import test from 'node:test'
import assert from 'node:assert/strict'
import { readFileSync } from 'node:fs'
import vm from 'node:vm'

const physicalRow = items => ({ items, length: 10, width: 10, height: 10, weight: 1, originalPackaging: true, confirmed: true })

test('box and parcel confirmation opens the camera only after every valid row is confirmed', () => {
  for (const type of ['BOX', 'PARCEL']) {
    const cameras = []
    const page = setup(async () => ({}), new Map(), 'operator:warehouse', { uni: { chooseImage: options => cameras.push(options) } })
    page.unitType = type
    page.boxRows = [physicalRow({ 'SKU-TEST': 2 }), physicalRow({ 'SKU-TEST': 3 })]
    page.boxRows.forEach(row => { row.confirmed = false })
    page.confirmBoxRow(0)
    assert.equal(page.boxRows[0].confirmed, true)
    assert.equal(cameras.length, 0)
    page.confirmBoxRow(1)
    assert.equal(cameras.length, 1)
    assert.deepEqual(Array.from(cameras[0].sourceType), ['camera'])
    page.editBoxRow(0)
    assert.equal(page.allBoxRowsConfirmed, false)
    assert.equal(page.boxRows[0].confirmed, false)
  }
})

test('remaining quantity accounts for other drafts and rejects fractional negative or excessive input', () => {
  const page = setup(async () => ({}))
  page.unitType = 'BOX'
  page.boxRows = [physicalRow({ 'SKU-TEST': 2 }), physicalRow({ 'SKU-TEST': 3 })]
  assert.equal(page.boxRemaining(0, page.selectedItems[0]), 7)
  for (const quantity of ['7.5', '-1', '8']) {
    page.setBoxQuantity(0, 'SKU-TEST', quantity)
    assert.equal(page.boxRows[0].items['SKU-TEST'], quantity)
    assert.equal(page.boxRowValid(0), false)
    page.confirmBoxRow(0)
    assert.equal(page.boxRows[0].confirmed, false)
  }
  page.setBoxQuantity(0, 'SKU-TEST', '7')
  assert.equal(page.boxRowValid(0), true)
  page.resizeBoxRows(3)
  assert.equal(page.boxRows[2].originalPackaging, true)
  assert.equal(page.boxRows[2].confirmed, false)
})

test('final photo upload waits for explicit confirmation and failed uploads cannot submit', async () => {
  for (const failUpload of [false, true]) {
    let camera, requests = []
    const page = setup(async request => { requests.push(request); return { fullyMatched: true } }, new Map(), 'operator:warehouse', {
      uni: { chooseImage: options => { camera = options } },
      uploadReturnPalletPhoto: async () => { if (failUpload) throw new Error('upload failed'); return { fileId: 'PHOTO-1' } }
    })
    page.unitType = 'BOX'; page.boxRows = [physicalRow({ 'SKU-TEST': 10 })]
    page.boxRows[0].confirmed = false
    page.confirmBoxRow(0)
    assert.equal(requests.length, 0)
    await camera.success({ tempFilePaths: ['photo.jpg'], tempFiles: [{ size: 100 }] })
    assert.equal(requests.length, 0)
    await page.confirmReceipt()
    assert.equal(requests.length, failUpload ? 0 : 1)
    if (failUpload) assert.match(page.error.message, /照片/)
  }
})

test('parcel photos accumulate without submitting until explicit receipt confirmation', async () => {
  let camera, uploads = 0
  const requests = []
  const page = setup(async request => { requests.push(request); return { fullyMatched: true } }, new Map(), 'operator:warehouse', {
    uni: { chooseImage: options => { camera = options } },
    uploadReturnPalletPhoto: async () => ({ fileId: `PHOTO-${++uploads}` })
  })
  page.unitType = 'PARCEL'; page.unitCode = ''; page.boxRows = [physicalRow({ 'SKU-TEST': 10 })]
  page.boxRows[0].confirmed = false
  await page.confirmReceipt()
  assert.equal(requests.length, 0)
  page.confirmBoxRow(0)
  await camera.success({ tempFilePaths: ['first.jpg'] })
  assert.equal(requests.length, 0)
  assert.ok(page.current)
  page.choosePhoto()
  assert.equal(camera.count, 9)
  await camera.success({ tempFilePaths: ['second.jpg', 'third.jpg'] })
  assert.equal(page.photoFileIds.length, 3)
  assert.equal(requests.length, 0)
  await page.confirmReceipt()
  assert.equal(requests.length, 1)
  assert.equal(page.current, null)
})

