import { TestBed } from '@angular/core/testing';
import { provideRouter } from '@angular/router';
import { provideHttpClient } from '@angular/common/http';
import { provideHttpClientTesting, HttpTestingController } from '@angular/common/http/testing';
import { TaskPluginsComponent } from './task-plugins.component';

describe('TaskPluginsComponent', () => {
  let http: HttpTestingController;
  beforeEach(() => {
    TestBed.configureTestingModule({ imports: [TaskPluginsComponent], providers: [provideRouter([]), provideHttpClient(), provideHttpClientTesting()] });
    http = TestBed.inject(HttpTestingController);
  });
  afterEach(() => http.verify());

  it('starts collapsed and automatic without an execution target selector', async () => {
    const fixture = TestBed.createComponent(TaskPluginsComponent);
    fixture.detectChanges();
    http.expectNone('/api/plugins');
    expect(fixture.nativeElement.textContent).toContain('自动');
    expect(fixture.nativeElement.textContent).not.toContain('执行目标');
    expect(fixture.nativeElement.querySelector('select')).toBeNull();
    const emitted = jasmine.createSpy('changed');
    fixture.componentInstance.changed.subscribe(emitted);
    fixture.nativeElement.querySelector('button').click(); fixture.detectChanges();
    http.expectOne('/api/plugins').flush({ plugins: [] });
    await fixture.whenStable(); fixture.detectChanges();
    fixture.nativeElement.querySelector('input').click(); fixture.detectChanges();
    expect(emitted).toHaveBeenCalledWith({ plugins: [] });
    fixture.nativeElement.querySelector('input').click(); fixture.detectChanges();
    expect(emitted).toHaveBeenCalledWith({});
  });

  it('uses the single authorized setting without exposing a connection selector', async () => {
    const fixture = TestBed.createComponent(TaskPluginsComponent);
    const component = fixture.componentInstance;
    component.toggle();
    const plugin = { enabled: true, manifest: { id: 'desktop', name: '电脑控制', targets: ['computer', 'mixed'] }, profiles: [
      { name: 'default', label: '旧配置', authorized: false },
      { name: 'lab', label: '实验室', authorized: true, is_default: true }
    ] };
    http.expectOne('/api/plugins').flush({ plugins: [plugin, { ...plugin, enabled: false, manifest: { ...plugin.manifest, id: 'disabled' } }] });
    component.automatic = false; fixture.detectChanges(); await fixture.whenStable();
    const emitted = jasmine.createSpy('changed'); component.changed.subscribe(emitted);
    const checkbox = fixture.nativeElement.querySelector('.choice input');
    checkbox.click(); fixture.detectChanges(); await fixture.whenStable();
    expect(emitted).toHaveBeenCalledWith({ plugins: [{ id: 'desktop', profile: 'lab' }] });
    expect(fixture.nativeElement.querySelectorAll('.choice').length).toBe(1);
    expect(fixture.nativeElement.querySelector('select')).toBeNull();
    expect(fixture.nativeElement.textContent).not.toContain('连接配置');
  });

  it('allows choosing among multiple authorized settings and excludes unauthorized ones', async () => {
    const fixture = TestBed.createComponent(TaskPluginsComponent); const component = fixture.componentInstance;
    component.toggle();
    http.expectOne('/api/plugins').flush({ plugins: [{ enabled: true,
      manifest: { id: 'desktop', name: '电脑控制', targets: ['mixed'] }, profiles: [
        { name: 'old', label: '旧配置', authorized: false },
        { name: 'lab', label: '实验室', authorized: true, is_default: true },
        { name: 'office', label: '办公室', authorized: true }
      ] }] });
    component.automatic = false; fixture.detectChanges(); await fixture.whenStable();
    const emitted = jasmine.createSpy('changed'); component.changed.subscribe(emitted);
    fixture.nativeElement.querySelector('.choice input').click(); fixture.detectChanges(); await fixture.whenStable();
    const select: HTMLSelectElement = fixture.nativeElement.querySelector('select');
    expect(select.value).toBe('lab'); expect(select.textContent).not.toContain('旧配置');
    select.value = 'office'; select.dispatchEvent(new Event('change')); fixture.detectChanges(); await fixture.whenStable();
    expect(emitted).toHaveBeenCalledWith({ plugins: [{ id: 'desktop', profile: 'office' }] });
  });

  it('shows a retryable error and keeps automatic mode on lookup failure', () => {
    const fixture = TestBed.createComponent(TaskPluginsComponent);
    fixture.componentInstance.toggle();
    http.expectOne('/api/plugins').flush({}, { status: 503, statusText: 'Unavailable' });
    fixture.detectChanges();
    expect(fixture.nativeElement.textContent).toContain('重试');
    expect(fixture.componentInstance.automatic).toBeTrue();
  });

  it('filters PC-compatible plugins and removes incompatible manual choices on target change', () => {
    const fixture = TestBed.createComponent(TaskPluginsComponent), component=fixture.componentInstance;
    component.toggle();
    const profile={name:'default',label:'默认',authorized:true,is_default:true};
    const plugin=(id:string,targets:string[])=>({enabled:true,manifest:{id,name:id,targets},profiles:[profile]});
    http.expectOne('/api/plugins').flush({plugins:[plugin('android-only',['android']),plugin('mixed-only',['mixed']),plugin('desktop',['computer'])]});
    component.automatic=false;component.selected={'android-only':'default'};
    const emitted=jasmine.createSpy('changed');component.changed.subscribe(emitted);
    fixture.componentRef.setInput('target','computer');fixture.detectChanges();
    expect(component.available().map(p=>p.manifest.id)).toEqual(['desktop']);
    expect(emitted).toHaveBeenCalledWith({plugins:[]});
    expect(fixture.nativeElement.textContent).toContain('画面观察');
    const choice:HTMLInputElement=fixture.nativeElement.querySelector('.choice input');choice.click();fixture.detectChanges();
    expect(emitted).toHaveBeenCalledWith({plugins:[{id:'desktop',profile:'default'}]});
    fixture.componentRef.setInput('target','android');fixture.detectChanges();
    expect(component.available().map(p=>p.manifest.id)).toEqual(['android-only','mixed-only']);
    expect(component.selected).toEqual({});
  });
});