import wasm from 'vite-plugin-wasm'
import glsl from 'vite-plugin-glsl'
import { fileURLToPath } from 'url'
import { index, uniqueIndex } from 'drizzle-orm'

const customSeoConfig: Record<string, unknown> | null = (() => {
  const raw = process.env.NUXT_PUBLIC_SEO_CONFIG
  if (!raw) return null
  try {
    const parsed = JSON.parse(raw)
    if (parsed && typeof parsed === 'object') return parsed as Record<string, unknown>
    return null
  } catch {
    return null
  }
})()

function readNumberEnv(name: string, defaultValue: number): number {
  const raw = process.env[name]
  if (raw === undefined || raw === '') return defaultValue
  const num = Number(raw)
  return Number.isFinite(num) ? num : defaultValue
}

// https://nuxt.com/docs/api/configuration/nuxt-config
export default defineNuxtConfig({
  compatibilityDate: '2026-01-30',
  future: {
    compatibilityVersion: 4
  },
  srcDir: 'app',
  serverDir: fileURLToPath(new URL('./server', import.meta.url)),
  dir: {
    public: fileURLToPath(new URL('./public', import.meta.url))
  },
  devtools: { enabled: process.env.NODE_ENV === 'development' },
  devServer: {
    host: '0.0.0.0',
    port: 3000
  },
  modules: [
    '@nuxtjs/tailwindcss',
    ...((process.env.NODE_ENV === 'development' || process.env.npm_lifecycle_event?.includes('lint'))
      ? ['@nuxt/eslint']
      : []),
    ...((process.env.PWA_ENABLED || 'false') === 'true'
      ? ['@vite-pwa/nuxt']
      : [])
  ],

  pwa: (process.env.PWA_ENABLED || 'false') === 'true'
    ? {
        registerType: 'autoUpdate',
        manifest: {
          name: process.env.NUXT_PUBLIC_SITE_TITLE || '校园广播站点歌系统',
          short_name: process.env.NUXT_PUBLIC_SITE_TITLE || 'VoiceHub',
          description: process.env.NUXT_PUBLIC_SITE_DESCRIPTION || '校园广播站点歌系统',
          display: (process.env.PWA_DISPLAY as any) || 'standalone',
          background_color: process.env.PWA_BACKGROUND_COLOR || '#000000',
          theme_color: process.env.PWA_THEME_COLOR || '#111111',
          icons: [
            {
              src: '/images/logo.png',
              sizes: '192x192',
              type: 'image/png'
            },
            {
              src: '/images/logo.png',
              sizes: '512x512',
              type: 'image/png'
            }
          ]
        },
        workbox: {
          navigateFallback: '/',
          globPatterns: ['**/*.{js,css,html,png,jpg,jpeg,svg,ico,webp,woff2}']
        },
        client: {
          installPrompt: true,
          periodicSyncForUpdates: 3600
        },
        devOptions: {
          enabled: process.env.NODE_ENV === 'development'
        }
      }
    : {},

  // 引入全局CSS
  css: [
    '~/assets/css/variables.css',
    '~/assets/css/components.css',
    '~/assets/css/main.css',
    '~/assets/css/transitions.css',
    '~/assets/css/mobile-admin.css',
    '~/assets/css/print-fix.css',
    '~/assets/css/sf-pro-icons.css'
  ],

  build: {
    transpile: []
  },

  // 实验性优化功能
  experimental: {
    payloadExtraction: true,
    renderJsonPayloads: true,
    viewTransition: true
  },

