import { describe, expect, it } from 'vitest';
import { isOnOrBeforeVisibleDate, throughVisibleDate } from '../visibility.ts';

describe('throughVisibleDate', () => {
  const rows = [{ date: '2026-09-05' }, { date: '2026-09-06' }, { date: '2026-09-07' }];

  it('drops rows after the publish cutoff', () => {
    expect(throughVisibleDate(rows, '2026-09-06')).toEqual([
      { date: '2026-09-05' },
      { date: '2026-09-06' },
    ]);
  });

  it('returns all rows when cutoff is missing', () => {
    expect(throughVisibleDate(rows, undefined)).toEqual(rows);
    expect(throughVisibleDate(rows, null)).toEqual(rows);
  });
});

describe('isOnOrBeforeVisibleDate', () => {
  it('rejects dates after the cutoff', () => {
    expect(isOnOrBeforeVisibleDate('2026-09-07', '2026-09-06')).toBe(false);
  });

  it('accepts dates on or before the cutoff', () => {
    expect(isOnOrBeforeVisibleDate('2026-09-06', '2026-09-06')).toBe(true);
    expect(isOnOrBeforeVisibleDate('2026-09-05', '2026-09-06')).toBe(true);
  });

  it('rejects empty dates', () => {
    expect(isOnOrBeforeVisibleDate(null, '2026-09-06')).toBe(false);
    expect(isOnOrBeforeVisibleDate(undefined, '2026-09-06')).toBe(false);
  });
});