import { appConfig } from '../entities/AppConfig.fixture';
import { Optimizely, OptimizelyWindow, OptimizelyService } from './OptimizelyService';
import { HostExtractor } from '../util/HostExtractor';
import { Mock, IMock, It, Times } from 'typemoq';
import { expect } from 'chai';

describe('Optimizely service', () => {
  let optimizely: IMock<Optimizely>;
  let $window: IMock<OptimizelyWindow>;
  let $location: IMock<ng.ILocationService>;
  let host: HostExtractor;

  beforeEach(() => {
    optimizely = Mock.ofType<Optimizely>();
    optimizely.setup(x => x.activeExperiments).returns(() => ['456']);
    optimizely.setup(x => x.allExperiments).returns(() => ({ '123': { name: 'Test Experiment' }, '456': { name: 'Second Experiment' } }));
    optimizely.setup(x => x.variationNamesMap).returns(() => ({ '123': 'This Variation' }));
    $window = Mock.ofType<OptimizelyWindow>();
    $location = Mock.ofType<ng.ILocationService>();
    host = { retailer: 'OVO', mode: 'Switch', isAgentMode: false } as HostExtractor;
  });

  it('should return Original if optimizely is not enabled', () => {
    $location.setup(x => x.search()).returns(() => ({ 'optimizely_disable': true }));
    expect(new OptimizelyService($window.object, $location.object, host).getActiveVariation('Test Experiment')).to.equal('Original');
  });

  it('should return Original if in CSA mode', () => {
    $window.setup(x => x.optimizely).returns(() => optimizely.object);
    $location.setup(x => x.search()).returns(() => []);
    host = { retailer: 'OVO', mode: 'Switch', isAgentMode: true } as HostExtractor;
    expect(new OptimizelyService($window.object, $location.object, host).getActiveVariation('Test Experiment')).to.equal('Original');
  });

  it('should return Original for Move in mode', () => {
    $window.setup(x => x.optimizely).returns(() => optimizely.object);
    $location.setup(x => x.search()).returns(() => []);
    host = { retailer: 'OVO', mode: 'MoveIn', isAgentMode: false } as HostExtractor;
    expect(new OptimizelyService($window.object, $location.object, host).getActiveVariation('Test Experiment')).to.equal('Original');
  });

  it('should return Original for communities', () => {
    $window.setup(x => x.optimizely).returns(() => optimizely.object);
    $location.setup(x => x.search()).returns(() => []);
    host = { retailer: 'Fairerpower', mode: 'Switch', isAgentMode: false } as HostExtractor;
    expect(new OptimizelyService($window.object, $location.object, host).getActiveVariation('Test Experiment')).to.equal('Original');
  });

  it('should return Original for a non-existent experiment', () => {
    $window.setup(x => x.optimizely).returns(() => optimizely.object);
    $location.setup(x => x.search()).returns(() => []);
    const service = new OptimizelyService($window.object, $location.object, host);
    expect(service.getActiveVariation('Not Real')).to.equal('Original');
    optimizely.verify(x => x.push(It.isAny()), Times.never());
  });

  it('should activate experiment and return correct variation', () => {
    $window.setup(x => x.optimizely).returns(() => optimizely.object);
    $location.setup(x => x.search()).returns(() => []);
    const service = new OptimizelyService($window.object, $location.object, host);
    expect(service.getActiveVariation('Test Experiment')).to.equal('This Variation');
    optimizely.verify(x => x.push(It.isValue(['activate', '123'])), Times.once());
  });

  it('should not try to activate an already active experiment', () => {
    $window.setup(x => x.optimizely).returns(() => optimizely.object);
    $location.setup(x => x.search()).returns(() => []);
    const service = new OptimizelyService($window.object, $location.object, host);
    service.getActiveVariation('Second Experiment');
    optimizely.verify(x => x.push(It.isAny()), Times.never());
  });
});