import { getPluginsList } from "./build/plugins";
import { include, exclude } from "./build/optimize";
import { type UserConfigExport, type ConfigEnv, loadEnv } from "vite";
import { URL } from "./src/utils/http/config";
import {
  root,
  alias,
  wrapperEnv,
  pathResolve,
  __APP_INFO__
} from "./build/utils";

export default ({ mode }: ConfigEnv): UserConfigExport => {
  const { VITE_CDN, VITE_PORT, VITE_COMPRESSION, VITE_PUBLIC_PATH } =
    wrapperEnv(loadEnv(mode, root));
  return {
    base: VITE_PUBLIC_PATH,
    root,
    resolve: {
      alias
    },
    // 服务端渲染
    server: {
      // 端口号
      port: VITE_PORT,
      host: "0.0.0.0",
      // 本地跨域代理 https://cn.vitejs.dev/config/server-options.html#server-proxy
      proxy: {
        "/adminapi": {
          // 这里填写后端地址
          target: URL,
          changeOrigin: true,
          // 如果后端服务器没有对OPTIONS请求进行正确处理，代理服务器可能会自动处理
          // 你可以尝试添加以下配置来处理预检请求
          onProxyReq: (proxyReq, req, res) => {
            if (req.method === 'OPTIONS') {
              proxyReq.method = 'OPTIONS';
              // 设置CORS头  https://admin.qxyushen.top
              // https://test.vespa.qxyushen.top
              res.setHeader('Access-Control-Allow-Origin', 'https://test.vespa.qxyushen.top');
              res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
              res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization');
              res.end();
            }
          }
        }
      },
      // 预热文件以提前转换和缓存结果，降低启动期间的初始页面加载时长并防止转换瀑布
      warmup: {
        clientFiles: ["./index.html", "./src/{views,components}/*"]
      }
    },
    plugins: getPluginsList(VITE_CDN, VITE_COMPRESSION),
    // https://cn.vitejs.dev/config/dep-optimization-options.html#dep-optimization-options
    optimizeDeps: {
      include,
      exclude
    },
    build: {
      // https://cn.vitejs.dev/guide/build.html#browser-compatibility
      target: "es2015",
      sourcemap: false,
      // 消除打包大小超过500kb警告
      chunkSizeWarningLimit: 4000,
      rollupOptions: {
        input: {
          index: pathResolve("./index.html", import.meta.url)
        },
        // 静态资源分类打包
        output: {
          chunkFileNames: "static/js/[name]-[hash].js",
          entryFileNames: "static/js/[name]-[hash].js",
          assetFileNames: "static/[ext]/[name]-[hash].[ext]"
        }
      }
    },
    define: {
      __INTLIFY_PROD_DEVTOOLS__: false,
      __APP_INFO__: JSON.stringify(__APP_INFO__)
    }
  };
};