test('parcel signing requires a photo even for a partial receipt', async () => {
  let requests = 0
  const page = setup(async () => { requests++; return {} })
  page.unitType = 'PARCEL'; page.boxRows = [physicalRow({ 'SKU-TEST': 2 })]
  await page.confirmReceipt()
  assert.equal(requests, 0)
  assert.match(page.error.message, /照片/)
})

test('editing the draft before the camera returns prevents late photo submission', async () => {
  let camera, uploads = 0, requests = 0
  const page = setup(async () => { requests++; return {} }, new Map(), 'operator:warehouse', {
    uni: { chooseImage: options => { camera = options } },
    uploadReturnPalletPhoto: async () => { uploads++; return { fileId: 'PHOTO-1' } }
  })
  page.unitType = 'PARCEL'; page.photoFileIds = ['PHOTO-EXISTING']; page.boxRows = [physicalRow({ 'SKU-TEST': 2 })]
  page.choosePhoto(true)
  page.editBoxRow(0)
  await camera.success({ tempFilePaths: ['late.jpg'] })
  assert.equal(uploads, 0)
  assert.equal(requests, 0)
})

function setup(confirm, saved = new Map(), scope = 'operator:warehouse', runtime = {}) {
  const context = vm.createContext({ reactive: value => value, ReturnLabelConfirmation: {}, PortalHeader: {}, ScanTargetInput: {},
    playSuccessSound() {}, playErrorSound() {}, confirmReturnReceipt: confirm,
    ...runtime,
    uni: { setStorageSync: (key, value) => saved.set(key, structuredClone(value)), getStorageSync: key => saved.get(key), removeStorageSync: key => saved.delete(key), ...runtime.uni } })
  const store = readFileSync(new URL('../src/stores/warehouse-work.js', import.meta.url), 'utf8')
  vm.runInContext(store.replace(/^import .*$/mg, '').replace(/export /g, ''), context)
  const page = readFileSync(new URL('../src/pages/return-receipt/return-receipt.vue', import.meta.url), 'utf8')
  const script = page.match(/<script[^>]*>([\s\S]*?)<\/script>/)[1]
  const component = vm.runInContext(script.replace(/^\s*import .*$/mg, '').replace('export default', 'globalThis.component ='), context)
  vm.runInContext(`restoreWarehouseWork(${JSON.stringify(scope)})`, context)
  const instance = Object.assign({}, component.methods, {
    unitType: 'PALLET', palletBoxCount: 1, canConfirm: true, busy: false,
    current: { returnNo: 'RT-TEST', expectedItems: [{ skuCode: 'SKU-TEST', expectedQuantity: 10, receivedQuantity: 0 }] },
    selectedItems: [{ skuCode: 'SKU-TEST', expectedQuantity: 10, receivedQuantity: 0 }], photoFileIds: [], photoNames: [], photoUrls: {}, trackingNo: ' TRACK-TEST ', startedBy: 'SKU',
    palletCode: ' PLT-TEST ', palletLength: 10, palletWidth: 10, palletHeight: 10, palletWeight: 1,
    quantity: () => 2, boxCount: () => 1
  })
  Object.defineProperty(instance, 'receiptBatch', { get: () => vm.runInContext('warehouseWork.returnReceipt.pendingBatch', context) })
  Object.defineProperty(instance, 'allBoxRowsConfirmed', { get: () => component.computed.allBoxRowsConfirmed.call(instance) })
  return instance
}

