import { defineConfig, loadEnv } from 'vite'
import react from '@vitejs/plugin-react'
import path from 'path'
import { VitePWA } from 'vite-plugin-pwa'
// import { fetchTenantNames } from './src/services/tenants'

export default defineConfig(async ({ mode }) => {
  const env = loadEnv(mode, process.cwd(), '')
  const apiUrl = env.VITE_API_URL
  const baseDomains = ['sozsoft.com', 'dev.sozsoft.com', '.sozsoft.com']

  // const tenantNames = (await fetchTenantNames(apiUrl)).map((n) => n.trim().toLowerCase())
  // const tenantHosts = tenantNames.map((t) => `${t}.sozsoft.com`)
  const tenantHosts: string[] = []

  const allowedHosts = Array.from(new Set(['localhost', ...baseDomains, ...tenantHosts]))
  console.log('> [vite] allowedHosts:', allowedHosts)

  return {
    plugins: [
      react(),
      VitePWA({
        // Deploy'dan sonra otomatik güncelle
        registerType: 'autoUpdate',
        // Kayıt kodunu otomatik enjekte et (virtual:pwa-register yazmadan da çalışır)
        injectRegister: 'auto',
        // Dev ortamında SW'yi aç, prod'da kapalı tut (build edilmiş SW prod'da zaten aktif olur)
        devOptions: {
          enabled: mode !== 'production',
          type: 'module', // Modern module worker kullan
        },

        workbox: {
          // Büyük asset'leri de cache'leyebil
          maximumFileSizeToCacheInBytes: 10 * 1024 * 1024,

          // EN KRİTİK: yeni SW beklemeden kontrolü alsın
          clientsClaim: true,
          skipWaiting: true,

          // Eski workbox cache'lerini temizle
          cleanupOutdatedCaches: true,

          // SPA fallback'i API çağrılarına uygulama
          navigateFallbackDenylist: [/^\/api\//],

          // ⭐⭐ BU KISMI EKLEYİN: Cache sorununu çözecek runtime caching
          runtimeCaching:
            mode === 'production'
              ? [
                  {
                    urlPattern: /\.(?:js|css|html|json)$/,
                    handler: 'NetworkFirst',
                    options: {
                      cacheName: 'static-resources',
                      expiration: {
                        maxEntries: 50,
                        maxAgeSeconds: 24 * 60 * 60, // 24 saat
                      },
                      cacheableResponse: {
                        statuses: [0, 200],
                      },
                    },
                  },
                  {
                    urlPattern: /\.(?:png|jpg|jpeg|svg|gif|webp|ico)$/,
                    handler: 'CacheFirst',
                    options: {
                      cacheName: 'images',
                      expiration: {
                        maxEntries: 100,
                        maxAgeSeconds: 30 * 24 * 60 * 60, // 30 gün
                      },
                    },
                  },
                ]
              : [],

          // ⭐ YENİ EKLENEN: Additional navigation route for SPA
          navigateFallback: '/index.html',
          navigateFallbackAllowlist: [/^(?!\/__).*/],
        },

        manifest: {
          name: 'Sözsoft Kurs Platform',
          short_name: 'Sözsoft Kurs Platform',
          theme_color: '#FF99C8',
          background_color: '#f0e7db',
          display: 'standalone',
          icons: [
            {
              src: '/img/logo/logo-400.png',
              sizes: '400x400',
              type: 'image/png',
              purpose: 'any maskable',
            },
            {
              src: '/img/logo/logo-192.png',
              sizes: '192x192',
              type: 'image/png',
              purpose: 'any maskable',
            },
            {
              src: '/img/logo/logo-512.png',
              sizes: '512x512',
              type: 'image/png',
              purpose: 'any maskable',
            },
          ],
          categories: ['business', 'productivity'],
          description: 'Sözsoft Kurs Platform Application',
        },
      }),
    ],

    server: {
      open: true,
      port: 3000,
      // ⭐ YENİ EKLENEN: Hot reload için polling
      watch: {
        usePolling: true,
        interval: 1000,
      },
    },

    assetsInclude: ['**/*.md'],

    resolve: {
      alias: {
        '@': path.join(__dirname, 'src'),
        inferno: 'inferno/dist/index.esm.js',
        'devextreme/ui': 'devextreme/esm/ui',
      },
    },

    build: {
      outDir: 'dist',
      sourcemap: false,
      emptyOutDir: true,
      rollupOptions: {
        output: {
          entryFileNames: `assets/[name].[hash].js`,
          chunkFileNames: `assets/[name].[hash].js`,
          assetFileNames: `assets/[name].[hash].[ext]`,
        },
      },
    },

    preview: {
      host: '0.0.0.0',
      port: 80,
      open: false,
      // Hesaplanan allowedHosts'u kullan
      allowedHosts,
    },

    define: {
      'process.env': {},
      // ⭐ YENİ EKLENEN: Version tracking için global değişkenler
      __APP_VERSION__: JSON.stringify(process.env.VITE_APP_VERSION || '1.0.0'),
      __BUILD_DATE__: JSON.stringify(new Date().toISOString()),
      __APP_MODE__: JSON.stringify(mode),
    },
  }
})