/**
 * @program: kicc-ui
 * @description: 用于解析 .env.development 代理配置
 * @author: wangxiang4
 * @create: 2022/4/5
 */

import type { ProxyOptions } from 'vite';

type ProxyItem = [string, string]

type ProxyList = ProxyItem[]

type ProxyTargetList = Record<string, ProxyOptions & { rewrite: (path: string) => string }>

const httpsRE = /^https:\/\//;

/**
 * 生成代理
 * @param list
 */
export function createProxy(list: ProxyList = []) {
  const ret: ProxyTargetList = {};
  for (const [prefix, target] of list) {
    const isHttps = httpsRE.test(target);

    // 选型配置参考: https://github.com/http-party/node-http-proxy#options
    ret[prefix] = {
      target: target,
      changeOrigin: true,
      ws: true,
      rewrite: (path) => path.replace(new RegExp(`^${prefix}`), ''),
      // https is require secure=false
      ...(isHttps ? { secure: false } : {})
    };
  }
  return ret;
}