import { resolve } from 'node:path';
import { loadEnv } from 'vite';
import vueJsx from '@vitejs/plugin-vue-jsx';
// import mkcert from 'vite-plugin-mkcert'; //for https
import vue from '@vitejs/plugin-vue';
import checker from 'vite-plugin-checker';
import Components from 'unplugin-vue-components/vite';
import { AntDesignVueResolver } from 'unplugin-vue-components/resolvers';
import Unocss from 'unocss/vite';
import { createSvgIconsPlugin } from 'vite-plugin-svg-icons';
import dayjs from 'dayjs';
import pkg from './package.json';
import type { UserConfig, ConfigEnv } from 'vite';

const CWD = process.cwd();

// 环境变量
// const BASE_ENV_CONFIG = loadEnv('', CWD);
// const DEV_ENV_CONFIG = loadEnv('development', CWD);
// const PROD_ENV_CONFIG = loadEnv('production', CWD);

const __APP_INFO__ = {
  pkg,
  lastBuildTime: dayjs().format('YYYY-MM-DD HH:mm:ss'),
};

// https://vitejs.dev/config/
export default ({ command, mode }: ConfigEnv): UserConfig => {
  // 环境变量
  const { VITE_BASE_URL, VITE_DROP_CONSOLE /* VITE_MOCK_IN_PROD  */, VITE_LINT_CODE } = loadEnv(
    mode,
    CWD,
  );
  const isLintCode = VITE_LINT_CODE === 'true';
  const isDev = command === 'serve';
  // const isBuild = command === 'build';

  return {
    base: VITE_BASE_URL,
    define: {
      __APP_INFO__: JSON.stringify(__APP_INFO__),
    },
    resolve: {
      alias: [
        {
          find: '@',
          replacement: resolve(__dirname, './src'),
        },
      ],
    },
    plugins: [
      vue(),
      Unocss(),
      vueJsx({
        // options are passed on to @vue/babel-plugin-jsx
      }),
      // 指定 mkcert 的下载源为 coding，从 coding.net 镜像下载证书
      // mkcert({ source: 'coding' }), // for https local test
      // mockServerPlugin({ build: isBuild && VITE_MOCK_IN_PROD === 'true' }),
      createSvgIconsPlugin({
        // Specify the icon folder to be cached
        iconDirs: [resolve(CWD, 'src/assets/icons')],
        // Specify symbolId format
        symbolId: 'svg-icon-[dir]-[name]',
      }),
      Components({
        dts: 'types/components.d.ts',
        types: [
          {
            from: './src/components/basic/button/',
            names: ['AButton'],
          },
          {
            from: 'vue-router',
            names: ['RouterLink', 'RouterView'],
          },
        ],
        resolvers: [
          AntDesignVueResolver({
            importStyle: false, // css in js
            exclude: ['Button'],
          }),
        ],
      }),
      // https://github.com/fi3ework/vite-plugin-checker
      isDev &&
        isLintCode &&
        checker({
          typescript: true,
          vueTsc: true,
          eslint: {
            lintCommand: 'eslint "./src/**/*.{.vue,ts,tsx}"', // for example, lint .ts & .tsx
          },
        }),
    ],
    css: {
      preprocessorOptions: {
        less: {
          javascriptEnabled: true,
          modifyVars: {},
          additionalData: `
            @import '@/styles/variables.less'; 
          `,
        },
        // scss: {
        //   additionalData: `
        //   @use 'sass:math';
        //   @import "src/styles/global.scss";
        //   `,
        // },
      },
    },
    server: {
      host: '0.0.0.0',
      port: 8088,
      proxy: {
        '/api': {
          target: 'http://127.0.0.1:8001',
          changeOrigin: true,
          rewrite: (path) => path.replace(/^\/api/, ''),
        },
        '/upload': {
          target: 'http://127.0.0.1:8001/upload',
          changeOrigin: true,
          ws: true,
          rewrite: (path) => path.replace(new RegExp(`^/upload`), ''),
        },
      },
    },
    optimizeDeps: {
      include: ['lodash-es', 'ant-design-vue/es/locale/zh_CN', 'ant-design-vue/es/locale/en_US'],
    },
    esbuild: {
      pure: VITE_DROP_CONSOLE === 'true' ? ['console.log', 'debugger'] : [],
      supported: {
        // https://github.com/vitejs/vite/pull/8665
        'top-level-await': true,
      },
    },
    build: {
      target: 'es2022',
      minify: 'esbuild',
      cssTarget: 'chrome89',
      chunkSizeWarningLimit: 2000,
      rollupOptions: {
        output: {
          // minifyInternalExports: false,
          //TODO fix circular imports
          manualChunks(id) {
            if (id.includes('/node_modules/')) {
              return 'vendor';
            }
            if (id.includes('/src/locales/helper.ts')) {
              return 'vendor';
            } else if (id.includes('ant-design-vue')) {
              return 'vendor';
            }
          },
        },
      },
    },
  };
};