import { GCMockModule } from '@core/mocks/gc-module.mock';
import { Spec, TestCase } from '@yourcause/test-decorators';
import { DescribeAngularService } from '@yourcause/test-decorators/angular';
import { expect } from 'chai';
import { mockTokenResponse } from './token-test-helpers.mock';
import { TokenTimeoutService } from './token-timeout.service';

@DescribeAngularService(TokenTimeoutService, {
  imports: [GCMockModule]
})
export class TokenTimeoutServiceSpec implements Spec<TokenTimeoutServiceSpec, TokenTimeoutService> {
  private dateOffset = 30999;

  @TestCase('should be able to calculate time remaining')
  testShouldCalculateTimeRemaining (service: TokenTimeoutService) {
    const token = mockTokenResponse(
      {},
      new Date(Date.now() + (this.dateOffset)),
      new Date(Date.now() + (this.dateOffset))
    );

    service['tokenStorage'].jwt = token;

    service['calculateTimeRemaining']();

    const timeRemainingInSeconds = service['_timeRemaining$'].value;

    expect(timeRemainingInSeconds).to.equal(30);
  }

  @TestCase('should be able to count down time remaining')
  async testShouldCountDown (service: TokenTimeoutService) {
    service['loopDuration'] = 10;

    let timeRemaining = 30;

    service['_timeRemaining$'].next(timeRemaining);

    service['calculateTimeRemaining'] = () => {
      service['_timeRemaining$'].next(--timeRemaining);
    };

    expect(service['_timeRemaining$'].value).to.equal(30);

    service.start();

    expect(service['_timeRemaining$'].value).to.equal(29);

    await new Promise<void>((r) => setTimeout(() => r(), 10));

    expect(service['_timeRemaining$'].value).to.equal(28);

    await new Promise<void>((r) => setTimeout(() => r(), 10));

    expect(service['_timeRemaining$'].value).to.equal(27);

    service.stop();
  }
}