import { herdStatusIn } from './herd-status';

const NOW = new Date('2027-03-01T10:00:00.000Z');

function settings() {
  return {
    id: 'singleton',
    noticeOnColonyCountChange: true,
    noticeOnApiaryChange: true,
    tskExcludedColonyTypes: [],
  };
}

function dbWith(baseline: unknown) {
  return {
    complianceSettings: {
      findUnique: jest.fn().mockResolvedValue(settings()),
      upsert: jest.fn().mockResolvedValue(settings()),
    },
    authorityNotice: { findFirst: jest.fn().mockResolvedValue(baseline) },
    apiary: {
      findMany: jest.fn().mockResolvedValue([
        {
          id: 'a',
          name: 'A',
          address: null,
          location: null,
          latitude: null,
          longitude: null,
          colonies: [{ colonyType: 'PRODUCTION_COLONY' }],
        },
      ]),
    },
  };
}

describe('herdStatusIn', () => {
  it('no baseline means deviation null, not a herd change', async () => {
    const status = await herdStatusIn(dbWith(null) as never, NOW);

    expect(status.baseline).toBeNull();
    expect(status.deviation).toBeNull();
    expect(status.current.totalLiving).toBe(1);
  });

  it('the baseline is the newest SENT registration or herd change by sentOn and ignores TSK reports', async () => {
    const db = dbWith(null);

    await herdStatusIn(db as never, NOW);

    expect(db.authorityNotice.findFirst).toHaveBeenCalledWith(
      expect.objectContaining({
        where: {
          status: 'SENT',
          kind: { in: ['REGISTRATION', 'HERD_CHANGE'] },
        },
        orderBy: [{ sentOn: 'desc' }, { createdAt: 'desc' }, { id: 'desc' }],
      }),
    );
  });

  it('reports the deviation against the baseline', async () => {
    const baseline = {
      id: 'n1',
      totalColonies: 3,
      snapshot: {
        version: 1,
        takenAt: NOW.toISOString(),
        apiaries: [],
        totalLiving: 3,
      },
    };

    const status = await herdStatusIn(dbWith(baseline) as never, NOW);

    expect(status.deviation).toMatchObject({
      triggered: true,
      colonyCountChanged: true,
      apiariesAdded: ['a'],
    });
  });
});