import type { ProxyOptions } from 'vite'
type ProxyItem = [string, string];
type ProxyList = ProxyItem[];
type ProxyTargetList = Record<string, ProxyOptions & { rewrite: (path: string) => string }>;

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

export const createProxy = (list: ProxyList = []) => {
  const ret: ProxyTargetList = {};
  for (const [prefix, target] of list) {
    const isHttps = httpsRE.test(target);

    ret[prefix] = {
      target,
      changeOrigin: true,
      ws: true,
      rewrite: path => path.replace(new RegExp(`^${prefix}`), ''),
      ...(isHttps ? { secure: false } : {}),
    }
  }
  return ret;
}