// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import * as tlsOps from "./ops/tls.ts";
import { Listener, Conn, ConnImpl, ListenerImpl } from "./net.ts";

// TODO(ry) There are many configuration options to add...
// https://docs.rs/rustls/0.16.0/rustls/struct.ClientConfig.html
interface ConnectTLSOptions {
  transport?: "tcp";
  port: number;
  hostname?: string;
  certFile?: string;
}

export async function connectTLS({
  port,
  hostname = "127.0.0.1",
  transport = "tcp",
  certFile = undefined,
}: ConnectTLSOptions): Promise<Conn> {
  const res = await tlsOps.connectTLS({
    port,
    hostname,
    transport,
    certFile,
  });
  return new ConnImpl(res.rid, res.remoteAddr!, res.localAddr!);
}

class TLSListenerImpl extends ListenerImpl {
  async accept(): Promise<Conn> {
    const res = await tlsOps.acceptTLS(this.rid);
    return new ConnImpl(res.rid, res.remoteAddr, res.localAddr);
  }
}

export interface ListenTLSOptions {
  port: number;
  hostname?: string;
  transport?: "tcp";
  certFile: string;
  keyFile: string;
}

export function listenTLS({
  port,
  certFile,
  keyFile,
  hostname = "0.0.0.0",
  transport = "tcp",
}: ListenTLSOptions): Listener {
  const res = tlsOps.listenTLS({
    port,
    certFile,
    keyFile,
    hostname,
    transport,
  });
  return new TLSListenerImpl(res.rid, res.localAddr);
}