import { describe, expect, it } from 'vitest';
import { articleJsonLd, breadcrumbListJsonLd } from '#web-runtime/lib/structured-data';
import type { PageDocument } from '#web-runtime/types';

function page(overrides: Partial<PageDocument> = {}): PageDocument {
  return {
    id: '61',
    status: 'published',
    locale: 'en',
    path: 'blog/api-webhooks',
    groupKey: 'blog-api-webhooks',
    layout: 'blog-item',
    title: 'Working with webhooks',
    seo: { title: 'Working with webhooks — Crux', description: 'How webhooks work.' },
    breadcrumbs: [],
    blocks: [],
    publishedAt: '2026-06-23T13:28:30.697+00:00',
    updatedAt: '2026-08-13T13:28:30.698+00:00',
    ...overrides
  };
}

describe('articleJsonLd', () => {
  it('marks up the dates and the hero image', () => {
    const media = { url: 'https://cdn.example.com/hero.jpg', alt: 'Hero' };
    const data = articleJsonLd(page({ hero: { type: 'low', ctaItems: [], media } }));

    expect(data).toEqual({
      '@context': 'https://schema.org',
      '@type': 'Article',
      'headline': 'Working with webhooks — Crux',
      'description': 'How webhooks work.',
      'datePublished': '2026-06-23T13:28:30.697+00:00',
      'dateModified': '2026-08-13T13:28:30.698+00:00',
      'image': ['https://cdn.example.com/hero.jpg'],
      'inLanguage': 'en'
    });
  });

  it('emits nothing without a publication date, rather than an Article a crawler will drop', () => {
    expect(articleJsonLd(page({ publishedAt: null }))).toBeNull();
  });

  it('omits dateModified when the page has never been changed since publishing', () => {
    const published = '2026-06-23T13:28:30.697+00:00';
    const data = articleJsonLd(page({ publishedAt: published, updatedAt: published }));

    expect(data).not.toHaveProperty('dateModified');
    expect(data).toMatchObject({ datePublished: published });
  });

  it('falls back to the page title and omits fields the page does not have', () => {
    const data = articleJsonLd(page({ seo: { title: '', description: '' } }));

    expect(data).toMatchObject({ headline: 'Working with webhooks' });
    expect(data).not.toHaveProperty('description');
    expect(data).not.toHaveProperty('image');
  });
});

describe('breadcrumbListJsonLd', () => {
  it('numbers the trail from one and leaves the current page without a url', () => {
    const data = breadcrumbListJsonLd([
      { label: 'Home', href: '/en' },
      { label: 'Blog', href: '/en/blog' },
      { label: 'Working with webhooks', href: '/en/blog/api-webhooks' }
    ]) as { itemListElement: Array<Record<string, unknown>> };

    expect(data.itemListElement.map((item) => item['position'])).toEqual([1, 2, 3]);
    expect(data.itemListElement[0]).toHaveProperty('item');
    expect(data.itemListElement[2]).not.toHaveProperty('item');
  });
});