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

export default defineConfig({
  plugins: [
    react(),
    VitePWA({
      registerType: 'autoUpdate',
      includeAssets: ['favicon.svg', 'icon-192.svg', 'icon-512.svg', 'print.css'],
      manifest: {
        name: 'LeoCRM',
        short_name: 'LeoCRM',
        description: 'Self-hosted CRM system for small sales teams',
        theme_color: '#3b82f6',
        background_color: '#0f172a',
        display: 'standalone',
        start_url: '/',
        icons: [
          {
            src: '/icon-192.svg',
            sizes: '192x192',
            type: 'image/svg+xml',
            purpose: 'any maskable',
          },
          {
            src: '/icon-512.svg',
            sizes: '512x512',
            type: 'image/svg+xml',
            purpose: 'any maskable',
          },
        ],
      },
      workboxConfig: {
        globPatterns: ['**/*.{js,css,html,svg,png,ico,woff2}'],
        maximumFileSizeToCacheInBytes: 5 * 1024 * 1024,
        runtimeCaching: [
          {
            urlPattern: /^https:\/\/fonts\.googleapis\.com\/.*/i,
            handler: 'CacheFirst',
            options: {
              cacheName: 'google-fonts-cache',
              expiration: {
                maxEntries: 10,
                maxAgeSeconds: 60 * 60 * 24 * 365,
              },
            },
          },
          {
            urlPattern: /\/_app\/api\//i,
            handler: 'NetworkOnly',
          },
        ],
      },
      devOptions: {
        enabled: false,
      },
    }),
  ],
  resolve: {
    alias: {
      '@': resolve(__dirname, 'src'),
    },
  },
  server: {
    port: 5173,
    proxy: {
      '/api': {
        target: 'http://localhost:8000',
        changeOrigin: true,
      },
    },
  },
  build: {
    rollupOptions: {
      output: {
        manualChunks(id) {
          if (id.includes('node_modules')) {
            if (id.includes('react-router')) return 'react-vendor';
            if (id.includes('react-dom')) return 'react-vendor';
            if (id.includes('/react/') || id.includes('\\react\\')) return 'react-vendor';
            if (id.includes('@tanstack')) return 'tanstack';
            if (id.includes('lucide-react')) return 'icons';
            if (id.includes('react-markdown') || id.includes('remark-gfm')) return 'markdown';
            if (id.includes('date-fns') || id.includes('clsx') || id.includes('class-variance-authority') || id.includes('tailwind-merge')) return 'utils';
            if (id.includes('zustand') || id.includes('immer')) return 'react-vendor';
            if (id.includes('i18next') || id.includes('react-i18next')) return 'i18n';
          }
          // Split @/components/ui into its own chunk
          if (id.includes('/src/components/ui/')) {
            return 'ui-components';
          }
        },
      },
    },
  },
  test: {
    globals: true,
    environment: 'jsdom',
    setupFiles: 'src/test/setup.ts',
    css: true,
    coverage: {
      provider: 'v8',
      reporter: ['text', 'json-summary'],
      include: ['src/**/*.{ts,tsx}'],
      exclude: ['src/test/**', 'src/**/*.d.ts', 'src/main.tsx', 'e2e/**'],
    },
  },
});