import { loadEnv, type ServerOptions } from "vite";
import { root, wrapperEnv } from "./utils";

export const serverOptions = (mode: string) => {
  const { VITE_PORT, VITE_APP_URL } = wrapperEnv(loadEnv(mode, root));

  const options: ServerOptions = {
    port: VITE_PORT, // ? 端口号
    host: "0.0.0.0",
    open: true,
    cors: true,
    proxy: {
      "/api": {
        target: VITE_APP_URL,
        changeOrigin: true,
        rewrite: (path: string) => path.replace(/^\/api/, "/api")
      },
      "/mock": {
        target: VITE_APP_URL,
        changeOrigin: true,
        rewrite: (path: string) => path.replace(/^\/mock/, "/mock")
      }
    },
    // 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}/*"]
    }
  };

  return options;
};