import { describe, expect, it } from 'vitest'
import { formatOverseasDateTime, inventoryBusinessTypeLabel, lastMileOrderReference, toLastMileOrderListItem } from './lastMilePresentation'

describe('last-mile order presentation adapter', () => {
  it('formats overseas timestamps with zero-padded seconds', () => {
    expect(formatOverseasDateTime('2026-08-27T16:19:46')).toBe('2026-08-27 16:19:46')
    expect(formatOverseasDateTime('2026-08-07T06:09:04')).toBe('2026-08-07 06:09:04')
    expect(formatOverseasDateTime('2026-08-07')).toMatch(/^2026-08-07 /)
    expect(formatOverseasDateTime(new Date(2026, 7, 7, 6, 9, 4))).toBe('2026-08-07 06:09:04')
    expect(formatOverseasDateTime('')).toBe('—')
    expect(formatOverseasDateTime('not-a-date')).toBe('not-a-date')
  })

  it.each([
    ['IN_TRANSIT', '在途入账'],
    ['STOCK_IN', '入库'],
    ['STOCK_IN_TRANSIT_RELEASE', '在途库存转入'],
    ['HOLD', '库存暂扣'],
    ['RELEASE', '解除暂扣'],
    ['ALLOCATE', '库存分配'],
    ['UNALLOCATE', '取消分配'],
    ['PICK', '拣货'],
    ['SHIP', '出库'],
    ['ADJUST', '库存调整'],
    ['STOCKTAKE_ADJUST', '盘点调整'],
    ['PALLET_ASSEMBLE', '组托'],
    ['PALLET_DISASSEMBLE', '拆托'],
    ['PALLET_SWAP', '换托'],
    ['PALLET_UNBIND', '解托'],
  ])('maps inventory business type %s to %s', (code, label) => {
    expect(inventoryBusinessTypeLabel(code)).toBe(label)
  })

  it('maps backend codes, associations and long ids without inventing data', () => {
    const row = toLastMileOrderListItem({
      id: '190000000000000099', customerId: '190000000000000001', orderNo: 'LL-001', orderType: 'ONE_CLICK_DROPSHIP', currentStatus: 'PENDING_ASSIGNMENT',
      abnormal: true, detained: false, packageCount: 12, palletMergeFlag: 'REQUIRED', deliveryOrderNo: 'DEL-READ-ONLY', outboundOrderNo: 'OUT-READ-ONLY',
    })
    expect(row).toMatchObject({
      id: '190000000000000099', customerId: '190000000000000001', orderType: '一件代发', status: '待分配',
      warning: '异常', abnormal: '是', held: '否', cartons: 12, consolidated: '待合托', palletMergeFlag: 'REQUIRED', dispatchOrderNo: 'DEL-READ-ONLY', outboundOrderNo: 'OUT-READ-ONLY',
    })
    expect(row.rejectedAt).toBe('—')
  })

  it('shows the backend customerName and never guesses the owner from customerId', () => {
    expect(toLastMileOrderListItem({
      id: '1', customerId: '190000000000000001', customerName: '华远贸易', orderNo: 'LMO-260827-0001',
    }).owner).toBe('华远贸易')
    expect(toLastMileOrderListItem({
      id: '2', customerId: '190000000000000002', customerName: null, orderNo: 'LMO-260827-0002',
    }).owner).toBe('—')
  })

  it('preserves the exact server LMO short number without padding, prefixing or deriving it from id', () => {
    const serverOrderNo = 'LMO-9A7'
    const row = toLastMileOrderListItem({ id: '2092873463568596994', customerId: '100', orderNo: serverOrderNo })
    expect(row.orderNo).toBe(serverOrderNo)
    expect(lastMileOrderReference(serverOrderNo)).toBe(serverOrderNo)
    expect(row.orderNo).not.toContain(row.id)
  })

  it('preserves real metrics and distinguishes zero from unknown fields and times', () => {
    const estimatedArrivalAt = '2026-08-27T12:30:00Z'
    const row = toLastMileOrderListItem({
      id: '3', customerId: '190000000000000003', orderNo: 'LMO-260827-0003',
      palletCount: 3, packageCount: 0, volumeCbm: 12.75, productQuantity: null, volumeWeightKg: 88.6,
      estimatedArrivalAt, actualArrivalAt: null, estimatedWarehouseAt: null,
    })
    expect(row).toMatchObject({
      pallets: 3, cartons: 0, volume: 12.75, quantity: '—', volumeWeight: 88.6,
      portEta: formatOverseasDateTime(estimatedArrivalAt), portAta: '—', warehouseEta: '—',
    })
  })

  it.each([
    ['RELABEL_APPLICATION', '换标下单'],
    ['WAREHOUSE_TRANSFER', '仓储转运'],
    ['RETURN_RELABEL', '退货换标'],
    ['LOCAL_LOOSEBOARD', '本土散板'],
  ])('maps %s to its Chinese display name', (orderType, expected) => {
    const row = toLastMileOrderListItem({ id: '1', customerId: '100', orderNo: 'LL-1', orderType })
    expect(row.orderType).toBe(expected)
  })

  it('shows related inbound numbers instead of the shared tail-leg order number', () => {
    const row = toLastMileOrderListItem({
      id: '11', customerId: '100', orderNo: 'LMO-1', palletMergeFlag: 'MERGED',
      palletMergeBatchId: 'PMG-1', palletMergeInboundNos: ['NYEXX2608280001', 'NYEXX2608280002'],
    })

    expect(row.palletMergeRelation).toBe('NYEXX2608280001、NYEXX2608280002')
  })
})