import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
import { TmdbClient } from '../../../../src/app/clients/tmdb/TmdbClient';

describe('TmdbClient', () => {
  const fetchMock = vi.fn();

  beforeEach(() => {
    vi.stubGlobal('fetch', fetchMock);
    fetchMock.mockReset();
  });

  afterEach(() => {
    vi.unstubAllGlobals();
  });

  it('searchMovie returns the first result mapped to a TMDbMovie', async () => {
    fetchMock.mockResolvedValue({
      ok: true,
      status: 200,
      text: async () =>
        JSON.stringify({ results: [{ id: 438631, title: 'Dune', release_date: '2021-09-15' }] }),
    });

    const client = new TmdbClient('tmdb-key', 'https://api.themoviedb.org');
    const result = await client.searchMovie('Dune', 2021);

    expect(result).toEqual({ id: 438631, title: 'Dune', year: 2021 });
    const [url] = fetchMock.mock.calls[0];
    expect(url).toContain('/3/search/movie');
    expect(url).toContain('query=Dune');
    expect(url).toContain('year=2021');
  });

  it('searchMovie returns undefined when there are no results', async () => {
    fetchMock.mockResolvedValue({ ok: true, status: 200, text: async () => JSON.stringify({ results: [] }) });

    const client = new TmdbClient('tmdb-key', 'https://api.themoviedb.org');
    const result = await client.searchMovie('Nonexistent');
    expect(result).toBeUndefined();
  });

  it('getSimilar and getRecommendations hit the right paths', async () => {
    fetchMock.mockResolvedValue({ ok: true, status: 200, text: async () => JSON.stringify({ results: [] }) });

    const client = new TmdbClient('tmdb-key', 'https://api.themoviedb.org');
    await client.getSimilar(438631);
    await client.getRecommendations(438631);

    expect(fetchMock.mock.calls[0][0]).toContain('/3/movie/438631/similar');
    expect(fetchMock.mock.calls[1][0]).toContain('/3/movie/438631/recommendations');
  });
});