/* eslint-env jest */
import { loadHomeWeek } from '../load-week';
import {
  getWeeklyReport,
  listArticles,
  listBrands,
  listScans,
} from '../../../../service/visibility/visibility.service';

jest.mock('../../../../service/visibility/visibility.service', () => ({
  getWeeklyReport: jest.fn(),
  listArticles: jest.fn(),
  listBrands: jest.fn(),
  listScans: jest.fn(),
}));

const point = (week_iso: string, visibility_score: number) => ({
  week_iso,
  visibility_score,
});

describe('loadHomeWeek', () => {
  beforeEach(() => {
    (listBrands as jest.Mock).mockResolvedValue({
      brands: [{ brand_id: 'b1' }],
    });
    (listScans as jest.Mock).mockResolvedValue({
      history: [point('2026-W37', 18), point('2026-W38', 23)],
    });
    (listArticles as jest.Mock).mockResolvedValue({
      articles: [{ article_id: 'a1' }],
    });
  });

  it('keeps the scans and the content when this week has no report yet', async () => {
    (getWeeklyReport as jest.Mock).mockRejectedValue(
      new Error('Weekly report not found')
    );

    const week = await loadHomeWeek('client', 'token');

    expect(week?.report).toBeNull();
    expect(week?.scans.map(scan => scan.week_iso)).toEqual([
      '2026-W38',
      '2026-W37',
    ]);
    expect(week?.articles).toHaveLength(1);
  });

  it('reads nothing without a brand', async () => {
    (listBrands as jest.Mock).mockResolvedValue({ brands: [] });

    expect(await loadHomeWeek('client', 'token')).toBeNull();
  });
});