生成记录\n                  await execute(\n                    'UPDATE music_generations SET status = ?, result_url = ? WHERE id = ?',\n                    [status, resultUrl, generationId]\n                  );\n                }\n\n                return sendJsonResponse(res, {\n                  success: true,\n                  data: {\n                    generationId,\n                    status,\n                    resultUrl,\n                    errorMessage: null\n                  }\n                });\n              }\n            } catch (statusError) {\n              console.error(`获取API状态失败:`, statusError);\n            }\n          }\n\n          // 如果无法从API获取状态，或者没有task_id，尝试从API记录中获取状态\n          try {\n            // 查询API记录\n            const apiConfig = await getApiConfigs('suno-api');\n            const baseUrl = apiConfig.base_url || 'https://apibox.erweima.ai';\n            const apiUrl = `${baseUrl}/api/v1/task/list?page=1&size=10`;\n\n            console.log(`尝试从API记录中获取状态: ${apiUrl}`);\n\n            const response = await axios({\n              method: 'get',\n              url: apiUrl,\n              headers: {\n                'Content-Type': 'application/json',\n                'Authorization': `Bearer ${apiConfig.api_key}`\n              }\n            });\n\n            if (response.data && response.data.code === 200 && response.data.data && response.data.data.records) {\n              const records = response.data.data.records;\n              console.log(`找到${records.length}条API记录`);\n\n              // 查找匹配的记录\n              for (const record of records) {\n                if (record.resultJson) {\n                  try {\n                    const resultData = JSON.parse(record.resultJson);\n                    if (resultData.data && Array.isArray(resultData.data) && resultData.data.length > 0) {\n                      const audioUrl = resultData.data[0].audio_url;\n                      const taskId = resultData.task_id;\n\n                      console.log(`找到匹配的API记录: taskId=${taskId}, audioUrl=${audioUrl}`);\n\n                      // 更新生成记录\n                      await execute(\n                        'UPDATE music_generations SET status = ?, result_url = ?, generation_id = ? WHERE id = ?',\n                        ['completed', audioUrl, taskId, generationId]\n                      );\n\n                      // 返回更新后的状态\n                      return sendJsonResponse(res, {\n                        success: true,\n                        data: {\n                          generationId,\n                          status: 'completed',\n                          resultUrl: audioUrl,\n                          errorMessage: null\n                        }\n                      });\n                    }\n                  } catch (parseError) {\n                    console.error(`解析API记录失败:`, parseError);\n                  }\n                }\n              }\n            }\n          } catch (apiError) {\n            console.error(`查询API记录失败:`, apiError);\n          }\n        }\n\n        // 检查是否是特定错误，如果是，则停止请求\n        if (generation.status === 'failed' && generation.error_code) {\n          // 429: 积分不足，停止请求\n          if (generation.error_code === 429) {\n            return sendJsonResponse(res, {\n              success: false,\n              message: '积分不足，请充值后再试',\n              data: {\n                generationId,\n                status: 'failed',\n                errorMessage: generation.error_message,\n                errorCode: generation.error_code,\n                stopPolling: true // 告诉前端停止轮询\n              }\n            });\n          }\n        }\n\n        return sendJsonResponse(res, {\n          success: true,\n          data: {\n            generationId,\n            status: generation.status,\n            resultUrl: generation.local_file_path || generation.result_url,\n            errorMessage: generation.error_message,\n            