import { fileURLToPath, URL } from "node:url";
import { defineConfig, loadEnv } from "vite";
import vue from "@vitejs/plugin-vue";
import vueJsx from "@vitejs/plugin-vue-jsx";
import Components from "unplugin-vue-components/vite";
import {ElementPlusResolver, VantResolver} from "unplugin-vue-components/resolvers";
import { createSvgIconsPlugin } from "vite-plugin-svg-icons";
import AutoImport from 'unplugin-auto-import/vite';
import path from "path";
import mockDevServerPlugin from "vite-plugin-mock-dev-server";
import vueSetupExtend from "vite-plugin-vue-setup-extend";
import viteCompression from "vite-plugin-compression";
import { createHtmlPlugin } from "vite-plugin-html";
import { enableCDN } from "./build/cdn";
import { ViteImageOptimizer } from 'vite-plugin-image-optimizer';
import legacy from '@vitejs/plugin-legacy';

// 当前工作目录路径
const root: string = process.cwd();

// https://vitejs.dev/config/
export default defineConfig(({ mode }) => {
  // 环境变量
  const env = loadEnv(mode, root, "");
  return {
    base: env.VITE_PUBLIC_PATH || "/",
    plugins: [
      vue(),
      vueJsx(),
      mockDevServerPlugin(),
      // vant 组件自动按需引入
      Components({
        dts: "src/typings/components.d.ts",
        resolvers: [VantResolver()]
      }),
      // svg icon
      createSvgIconsPlugin({
        // 指定图标文件夹
        iconDirs: [path.resolve(root, "src/icons/svg")],
        // 指定 symbolId 格式
        symbolId: "icon-[dir]-[name]"
      }),
      // 允许 setup 语法糖上添加组件名属性
      vueSetupExtend(),
      // 生产环境 gzip 压缩资源
      viteCompression(),
      // 注入模板数据
      createHtmlPlugin({
        inject: {
          data: {
            ENABLE_ERUDA: env.VITE_ENABLE_ERUDA || "false"
          }
        }
      }),
      // 自动引入组件
      AutoImport({
        // 自动导入 Vue 相关函数
        imports: ['vue', 'vue-router', '@vueuse/core', 'pinia'],
        dts: './auto-imports.d.ts',
        eslintrc: {
          enabled: false,
          filepath: './.eslintrc-auto-import.json',
          globalsPropValue: true
        },
        resolvers: [
          ElementPlusResolver()
        ],
        vueTemplate: true, // 是否在 vue 模板中自动导入

      }),
      legacy({
        targets: ['defaults', 'Chrome >= 51'],
        additionalLegacyPolyfills: ['regenerator-runtime/runtime'],
        modernPolyfills: ['es.string.replace-all'],
        renderLegacyChunks: true,
        polyfills: [
          'es.array.flat-map',
          'es.array.filter',
          'es.promise',
          'es.promise.finally',
          'es.object.assign',
          'es.array.for-each',
          'es.object.define-properties',
          'es.object.define-property',
          'es.object.get-own-property-descriptor',
          'es.object.get-own-property-descriptors',
          'es.object.keys',
          'es.object.to-string',
          'web.dom-collections.for-each',
          'esnext.global-this',
          'esnext.string.match-all',
          'es.array.iterator',
          'es.string.includes',
          'es.string.starts-with',
          'es.object.values'
        ]
      }),
      // 生产环境默认不启用 CDN 加速
      enableCDN(env.VITE_CDN_DEPS),
      ViteImageOptimizer()
    ],
    resolve: {
      alias: {
        "@": fileURLToPath(new URL("./src", import.meta.url))
      }
    },
    server: {
      host: true,
      port: Number(env.VITE_APP_PORT),
      open: true
      // 仅在 proxy 中配置的代理前缀， mock-dev-server 才会拦截并 mock
      // doc: https://github.com/pengzhanbo/vite-plugin-mock-dev-server
      // proxy: {
      //   "^/dev-api": {
      //     target: ""
      //   }
      // }
    },
    css: {
      preprocessorOptions: {
        scss: { api: 'modern-compiler' },
      }
    },
    build: {
      rollupOptions: {
        output: {
          chunkFileNames: "static/js/[name]-[hash].js",
          entryFileNames: "static/js/[name]-[hash].js",
          assetFileNames: "static/[ext]/[name]-[hash].[ext]"
        }
      }
    }
  };
});