import { describe, expect, it } from 'vitest'
import { filterPendingDeliveryGroupBuyOrders, groupBuyOrderDispatchLabel } from './groupBuyApi'
import type { GroupBuyOrder } from '../types'

describe('group buy dispatch helpers', () => {
  it('keeps only group buy orders waiting for delivery', () => {
    const orders = [
      groupBuyOrder({ id: 1, status: 'PENDING_DELIVERY' }),
      groupBuyOrder({ id: 2, status: 'DELIVERING' }),
      groupBuyOrder({ id: 3, status: 'PENDING_PICKUP' })
    ]

    expect(filterPendingDeliveryGroupBuyOrders(orders).map((item) => item.id)).toEqual([1])
  })

  it('builds a readable dispatch label', () => {
    expect(groupBuyOrderDispatchLabel(groupBuyOrder({
      orderNo: 'GB00000001',
      groupBuyTitle: 'Today eggs',
      quantity: 2,
      amountCent: 5980
    }))).toBe('GB00000001 Today eggs x2 ¥59.80')
  })
})

function groupBuyOrder(overrides: Partial<GroupBuyOrder>): GroupBuyOrder {
  return {
    id: 1,
    orderNo: 'GB00000001',
    groupBuyId: 1,
    groupBuyTitle: 'Today eggs',
    quantity: 1,
    priceCent: 2990,
    amountCent: 2990,
    deliveryMethod: 'IMMEDIATE',
    status: 'PENDING_DELIVERY',
    offlinePayStatus: 'UNPAID',
    ...overrides
  }
}