import { afterEach, describe, expect, it, vi } from 'vitest';
import { api } from './api';

describe('api', () => {
  afterEach(() => {
    vi.unstubAllGlobals();
  });

  it('fetches the supplied relative path with credentials and a JSON body', async () => {
    const fetchMock = vi.fn<typeof fetch>();
    fetchMock.mockResolvedValue(
      new Response(JSON.stringify({ ok: true }), {
        status: 200,
        headers: { 'Content-Type': 'application/json' },
      }),
    );
    vi.stubGlobal('fetch', fetchMock);

    await expect(
      api<{ ok: boolean }>('/api/projects', {
        method: 'POST',
        body: { name: 'Mosaic' },
      }),
    ).resolves.toEqual({ ok: true });

    expect(fetchMock).toHaveBeenCalledOnce();
    expect(fetchMock).toHaveBeenCalledWith(
      '/api/projects',
      expect.objectContaining({
        method: 'POST',
        credentials: 'include',
        body: JSON.stringify({ name: 'Mosaic' }),
        headers: expect.objectContaining({
          Accept: 'application/json',
          'Content-Type': 'application/json',
        }),
      }),
    );
  });

  it('throws the gateway JSON error with its statusCode', async () => {
    const fetchMock = vi.fn<typeof fetch>();
    fetchMock.mockResolvedValue(
      new Response(JSON.stringify({ statusCode: 403, message: 'Forbidden' }), {
        status: 403,
        headers: { 'Content-Type': 'application/json' },
      }),
    );
    vi.stubGlobal('fetch', fetchMock);

    await expect(api('/api/admin/users')).rejects.toMatchObject({
      name: 'Error',
      message: 'Forbidden',
      statusCode: 403,
    });
  });
});