import { defineConfig } from 'vite';
import preact from '@preact/preset-vite';
import { VitePWA } from 'vite-plugin-pwa';
import { resolve } from 'path';

export default defineConfig({
  plugins: [
    preact(),
    VitePWA({
      registerType: 'autoUpdate',
      includeAssets: ['favicon.ico', 'robots.txt', 'apple-touch-icon.png'],
      manifest: {
        name: 'DSS Admin',
        short_name: 'DSS',
        description: 'Design System Server Administration',
        theme_color: '#0f172a',
        background_color: '#ffffff',
        display: 'standalone',
        icons: [
          {
            src: 'pwa-192x192.png',
            sizes: '192x192',
            type: 'image/png'
          },
          {
            src: 'pwa-512x512.png',
            sizes: '512x512',
            type: 'image/png'
          }
        ]
      },
      workbox: {
        globPatterns: ['**/*.{js,css,html,ico,png,svg}'],
        runtimeCaching: [
          {
            urlPattern: /^\/api\/.*/i,
            handler: 'NetworkFirst',
            options: {
              cacheName: 'api-cache',
              expiration: {
                maxEntries: 100,
                maxAgeSeconds: 60 * 60 // 1 hour
              }
            }
          }
        ]
      }
    })
  ],
  resolve: {
    alias: {
      '@': resolve(__dirname, './src'),
      'react': 'preact/compat',
      'react-dom': 'preact/compat'
    }
  },
  server: {
    port: 3456,
    proxy: {
      '/api': {
        target: 'http://localhost:8002',
        changeOrigin: true
      }
    }
  },
  build: {
    outDir: 'dist',
    sourcemap: true,
    rollupOptions: {
      output: {
        manualChunks: {
          'preact': ['preact', '@preact/signals']
        }
      }
    }
  }
});