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

export default defineConfig({
  plugins: [react()],
  resolve: {
    alias: {
      '@': path.resolve(__dirname, './src'),
    },
  },
  build: {
    outDir: 'assets',
    emptyOutDir: false, // Don't delete assets directory (contains images)
    rollupOptions: {
      input: './src/index.tsx',
      output: {
        entryFileNames: 'js/admin.js',
        assetFileNames: (assetInfo) => {
          // Handle CSS files - use original name to avoid collisions
          if (assetInfo.name?.endsWith('.css')) {
            return assetInfo.name === 'index.css' ? 'css/admin.css' : 'css/[name].[ext]';
          }
          return 'assets/[name].[ext]';
        },
      },
    },
    sourcemap: true,
  },
  server: {
    port: 3000,
    strictPort: false,
  },
});