  // 配置运行时配置
  runtimeConfig: {
    // 服务器私有键（不会暴露到客户端）
    jwtSecret: process.env.JWT_SECRET || 'your-secret-key',
    // Redis配置（可选）
    redisUrl: process.env.REDIS_URL || '',
    redisKeyPrefix: process.env.REDIS_KEY_PREFIX || '',
    // Sentry 服务端配置（不会暴露到客户端）
    sentry: {
      serverDsn: process.env.SENTRY_SERVER_DSN || process.env.SENTRY_DSN || '',
      dsn: process.env.SENTRY_DSN || '',
      errorSampleRate: readNumberEnv('SENTRY_ERROR_SAMPLE_RATE', 1.0),
      tracesSampleRate: readNumberEnv('SENTRY_TRACES_SAMPLE_RATE', 1.0),
      replaySessionSampleRate: readNumberEnv('SENTRY_REPLAY_SESSION_SAMPLE_RATE', 0),
      replayOnErrorSampleRate: readNumberEnv('SENTRY_REPLAY_ON_ERROR_SAMPLE_RATE', 0),
      release: process.env.SENTRY_RELEASE || '',
      environment: process.env.SENTRY_ENVIRONMENT || process.env.NODE_ENV || 'production'
    },
    // 公共键（会暴露到客户端）
    public: {
      host: process.env.NUXT_PUBLIC_HOST || '',
      apiBase: '/api',
      oauth: {
        github: !!process.env.GITHUB_CLIENT_ID,
        casdoor: !!process.env.CASDOOR_CLIENT_ID,
        google: !!process.env.GOOGLE_CLIENT_ID,
        aggregate: false
      },
      siteTitle: process.env.NUXT_PUBLIC_SITE_TITLE || '校园广播站点歌系统',
      siteLogo: process.env.NUXT_PUBLIC_SITE_LOGO || '',
      siteDescription:
        process.env.NUXT_PUBLIC_SITE_DESCRIPTION || '校园广播站点歌系统 - 让你的声音被听见',
      isNetlify: process.env.NETLIFY === 'true',
      // SEO 自定义配置（通过 NUXT_PUBLIC_SEO_CONFIG 注入 JSON 字符串）
      seoConfig: customSeoConfig ?? {},
      // 图形验证码相关
      captcha: {
        enabled: (process.env.CAPTCHA_ENABLED || 'false') === 'true',
        provider: process.env.CAPTCHA_PROVIDER || 'turnstile',
        siteKey: process.env.CAPTCHA_SITE_KEY || ''
      },
      // PWA 相关结构（本地不启用模块，但保留配置项以便上层应用使用）
      pwa: {
        enabled: (process.env.PWA_ENABLED || 'false') === 'true',
        display: process.env.PWA_DISPLAY || 'standalone',
        backgroundColor: process.env.PWA_BACKGROUND_COLOR || '#000000',
        themeColor: process.env.PWA_THEME_COLOR || '#111111'
      },
      // 主题配置
      defaultTheme: process.env.NUXT_PUBLIC_DEFAULT_THEME || 'ClassicDark',
      enabledThemes: (process.env.NUXT_PUBLIC_ENABLED_THEMES || 'System,ClassicDark,ClassicLight,ModernLight')
        .split(',')
        .map((s) => s.trim())
        .filter(Boolean),
      // Sentry 客户端配置（仅公开 DSN 与采样率）
      sentry: {
        dsn: process.env.SENTRY_DSN || '',
        tracesSampleRate: readNumberEnv('SENTRY_TRACES_SAMPLE_RATE', 1.0),
        replaySessionSampleRate: readNumberEnv('SENTRY_REPLAY_SESSION_SAMPLE_RATE', 0),
        replayOnErrorSampleRate: readNumberEnv('SENTRY_REPLAY_ON_ERROR_SAMPLE_RATE', 0)
      }
    }
  },

