import { HttpModule } from '@angular/http';
import { AppConfig } from './../app-config.interface';
import { APP_CONFIG } from './../app-config';
import { TestBed, inject, async } from '@angular/core/testing';
import { UserService } from './user.service';

describe('UserService', () => {

  const user = 'test@test.com';
  const password = 'test';

  beforeEach(() => {
    const TEST_CONFIG: AppConfig = {
      apiEndpoint: 'http://192.168.0.172:5000/api',
      title: 'Byteflies'
    };

    TestBed.configureTestingModule({
      providers: [
        UserService,
        { provide: APP_CONFIG, useValue: TEST_CONFIG },
      ],
      imports: [
        HttpModule
      ]
    });
  });

  it('should login and return a token', async(inject([UserService], (service: UserService) => {
    return service.login(user, password)
      .then(result => expect(typeof result).toBe('string'));
  })));

  it('should have a token after login', async(inject([UserService], (service: UserService) => {
    return service.login(user, password)
      .then(_ => service.token);
  })));

  it('should not be logged in after logout', async(inject([UserService], (service: UserService) => {
    return service.login(user, password)
      .then(_ => {
        expect(service.loggedIn());
        expect(typeof service.token).toBe('string');
        expect(service.token.length).toBeGreaterThan(0, 'service.token.length');
        expect(String(service.id).length).toBeGreaterThan(0, 'service.id.length');

        service.logout();
        expect(!!service.token).toBe(false);
        expect(service.loggedIn()).toBe(false);
      });
  })));
});