import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import AutoImport from 'unplugin-auto-import/vite'
import Components from 'unplugin-vue-components/vite'
import { ElementPlusResolver } from 'unplugin-vue-components/resolvers'
import compression from 'vite-plugin-compression'

// https://vitejs.dev/config/
export default defineConfig({
  plugins: [
    vue(),
    AutoImport({
      // 自动导入 Vue 相关函数，如：ref, reactive, toRef 等
      imports: ['vue', 'vue-router', 'pinia'],
      // 自动导入 Element Plus 相关函数，如：ElMessage, ElMessageBox 等
      resolvers: [ElementPlusResolver()],
      dts: 'src/auto-imports.d.ts',
    }),
    Components({
      // 自动导入 Element Plus 组件
      resolvers: [ElementPlusResolver()],
      dts: 'src/components.d.ts',
    }),
    // 开启 Gzip 压缩
    compression({
      verbose: true,
      disable: false,
      threshold: 10240,
      algorithm: 'gzip',
      ext: '.gz',
    }),
  ],
  resolve: {
    alias: {
      '@': '/src',
      '@components': '/src/components',
      '@views': '/src/views',
      '@api': '/src/api',
      '@utils': '/src/utils',
      '@assets': '/src/assets',
    },
  },
  css: {
    preprocessorOptions: {
      scss: {
        additionalData: `@import "@/assets/style.scss";`,
      },
    },
  },
  server: {
    port: 3000,
    open: true,
    cors: true,
    proxy: {
      '/api': {
        target: 'http://localhost:8080',
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/api/, ''),
      },
    },
  },
  build: {
    // 生产环境构建配置
    target: 'es2015',
    outDir: 'dist',
    assetsDir: 'assets',
    minify: 'terser',
    terserOptions: {
      compress: {
        drop_console: true,
        drop_debugger: true,
      },
    },
    rollupOptions: {
      output: {
        chunkFileNames: 'assets/js/[name]-[hash].js',
        entryFileNames: 'assets/js/[name]-[hash].js',
        assetFileNames: 'assets/[ext]/[name]-[hash].[ext]',
        manualChunks: {
          'element-plus': ['element-plus'],
          'vue-vendor': ['vue', 'vue-router', 'pinia'],
        },
      },
    },
  },
})