import { TestBed, waitForAsync, tick, fakeAsync, inject } from '@angular/core/testing';
import { HttpClientTestingModule } from '@angular/common/http/testing';
import { ActivatedRoute } from '@angular/router';
import { of, throwError } from 'rxjs';

import { ActivateService } from './activate.service';
import { ActivateComponent } from './activate.component';

describe('Component Tests', () => {
  describe('ActivateComponent', () => {
    let comp: ActivateComponent;

    beforeEach(
      waitForAsync(() => {
        TestBed.configureTestingModule({
          imports: [HttpClientTestingModule],
          declarations: [ActivateComponent],
          providers: [
            {
              provide: ActivatedRoute,
              useValue: { queryParams: of({ key: 'ABC123' }) },
            },
          ],
        })
          .overrideTemplate(ActivateComponent, '')
          .compileComponents();
      })
    );

    beforeEach(() => {
      const fixture = TestBed.createComponent(ActivateComponent);
      comp = fixture.componentInstance;
    });

    it('calls activate.get with the key from params', inject(
      [ActivateService],
      fakeAsync((service: ActivateService) => {
        jest.spyOn(service, 'get').mockReturnValue(of());

        comp.ngOnInit();
        tick();

        expect(service.get).toHaveBeenCalledWith('ABC123');
      })
    ));

    it('should set set success to true upon successful activation', inject(
      [ActivateService],
      fakeAsync((service: ActivateService) => {
        jest.spyOn(service, 'get').mockReturnValue(of({}));

        comp.ngOnInit();
        tick();

        expect(comp.error).toBe(false);
        expect(comp.success).toBe(true);
      })
    ));

    it('should set set error to true upon activation failure', inject(
      [ActivateService],
      fakeAsync((service: ActivateService) => {
        jest.spyOn(service, 'get').mockReturnValue(throwError('ERROR'));

        comp.ngOnInit();
        tick();

        expect(comp.error).toBe(true);
        expect(comp.success).toBe(false);
      })
    ));
  });
});