  // 配置环境变量
  app: {
    head: {
      title: process.env.NUXT_PUBLIC_SITE_TITLE || '校园广播站点歌系统',
      htmlAttrs: { lang: 'zh-CN' },
      meta: [
        { charset: 'utf-8' },
        {
          name: 'viewport',
          content:
            'width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no, viewport-fit=cover'
        },
        {
          name: 'description',
          content:
            process.env.NUXT_PUBLIC_SITE_DESCRIPTION || '校园广播站点歌系统 - 让你的声音被听见'
        },
        // 移动端优化
        { name: 'theme-color', content: '#111111' },
        {
          name: 'x-default-theme',
          content: process.env.NUXT_PUBLIC_DEFAULT_THEME || 'ClassicDark'
        },
        { name: 'apple-mobile-web-app-capable', content: 'yes' },
        { name: 'apple-mobile-web-app-status-bar-style', content: 'black-translucent' },
        { name: 'apple-mobile-web-app-title', content: 'VoiceHub管理' },
        { name: 'mobile-web-app-capable', content: 'yes' },
        { name: 'format-detection', content: 'telephone=no' }
      ],
      script: [
        {
          type: 'text/javascript',
          tagPosition: 'head',
          children: [
            `(function(){try{`,
            `  var k='voicehub:theme', d=document, r=d.documentElement, s=null, eff=null;`,
            `  try{s=localStorage.getItem(k)}catch(e){s=null}`,
            `  if(!s){`,
            `    try{`,
            `      var meta=document.querySelector('meta[name="x-default-theme"]');`,
            `      if(meta && meta.content){s=meta.content}`,
            `    }catch(e){s=null}`,
            `    if(!s){s='ClassicDark'}`,
            `  }`,
            `  if(s==='System'||s==='system'){eff=window.matchMedia('(prefers-color-scheme: dark)').matches?'dark':'light'}`,
            `  else if(typeof s==='string'){eff=s.endsWith('Dark')||s==='dark'?'dark':(s.endsWith('Light')||s==='light'?'light':s)}`,
            `  else{eff='dark'}`,
            `  r.setAttribute('data-theme', (typeof s==='string'?s:eff));`,
            `  if(eff==='dark'){r.classList.add('dark'); r.classList.remove('light'); r.style.colorScheme='dark'}`,
            `  else if(eff==='light'){r.classList.add('light'); r.classList.remove('dark'); r.style.colorScheme='light'}`,
            `  else{r.classList.remove('dark','light'); r.style.colorScheme='light dark'}`,
            `  try{`,
            `    var tm=d.querySelector('meta[name="theme-color"]');`,
            `    if(tm){tm.content=(eff==='light'?'#f8fafc':'#111111')}`,
            `  }catch(e){}`,
            `}catch(e){}})();`
          ].join('')
        }
      ],
      link: [
        { rel: 'icon', type: 'image/x-icon', href: '/favicon.ico' },
        { rel: 'preload', as: 'image', href: '/images/logo.png' },
        { rel: 'preload', as: 'image', href: '/images/site-logo.png' },
        { rel: 'preload', as: 'image', href: '/images/school-logo-white.png' },
        // 优先加载常规字体，确保页面快速显示
        {
          rel: 'preload',
          as: 'style',
          href: 'https://cdn.jsdelivr.net/npm/misans@4.1.0/lib/Normal/MiSans-Regular.min.css'
        },
        {
          rel: 'stylesheet',
          href: 'https://cdn.jsdelivr.net/npm/misans@4.1.0/lib/Normal/MiSans-Regular.min.css'
        },
        // 延迟加载其他字重，避免阻塞页面渲染
        {
          rel: 'preload',
          as: 'style',
          href: 'https://cdn.jsdelivr.net/npm/misans@4.1.0/lib/Normal/MiSans-Medium.min.css',
          onload: "this.onload=null;this.rel='stylesheet'"
        },
        {
          rel: 'preload',
          as: 'style',
          href: 'https://cdn.jsdelivr.net/npm/misans@4.1.0/lib/Normal/MiSans-Semibold.min.css',
          onload: "this.onload=null;this.rel='stylesheet'"
        },
        {
          rel: 'preload',
          as: 'style',
          href: 'https://cdn.jsdelivr.net/npm/misans@4.1.0/lib/Normal/MiSans-Bold.min.css',
          onload: "this.onload=null;this.rel='stylesheet'"
        }
      ]
    }
  },

