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

import { FilmService } from './film.service';
import {HttpClientTestingModule, HttpTestingController} from "@angular/common/http/testing";
import {Film} from './film';

describe('FilmsService', () => {
  let service: FilmService;
  let httpController: HttpTestingController;
  let injector: TestBed;
  beforeEach(() => {
    TestBed.configureTestingModule({
      imports: [HttpClientTestingModule],
      providers: [FilmService]
    });
    // injector = getTestBed();
    // service = injector.get(FilmService);
    // httpController = injector.get(HttpTestingController);
  });
  it("initialised", inject([FilmService], (filmservice : FilmService) => {
    expect(filmservice).toBeTruthy();
  }));

  // it("check", fakeAsync(inject([FilmService, HttpTestingController], (filmservice : FilmService, backend : HttpTestingController) => {
  //   let response = null;
  //   filmservice.getFilm("12").subscribe((film : Film) => {
  //     response = film;
  //   }, (error1 => {
  //     console.log("loh");
  //   }))
  // })));

  it('FilmGenreTest',
    inject([HttpTestingController, FilmService],
      (httpMock: HttpTestingController, service: FilmService) => {
        service.getFilm("12").subscribe((film : Film) => {
          expect(film.genre).toBe("Horror");
        });
        const req = httpMock.expectOne('http://13.53.42.33/detail/12');
        expect(req.request.method).toEqual('GET');
        req.flush({genre: "Horror"});
        httpMock.verify();
      })
  );


  it('FilmPlotTest',
    inject([HttpTestingController, FilmService],
      (httpMock: HttpTestingController, service: FilmService) => {
      let plottest = "";
        service.getFilm("12").subscribe((film : Film) => {
          expect(film.plot).not.toBeNull();
          plottest = film.plot;
        });
        const req = httpMock.expectOne('http://13.53.42.33/detail/12');
        expect(req.request.method).toEqual('GET');
        req.flush({plot : plottest});
        httpMock.verify();
      })
  );

  it('SearchFilmByTitle',
    inject([HttpTestingController, FilmService],
      (httpMock: HttpTestingController, service: FilmService) => {
        let filmFound = false;
        let id = 10;
        service.searchFilms("The Matrix").subscribe((filmList : Film[]) => {
          filmList.forEach(film => {

            if (film.title == "The Matrix") {
              filmFound = true;
              id = film.id;
            }
          });
          expect(filmFound).toBeTruthy();
        });
        const req = httpMock.expectOne('http://13.53.42.33/api/films/detail/' + id);
        expect(req.request.method).toEqual('GET');
        req.flush({title : "The Matrix"});
        httpMock.verify();
      })
  );

  it('FilmReleasedDataRatingTest',
    inject([HttpTestingController, FilmService],
      (httpMock: HttpTestingController, service: FilmService) => {
        service.getFilm("12").subscribe((film : Film) => {
          expect(film.releaseDate).toBe(1987);
        });
        const req = httpMock.expectOne('http://13.53.42.33/detail/12');
        expect(req.request.method).toEqual('GET');
        req.flush({releaseDate : 1987});
        httpMock.verify();
      })
  );

  it('FilmProducerTest',
    inject([HttpTestingController, FilmService],
      (httpMock: HttpTestingController, service: FilmService) => {
        service.getFilm("12").subscribe((film : Film) => {
          expect(film.producer).toBe("Sam Raimi");
        });
        const req = httpMock.expectOne('http://13.53.42.33/detail/12');
        expect(req.request.method).toEqual('GET');
        req.flush({producer : 'Sam Raimi'});
        httpMock.verify();
      })
  );

  it('FilmProducerTest',
    inject([HttpTestingController, FilmService],
      (httpMock: HttpTestingController, service: FilmService) => {
        service.getFilm("12").subscribe((film : Film) => {
          expect(film.producer).toBe("Sam Raimi");
        });
        const req = httpMock.expectOne('http://13.53.42.33/detail/12');
        expect(req.request.method).toEqual('GET');
        req.flush({producer : 'Sam Raimi'});
        httpMock.verify();
      })
  );

  it('FilmAgeRatingTest',
    inject([HttpTestingController, FilmService],
      (httpMock: HttpTestingController, service: FilmService) => {
        service.getFilm("12").subscribe((film : Film) => {
          expect(film.ageRating).toBe("Prohibited for under 16 unless accompanied by an adult");
        });
        const req = httpMock.expectOne('http://13.53.42.33/detail/12');
        expect(req.request.method).toEqual('GET');
        req.flush({ageRating : 'Prohibited for under 16 unless accompanied by an adult'});
        httpMock.verify();
      })
  );

});