import { describe, it, expect } from 'vitest';
import {
  resolvePresaleClosure,
  isPresaleClosed,
  DEFAULT_PRESALE_CLOSE_MINUTES,
} from './presale.js';

const START = '2030-01-01T20:00:00.000Z';
const startMs = new Date(START).getTime();
const minutes = (n: number) => n * 60_000;

describe('resolvePresaleClosure', () => {
  it('falls back to the built-in defaults when neither event nor settings specify anything', () => {
    const r = resolvePresaleClosure({ startDatetime: START }, null);
    expect(r.enabled).toBe(true);
    expect(r.minutesBefore).toBe(DEFAULT_PRESALE_CLOSE_MINUTES);
    expect(r.closesAt?.getTime()).toBe(startMs - minutes(DEFAULT_PRESALE_CLOSE_MINUTES));
  });

  it('inherits from site settings when the event has null overrides', () => {
    const r = resolvePresaleClosure(
      { startDatetime: START, presaleClosureEnabled: null, presaleCloseMinutesBefore: null },
      { presaleClosureEnabled: true, presaleCloseMinutesBefore: 30 }
    );
    expect(r.minutesBefore).toBe(30);
    expect(r.closesAt?.getTime()).toBe(startMs - minutes(30));
  });

  it('lets the event override the site settings', () => {
    const r = resolvePresaleClosure(
      { startDatetime: START, presaleClosureEnabled: true, presaleCloseMinutesBefore: 1440 },
      { presaleClosureEnabled: false, presaleCloseMinutesBefore: 30 }
    );
    expect(r.enabled).toBe(true);
    expect(r.closesAt?.getTime()).toBe(startMs - minutes(1440));
  });

  it('returns closesAt null when closure is disabled (site-wide or per event)', () => {
    expect(resolvePresaleClosure({ startDatetime: START }, { presaleClosureEnabled: false }).closesAt).toBeNull();
    expect(
      resolvePresaleClosure({ startDatetime: START, presaleClosureEnabled: false }, { presaleClosureEnabled: true }).closesAt
    ).toBeNull();
  });

  it('accepts PostgreSQL 0/1 integers and string minutes', () => {
    const r = resolvePresaleClosure(
      { startDatetime: new Date(START), presaleClosureEnabled: 1, presaleCloseMinutesBefore: '45' },
      { presaleClosureEnabled: 0, presaleCloseMinutesBefore: 10 }
    );
    expect(r.enabled).toBe(true);
    expect(r.minutesBefore).toBe(45);
    const off = resolvePresaleClosure({ startDatetime: START, presaleClosureEnabled: 0 }, { presaleClosureEnabled: 1 });
    expect(off.enabled).toBe(false);
  });

  it('closes at the event start when minutes is 0', () => {
    const r = resolvePresaleClosure({ startDatetime: START, presaleCloseMinutesBefore: 0 }, null);
    expect(r.closesAt?.getTime()).toBe(startMs);
  });
});

describe('isPresaleClosed', () => {
  const event = { startDatetime: START, presaleClosureEnabled: true, presaleCloseMinutesBefore: 60 };

  it('is open before the cutoff and closed from the cutoff onwards', () => {
    const cutoff = startMs - minutes(60);
    expect(isPresaleClosed(event, null, cutoff - 1)).toBe(false);
    expect(isPresaleClosed(event, null, cutoff)).toBe(true);
    expect(isPresaleClosed(event, null, startMs + minutes(5))).toBe(true);
  });

  it('never closes when closure is disabled', () => {
    expect(isPresaleClosed({ ...event, presaleClosureEnabled: false }, null, startMs + minutes(60))).toBe(false);
  });
});