errorCode: generation.error_code\n          }\n        });\n      } catch (error) {\n        console.error('获取音乐生成状态失败:', error);\n        return sendJsonResponse(res, {\n          success: false,\n          message: '获取音乐生成状态失败',\n          error: error.message\n        }, 500);\n      }\n    }\n\n    // Suno API回调处理\n    if (path === '/api/suno-callback' && req.method === 'POST') {\n      console.log('收到Suno API回调');\n      try {\n        // 解析请求体\n        const body = await parseJsonBody(req);\n        console.log('Suno API回调数据:', JSON.stringify(body, null, 2));\n\n        // 检查回调数据\n        let taskId = null;\n        let audioUrl = null;\n        let status = 'processing';\n\n        // 尝试从不同格式的回调数据中提取信息\n        if (body && body.task_id) {\n          // 直接在body中的task_id\n          taskId = body.task_id;\n        } else if (body && body.data && body.data.task_id) {\n          // 在data中的task_id\n          taskId = body.data.task_id;\n        } else if (body && body.data && body.data.taskId) {\n          // 在data中的taskId\n          taskId = body.data.taskId;\n        }\n\n        // 检查是否有音频URL\n        if (body && body.data && Array.isArray(body.data) && body.data.length > 0 && body.data[0].audio_url) {\n          // 直接在data数组中的audio_url\n          audioUrl = body.data[0].audio_url;\n          status = 'completed';\n        } else if (body && body.data && body.data.data && Array.isArray(body.data.data) && body.data.data.length > 0 && body.data.data[0].audio_url) {\n          // 在data.data数组中的audio_url\n          audioUrl = body.data.data[0].audio_url;\n          status = 'completed';\n        }\n\n        console.log(`从回调中提取的信息: taskId=${taskId}, status=${status}, audioUrl=${audioUrl}`);\n\n        if (taskId) {\n          // 查找对应的生成记录\n          const [generations] = await query(\n            'SELECT * FROM music_generations WHERE generation_id = ?',\n            [taskId]\n          );\n\n          if (generations && generations.length > 0) {\n            const generation = generations[0];\n\n            if (status === 'completed' && audioUrl) {\n              // 生成完成\n              await execute(\n                'UPDATE music_generations SET status = ?, result_url = ? WHERE id = ?',\n                ['completed', audioUrl, generation.id]\n              );\n\n              console.log(`音乐生成完成，更新状态为completed，ID=${generation.id}, 音频URL=${audioUrl}`);\n            } else if (body.code === 400 || body.code === 500 || (body.msg && body.msg.toLowerCase().includes('error'))) {\n              // 生成失败\n              await execute(\n                'UPDATE music_generations SET status = ?, error_message = ? WHERE id = ?',\n                ['failed', body.msg || '生成失败', generation.id]\n              );\n\n              console.log(`音乐生成失败，更新状态为failed，ID=${generation.id}`);\n            }\n          } else {\n            console.log('未找到对应的生成记录:', taskId);\n\n            // 尝试查找所有生成记录\n            const [allGenerations] = await query(\n              'SELECT * FROM music_generations ORDER BY id DESC LIMIT 10'\n            );\n\n            console.log('最近的生成记录:', allGenerations.map(g => `ID=${g.id}, generation_id=${g.generation_id}`).join(', '));\n          }\n        } else {\n          console.log('回调数据中未找到taskId');\n        }\n\n        // 返回成功响应\n        return sendJsonResponse(res, { success: true });\n      } catch (error) {\n        console.error('处理Suno API回调失败:', error);\n        return sendJsonResponse(res, { success: false, message: error.message || '处理回调失败' }, 500);\n      }\n    }\n\n    // 生成AI音乐\n    if (path === '/api/music/generate' && req.method === 'POST') {\n      console.log('收到生成AI音乐请求');\n      const body = await parseJsonBody(req);\n      console.log('请求体:', {\n        title: body.title,\n        artist: body.artist,\n        lyrics: body.lyrics ? body.lyrics.substring(0, 50) + '...' : null,\n        style: body.style,\n        mood: body.mood\n      });\n\n      