import { resolve } from 'path'
import { loadEnv } from 'vite'
import type { UserConfig, ConfigEnv } from 'vite'
import Vue from '@vitejs/plugin-vue'
import WindiCSS from 'vite-plugin-windicss'
import VueJsx from '@vitejs/plugin-vue-jsx'
import EslintPlugin from 'vite-plugin-eslint'
import VueI18n from '@intlify/vite-plugin-vue-i18n'
import { createStyleImportPlugin, ElementPlusResolve } from 'vite-plugin-style-import'
import { createSvgIconsPlugin } from 'vite-plugin-svg-icons'
import PurgeIcons from 'vite-plugin-purge-icons'
import DefineOptions from 'unplugin-vue-define-options/vite'
import { createHtmlPlugin } from 'vite-plugin-html'
import viteCompression from 'vite-plugin-compression'

// 当前执行node命令时文件夹的地址（工作目录）
const root = process.cwd()

// 路径查找
function pathResolve(dir: string) {
  return resolve(root, '.', dir)
}

// https://vitejs.dev/config/
export default ({ command, mode }: ConfigEnv): UserConfig => {
  let env = {} as any
  const isBuild = command === 'build'
  if (!isBuild) {
    env = loadEnv((process.argv[3] === '--mode' ? process.argv[4] : process.argv[3]), root)
  } else {
    env = loadEnv(mode, root)
  }
  return {
    base: env.VITE_BASE_PATH,
    root: root,
    // 服务端渲染
    server: {
      // 是否开启 https
      https: false,
      // 端口号
      port: env.VITE_PORT,
      host: "0.0.0.0",
      open: env.VITE_OPEN,
      // 本地跨域代理
      proxy: {
        ['/dev-api']: {
          target: env.VITE_BASE_URL,
          ws: false,
          changeOrigin: true,
          rewrite: (path) => path.replace(new RegExp(`^/dev-api`), ''),
        },
      },
    },
    plugins: [
      Vue(),
      VueJsx(),
      WindiCSS(),
      createStyleImportPlugin({
        resolves: [ElementPlusResolve()],
        libs: [{
          libraryName: 'element-plus',
          esModule: true,
          resolveStyle: (name) => {
            return `element-plus/es/components/${name.substring(3)}/style/css`
          }
        }]
      }),
      EslintPlugin({
        cache: false,
        include: ['src/**/*.vue', 'src/**/*.ts', 'src/**/*.tsx'] // 检查的文件
      }),
      VueI18n({
        runtimeOnly: true,
        compositionOnly: true,
        include: [resolve(__dirname, 'src/locales/**')]
      }),
      createSvgIconsPlugin({
        iconDirs: [pathResolve('src/assets/svgs')],
        symbolId: 'icon-[dir]-[name]',
        svgoOptions: true
      }),
      PurgeIcons(),
      DefineOptions(),
      viteCompression({
        verbose: true, // 是否在控制台输出压缩结果
        disable: true, // 是否禁用
        threshold: 10240, // 体积大于 threshold 才会被压缩,单位 b
        algorithm: 'gzip', // 压缩算法,可选 [ 'gzip' , 'brotliCompress' ,'deflate' , 'deflateRaw']
        ext: '.gz', // 生成的压缩包后缀
        deleteOriginFile: false //压缩后是否删除源文件
      }),
      createHtmlPlugin({
        inject: {
          data: {
            title: env.VITE_APP_TITLE,
            injectScript: `<script src="./inject.js"></script>`
          }
        }
      })
    ],

    css: {
      preprocessorOptions: {
        less: {
          additionalData: '@import "./src/styles/variables.module.less";',
          javascriptEnabled: true
        }
      }
    },
    resolve: {
      extensions: ['.mjs', '.js', '.ts', '.jsx', '.tsx', '.json', '.less', '.css'],
      alias: [
        {
          find: 'vue-i18n',
          replacement: 'vue-i18n/dist/vue-i18n.cjs.js'
        },
        {
          find: /\@\//,
          replacement: `${pathResolve('src')}/`
        }
      ]
    },
    build: {
      minify: 'terser',
      outDir: env.VITE_OUT_DIR || 'dist',
      sourcemap: env.VITE_SOURCEMAP === 'true' ? 'inline' : false,
      // brotliSize: false,
      terserOptions: {
        compress: {
          drop_debugger: env.VITE_DROP_DEBUGGER === 'true',
          drop_console: env.VITE_DROP_CONSOLE === 'true'
        }
      }
    },
    optimizeDeps: {
      include: [
        'vue',
        'vue-router',
        'vue-types',
        'vue-i18n',
        'element-plus/es',
        'element-plus/es/locale/lang/zh-cn',
        'element-plus/es/locale/lang/en',
        '@iconify/iconify',
        '@vueuse/core',
        'axios',
        'qs',
        'dayjs',
        'echarts',
        'echarts-wordcloud',
        'intro.js',
        'qrcode',
        'pinia',
        '@wangeditor/editor',
        '@wangeditor/editor-for-vue'
      ]
    }
  }
}