// https://nuxt.com/docs/api/configuration/nuxt-config
import { defineNuxtConfig } from 'nuxt/config'

export default defineNuxtConfig({
  // Helpers
  hooks: {},
  compatibilityDate: '2025-08-02',
  // Disable SSR completely to avoid hydration issues with client-side audio APIs
  ssr: false,
  devtools: { 
    enabled: true,
    vscode: {},
    timeline: {
      enabled: true
    }
  },
  
  // Server configuration for proxy compatibility
  devServer: {
    host: process.env.NUXT_HOST || '0.0.0.0',
    port: process.env.NUXT_PORT ? Number(process.env.NUXT_PORT) : 3000,
    https: false
  },
  
  // Additional development configuration for proxy
  dev: process.env.NODE_ENV !== 'production',
  
  // Vite configuration for HMR through proxy  
  vite: {
    server: {
      // Configure HMR via env when developing behind HTTPS proxy
      hmr: process.env.NODE_ENV !== 'production' ? {
        host: process.env.HMR_HOST || undefined,
        clientPort: process.env.HMR_CLIENT_PORT ? Number(process.env.HMR_CLIENT_PORT) : undefined,
        protocol: process.env.HMR_PROTOCOL || undefined
      } : undefined
    }
  },
  
  modules: [
    '@vueuse/nuxt',
    '@pinia/nuxt',
    ['@vite-pwa/nuxt', {
      registerType: 'autoUpdate',
      includeAssets: ['favicon.ico', 'logo.png', 'logo-192.png', 'logo-512.png', 'logo-maskable-512.png', 'icon.svg'],
      workbox: process.env.NODE_ENV === 'production' ? {
        navigateFallback: '/',
        navigateFallbackDenylist: [
          // Never cache authentication redirects
          /^\/outpost\.goauthentik\.io/,
          /^\/akprox/,
        ],
        cleanupOutdatedCaches: true,
        globPatterns: [
          '**/*.{js,css,html,ico,png,svg}',
          '_nuxt/**/*.{js,css}',
          'assets/**/*.{png,jpg,jpeg,svg,gif,webp}'
        ],
        // Exclude authentication and sensitive paths from precaching
        globIgnores: [
          '**/_payload.json',
          '_nuxt/builds/**/*.json',
        ],
        runtimeCaching: [
          // Nuxt build metadata: Network-Only with graceful fallback for offline
          {
            urlPattern: /\/_nuxt\/builds\/(meta|latest)\/.*\.json$/,
            handler: 'NetworkOnly',
            options: {
              plugins: [
                {
                  // Fail silently when offline - these are HMR/build metadata files
                  handlerDidError: async () => {
                    return new Response(JSON.stringify({}), {
                      status: 200,
                      headers: { 'Content-Type': 'application/json' }
                    })
                  }
                }
              ]
            }
          },
          // Static images: Cache-First (offline-ready)
          {
            urlPattern: /\.(png|jpg|jpeg|svg|gif|webp|ico)$/,
            handler: 'CacheFirst',
            options: {
              cacheName: 'images-cache',
              expiration: {
                maxEntries: 50,
                maxAgeSeconds: 60 * 60 * 24 * 7 // 7 days
              },
              cacheableResponse: {
                statuses: [0, 200]
              }
            }
          },
          // API Music list: Network-First with offline fallback
          // IMPORTANTE: Esta ruta REQUIERE autenticación via Authentik
          // - Online + Autenticado: Fetches desde servidor (pasa por Authentik)
          // - Online + NO autenticado: Authentik redirige a login (401/403)
          // - Offline: Usa cache si existe
          {
            urlPattern: /\/api\/music$/,
            handler: 'NetworkFirst',
            options: {
              cacheName: 'api-music-list',
              networkTimeoutSeconds: 10,
              expiration: {
                maxEntries: 5,
                maxAgeSeconds: 60 * 5 // 5 minutes
              },
              cacheableResponse: {
                // Solo cachea respuestas exitosas (200)
                // NO cachea 401/403 (sin autenticación)
                statuses: [0, 200]
              }
            }
          },
          // API Music files: Cache-First for downloaded tracks
          // IMPORTANTE: Esta ruta REQUIERE autenticación via Authentik
          // - Cache hit: Sirve desde cache (offline-ready, no requiere auth)
