import { describe, expect, it, vi } from 'vitest';
import { getFieldLibrary, updateFieldLibrary } from './library';

describe('field library API', () => {
  it('loads the backend field library envelope', async () => {
    vi.mocked(fetch).mockResolvedValueOnce({
      ok: true,
      status: 200,
      headers: new Headers({ 'content-type': 'application/json' }),
      json: () => Promise.resolve({ data: { library: { formFields: [], customTimeFormats: [], multiSelectOptions: {}, anesthesiaOptions: [] } } }),
      text: () => Promise.resolve(''),
    } as Response);

    await expect(getFieldLibrary()).resolves.toMatchObject({ formFields: [] });
  });

  it('patches field library changes', async () => {
    const fetchMock = vi.mocked(fetch);
    fetchMock.mockResolvedValueOnce({
      ok: true,
      status: 200,
      headers: new Headers({ 'content-type': 'application/json' }),
      json: () => Promise.resolve({ data: { library: { formFields: [], customTimeFormats: ['HH:mm'], multiSelectOptions: {}, anesthesiaOptions: [] } } }),
      text: () => Promise.resolve(''),
    } as Response);

    await updateFieldLibrary({ customTimeFormats: ['HH:mm'] });
    expect(fetchMock).toHaveBeenCalledWith('/api/library/fields', expect.objectContaining({
      method: 'PATCH',
      credentials: 'include',
    }));
  });
});