test('SKU lookup displays all pending order lines while retaining scanned SKU for pallet generation', () => {
  const source = readFileSync(new URL('../src/pages/return-receipt/return-receipt.vue', import.meta.url), 'utf8')
  const script = source.match(/<script[^>]*>([\s\S]*?)<\/script>/)[1]
  const component = vm.runInNewContext(script.replace(/^\s*import .*$/mg, '').replace('export default', 'globalThis.component ='), { ReturnLabelConfirmation: {}, PortalHeader: {}, ScanTargetInput: {} })
  const lines = [{ skuCode: 'SKU-A', expectedQuantity: 6 }, { skuCode: 'SKU-B', expectedQuantity: 4 }]
  const instance = { current: { expectedItems: lines }, selectedSku: 'SKU-A' }
  instance.selectedItems = component.computed.selectedItems.call(instance)
  assert.equal(instance.selectedItems.length, 2)
  assert.equal(instance.selectedItems[1].skuCode, 'SKU-B')
  assert.equal(component.computed.activeSkuCode.call(instance), 'SKU-A')
  instance.selectedSku = ''
  assert.equal(component.computed.activeSkuCode.call(instance), 'SKU-A')
  instance.selectedSku = 'SKU-FROM-PREVIOUS-ORDER'
  assert.equal(component.computed.activeSkuCode.call(instance), 'SKU-A')
})

test('PALLET page submits the required palletCode through the actual confirmation method', async () => {
  const calls = []
  const page = setup(async payload => { calls.push(JSON.parse(JSON.stringify(payload))); return { palletCode: payload.palletCode } })
  await page.confirmReceipt()
  assert.equal(calls.length, 1)
  assert.equal(calls[0].palletCode, 'PLT-TEST')
	assert.equal(calls[0].unitCode, undefined)
	assert.deepEqual(Object.keys(calls[0]).sort(), ['height', 'idempotencyKey', 'items', 'length', 'palletCode', 'returnNo', 'startedBy', 'totalBoxCount', 'trackingNo', 'unitType', 'weight', 'width'].sort())
	assert.equal(calls[0].unitType, 'PALLET')
	assert.equal(calls[0].totalBoxCount, 1)
	assert.deepEqual(Object.keys(calls[0].items[0]).sort(), ['boxCount', 'receivedQuantity', 'skuCode'].sort())
  assert.equal(calls[0].returnNo, 'RT-TEST')
  assert.equal(calls[0].trackingNo, 'TRACK-TEST')
  assert.equal(calls[0].items[0].receivedQuantity, 2)
  assert.ok(calls[0].idempotencyKey)
  assert.equal(page.current, null)
})

test('parcel signing allows an empty code but still rejects quantities above the remaining amount', async () => {
  const source = readFileSync(new URL('../src/pages/return-receipt/return-receipt.vue', import.meta.url), 'utf8')
  const component = vm.runInNewContext(source.match(/<script[^>]*>([\s\S]*?)<\/script>/)[1].replace(/^\s*import .*$/mg, '').replace('export default', 'globalThis.component ='), { ReturnLabelConfirmation: {}, PortalHeader: {}, ScanTargetInput: {} })
  const state = { current: {}, selectedItems: [{ skuCode: 'A' }], receiptQuantity: 2, unitType: 'PARCEL', boxRows: [physicalRow({ A: 2 })], remaining: () => 3 }
  assert.equal(component.computed.canConfirm.call(state), true)
  state.boxRows[0].items.A = 4
  assert.equal(component.computed.canConfirm.call(state), false)
  const calls = []
  const page = setup(async payload => { calls.push(payload); return { unitType: 'PARCEL' } })
  page.unitType = 'PARCEL'; page.photoFileIds = ['PHOTO-EXISTING']; page.unitCode = ''; page.trackingNo = ''; page.boxRows = [physicalRow({ 'SKU-TEST': 2 })]
  await page.confirmReceipt()
  assert.equal(calls.length, 1)
  assert.equal(calls[0].trackingNo, undefined)
  assert.equal(calls[0].unitCode, undefined)
  assert.equal(calls[0].palletCode, undefined)
})

