"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const assignDailyQuestion_1 = require("./assignDailyQuestion");
// DST regression tests for the Chicago date helpers (the old hardcoded -6 offset
// mislabeled dates and shifted reveal times during the ~8 CDT months).
describe('Chicago date helpers (DST-safe)', () => {
    it('labels a summer (CDT, UTC-5) evening with the correct local date', () => {
        // 2026-07-08T03:30Z == 2026-07-07 22:30 CDT — the old -6 math said "07-07" too,
        // but 2026-07-08T04:30Z == 2026-07-07 23:30 CDT is where they diverge:
        expect((0, assignDailyQuestion_1.formatCstDate)(new Date('2026-07-08T03:30:00Z'))).toBe('2026-07-07');
        // 23:30 CDT is still Jul 7 locally; hardcoded -6 called it Jul 7 22:30 → same date,
        // but 2026-07-08T05:30Z == Jul 8 00:30 CDT; old math: Jul 7 23:30 → WRONG date.
        expect((0, assignDailyQuestion_1.formatCstDate)(new Date('2026-07-08T05:30:00Z'))).toBe('2026-07-08');
    });
    it('labels a winter (CST, UTC-6) instant correctly', () => {
        // 2026-01-08T05:30Z == 2026-01-07 23:30 CST
        expect((0, assignDailyQuestion_1.formatCstDate)(new Date('2026-01-08T05:30:00Z'))).toBe('2026-01-07');
        expect((0, assignDailyQuestion_1.formatCstDate)(new Date('2026-01-08T06:30:00Z'))).toBe('2026-01-08');
    });
    it('parses midnight Chicago with the seasonal offset', () => {
        // Summer: midnight CDT == 05:00Z
        expect((0, assignDailyQuestion_1.parseCstDate)('2026-07-07').toISOString()).toBe('2026-07-07T05:00:00.000Z');
        // Winter: midnight CST == 06:00Z
        expect((0, assignDailyQuestion_1.parseCstDate)('2026-01-07').toISOString()).toBe('2026-01-07T06:00:00.000Z');
    });
    it('puts the 6 PM reveal at 6 PM local in both seasons', () => {
        // Summer: 18:00 CDT == 23:00Z
        expect((0, assignDailyQuestion_1.timestampAt6PmCst)('2026-07-07').toDate().toISOString()).toBe('2026-07-07T23:00:00.000Z');
        // Winter: 18:00 CST == 00:00Z next day
        expect((0, assignDailyQuestion_1.timestampAt6PmCst)('2026-01-07').toDate().toISOString()).toBe('2026-01-08T00:00:00.000Z');
    });
    it('round-trips format(parse(d)) across the spring-forward boundary', () => {
        for (const day of ['2026-03-07', '2026-03-08', '2026-03-09', '2026-11-01', '2026-11-02']) {
            expect((0, assignDailyQuestion_1.formatCstDate)((0, assignDailyQuestion_1.parseCstDate)(day))).toBe(day);
        }
    });
});
//# sourceMappingURL=assignDailyQuestion.test.js.map