import { BitField } from '@node-dlc/common';
import { ILogger, Logger } from '@node-dlc/logger';
import sinon from 'sinon';
import { Readable } from 'stream';

import { IWireMessage } from '../lib';
import { InitFeatureFlags } from '../lib/flags/InitFeatureFlags';

export class FakePeer extends Readable {
  public state;
  public send = sinon.stub();
  public sendMessage = sinon.stub();
  public pubkey = Buffer.alloc(32, 1);
  public localChains: Buffer[] = [];
  public localFeatures = new BitField<InitFeatureFlags>();
  public remoteChains: Buffer[] = [];
  public remoteFeatures = new BitField<InitFeatureFlags>();

  public constructor() {
    super({ objectMode: true });
  }

  public _read() {
    //
  }

  public fakeMessage(msg: IWireMessage) {
    this.push(msg);
  }
}

export function createFakePeer() {
  return new FakePeer() as any;
}

export function createFakeLogger(): ILogger {
  const fake = sinon.createStubInstance(Logger);
  fake.sub = createFakeLogger as any;
  return fake;
}

export function wait(ms: number): Promise<void> {
  return new Promise((resolve) => setTimeout(resolve, ms));
}