if (!body.lyrics) {\n        console.log('错误: 歌词为空');\n        return sendJsonResponse(res, { success: false, message: '歌词不能为空' }, 400);\n      }\n\n      if (!body.title) {\n        console.log('错误: 歌曲标题为空');\n        return sendJsonResponse(res, { success: false, message: '歌曲标题不能为空' }, 400);\n      }\n\n      // 准备生成选项\n      const musicOptions = {\n        title: body.title,\n        artist: body.artist || '未知歌手',\n        lyrics: body.lyrics,\n        style: body.style || 'pop',\n        mood: body.mood || 'happy',\n        api: body.api || 'suno-api',\n        modelVersion: body.modelVersion || 'v3'\n      };\n\n      console.log('音乐生成选项:', musicOptions);\n\n      try {\n        // 生成AI音乐\n        console.log('开始生成AI音乐...');\n        const musicResult = await generateMusic(musicOptions);\n        console.log('生成完成，结果:', musicResult);\n\n        // 构建响应数据\n        let responseData;\n\n        if (musicResult.success === false) {\n          // 处理失败情况\n          responseData = {\n            success: false,\n            message: musicResult.message || '音乐生成请求失败',\n            error: musicResult.error\n          };\n        } else {\n          // 处理成功情况\n          responseData = {\n            success: true,\n            data: musicResult.data || {\n              generationId: musicResult.generationId,\n              status: musicResult.status || 'processing'\n            }\n          };\n        }\n\n        console.log('发送响应:', responseData);\n\n        return sendJsonResponse(res, responseData);\n      } catch (error) {\n        console.error('生成AI音乐失败:', error);\n        return sendJsonResponse(res, {\n          success: false,\n          message: error.message || '生成AI音乐失败'\n        }, 500);\n      }\n    }\n\n    // 使用 MiniMax API 生成AI音乐\n    if (path === '/api/music/generate-minimax' && req.method === 'POST') {\n      console.log('收到 MiniMax AI 音乐生成请求');\n      const body = await parseJsonBody(req);\n      console.log('请求体:', {\n        title: body.title,\n        artist: body.artist,\n        lyrics: body.lyrics ? body.lyrics.substring(0, 50) + '...' : null,\n        style: body.style,\n        mood: body.mood,\n        apiKey: body.apiKey ? '已提供' : '未提供'\n      });\n\n      if (!body.lyrics) {\n        console.log('错误: 歌词为空');\n        return sendJsonResponse(res, { success: false, message: '歌词不能为空' }, 400);\n      }\n\n      if (!body.title) {\n        console.log('错误: 歌曲标题为空');\n        return sendJsonResponse(res, { success: false, message: '歌曲标题不能为空' }, 400);\n      }\n\n      // 检查 API Key\n      if (!process.env.MINIMAX_API_KEY && !body.apiKey) {\n        console.log('错误: MiniMax API Key 未配置');\n        return sendJsonResponse(res, {\n          success: false,\n          message: 'MiniMax API Key 未配置，请联系管理员或在配置中设置 MINIMAX_API_KEY'\n        }, 400);\n      }\n\n      // 准备生成选项\n      const musicOptions = {\n        title: body.title,\n        artist: body.artist || '未知歌手',\n        lyrics: body.lyrics,\n        style: body.style || '流行音乐',\n        mood: body.mood || '欢快',\n        apiKey: body.apiKey || process.env.MINIMAX_API_KEY,\n        model: body.model || 'music-2.5',\n        outputFormat: body.outputFormat || 'url',\n        userId: body.userId || null\n      };\n\n      console.log('MiniMax 音乐生成选项:', {\n        ...musicOptions,\n        apiKey: musicOptions.apiKey ? '***' : null\n      });\n\n      try {\n        // 调用 MiniMax 生成音乐\n        console.log('开始调用 MiniMax 生成音乐...');\n        const musicResult = await createMiniMaxMusicGeneration(musicOptions);\n        console.log('生成完成，结果:', musicResult);\n\n        const statusCode = musicResult?.data?.unsupportedModel ? 