test('parcel waybill is submitted as trackingNo and leaves unitCode for the server', async () => {
  const calls = []
  const page = setup(async payload => { calls.push(payload); return { unitType: 'PARCEL' } })
  page.unitType = 'PARCEL'; page.photoFileIds = ['PHOTO-EXISTING']; page.unitCode = ' sf561626 '; page.trackingNo = 'stale-from-pallet'; page.boxRows = [physicalRow({ 'SKU-TEST': 2 })]
  await page.confirmReceipt()
  assert.equal(calls[0].trackingNo, 'sf561626')
  assert.equal(calls[0].unitCode, undefined)
  assert.equal(calls[0].palletCode, undefined)
})

test('batch waybill scans stay on the single parcel waybill input', () => {
  const page = setup(async () => ({}))
  page.unitType = 'PARCEL'; page.photoFileIds = ['PHOTO-EXISTING']; page.activeTarget = 'unit'; page.palletCode = ''
  page.handleScan('WAYBILL-ONE')
  assert.equal(page.unitCode, 'WAYBILL-ONE'); assert.equal(page.palletCode, '')
  assert.equal(page.activeTarget, 'unit')
  page.handleScan('WAYBILL-CORRECTED')
  assert.equal(page.unitCode, 'WAYBILL-CORRECTED')
})

test('parcel rows must be nonempty and summed quantities cannot exceed the order remainder', () => {
  const source = readFileSync(new URL('../src/pages/return-receipt/return-receipt.vue', import.meta.url), 'utf8')
  const component = vm.runInNewContext(source.match(/<script[^>]*>([\s\S]*?)<\/script>/)[1].replace(/^\s*import .*$/mg, '').replace('export default', 'globalThis.component ='), { ReturnLabelConfirmation: {}, PortalHeader: {}, ScanTargetInput: {} })
  const state = { current: {}, selectedItems: [{ skuCode: 'A' }], receiptQuantity: 4, unitType: 'PARCEL', boxRows: [physicalRow({ A: 2 }), physicalRow({ A: 2 })], remaining: () => 3 }
  assert.equal(component.computed.canConfirm.call(state), false)
  state.remaining = () => 5
  assert.equal(component.computed.canConfirm.call(state), true)
  state.boxRows[1].items = {}
  assert.equal(component.computed.canConfirm.call(state), false)
})

test('one submission signs multiple mixed-SKU parcels sharing one waybill and independent labels', async () => {
  const calls = []
  const page = setup(async request => {
    calls.push(JSON.parse(JSON.stringify(request)))
    return { unitType: 'PARCEL', labels: [{ cartonMark: `RP-${calls.length}`, printableHtml: 'label' }], fullyMatched: false }
  })
  page.unitType = 'PARCEL'; page.photoFileIds = ['PHOTO-EXISTING']; page.unitCode = ' WAYBILL-BATCH '; page.trackingNo = 'stale'; page.selectedItems = [{ skuCode: 'SKU-TEST', expectedQuantity: 10 }, { skuCode: 'SKU-B', expectedQuantity: 10 }]
  page.boxRows = [physicalRow({ 'SKU-TEST': 1, 'SKU-B': 2 }), physicalRow({ 'SKU-TEST': 3 })]
  await page.confirmReceipt()
  assert.equal(calls.length, 2)
  assert.deepEqual(calls[0].items, [{ skuCode: 'SKU-TEST', receivedQuantity: 1 }, { skuCode: 'SKU-B', receivedQuantity: 2 }])
  assert.deepEqual(calls[1].items, [{ skuCode: 'SKU-TEST', receivedQuantity: 3 }])
  assert.equal(calls[0].trackingNo, 'WAYBILL-BATCH'); assert.equal(calls[1].trackingNo, 'WAYBILL-BATCH')
  assert.notEqual(calls[0].idempotencyKey, calls[1].idempotencyKey)
  assert.deepEqual(Array.from(page.result.labels, row => row.cartonMark), ['RP-1', 'RP-2'])
})

