import { TestBed, fakeAsync, tick } from '@angular/core/testing';
import { Router, provideRouter } from '@angular/router';
import { WorkbenchContextService } from '../../../../app/core/services/workbench-context.service';
import { GlobalContextBarComponent } from './global-context-bar.component';

describe('GlobalContextBarComponent', () => {
  beforeEach(async () => {
    await TestBed.configureTestingModule({
      imports: [GlobalContextBarComponent],
      providers: [provideRouter([])],
    }).compileComponents();
  });

  it('renders only caller-provided business options', () => {
    const fixture = TestBed.createComponent(GlobalContextBarComponent);
    fixture.componentInstance.workspaceOptions = [
      { value: 'workspace-real', label: '业务空间 A' },
    ];
    fixture.componentInstance.platformOptions = [
      { value: 'jd', label: '京东' },
    ];
    fixture.detectChanges();

    const text = (fixture.nativeElement as HTMLElement).textContent ?? '';
    expect(text).toContain('业务空间 A');
    expect(text).toContain('京东');
    expect(text).not.toContain('示例店铺');
  });

  it('writes a selection to the shared context and URL', fakeAsync(() => {
    const fixture = TestBed.createComponent(GlobalContextBarComponent);
    const service = TestBed.inject(WorkbenchContextService);
    const router = TestBed.inject(Router);
    const select = document.createElement('select');
    const option = document.createElement('option');
    option.value = 'workspace-real';
    select.append(option);
    select.value = 'workspace-real';

    fixture.componentInstance.onSelection('workspaceId', { target: select } as unknown as Event);
    tick();

    expect(service.snapshot.workspaceId).toBe('workspace-real');
    expect(router.parseUrl(router.url).queryParams['workspaceId']).toBe('workspace-real');
  }));

  it('emits refresh without inventing a last-updated timestamp', () => {
    const fixture = TestBed.createComponent(GlobalContextBarComponent);
    const service = TestBed.inject(WorkbenchContextService);
    let componentRefreshes = 0;
    let serviceRefreshes = 0;
    fixture.componentInstance.refreshRequested.subscribe(() => componentRefreshes++);
    service.refreshRequested$.subscribe(() => serviceRefreshes++);

    fixture.componentInstance.requestRefresh();

    expect(componentRefreshes).toBe(1);
    expect(serviceRefreshes).toBe(1);
    expect(service.availabilitySnapshot.lastUpdated).toBeNull();
  });
});