import { HttpClient, HttpClientModule } from '@angular/common/http';
import { async, ComponentFixture, TestBed } from '@angular/core/testing';
import { RouterTestingModule } from '@angular/router/testing';
import { TranslateCompiler, TranslateLoader, TranslateModule } from '@ngx-translate/core';
import { TranslateMessageFormatCompiler } from 'ngx-translate-messageformat-compiler';
import { createTranslateLoader } from '../../../lib/translation.factory';
import { ConnectionMockService } from '../../service/connection/connection.mock.service';
import { ConnectionService } from '../../service/connection/connection.service';
import { FooterBarService } from '../../service/footer-bar/footer-bar.service';
import { HeaderLabelService } from '../../service/header-label/header-label.service';
import { I18nService } from '../../service/i18n/i18n.service';
import { SettingsService } from '../../service/settings/settings.service';
import { SharedService } from '../../service/shared/shared.service';
import { TrackingMockService } from '../../service/tracking/tracking.mock.service';
import { TrackingService } from '../../service/tracking/tracking.service';
import { WebsocketMockService } from '../../service/websocket/websocket.mock.service';
import { WebsocketService } from '../../service/websocket/websocket.service';

import { LanguageSwitcherComponent } from './language-switcher.component';

describe('LanguageSwitcherComponent', () => {
  let component: LanguageSwitcherComponent;
  let fixture: ComponentFixture<LanguageSwitcherComponent>;

  beforeEach(async(() => {
    TestBed.configureTestingModule({
      imports: [
        RouterTestingModule,
        HttpClientModule,
        TranslateModule.forRoot({
          loader: {
            provide: TranslateLoader,
            useFactory: (createTranslateLoader),
            deps: [HttpClient],
          },
          compiler: {
            provide: TranslateCompiler,
            useClass: TranslateMessageFormatCompiler,
          },
        }),
      ],
      providers: [
        I18nService,
        FooterBarService,
        SettingsService,
        { provide: ConnectionService, useClass: ConnectionMockService },
        { provide: WebsocketService, useClass: WebsocketMockService },
        SharedService,
        HeaderLabelService,
        { provide: TrackingService, useClass: TrackingMockService },
      ],
      declarations: [LanguageSwitcherComponent],
    }).compileComponents();
  }));

  beforeEach(async(() => {
    fixture = TestBed.createComponent(LanguageSwitcherComponent);
    component = fixture.componentInstance;
    fixture.detectChanges();
  }));

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

  it('should contain a TYPE reference', async(() => {
    expect(LanguageSwitcherComponent.TYPE).toEqual('LanguageSwitcherComponent');
  }));
});
