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'),
    },
  },
  server: {
    port: 3000,
    proxy: {
      '/api': {
        target: 'http://localhost:3001',
        changeOrigin: true,
      },
    },
  },
  build: {
    outDir: 'dist',
    sourcemap: true,
    rollupOptions: {
      output: {
        manualChunks: {
          // Vendor chunks - split by functionality
          'vendor-react': ['react', 'react-dom', 'react-router-dom'],
          'vendor-query': ['@tanstack/react-query'],
          'vendor-ui': ['lucide-react', 'clsx', 'react-hot-toast'],
          'vendor-forms': ['react-hook-form'],
          'vendor-charts': ['recharts'],
          'vendor-utils': ['axios', 'date-fns', 'zustand'],
        },
      },
    },
    chunkSizeWarningLimit: 600,
  },
});