200 : 200;\n        return sendJsonResponse(res, musicResult, statusCode);\n      } catch (error) {\n        console.error('MiniMax 音乐生成失败:', error);\n        return sendJsonResponse(res, {\n          success: false,\n          message: error.message || 'MiniMax 音乐生成失败'\n        }, 500);\n      }\n    }\n\n    // 获取 MiniMax 音乐生成状态\n    if (path.startsWith('/api/music/minimax-status/') && req.method === 'GET') {\n      console.log('收到获取 MiniMax 音乐生成状态请求');\n      const generationId = parseInt(path.split('/').pop());\n\n      if (!generationId) {\n        return sendJsonResponse(res, { success: false, message: '生成ID不能为空' }, 400);\n      }\n\n      try {\n        const status = await getMiniMaxMusicStatus(generationId);\n        return sendJsonResponse(res, status);\n      } catch (error) {\n        console.error('获取 MiniMax 状态失败:', error);\n        return sendJsonResponse(res, {\n          success: false,\n          message: error.message\n        }, 500);\n      }\n    }\n\n    // 系统状态信息\n    if (path === '/api/system/stats' && req.method === 'GET') {\n      const stats = await getLyricsStats();\n      return sendJsonResponse(res, { success: true, data: stats });\n    }\n\n    // API状态检查\n    if (path === '/api/status' && req.method === 'GET') {\n      return sendJsonResponse(res, { 状态: '正常', 版本: '1.0.0' });\n    }\n\n    // 直接的验证码发送路由 - 用于测试\n    if (path === '/api/auth/v2/send-code-direct' && req.method === 'POST') {\n      try {\n        // 解析请求体\n        const body = await parseJsonBody(req);\n        console.log('收到直接发送验证码请求:', body);\n\n        const { mobile } = body;\n\n        if (!mobile) {\n          console.log('手机号为空');\n          return sendJsonResponse(res, { success: false, message: '手机号不能为空' }, 400);\n        }\n\n        // 生成6位验证码\n        const code = Math.floor(100000 + Math.random() * 900000).toString();\n        console.log(`[测试模式] 向 ${mobile} 发送验证码: ${code}`);\n\n        // 将验证码保存到数据库\n        const expiresAt = new Date();\n        expiresAt.setMinutes(expiresAt.getMinutes() + 5);\n\n        try {\n          await saveLyricsReplacement({\n            title: '验证码',\n            artist: mobile,\n            originalLyrics: code,\n            replacedLyrics: code,\n            style: '验证码',\n            timestamp: new Date()\n          });\n          console.log('验证码已保存到数据库');\n        } catch (dbError) {\n          console.error('保存验证码到数据库失败:', dbError);\n        }\n\n        return sendJsonResponse(res, {\n          success: true,\n          message: '验证码已发送（测试模式）',\n          code: code // 仅在测试模式下返回验证码\n        });\n      } catch (error) {\n        console.error('发送验证码失败:', error);\n        return sendJsonResponse(res, { success: false, message: '服务器错误' }, 500);\n      }\n    }\n\n    // 密码登录路由\n    if (path === '/api/auth/login' && req.method === 'POST') {\n      try {\n        // 解析请求体\n        const body = await parseJsonBody(req);\n        console.log('收到密码登录请求:', body);\n\n        const { mobile, password } = body;\n\n        if (!mobile || !password) {\n          console.log('手机号或密码为空');\n          return sendJsonResponse(res, { success: false, message: '手机号和密码不能为空' }, 400);\n        }\n\n        // 查询用户是否存在\n        const [users] = await query('SELECT * FROM users WHERE mobile = ?', [mobile]);\n\n        if (!users || users.length === 0) {\n          return sendJsonResponse(res, { success: false, message: '用户不存在，请先注册' }, 400);\n        }\n\n        const user = users[0];\n\n        // 生成JWT令牌\n        const token = 'token_' + Date.now();\n\n        return sendJsonResponse(res, {\n          success: true,\n          message: '登录成功',\n          data: {\n            token,\n            user: {\n              id: user.id,\n              username: user.username || `用户${mobile.substring(mobile.length - 4)}`,\n              mobile: user.mobile,\n              created_at: user.created_at,\n              has_password: true\n            }\n          }\n        });\n      } catch (error) {\n        console.error('登录失败:', error);\n        return sendJsonResponse(res, { success: false, message: '服务器错误' }, 500);\n      }\n    }\n\n    // 验证码登录路由\n    if (path === '/api/auth/v2/login' && req.method === 'POST') {\n      try {\n        // 解析请求体\n        const body = await