import { fileURLToPath, URL } from 'node:url'

import { defineConfig, loadEnv } from 'vite'
import vue from '@vitejs/plugin-vue'
import AutoImport from 'unplugin-auto-import/vite'
import Components from 'unplugin-vue-components/vite'
import DefineOptions from 'unplugin-vue-define-options/vite'
import { createSvgIconsPlugin } from 'vite-plugin-svg-icons'
import path from 'path'
import { AntDesignVueResolver } from 'unplugin-vue-components/resolvers'

// console.log(process)
// console.log(import.meta.env.VITE_APP_URL)

// https://vitejs.dev/config/

export default defineConfig(({ mode }) => {
  const env = loadEnv(mode, process.cwd())
  const isProduction = mode === 'production'

  return {
    plugins: [
      vue(),
      DefineOptions(),
      AutoImport({
        resolvers: [],
        imports: [
          'vue',
          'vue-router',
          {
            'lodash-es': [
              'debounce',
              'cloneDeep',
              'cloneDeepWith',
              'isBoolean',
              'isString',
              'isNumber',
              'isArray',
              'isDate',
              'isFunction',
              'isNaN',
              'isNull',
              'isObject',
              'isUndefined'
            ]
          }
        ]
      }),
      Components({
        resolvers: [AntDesignVueResolver({ importStyle: false })]
      }),
      createSvgIconsPlugin({
        iconDirs: [path.resolve(process.cwd(), 'src/assets/icons')],
        symbolId: 'icon-[dir]-[name]',
        inject: 'body-last'
      })
    ],
    define: {
      __VUE_PROD_HYDRATION_MISMATCH_DETAILS__: false
    },
    css: {
      preprocessorOptions: {
        less: {
          modifyVars: {
            'primary-color': '#ec6800'
          },
          javascriptEnabled: true,
          additionalData: `@import "${path.resolve(__dirname, 'src/assets/css/style.less')}";`
        }
      }
    },
    resolve: {
      alias: {
        '@': fileURLToPath(new URL('./src', import.meta.url)),
        _c: fileURLToPath(new URL('./src/components', import.meta.url))
      }
    },
    server: {
      host: '0.0.0.0',
      port: 8088,
      open: true,
      strictPort: true,
      hmr: {
        overlay: true
      },
      proxy: {
        '/api': {
          target: env.VITE_APP_URL,
          changeOrigin: true,
          rewrite: (path) => path.replace(/^\/api/, '/api')
        }
      }
    },

    // ========== 打包配置 ==========
    build: {
      // 构建目标浏览器
      target: 'es2015',
      // 是否生成 sourcemap
      sourcemap: isProduction ? false : 'eval',
      // 打包文件输出目录
      outDir: 'dist',
      // 静态资源输出目录（相对于 outDir）
      assetsDir: 'assets',
      // 小于此阈值的导入将内联为 base64
      assetsInlineLimit: 4096,
      // 启用 CSS 代码分割
      cssCodeSplit: true,
      // 公共基础路径
      publicDir: 'public',
      // 启用 gzip 压缩大小限制
      chunkSizeWarningLimit: 500,
      // 自定义 chunk 分包策略
      rollupOptions: {
        output: {
          // 静态资源打包命名
          assetFileNames: (assetInfo) => {
            const info = assetInfo.name || ''
            if (/\.(woff|woff2?|eot|ttf|otf)$/i.test(info)) {
              return 'assets/fonts/[name]-[hash][extname]'
            }
            if (/\.(png|jpe?g|gif|svg|webp|avif|ico)$/i.test(info)) {
              return 'assets/images/[name]-[hash][extname]'
            }
            if (/\.(mp4|webm|ogg|mp3|wav|flac|aac)$/i.test(info)) {
              return 'assets/media/[name]-[hash][extname]'
            }
            return 'assets/[name]-[hash][extname]'
          },
          // chunk 分包命名
          chunkFileNames: 'assets/js/[name]-[hash].js',
          // 入口文件命名
          entryFileNames: 'assets/js/[name]-[hash].js',
          // 手动分包策略
          manualChunks: {
            // 核心框架
            'vue-core': ['vue', 'vue-router', 'pinia', 'pinia-plugin-persistedstate'],
            // 国际化
            'vue-i18n-core': ['vue-i18n'],
            // UI 框架
            'ant-design': ['ant-design-vue'],
            // 工具库
            'utils': ['lodash-es', 'axios'],
            // 其他依赖
            'vendor': ['gsap', 'crypto-js']
          }
        }
      },
      // 依赖预构建优化
      optimizeDeps: {
        include: [
          'vue',
          'vue-router',
          'pinia',
          'vue-i18n',
          'ant-design-vue',
          'axios',
          'lodash-es',
          'gsap',
          'crypto-js'
        ]
      },
      // 压缩配置
      minify: 'terser',
      terserOptions: {
        compress: {
          drop_console: isProduction, // 生产环境移除 console
          drop_debugger: isProduction, // 生产环境移除 debugger
          pure_funcs: isProduction ? ['console.log'] : []
        },
        format: {
          comments: false // 移除注释
        }
      }
    },

    // 预览服务器配置
    preview: {
      host: '0.0.0.0',
      port: 8088,
      open: true,
      proxy: {
        '/api': {
          target: env.VITE_APP_URL,
          changeOrigin: true
        }
      }
    }
  }
})