import {fakeAsync, TestBed, tick} from '@angular/core/testing';

import {CollectiblesService} from './collectibles.service';
import {Collectible} from 'ox-core';
import {GameActionsService} from './game-actions.service';
import {Observable, timer} from 'rxjs';

describe('CollectiblesService', () => {
  let collectiblesService: CollectiblesService;
  let gameActions: GameActionsService<any>;
  beforeEach(() => {
    TestBed.configureTestingModule({providers: [GameActionsService]});
    collectiblesService = TestBed.get(CollectiblesService);
    gameActions = TestBed.get(GameActionsService);
  });

  it('should be created', () => {
    expect(collectiblesService).toBeTruthy();
  });

  it('should clear collectibles after startGame', () => {
    gameActions.startGame.emit();
    expect(collectiblesService.currentCollectibles.length).toBe(0);
  });

  it('should clear collectibles after restart', () => {
    gameActions.startGame.emit();
    collectiblesService.addCollectible(new Collectible('a', 1));
    gameActions.restartGame.emit();
    expect(collectiblesService.currentCollectibles.length).toBe(0);
  });

  it('add collectible add the collectible to the list', () => {
    gameActions.startGame.emit();
    const collectible = new Collectible('a', 1);
    collectiblesService.addCollectible(collectible);
    expect(collectiblesService.currentCollectibles[0]).toEqual(collectible);
  });

  it('add temp collectible only add the collectible if event add is trigger, ' +
    'and clear if the negative event trigger', fakeAsync(() => {
    gameActions.startGame.emit();
    const collectible = new Collectible('a', 1);
    collectiblesService.addTempCollectible(collectible, timer(1000), timer(1500));
    tick(1500);
    // should be added
    expect(collectiblesService.currentCollectibles[0]).toEqual(collectible);
    collectiblesService.addTempCollectible(collectible, timer(2000), timer(1500));
    // shouldn't be added
    tick(2500);
    expect(collectiblesService.currentCollectibles.length).toEqual(1);
  }));

});