import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react-swc';
import viteCompression from 'vite-plugin-compression';
import { visualizer } from 'rollup-plugin-visualizer';
import path from 'path';

export default defineConfig({
  plugins: [
    react(),
    viteCompression({
      algorithm: 'brotliCompress',
      ext: '.br',
      threshold: 10240, // Seuil pour activer la compression (10 Ko)
    }),
    viteCompression({
      algorithm: 'gzip',
      ext: '.gz',
      threshold: 10240,
    }),
    visualizer({
      open: false, // Désactive l'ouverture automatique du visualiseur
      filename: 'stats.html',
      template: 'treemap',
    }),
  ],
  
  resolve: {
    alias: {
      '@pages': path.resolve(__dirname, './src/pages'),
      '@components': path.resolve(__dirname, './src/components'),
      '@assets': path.resolve(__dirname, './src/assets'),
    },
  },
  build: {
    target: 'esnext',
    minify: 'esbuild',
    sourcemap: true, // Active les sourcemaps pour faciliter le débogage
    rollupOptions: {
      output: {
        manualChunks(id) {
          if (id.includes('node_modules')) {
            if (id.includes('@mui')) {
              return 'vendor_mui';
            }
            return 'vendor';
          }
        },
      },
    },
  },
  server: {
    port: 3000,
    open: true,
    cors: true,
  },
  optimizeDeps: {
    include: ['swiper/react', 'swiper/modules'],
    exclude: ['cssnano'], // Exclut les dépendances problématiques comme cssnano
  },
});