import { defineConfig, loadEnv } from 'vite'
import vue from '@vitejs/plugin-vue'
import AutoImport from 'unplugin-auto-import/vite'
// https://vitejs.dev/config/
import { resolve } from 'path'
import vueJsx from '@vitejs/plugin-vue-jsx'
import Components from 'unplugin-vue-components/vite'
import { ElementPlusResolver } from 'unplugin-vue-components/resolvers'
import { createHtmlPlugin } from 'vite-plugin-html'


// @ts-ignore
import pjson from './package.json'

const now = new Date()

export default ({ mode }: any) => {
  const envInfo = loadEnv(mode, process.cwd() + '/env')
  const isProduction = mode == 'production' //正式生产环境
  const isSIT = ['sit', 'dev', 'development'].includes(mode)
  const isUAT = ['uat'].includes(mode)
  function getTestResource(): string {
    if (isSIT) {
      return `https://testSit.com`
    } else if (isUAT) {
      return `https://testUat.com`
    } else if (mode === 'production') {
      return `https://production.com`
    }
    return ''
  }

  return defineConfig({
    base: './',
    plugins: [
      vue(),
      vueJsx(),
      AutoImport({
        imports: ['vue', 'vue-router', 'pinia'],
      }),
      Components({
        resolvers: [ElementPlusResolver()],
      }),
      createHtmlPlugin({
        inject: {
          data: {
            injectTestResource: getTestResource()
            // 动态插入js脚本
          }
        }
      }),
      // 打包文件
    ],
    resolve: {
      // 路径别名配置
      alias: {
        '@': resolve(__dirname, './src'),
        assets: resolve(__dirname, './src/assets'),
        components: resolve(__dirname, './src/components'),
        store: resolve(__dirname, './src/store'),
        views: resolve(__dirname, './src/views'),
        router: resolve(__dirname, './src/router'),
        utils: resolve(__dirname, './src/utils'),
        http: resolve(__dirname, './src/http'),
      }
    },
    css: {
      preprocessorOptions: {
        scss: {
          // 两种方式都可以
          additionalData: "@import '@/style/scss/index.scss';",
        }
      }
    },
    server: {
      host: '0.0.0.0',
      port: 8102,
      // port: Number(envInfo.VITE_PORT),
      // open: envInfo.VITE_OPEN,
      proxy: {
        '/proxyApi': {
          target: envInfo.VITE_proxyTarget,
          secure: false,
          changeOrigin: true,
          rewrite: (path) => path.replace(/^\/proxyApi/, ''),
          configure: (proxy, _options) => {
            proxy.on('error', (err, _req, _res) => {
              // console.log('proxy error', err)
            })

            proxy.on('start', (req, res, target) => {
              // console.log(
              //   'Proxy Start:',
              //   req.method,
              //   req.url,
              //   req.headers,
              //   _options
              // )
            })
            proxy.on('proxyReq', (proxyReq, req, _res) => {
              // console.log(
              //   'Sending Request to the Target:',
              //   req.method,
              //   req.url,
              //   req.headers,
              //   _options
              // )
              proxyReq.removeHeader('origin')
              // 跨域解决
            })
            proxy.on('proxyRes', (proxyRes, req, _res) => {
              // console.log(
              //   'Received Response from the Target:',
              //   proxyRes.statusCode,
              //   proxyRes.headers,
              //   req.url
              // )
            })
          }
        }
      },
      hmr: {
        overlay: true
      }
    },
    envDir: 'env',
    build: {
      outDir: 'dist/' + pjson.name + '-' + envInfo.VITE_BUILD_MODE,
      emptyOutDir: true,
      terserOptions: {
        compress: {
          drop_console: isProduction, //生产正式 去除
          drop_debugger: isProduction //生产正式 去除
        }
      },
      minify: 'terser',
      /*
      rollupOptions: {
          output: {
              manualChunks(id) {
                  if (id.includes('node_modules')) {
                      return id
                          .toString()
                          .split('node_modules/')[1]
                          .split('/')[0]
                          .toString()
                  }
              }
          }
      }
       */
    }
  })
}