import { resolve } from 'path'
import { ConfigEnv, defineConfig, loadEnv, ServerOptions, UserConfig } from 'vite'
import vue, { parseVueRequest } from '@vitejs/plugin-vue'
import vueJsx from '@vitejs/plugin-vue-jsx'
import { createSvgIconsPlugin } from 'vite-plugin-svg-icons'
import { ViteMockOptions, viteMockServe } from 'vite-plugin-mock'
import Components from 'unplugin-vue-components/vite'
import UnoCSS from 'unocss/vite'
import { presetAttributify, presetIcons, presetUno } from 'unocss'
import mkcert from 'vite-plugin-mkcert'
import AutoImport from 'unplugin-auto-import/vite'
import setting from './src/settings'
import ReactivityTransform from '@vue-macros/reactivity-transform/vite'
// const prodMock = setting.openProdMock
import vitePluginSetupExtend from './src/plugins/vite-plugin-setup-extend'
import vitePluginVueSetupExtend from 'vite-plugin-vue-setup-extend'
import packageJson from './package.json'
// import { visualizer } from 'rollup-plugin-visualizer'
const pathSrc = resolve(__dirname, 'src')
export default defineConfig(({ command, mode }: ConfigEnv): UserConfig => {
  //const env = loadEnv(mode, process.cwd(), '') //获取环境变量
  return {
    base: setting.viteBasePath,
    define: {
      //define global var
      GLOBAL_STRING: JSON.stringify('i am global var from vite.config.js define'),
      GLOBAL_VAR: { test: 'i am global var from vite.config.js define' },
      'import.meta.env.PROJECT_VERSION': JSON.stringify(packageJson.version)
    },
    clearScreen: false, //设为 false 可以避免 Vite 清屏而错过在终端中打印某些关键信息
    server: {
      //hmr: { overlay: false }, //设置 server.hmr.overlay 为 false 可以禁用开发服务器错误的屏蔽。方便错误查看
      port: 5005, // 类型： number 指定服务器端口;
      open: false, // 类型： boolean | string在服务器启动时自动在浏览器中打开应用程序；
      host: true,
      // @ts-ignore
      https: false
    },
    preview: {
      port: 5006,
      host: true,
      strictPort: true
    },
    plugins: [
      vue(),
      vueJsx(),
      ReactivityTransform(),
      UnoCSS({
        presets: [presetUno(), presetAttributify(), presetIcons()]
      }),
      mkcert(),
      //compatible with old browsers
      // legacy({
      //   targets: ['chrome 52'],
      //   additionalLegacyPolyfills: ['regenerator-runtime/runtime']
      // }),
      createSvgIconsPlugin({
        iconDirs: [resolve(process.cwd(), 'src/icons/common'), resolve(process.cwd(), 'src/icons/nav-bar')],
        symbolId: 'icon-[dir]-[name]'
      }),
      //https://github.com/anncwb/vite-plugin-mock/blob/HEAD/README.zh_CN.md
      // viteMockServe({
      //   mockPath: 'mock',
      //   localEnabled: command === 'serve',
      //   prodEnabled: prodMock,
      //   injectCode: `
      //     import { setupProdMockServer } from '../mock-prod-server';
      //     setupProdMockServer();
      //   `,
      //   logger: true
      // } as ViteMockOptions),
      // VueSetupExtend(),using  DefineOptions instant of it
      //https://github.com/antfu/unplugin-auto-import/blob/HEAD/src/types.ts
      Components({
        dirs: ['src/components', 'src/icons'],
        extensions: ['vue'],
        deep: true,
        dts: './typings/components.d.ts'
      }),
      AutoImport({
        imports: [
          'vue',
          'vue-router',
          {
            'pinia/dist/pinia': ['storeToRefs']
          }
        ],
        //配置后会自动扫描目录下的文件
        dirs: ['src/hooks/**', 'src/store/**', 'src/directives/**'],
        eslintrc: {
          enabled: true, // Default `false`
          filepath: './eslintrc/.eslintrc-auto-import.json', // Default `./.eslintrc-auto-import.json`
          globalsPropValue: true // Default `true`, (true | false | 'readonly' | 'readable' | 'writable' | 'writeable')
        },
        dts: './typings/auto-imports.d.ts'
      }),

      vitePluginSetupExtend({ inject: { title: setting.title } }),
      vitePluginVueSetupExtend(),
      //依赖分析插件
      // visualizer({
      //   open: true,
      //   gzipSize: true,
      //   brotliSize: true
      // })

      {
        name: 'index-transform',
        transform(code, id) {
          const { filename } = parseVueRequest(id)
          if (!filename.includes('vite/preload-helper')) return code
          const fn = 'export const __vitePreload'
          const index = code.indexOf(fn)
          const head = code
            .slice(0, index)
            .split(';')
            .map((it) => `${it};`)
          const preload = code.slice(index)
          const assetsURLIndex = head.findIndex((it) => it.startsWith('const assetsURL'))
          let assetsURL = head[assetsURLIndex]
          assetsURL = assetsURL.replace(' return ', " return (window.NGINX_BASE_URL || '') + ")
          head[assetsURLIndex] = assetsURL
          return [...head, preload].join('\n')
        }
      }
    ],
    build: {
      chunkSizeWarningLimit: 10000, //消除触发警告的 chunk, 默认500k
      assetsDir: 'static/assets',
      rollupOptions: {
        output: {
          chunkFileNames: 'static/js/chunk-[hash].js',
          entryFileNames: 'static/js/index.js',
          assetFileNames: 'static/[ext]/[hash].[ext]'
        }
      }
    },
    resolve: {
      alias: {
        '@/': `${pathSrc}/`,
        'vue-i18n': 'vue-i18n/dist/vue-i18n.cjs.js' //remove i18n waring
      }
    },
    optimizeDeps: {
      //include: [...optimizeDependencies,...optimizeElementPlus] //on-demand element-plus use this
      include: ['moment-mini']
    }
  }
})