import { describe, it, expect } from 'vitest';
import { placeOrder, receiveDeliveries } from '../../src/sim/orders';
import { createNewGame } from '../../src/sim/state';
import { backroomQty } from '../../src/sim/inventory';
import { testCatalog } from './helpers';

const catalog = testCatalog();

describe('orders', () => {
  it('charges the wholesale cost and queues the delivery', () => {
    const s = createNewGame(1);
    const cashBefore = s.cash;
    expect(placeOrder(s, catalog, 'sml', 3)).toBe(2467 * 3);
    expect(s.cash).toBe(cashBefore - 2467 * 3);
    expect(s.day.expensesCents).toBe(2467 * 3);
    expect(s.pendingOrders).toEqual([{ item: { gameId: 'sml', condition: 'new' }, qty: 3 }]);
  });

  it('rejects invalid orders', () => {
    const s = createNewGame(1);
    expect(() => placeOrder(s, catalog, 'sml', 0)).toThrow('Quantity must be positive');
    expect(() => placeOrder(s, catalog, 'future', 1)).toThrow('Not released yet: future');
    s.cash = 100;
    expect(() => placeOrder(s, catalog, 'sml', 1)).toThrow('Not enough cash');
  });

  it('moves deliveries into the backroom', () => {
    const s = createNewGame(1);
    placeOrder(s, catalog, 'sml', 2);
    placeOrder(s, catalog, 'sml', 1);
    const delivered = receiveDeliveries(s);
    expect(delivered).toHaveLength(2);
    expect(backroomQty(s.inventory, { gameId: 'sml', condition: 'new' })).toBe(3);
    expect(s.pendingOrders).toEqual([]);
  });
});