import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'
import { VitePWA } from 'vite-plugin-pwa'
import path from 'path'

// Parse allowed hosts from environment variable
const getAllowedHosts = () => {
  const hosts = process.env.VITE_ALLOWED_HOSTS;

  // If set to 'all', allow all hosts
  if (hosts === 'all') {
    return 'all';
  }

  // If set, parse comma-separated list
  if (hosts) {
    return hosts.split(',').map(h => h.trim());
  }

  // Default: localhost only
  return ['localhost'];
};

// https://vite.dev/config/
export default defineConfig({
  plugins: [
    react(),
    VitePWA({
      registerType: 'autoUpdate',
      includeAssets: ['favicon.ico', 'robots.txt', 'apple-touch-icon.png'],
      manifest: {
        name: 'spotlight.cam - Dance Event Video Exchange',
        short_name: 'spotlight',
        description: 'P2P video exchange platform for dance event participants',
        theme_color: '#6366f1',
        background_color: '#ffffff',
        display: 'standalone',
        orientation: 'portrait',
        scope: '/',
        start_url: '/',
        icons: [
          {
            src: '/icons/icon-192x192.png',
            sizes: '192x192',
            type: 'image/png',
            purpose: 'any maskable',
          },
          {
            src: '/icons/icon-512x512.png',
            sizes: '512x512',
            type: 'image/png',
            purpose: 'any maskable',
          },
          {
            src: '/icons/apple-touch-icon.png',
            sizes: '180x180',
            type: 'image/png',
          },
        ],
      },
      workbox: {
        // Cache only static assets (no API caching)
        globPatterns: ['**/*.{js,css,html,ico,png,svg,woff2}'],
        runtimeCaching: [
          {
            // Cache images from ui-avatars.com
            urlPattern: /^https:\/\/ui-avatars\.com\/.*/i,
            handler: 'CacheFirst',
            options: {
              cacheName: 'avatar-images',
              expiration: {
                maxEntries: 100,
                maxAgeSeconds: 60 * 60 * 24 * 7, // 7 days
              },
              cacheableResponse: {
                statuses: [0, 200],
              },
            },
          },
        ],
        navigateFallback: null, // Disable offline fallback (app requires internet)
      },
      devOptions: {
        enabled: false, // Disable in dev to avoid conflicts
      },
    }),
  ],
  server: {
    host: '0.0.0.0',
    port: 5173,
    allowedHosts: getAllowedHosts(),
    watch: {
      usePolling: true,
    },
    hmr: {
      clientPort: 8080,
    },
  },
  test: {
    globals: true,
    environment: 'jsdom',
    setupFiles: './src/test/setup.js',
    css: true,
    coverage: {
      provider: 'v8',
      reporter: ['text', 'json', 'html'],
      exclude: [
        'node_modules/',
        'src/test/',
        '**/*.config.js',
        '**/*.config.ts',
      ],
    },
  },
})