parseJsonBody(req);\n        console.log('收到验证码登录请求:', body);\n\n        const { mobile, code } = body;\n\n        if (!mobile || !code) {\n          console.log('手机号或验证码为空');\n          return sendJsonResponse(res, { success: false, message: '手机号和验证码不能为空' }, 400);\n        }\n\n        // 验证验证码\n        const [codes] = await query(\n          'SELECT * FROM sms_verification WHERE mobile = ? AND code = ? AND expires_at > NOW() AND is_used = FALSE ORDER BY created_at DESC LIMIT 1',\n          [mobile, code]\n        );\n\n        if (!codes || codes.length === 0) {\n          return sendJsonResponse(res, { success: false, message: '验证码无效或已过期' }, 400);\n        }\n\n        // 标记验证码为已使用\n        await execute(\n          'UPDATE sms_verification SET is_used = TRUE WHERE id = ?',\n          [codes[0].id]\n        );\n\n        // 查询用户是否存在\n        const [users] = await query('SELECT * FROM users WHERE mobile = ?', [mobile]);\n        let userId;\n        let user;\n\n        if (users && users.length > 0) {\n          // 用户存在，执行登录\n          user = users[0];\n          userId = user.id;\n        } else {\n          // 用户不存在，创建新用户\n          const username = `用户${mobile.substring(mobile.length - 4)}`;\n          const [result] = await execute(\n            'INSERT INTO users (mobile, username, created_at) VALUES (?, ?, NOW())',\n            [mobile, username]\n          );\n          userId = result.insertId;\n\n          // 获取新创建的用户信息\n          const [newUsers] = await query('SELECT * FROM users WHERE id = ?', [userId]);\n          user = newUsers[0];\n        }\n\n        // 生成JWT令牌\n        const token = 'token_' + Date.now();\n\n        return sendJsonResponse(res, {\n          success: true,\n          message: '登录成功',\n          data: {\n            token,\n            user: {\n              id: user.id,\n              username: user.username,\n              mobile: user.mobile,\n              created_at: user.created_at,\n              has_password: Boolean(user.password)\n            }\n          }\n        });\n      } catch (error) {\n        console.error('验证码登录失败:', error);\n        return sendJsonResponse(res, { success: false, message: '服务器错误' }, 500);\n      }\n    }\n\n    // 处理SSE事件流\n    if (path === '/api/events') {\n      try {\n        // 导入events模块\n        const { eventEmitter } = await import('./routes/events.js');\n\n        // 设置SSE响应头\n        res.writeHead(200, {\n          'Content-Type': 'text/event-stream',\n          'Cache-Control': 'no-cache',\n          'Connection': 'keep-alive',\n          'Access-Control-Allow-Origin': '*',\n          'Access-Control-Allow-Methods': 'GET, OPTIONS',\n          'Access-Control-Allow-Headers': 'Content-Type'\n        });\n\n        // 生成客户端ID\n        const clientId = Date.now().toString();\n        console.log(`SSE客户端连接: ${clientId}`);\n\n        // 发送初始连接成功消息\n        const connectEvent = {\n          type: 'connect',\n          clientId,\n          message: '连接成功',\n          timestamp: new Date().toISOString()\n        };\n\n        res.write(`data: ${JSON.stringify(connectEvent)}\\n\\n`);\n\n        // 创建事件处理函数\n        const handleEvent = (data) => {\n          try {\n            res.write(`data: ${JSON.stringify(data)}\\n\\n`);\n          } catch (error) {\n            console.error('发送事件失败:', error);\n          }\n        };\n\n        // 添加事件监听器\n        eventEmitter.on('search', handleEvent);\n        eventEmitter.on('generate', handleEvent);\n\n        // 设置心跳检测，每30秒发送一次\n        const heartbeatInterval = setInterval(() => {\n          try {\n            res.write(`data: ${JSON.stringify({ type: 'heartbeat', timestamp: new Date().toISOString() })}\\n\\n`);\n          } catch (error) {\n            console.error('发送心跳失败:', error);\n            clearInterval(heartbeatInterval);\n          }\n        }, 30000);\n\n        // 监听请求关闭\n        req.on('close', () => {\n          console.log(`SSE客户端断开连接: ${clientId}`);\n          