const { transferBlocker } = require('../src/utils/ticketTransfer');
const { judgeSyncedScan } = require('../src/utils/scanLocks');

describe('transferBlocker', () => {
  const now = new Date('2026-10-01T10:00:00Z');
  const ticket = {
    userId: 'payer', holderUserId: 'holder', usages: [], registrationStatus: 'paid',
    event: { startDate: '2026-10-05T08:00:00Z', allowTicketTransfer: true },
  };
  const user = (id, role = 'user') => ({ id, role });

  test('the payer and the holder can transfer', () => {
    expect(transferBlocker(ticket, user('payer'), now)).toBeNull();
    expect(transferBlocker(ticket, user('holder'), now)).toBeNull();
  });

  test('anyone else needs to be a supervisor', () => {
    expect(transferBlocker(ticket, user('someone'), now).status).toBe(403);
    expect(transferBlocker(ticket, user('staffer', 'staff'), now).status).toBe(403);
    expect(transferBlocker(ticket, user('sup', 'supervisor'), now)).toBeNull();
  });

  test('not once the event has started', () => {
    expect(transferBlocker({ ...ticket, event: { ...ticket.event, startDate: '2026-10-01T09:00:00Z' } }, user('sup', 'supervisor'), now).message).toMatch(/before the event starts/);
  });

  test('not once any of it has been scanned', () => {
    expect(transferBlocker({ ...ticket, usages: [{ id: 'u1' }] }, user('payer'), now).message).toMatch(/already been used/);
  });

  test('not for a cancelled registration', () => {
    expect(transferBlocker({ ...ticket, registrationStatus: 'cancelled' }, user('payer'), now)).not.toBeNull();
  });

  test('turned off per event, except for supervisors', () => {
    const off = { ...ticket, event: { ...ticket.event, allowTicketTransfer: false } };
    expect(transferBlocker(off, user('payer'), now).message).toMatch(/turned off/);
    expect(transferBlocker(off, user('admin', 'admin'), now)).toBeNull();
  });
});

describe('offline sync of a transferred code', () => {
  test('is flagged and not recorded', () => {
    expect(judgeSyncedScan({ transferred: true }, 1)).toEqual({ redeem: 0, conflict: 'transferred' });
  });
});