  features: {
    inlineStyles: false
  },

  // TypeScript配置
  typescript: {
    strict: true
  },

  // 服务器端配置
  nitro: {
    compressPublicAssets: false, // 禁用公共资产压缩，防止构建时内存溢出
    preset: process.env.VERCEL
      ? 'vercel'
      : process.env.NETLIFY
        ? 'netlify'
        : process.env.NITRO_PRESET || 'node-server',
    // 明确关闭 prerender / 爬取链接，避免 Node 端不必要的预渲染浪费内存和依赖数据库环境
    prerender: {
      crawlLinks: false,
      routes: []
    },
    minify: true,
    sourceMap: false,
    // 增强错误处理和稳定性
    experimental: {
      wasm: true,
      asyncContext: true
    },
    // 强制把巨型 Node native 库外置，防止 Nitro 打包时撑爆内存 (OOM 137)
    externals: {
      external: [
        'drizzle-orm',
        'postgres'
      ]
    },
    timing: true,
    // 增加请求超时时间
    routeRules: {
      // 完全禁用所有API路由的缓存，确保每次都请求数据库
      '/api/**': {
        headers: {
          'Cache-Control': 'no-cache, no-store, must-revalidate',
          Pragma: 'no-cache',
          Expires: '0',
          Connection: 'keep-alive'
        }
      },
      // 静态资源文件缓存配置
      '/_nuxt/**': {
        headers: {
          'Cache-Control': 'public, max-age=31536000, immutable'
        }
      },
      '/assets/**': {
        headers: {
          'Cache-Control': 'public, max-age=31536000, immutable'
        }
      },
      '/favicon.ico': {
        headers: {
          'Cache-Control': 'public, max-age=86400'
        }
      },
      // 图片、CSS、JS等静态资源缓存
      '/**/*.{png,jpg,jpeg,gif,webp,svg,ico}': {
        headers: {
          'Cache-Control': 'public, max-age=31536000, immutable'
        }
      },
      '/**/*.{css,js}': {
        headers: {
          'Cache-Control': 'public, max-age=31536000, immutable'
        }
      },
      // 认证相关页面不缓存
      '/login': {
        headers: {
          'Cache-Control': 'no-cache, no-store, must-revalidate',
          Pragma: 'no-cache',
          Expires: '0'
        }
      },
      '/dashboard': {
        headers: {
          'Cache-Control': 'no-cache, no-store, must-revalidate',
          Pragma: 'no-cache',
          Expires: '0'
        }
      },
      '/change-password': {
        headers: {
          'Cache-Control': 'no-cache, no-store, must-revalidate',
          Pragma: 'no-cache',
          Expires: '0'
        }
      },
      '/auth/**': {
        headers: {
          'Cache-Control': 'no-cache, no-store, must-revalidate',
          Pragma: 'no-cache',
          Expires: '0'
        }
      },
      '/notification-settings': {
        headers: {
          'Cache-Control': 'no-cache, no-store, must-revalidate',
          Pragma: 'no-cache',
          Expires: '0'
        }
      }
    },
    // 根据部署环境调整配置
    ...(process.env.VERCEL
      ? {
          // Vercel 环境：使用标准配置
        }
      : process.env.NETLIFY
        ? {
            // Netlify 环境：确保 Drizzle 正确打包
            experimental: {
              wasm: true
            }
          }
        : {
            // 其他环境：使用标准配置
          })
  },

  // Vite 配置
  vite: {
    build: {
      chunkSizeWarningLimit: 2000,
      cssCodeSplit: true,
      sourcemap: false,
      target: 'esnext',
      reportCompressedSize: false,
      rollupOptions: {
        maxParallelFileOps: 1,
        cache: false
      }
    },
    resolve: {
      alias: [
        {
          find: '@applemusic-like-lyrics/core/style.css',
          replacement: fileURLToPath(
            new URL('./vendor/amll-core/src/styles/index.css', import.meta.url)
          )
        },
        {
          find: '@applemusic-like-lyrics/core',
          replacement: fileURLToPath(new URL('./vendor/amll-core/src/index.ts', import.meta.url))
        }
      ]
    },
    plugins: [wasm(), glsl()],
    optimizeDeps: {
      include: ['drizzle-orm'],
      exclude: ['@applemusic-like-lyrics/vue', '@applemusic-like-lyrics/lyric']
    },
    // SSR配置: Vercel/Netlify serverless 需要 noExternal 把 drizzle/postgres inline;
    // Node-server 环境直接从 node_modules require 即可, 避免打包 inline 导致 OOM
    ssr: {
      noExternal: process.env.NETLIFY
        ? ['drizzle-orm', 'postgres']
        : process.env.VERCEL
          ? []
          : []
    }
  }
})