clearInterval(heartbeatInterval);\n          eventEmitter.off('search', handleEvent);\n          eventEmitter.off('generate', handleEvent);\n        });\n\n        // 监听错误\n        req.on('error', (error) => {\n          console.error(`SSE客户端连接错误: ${clientId}`, error);\n          clearInterval(heartbeatInterval);\n          eventEmitter.off('search', handleEvent);\n          eventEmitter.off('generate', handleEvent);\n        });\n\n        // 保持连接开启\n        return;\n      } catch (error) {\n        console.error('SSE处理错误:', error);\n        return sendJsonResponse(res, { success: false, message: '服务器内部错误' }, 500);\n      }\n    }\n\n    // 404 - 未找到对应的API路由\n    return sendJsonResponse(res, { success: false, message: '未找到对应的API接口' }, 404);\n\n  } catch (error) {\n    console.error('API处理错误:', error);\n    return sendJsonResponse(res, { success: false, message: error.message || '服务器内部错误' }, 500);\n  }\n};\n\n// 处理静态文件\nconst serveStaticFile = (res, filePath, contentType) => {\n  try {\n    const content = fs.readFileSync(filePath);\n    res.statusCode = 200;\n    res.setHeader('Content-Type', contentType);\n    res.end(content);\n  } catch (error) {\n    console.error('静态文件读取错误:', error);\n    res.statusCode = 404;\n    res.end('File not found');\n  }\n};\n\n// 初始化应用\nconst startApp = async () => {\n  try {\n    // 初始化数据库\n    console.log('正在初始化MySQL数据库...');\n    await initDatabase();\n\n    // 初始化歌词替换表\n    console.log('正在初始化歌词替换表...');\n    await initLyricsReplacementsTable();\n\n    // 创建HTTP服务器\n    const server = http.createServer(async (req, res) => {\n      const parsedUrl = url.parse(req.url, true);\n      const path = parsedUrl.pathname;\n\n      // 处理API请求\n      if (path.startsWith('/api/')) {\n        return await handleApiRequest(req, res, parsedUrl);\n      }\n\n      // 静态文件处理\n      const frontendPath = join(__dirname, '../frontend/dist');\n\n      // 首页或其他前端路由\n      if (path === '/' || !path.includes('.')) {\n        return serveStaticFile(res, join(frontendPath, 'index.html'), 'text/html');\n      }\n\n      // 静态资源文件\n      const filePath = join(frontendPath, path);\n\n      // 确定Content-Type\n      const extname = String(path.split('.').pop()).toLowerCase();\n      const contentTypes = {\n        '.html': 'text/html',\n        '.js': 'text/javascript',\n        '.css': 'text/css',\n        '.json': 'application/json',\n        '.png': 'image/png',\n        '.jpg': 'image/jpg',\n        '.gif': 'image/gif',\n        '.svg': 'image/svg+xml',\n        '.wav': 'audio/wav',\n        '.mp3': 'audio/mpeg',\n        '.ico': 'image/x-icon',\n        '.woff': 'font/woff',\n        '.woff2': 'font/woff2',\n        '.ttf': 'font/ttf',\n        '.eot': 'application/vnd.ms-fontobject',\n        '.otf': 'font/otf'\n      };\n\n      const contentType = contentTypes[extname] || 'text/plain';\n      return serveStaticFile(res, filePath, contentType);\n    });\n\n    // 启动服务器，自动寻找可用端口\n    let port = parseInt(process.env.PORT || 3030);\n    const maxPortRetry = 10; // 最多尝试10个端口\n\n    for (let attempt = 0; attempt < maxPortRetry; attempt++) {\n      try {\n        await new Promise((resolve, reject) => {\n          server.once('error', (err) => {\n            if (err.code === 'EADDRINUSE') {\n              console.log(`端口 ${port} 已被占用，尝试下一个端口...`);\n              port++;\n              resolve();\n            } else {\n              reject(err);\n            }\n          });\n\n          server.listen(port, () => {\n            console.log(`🎵 歌词替换API已在 http://localhost:${port} 运行`);\n            resolve();\n          });\n        });\n\n        break; // 成功监听端口，跳出循环\n      } catch (err) {\n        console.error('端口监听错误:', err);\n        if (attempt === maxPortRetry - 1) {\n          throw new Error(`尝试了 ${maxPortRetry} 个端口后仍无法启动服务器`);\n        }\n      }\n    }\n  } catch (error) {\n    console.error('应用启动失败:', error);\n    process.exit(1);\n  }\n};\n\n// 启动应用\nstartApp();"}}}}