import { CartExpiryWorkerService } from './cart-expiry.worker';
import { tehranWallToUtc } from './cart-schedule';

describe('CartExpiryWorkerService', () => {
  function build(opts: {
    cfg?: Record<string, unknown>;
    carts?: Array<Record<string, unknown>>;
  }) {
    const carts = opts.carts ?? [];
    const updates: Array<{ customerId: string; data: Record<string, unknown> }> = [];
    const sms = { send: jest.fn(async () => ({ ok: true })) };
    const prisma = {
      customerCart: {
        findMany: jest.fn(async () => carts),
        update: jest.fn(async ({ where, data }: { where: { customerId: string }; data: Record<string, unknown> }) => {
          updates.push({ customerId: where.customerId, data });
          return {};
        }),
      },
      $executeRaw: jest.fn(async () => 1),
    };
    const cart = {
      getConfig: jest.fn(async () => ({
        enabled: true,
        clearHour: 13,
        clearMinute: 0,
        sameDayDeferFromHour: 8,
        sameDayDeferFromMinute: 0,
        reminderEnabled: true,
        reminderHoursBefore: 2,
        reminderBody: 'تا %count ساعت',
        worker: 'on' as const,
        ...opts.cfg,
      })),
    };
    const worker = new CartExpiryWorkerService(prisma as never, cart as never, sms as never);
    return { worker, sms, updates, prisma, cart };
  }

  it('no-ops when disabled', async () => {
    const { worker, sms, prisma } = build({ cfg: { enabled: false } });
    await worker.tick(tehranWallToUtc(2026, 11, 12, 12, 0, 0));
    expect(sms.send).not.toHaveBeenCalled();
    expect(prisma.customerCart.findMany).not.toHaveBeenCalled();
  });

  it('reminds carts due today (touched before 08:00), not deferred ones', async () => {
    const todayClear = tehranWallToUtc(2026, 11, 12, 13, 0, 0);
    const { worker, sms, updates } = build({
      carts: [
        {
          customerId: 'early',
          items: [{ pid: 'p1', vid: 'v1', qty: 1 }],
          reminderSentForClearAt: null,
          updatedAt: tehranWallToUtc(2026, 11, 12, 7, 0, 0),
          customer: { mobile: '09120000000', isActive: true },
        },
        {
          customerId: 'deferred',
          items: [{ pid: 'p2', vid: 'v2', qty: 1 }],
          reminderSentForClearAt: null,
          // 10:00 → deadline tomorrow 13 — no reminder yet at 11:30 today
          updatedAt: tehranWallToUtc(2026, 11, 12, 10, 0, 0),
          customer: { mobile: '09121111111', isActive: true },
        },
      ],
    });
    await worker.tick(tehranWallToUtc(2026, 11, 12, 11, 30, 0));
    expect(sms.send).toHaveBeenCalledTimes(1);
    expect(sms.send).toHaveBeenCalledWith('09120000000', expect.any(String));
    expect(updates[0]?.customerId).toBe('early');
    expect(updates[0]?.data.reminderSentForClearAt).toEqual(todayClear);
  });

  it('does not clear 08–13 carts at today 13; clears pre-08 carts', async () => {
    const { worker, updates, sms } = build({
      carts: [
        {
          customerId: 'early',
          items: [{ pid: 'p1', vid: 'v1', qty: 1 }],
          reminderSentForClearAt: null,
          updatedAt: tehranWallToUtc(2026, 11, 12, 7, 0, 0),
          customer: { mobile: '09120000000', isActive: true },
        },
        {
          customerId: 'deferred',
          items: [{ pid: 'p2', vid: 'v2', qty: 1 }],
          reminderSentForClearAt: null,
          updatedAt: tehranWallToUtc(2026, 11, 12, 10, 0, 0),
          customer: { mobile: '09121111111', isActive: true },
        },
        {
          customerId: 'afternoon',
          items: [{ pid: 'p3', vid: 'v3', qty: 1 }],
          reminderSentForClearAt: null,
          updatedAt: tehranWallToUtc(2026, 11, 12, 14, 0, 0),
          customer: { mobile: '09122222222', isActive: true },
        },
      ],
    });
    await worker.tick(tehranWallToUtc(2026, 11, 12, 13, 5, 0));
    expect(sms.send).not.toHaveBeenCalled();
    expect(updates).toHaveLength(1);
    expect(updates[0].customerId).toBe('early');
    expect(updates[0].data.items).toEqual([]);
  });

  it('clears deferred (08–13) carts at tomorrow 13', async () => {
    const { worker, updates } = build({
      carts: [
        {
          customerId: 'deferred',
          items: [{ pid: 'p2', vid: 'v2', qty: 1 }],
          reminderSentForClearAt: null,
          updatedAt: tehranWallToUtc(2026, 11, 12, 10, 0, 0),
          customer: { mobile: '09121111111', isActive: true },
        },
      ],
    });
    await worker.tick(tehranWallToUtc(2026, 11, 13, 13, 5, 0));
    expect(updates).toHaveLength(1);
    expect(updates[0].customerId).toBe('deferred');
  });
});