test('failed multi-parcel batch resumes immutable requests without re-signing a successful parcel', async () => {
  const saved = new Map(), calls = []
  let failSecond = true
  const confirm = async request => {
    calls.push(JSON.parse(JSON.stringify(request)))
    if (request.items[0].receivedQuantity === 2 && failSecond) throw new Error('response lost')
    return { unitType: 'PARCEL', labels: [{ cartonMark: `RP-${request.items[0].receivedQuantity}`, printableHtml: 'label' }], fullyMatched: false }
  }
  const page = setup(confirm, saved)
  page.unitType = 'PARCEL'; page.photoFileIds = ['PHOTO-EXISTING']; page.unitCode = 'WAYBILL-BATCH'; page.boxRows = [physicalRow({ 'SKU-TEST': 1 }), physicalRow({ 'SKU-TEST': 2 })]
  await page.confirmReceipt()
  assert.equal(page.receiptBatch.entries[0].result.labels[0].cartonMark, 'RP-1')
  failSecond = false
  const restored = setup(confirm, saved)
  await restored.confirmReceipt()
  assert.equal(calls.length, 3)
  assert.equal(calls[1].idempotencyKey, calls[2].idempotencyKey)
  assert.deepEqual(calls[1], calls[2])
  assert.equal(restored.result.labels.length, 2)
})

test('partial receipt continues the same order with fresh pallet measurements', async () => {
  const page = setup(async () => ({}))
  page.finishReceipt([{ fullyMatched: false }])
  assert.equal(page.result.continuationReturnNo, 'RT-TEST')
  let reopened
  page.openOrderValue = async returnNo => { reopened = returnNo; page.current = { returnNo } }
  await page.nextReceipt()
  assert.equal(reopened, 'RT-TEST')
  assert.equal(page.result, null)
  assert.equal(page.palletLength, '')
  assert.equal(page.palletWeight, '')
})

test('PALLET response failure keeps the draft and same idempotency key for retry', async () => {
  const calls = []
  const page = setup(async payload => { calls.push(JSON.parse(JSON.stringify(payload))); throw new Error('Response lost') })
  await page.confirmReceipt()
  assert.equal(page.current.returnNo, 'RT-TEST')
  assert.equal(page.busy, false)
  assert.equal(page.error.message, 'Response lost')
  await page.confirmReceipt()
  assert.equal(calls.length, 2)
  assert.equal(calls[0].idempotencyKey, calls[1].idempotencyKey)
})

test('continue signing returns to SKU scanning and accepts a fresh scan', () => {
  const page = setup(async () => ({}))
  page.finishReceipt([{ fullyMatched: false }])
  page.lookupCode = 'PREVIOUS-SKU'
  page.selectedSku = 'PREVIOUS-SKU'
  page.palletCheck = { palletCode: 'PLT-TEST' }
  page.photoFileIds = ['previous-photo']
  page.busy = true
  page.continueScanning()
  assert.ok(page.result)
  page.busy = false
  page.continueScanning()
  assert.equal(page.result, null)
  assert.equal(page.current, null)
  assert.equal(page.candidates, null)
  assert.equal(page.activeTarget, 'lookup')
  assert.equal(page.entryMode, 'SKU')
  assert.equal(page.lookupCode, '')
  assert.equal(page.selectedSku, '')
  assert.equal(page.palletCheck, null)
  assert.equal(page.palletLength, '')
  assert.equal(page.photoFileIds.length, 0)
  let scanned
  page.lookup = value => { scanned = value }
  page.handleScan('NEXT-SKU')
  assert.equal(scanned, 'NEXT-SKU')
  assert.equal(page.lookupCode, 'NEXT-SKU')
})