import { EventEmitter } from "node:events";
import * as stream from "node:stream";
import { Duplex } from "node:stream";
import httpNative, { IncomingMessage } from "node:http";
import http2 from "node:http2";
import { Socket } from "node:net";
interface ProxyTargetDetailed {
  host?: string;
  port?: number | string;
  protocol?: string;
  hostname?: string;
  pathname?: string;
  socketPath?: string;
  key?: string;
  passphrase?: string;
  pfx?: Buffer | string;
  cert?: string;
  ca?: string;
  ciphers?: string;
  secureProtocol?: string;
}
type ProxyTarget = string | URL | ProxyTargetDetailed;
interface ProxyServerOptions {
  /** URL string to be parsed. */
  target?: ProxyTarget;
  /** URL string to be parsed. */
  forward?: ProxyTarget;
  /** Object to be passed to http(s).request. */
  agent?: any;
  /** Enable HTTP/2 listener, default is `false` */
  http2?: boolean;
  /** Object to be passed to https.createServer()
   * or http2.createSecureServer() if the `http2` option is enabled
   */
  ssl?: any;
  /** If you want to proxy websockets. */
  ws?: boolean;
  /** Adds x- forward headers. */
  xfwd?: boolean;
  /** Verify SSL certificate. */
  secure?: boolean;
  /** Explicitly specify if we are proxying to another proxy. */
  toProxy?: boolean;
  /** Specify whether you want to prepend the target's path to the proxy path. */
  prependPath?: boolean;
  /** Specify whether you want to ignore the proxy path of the incoming request. */
  ignorePath?: boolean;
  /** Local interface string to bind for outgoing connections. */
  localAddress?: string;
  /** Changes the origin of the host header to the target URL. */
  changeOrigin?: boolean;
  /** specify whether you want to keep letter case of response header key */
  preserveHeaderKeyCase?: boolean;
  /** Basic authentication i.e. 'user:password' to compute an Authorization header. */
  auth?: string;
  /** Rewrites the location hostname on (301 / 302 / 307 / 308) redirects, Default: null. */
  hostRewrite?: string;
  /** Rewrites the location host/ port on (301 / 302 / 307 / 308) redirects based on requested host/ port.Default: false. */
  autoRewrite?: boolean;
  /** Rewrites the location protocol on (301 / 302 / 307 / 308) redirects to 'http' or 'https'.Default: null. */
  protocolRewrite?: string;
  /** Rewrites domain of set-cookie headers. */
  cookieDomainRewrite?: false | string | {
    [oldDomain: string]: string;
  };
  /** Rewrites path of set-cookie headers. Default: false */
  cookiePathRewrite?: false | string | {
    [oldPath: string]: string;
  };
  /** Object with extra headers to be added to target requests. */
  headers?: {
    [header: string]: string;
  };
  /** Timeout (in milliseconds) when proxy receives no response from target. Default: 120000 (2 minutes) */
  proxyTimeout?: number;
  /** Timeout (in milliseconds) for incoming requests */
  timeout?: number;
  /** If set to true, none of the webOutgoing passes are called and it's your responsibility to appropriately return the response by listening and acting on the proxyRes event */
  selfHandleResponse?: boolean;
  /** Follow HTTP redirects from target. `true` = max 5 hops; number = custom max. */
  followRedirects?: boolean | number;
  /** Buffer */
  buffer?: stream.Stream;
}
export type { ProxyServerOptions };