import assert from 'node:assert/strict'
import test from 'node:test'
import { describeLoadDeliveryProductGap } from '../src/utils/pl-plan-stop-form'

test('load and delivery product sets must name every product that exists on only one side', () => {
  const gap = describeLoadDeliveryProductGap(
    [
      { productId: 'a', productName: 'A' },
      { productId: 'd', productName: 'D' }
    ],
    [
      { products: [{ productId: 'a', productName: 'A' }] },
      {
        products: [
          { productId: 'b', productName: 'B' },
          { productId: 'c', productName: 'C' }
        ]
      }
    ]
  )
  assert.equal(
    gap,
    '装货段有产品 D，送货段没有；送货段有产品 B、C，装货段没有。两边产品必须一致，不能保存'
  )
})

test('same product in different packages is one product', () => {
  assert.equal(
    describeLoadDeliveryProductGap(
      [
        { productId: 'a', productName: '尿素', packageSpec: '桶' },
        { productId: 'a', productName: '尿素', packageSpec: '散装' }
      ],
      [{ products: [{ productId: 'a', productName: '尿素', packageSpec: '袋' }] }]
    ),
    ''
  )
})

test('empty product lists match', () => {
  assert.equal(describeLoadDeliveryProductGap([], [{ products: [] }]), '')
})