import vue from '@vitejs/plugin-vue';
import {resolve} from 'path';
import {defineConfig, loadEnv, ConfigEnv} from 'vite';
import vueSetupExtend from 'vite-plugin-vue-setup-extend';
import legacy from '@vitejs/plugin-legacy';
// @ts-ignore
import AutoImport from 'unplugin-auto-import/vite'
// @ts-ignore
import {ElementPlusResolver} from 'unplugin-vue-components/resolvers'
import { createSvgIconsPlugin } from "vite-plugin-svg-icons";

const pathResolve = (dir: string) => {
  return resolve(__dirname, '.', dir);
};

const alias: Record<string, string> = {
  '/@': pathResolve('./src/'),
  '@': pathResolve('./src'),
  'vue-i18n': 'vue-i18n/dist/vue-i18n.cjs.js',
};
// @ts-ignore
import config from "./src/utils/config.js"
import * as path from "path";
let prefixKeys = Object.keys(config).filter(i => i.includes('Prefix'))
let proxyObj = prefixKeys.reduce((r, i) => {
  let prefix = config[i]
  r[prefix] = {
    target: config.proxyLocation + prefix,
    ws: true,
    changeOrigin: true,
    rewrite: (path: string) => path.replace(new RegExp('^' + prefix), ''),
    timeout: 10000000,
  }
  return r
}, {})

// @ts-ignore
const viteConfig = defineConfig((mode: ConfigEnv) => {
  const env = loadEnv(mode.mode, process.cwd());
  return {
    plugins: [
      vue(),
      legacy({
        targets: ['since 2015'],
        additionalLegacyPolyfills: ['regenerator-runtime/runtime'], // regenerator-runtime/runtime   @dian/polyfill
        renderLegacyChunks: true,
        polyfills: [
          'es.symbol',
          'es.array.filter',
          'es.promise',
          'es.promise.finally',
          'es/map',
          'es/set',
          '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.object.entries',
          'es.object.from-entries',
          'esnext.object.iterate-entries',
        ],
        modernPolyfills: ['es.string.replace-all'],
      }),
      vueSetupExtend(),
      AutoImport({
        imports: ['vue', 'vue-router', 'pinia'],
        resolvers: [
          ElementPlusResolver({
            importStyle: 'sass'
          })
        ],
        dts: false
      }),
      createSvgIconsPlugin({
        iconDirs: [path.resolve(process.cwd(), "src/assets/svg-icons")],//svg文件存放的路径
        symbolId: "icon-[name]",
      }),
    ],
    root: process.cwd(),
    resolve: {alias, extensions: ['.mjs', '.js', '.ts', '.jsx', '.tsx', '.json', '.vue']},
    base: mode.mode === 'development' ? '/' : '/mcp',
    optimizeDeps: {
      include: ['element-plus/lib/locale/lang/zh-cn', 'element-plus/lib/locale/lang/en', 'element-plus/lib/locale/lang/zh-tw', 'form-data', 'follow-redirects'],
    },
    server: {
      host: 'mcp.9n1m.com', //  真机模拟，使用
      // host: '127.0.0.1', //  真机模拟，使用
      port: 80,
      open: env.VITE_OPEN,
      hmr: true,
      proxy: proxyObj
    },
    build: {
      minify: 'terser',
      terserOptions: {
        compress: {
          drop_console: true,
          drop_debugger: true,
        },
      },
      outDir: 'dist',
      chunkSizeWarningLimit: 1500,
      rollupOptions: {
        output: {
          entryFileNames: `assets/[name].[hash].js`,
          chunkFileNames: `assets/[name].[hash].js`,
          assetFileNames: `assets/[name].[hash].[ext]`,
          compact: true,
          manualChunks: {
            vue: ['vue', 'vue-router', 'pinia'],
            echarts: ['echarts'],
          },
        },
      },
    },
    css: {
      preprocessorOptions: {
        css: {charset: false},
        preprocessorOptions: {
          scss: {
            additionalData: `@use "@/assets/styles/element/index.scss" as *;`,
          },
        },
      }
    },
    define: {
      __VUE_I18N_LEGACY_API__: JSON.stringify(false),
      __VUE_I18N_FULL_INSTALL__: JSON.stringify(false),
      __INTLIFY_PROD_DEVTOOLS__: JSON.stringify(false),
      __VERSION__: JSON.stringify(process.env.npm_package_version),
    },
  };
});

export default viteConfig;