import { TestBed } from '@angular/core/testing';
import { TaskOutcomeComponent } from './task-outcome.component';

describe('任务结束说明', () => {
  function create(status = 'failed', error = '[web-example] FlashRunner failed: **前置受阻**\n\n- 未找到目标设备\n- 未执行删除') {
    const fixture = TestBed.createComponent(TaskOutcomeComponent);
    fixture.componentRef.setInput('status', status);
    fixture.componentRef.setInput('error', error);
    fixture.detectChanges();
    return fixture;
  }

  it('默认只显示一行摘要，展开后渲染完整 Markdown，不选择外层任务', () => {
    const fixture = create();
    const host = fixture.nativeElement as HTMLElement;
    host.style.width = '280px';
    const details = host.querySelector('details')!;
    expect(details.open).toBeFalse();
    expect(host.querySelector('.summary-text')!.textContent).toBe('前置受阻');
    expect(host.textContent).not.toContain('FlashRunner failed');
    expect(host.querySelector('button details')).toBeNull();
    const select = jasmine.createSpy('外层任务选择');
    host.addEventListener('click', select);
    host.querySelector('summary')!.click();
    expect(details.open).toBeTrue();
    expect(select).not.toHaveBeenCalled();
    expect(host.querySelector('.body strong')!.textContent).toBe('前置受阻');
    expect(host.querySelectorAll('.body li').length).toBe(2);
    fixture.componentRef.setInput('error', '[web-example] FlashRunner failed: **更新说明**\n\n- 已有记录');
    fixture.detectChanges();
    expect(host.querySelector('details')).toBe(details);
    expect(details.open).toBeTrue();
    host.querySelector('summary')!.click();
    expect(details.open).toBeFalse();
  });

  it('优先采用已有结论，同时保留不同的执行错误和依据', () => {
    const fixture = create();
    fixture.componentRef.setInput('result', {status:'blocked', reason:'目标设备未绑定', evidence:['截图中仅有 **添加设备**']});
    fixture.detectChanges();
    const host = fixture.nativeElement as HTMLElement;
    expect(host.querySelector('.summary-text')!.textContent).toBe('目标设备未绑定');
    expect(host.textContent).toContain('未执行删除');
    expect(host.textContent).toContain('已记录依据');
    expect(host.textContent).toContain('添加设备');
  });

  it('完成但结论阻塞也展示说明，运行中和无内容时不展示', () => {
    const fixture = create('running');
    expect(fixture.nativeElement.querySelector('details')).toBeNull();
    fixture.componentRef.setInput('status', 'completed');
    fixture.componentRef.setInput('error', '');
    fixture.componentRef.setInput('result', {status:'blocked',reason:'缺少预置数据',evidence:[]});
    fixture.detectChanges();
    expect(fixture.nativeElement.querySelector('.summary-text').textContent).toBe('缺少预置数据');
    fixture.componentRef.setInput('result', null);
    fixture.detectChanges();
    expect(fixture.nativeElement.querySelector('details')).toBeNull();
  });

  it('不重复相同说明，不执行错误正文中的 HTML 或危险链接', () => {
    const error = '**失败**\n<script>alert(1)</script>\n[打开](javascript:alert(1))';
    const fixture = create('failed', error);
    fixture.componentRef.setInput('result', {status:'blocked',reason:error,evidence:[]});
    fixture.detectChanges();
    const host = fixture.nativeElement as HTMLElement;
    expect(host.querySelectorAll('app-report-markdown').length).toBe(1);
    expect(host.querySelector('script')).toBeNull();
    expect(host.querySelector('a[href^="javascript:"]')).toBeNull();
  });
});