import {MockBackend} from "@angular/http/testing";
import {inject, TestBed} from "@angular/core/testing";
import {mockIO} from "../../mocks/mock-socket";
import {SOCKET_IO} from "../../app.tokens";
import {BaseRequestOptions, ConnectionBackend, Http, RequestMethod, ResponseOptions} from "@angular/http";
import {LoginService} from "./login-service";
import {UserStore} from "../stores/user.store";


describe('Login-Service', () => {
  beforeEach(() => {
    TestBed.configureTestingModule({
      providers: [
        LoginService,
        UserStore,
        {provide: SOCKET_IO, useValue: mockIO},
        BaseRequestOptions,
        MockBackend,
        {
          provide: Http, useFactory: (mockBackend: ConnectionBackend,
                                      defaultOptions: BaseRequestOptions) => {
          return new Http(mockBackend, defaultOptions);
        }, deps: [MockBackend, BaseRequestOptions]
        },
      ]
    });
  });

  let loginService: LoginService;
  let userStore: UserStore;
  let mockBackend: MockBackend;

  beforeEach(inject([LoginService, UserStore, MockBackend],
    (_loginService, _userStore, _mockBackend) => {
      loginService = _loginService;
      userStore = _userStore;
      mockBackend = _mockBackend;
    })
  );

  it('should trigger a HTTP-GET and receive User-Object', (() => {
    let user = {name: 'admin'};
    mockBackend.connections.subscribe(connection => {
      const expectedUrl = 'http://localhost:3000/api/users?name=admin';
      expect(connection.request.url).toBe(expectedUrl);
      expect(connection.request.method).toBe(RequestMethod.Get);
      const response = new ResponseOptions({body:  JSON.stringify(user)});
      connection.mockRespond(new Response(response));
    });
    loginService.getUser('admin');
  }));

});