import { DEFAULT_SEASON_AUTOPILOT_CONFIG } from '../automation/rule-config/season-autopilot.config';
import { varroaMeasurementDue } from './varroa-due';

const CONFIG = DEFAULT_SEASON_AUTOPILOT_CONFIG;
const SOMMER = { segment: 'SOMMER', springSince: '2026-03-20' } as const;
const WINTERRUHE = {
  segment: 'WINTERRUHE',
  springSince: '2026-03-20',
} as const;
const NEVER_MEASURED = {
  createdOn: '2025-01-01',
  lastMeasuredOn: null,
  lastMeasurementId: null,
};

describe('varroaMeasurementDue', () => {
  it('is due 28 days after the last measurement outside WINTERRUHE', () =>
    expect(
      varroaMeasurementDue(
        {
          createdOn: '2025-01-01',
          lastMeasuredOn: '2026-06-01',
          lastMeasurementId: 'm-1',
        },
        SOMMER,
        CONFIG,
        '2026-06-30',
      ),
    ).toEqual({ dueOn: '2026-06-29', kind: 'INTERVAL', anchor: 'm-1' }));

  it('counts from createdOn without a measurement and anchors on none', () =>
    expect(
      varroaMeasurementDue(
        { ...NEVER_MEASURED, createdOn: '2026-04-20' },
        SOMMER,
        CONFIG,
        '2026-06-30',
      ),
    ).toEqual({ dueOn: '2026-05-18', kind: 'INTERVAL', anchor: 'none' }));

  it('uses the configured interval', () =>
    expect(
      varroaMeasurementDue(
        { ...NEVER_MEASURED, createdOn: '2026-04-20' },
        SOMMER,
        { ...CONFIG, varroaMeasureIntervalDays: 14 },
        '2026-06-30',
      ),
    ).toMatchObject({ dueOn: '2026-05-04' }));

  it('is due on 11-15 in the winter window without a measurement since 11-01', () =>
    expect(
      varroaMeasurementDue(
        {
          createdOn: '2025-01-01',
          lastMeasuredOn: '2026-09-20',
          lastMeasurementId: 'm-1',
        },
        WINTERRUHE,
        CONFIG,
        '2026-11-20',
      ),
    ).toEqual({
      dueOn: '2026-11-15',
      kind: 'WINTER_WINDOW',
      anchor: 'winter-2026',
    }));

  it('is not due in the winter window after a measurement since 11-01', () =>
    expect(
      varroaMeasurementDue(
        {
          createdOn: '2025-01-01',
          lastMeasuredOn: '2026-11-03',
          lastMeasurementId: 'm-2',
        },
        WINTERRUHE,
        CONFIG,
        '2026-11-20',
      ),
    ).toBeNull());

  it('is not due in WINTERRUHE outside the winter window', () => {
    expect(
      varroaMeasurementDue(NEVER_MEASURED, WINTERRUHE, CONFIG, '2026-12-21'),
    ).toBeNull();
    expect(
      varroaMeasurementDue(NEVER_MEASURED, WINTERRUHE, CONFIG, '2026-02-10'),
    ).toBeNull();
  });

  it('opens the winter window on its first and last day', () => {
    expect(
      varroaMeasurementDue(NEVER_MEASURED, WINTERRUHE, CONFIG, '2026-11-15'),
    ).toMatchObject({ kind: 'WINTER_WINDOW' });
    expect(
      varroaMeasurementDue(NEVER_MEASURED, WINTERRUHE, CONFIG, '2026-12-20'),
    ).toMatchObject({ kind: 'WINTER_WINDOW' });
  });

  it('moves an interval due day inside the winter to the start of FRUEHJAHR', () =>
    expect(
      varroaMeasurementDue(
        {
          createdOn: '2025-01-01',
          lastMeasuredOn: '2026-11-20',
          lastMeasurementId: 'm-3',
        },
        { segment: 'FRUEHJAHR', springSince: '2027-03-20' },
        CONFIG,
        '2027-03-25',
      ),
    ).toEqual({ dueOn: '2027-03-20', kind: 'INTERVAL', anchor: 'm-3' }));

  it('keeps a due day after the start of FRUEHJAHR', () =>
    expect(
      varroaMeasurementDue(
        {
          createdOn: '2025-01-01',
          lastMeasuredOn: '2027-03-10',
          lastMeasurementId: 'm-4',
        },
        { segment: 'FRUEHJAHR', springSince: '2027-03-20' },
        CONFIG,
        '2027-04-01',
      ),
    ).toMatchObject({ dueOn: '2027-04-07' }));
});