          // - Cache miss + Online + Autenticado: Descarga y cachea
          // - Cache miss + Online + NO autenticado: Falla con 401/403
          // - Cache miss + Offline: Falla (app debe manejar el error)
          {
            urlPattern: /\/api\/music\/.+/,
            handler: 'CacheFirst',
            options: {
              cacheName: 'music-files-cache',
              expiration: {
                maxEntries: 100,
                maxAgeSeconds: 60 * 60 * 24 * 30 // 30 days
              },
              cacheableResponse: {
                // Solo cachea respuestas exitosas
                // NO cachea 401/403/404
                statuses: [0, 200, 206] // Include partial content
              },
              plugins: [
                {
                  // Handle authentication errors gracefully
                  handlerDidError: async ({ request }) => {
                    console.warn('[SW] Failed to fetch (posible error de auth o red):', request.url)
                    // Return null para que la app maneje el error
                    // La app puede mostrar mensaje de "requiere login" o "sin conexión"
                    return null
                  }
                }
              ]
            }
          },
          // Nuxt build assets: Cache-First (immutable)
          {
            urlPattern: /\/_nuxt\/.+\.(js|css)$/,
            handler: 'CacheFirst',
            options: {
              cacheName: 'nuxt-assets',
              expiration: {
                maxEntries: 100,
                maxAgeSeconds: 60 * 60 * 24 * 365 // 1 year for hashed assets
              },
              cacheableResponse: {
                statuses: [0, 200]
              }
            }
          }
        ]
      } : {
        // Dev SW: configuración mínima y sin patrones problemáticos
        navigateFallback: '/',
        globPatterns: ['**/*.{js,css,html,ico,png,svg}'],
        globIgnores: ['**/_payload.json', '_nuxt/builds/**/*.json'],
      },
      client: {
        installPrompt: true,
        periodicSyncForUpdates: 20
      },
      devOptions: {
        // Permite instalar SW en dev cuando se habilita explícitamente
        enabled: process.env.PWA_DEV === 'true',
        type: 'module',
        navigateFallback: '/'
      },
      manifest: {
        name: 'RepoDructor Music Player',
        short_name: 'RepoDructor',
        description: 'A beautiful glassmorphism music player for your local network',
        theme_color: '#8b5cf6', // Purple from logo gradient
        background_color: '#0f172a',
        display: 'standalone',
        orientation: 'portrait',
        scope: '/',
        start_url: '/',
        categories: ['music', 'entertainment'],
        lang: 'es',
        dir: 'ltr',
        // Capturar enlaces dentro de la app
        capture_links: 'existing-client-navigate',
        icons: [
          {
            src: '/logo-192.png',
            sizes: '192x192',
            type: 'image/png',
            purpose: 'any'
          },
          {
            src: '/logo-512.png',
            sizes: '512x512',
            type: 'image/png',
            purpose: 'any'
          },
          {
            src: '/logo-maskable-512.png',
            sizes: '512x512',
            type: 'image/png',
            purpose: 'maskable'
          },
          {
            src: '/logo-192.png',
            sizes: '192x192',
            type: 'image/png',
            purpose: 'maskable'
          }
        ]
      }
    }]
  ],
  css: ['~/assets/css/main.css'],
  
  // Nitro configuration for proxy support
  nitro: {
    experimental: {
      wasm: true,
      // Disable payload extraction in SPA mode to avoid build metadata fetches
      payloadExtraction: false
    },
    prerender: {
      crawlLinks: true,
      routes: ['/', '/offline']
    },
    // Development configuration for proxy
    devProxy: process.env.NODE_ENV === 'development' ? {} : undefined
  },

  // App configuration
  app: {
    // Disable build manifest fetching in production
    buildAssetsDir: '/_nuxt/',
    // Disable automatic payload extraction
    keepalive: false
  },
  
  // Runtime configuration
  runtimeConfig: {
    public: {
      musicPath: process.env.NUXT_PUBLIC_MUSIC_PATH || '/music'
    }
  },
})