process.env.DATABASE_PATH = ':memory:';
process.env.THEMES_DIR = './themes';
process.env.FRONTEND_DIST = './frontend/dist';
process.env.NODE_ENV = 'test';

import { AdminGeneralService } from '../../backend/src/modules/admin/general.service';

function makeFakeThemeLoader() {
  return [
    { id: 'classic', name: 'Classic', tokens: {} as any },
    { id: 'midnight', name: 'Midnight', tokens: {} as any },
  ];
}

function makeService() {
  const stored: Record<string, string> = {};
  const fakeSettings = {
    get: jest.fn().mockImplementation(async (k: string, d: string) => (k in stored ? stored[k] : d)),
    set: jest.fn().mockImplementation(async (k: string, v: string) => { stored[k] = v; }),
  } as any;
  const fakeHub = { emitEvent: jest.fn() } as any;
  const fakeThemes: any = { listThemes: () => makeFakeThemeLoader() };
  const fakeConfig: any = { get: jest.fn().mockReturnValue('./themes') };
  const svc = new AdminGeneralService(fakeSettings, fakeThemes, fakeHub, fakeConfig);
  return { svc, fakeHub, fakeSettings };
}

describe('AdminGeneralService.updateSettings - general SSE payload (Job 892)', () => {
  it('emits a general hub event carrying both themeKey and registrationsEnabled when registrations are enabled', async () => {
    const { svc, fakeHub } = makeService();
    await svc.updateSettings({
      pageTitle: 'Hello',
      logo: '',
      welcomeMarkdown: '',
      themeKey: 'midnight',
      eventStartUtc: '2026-01-01T00:00:00Z',
      eventEndUtc: '2026-02-01T00:00:00Z',
      defaultChallengeIp: '127.0.0.1',
      registrationsEnabled: true,
    });
    expect(fakeHub.emitEvent).toHaveBeenCalledWith(
      expect.objectContaining({
        topic: 'general',
        themeKey: 'midnight',
        registrationsEnabled: true,
      }),
    );
  });

  it('emits a general hub event with registrationsEnabled=false when the admin disables registrations', async () => {
    const { svc, fakeHub } = makeService();
    await svc.updateSettings({
      pageTitle: 'Hello',
      logo: '',
      welcomeMarkdown: '',
      themeKey: 'classic',
      eventStartUtc: '2026-01-01T00:00:00Z',
      eventEndUtc: '2026-02-01T00:00:00Z',
      defaultChallengeIp: '127.0.0.1',
      registrationsEnabled: false,
    });
    expect(fakeHub.emitEvent).toHaveBeenCalledWith(
      expect.objectContaining({
        topic: 'general',
        themeKey: 'classic',
        registrationsEnabled: false,
      }),
    );
  });
});