import { createPicker, disablePicker, resolvePickerAccess } from './phase4-overseas-pda.mjs'

const MODULE = 'phase4-overseas-return-followups'
const SCENARIO = 'phase4-overseas-return-followups'
const OPTIONS = { scenario: SCENARIO, deploymentBlocker: true }
const RETURN_ORDERS = '/api/merchant/v1/last-leg/return-orders'
const PDA_RECEIPTS = '/api/pda/v1/last-leg/return-receipts'
const RETURN_INVENTORY = '/api/merchant/v1/last-leg/return-inventory'

function id(value) { return value == null ? '' : String(value) }
function nonBlank(value) { return typeof value === 'string' && value.trim() !== '' }
function code(response) { return String(response?.body?.code ?? '') }
function success(response) { return response?.http === 200 && code(response) === '200' }
function conflict(response) {
  return (response?.http === 409 || (response?.http === 200 && ['409', 'A0409'].includes(code(response))))
    && nonBlank(response?.requestId) && nonBlank(response?.traceId)
}
function notFound(response) {
  return (response?.http === 404 || (response?.http === 200 && ['404', 'A0404'].includes(code(response))))
    && nonBlank(response?.requestId) && nonBlank(response?.traceId)
}
function records(value) { return Array.isArray(value?.records) ? value.records : Array.isArray(value) ? value : [] }
function trace(response) {
  return `HTTP=${response?.http ?? 'missing'}, code=${code(response) || 'missing'}, requestId=${response?.requestId || 'missing'}, traceId=${response?.traceId || 'missing'}`
}
function query(path, values) {
  const params = new URLSearchParams()
  for (const [name, value] of Object.entries(values || {})) {
    if (value !== undefined && value !== null && String(value) !== '') params.set(name, String(value))
  }
  return params.size ? `${path}?${params}` : path
}
function key(context, action) {
  return `${context.marker}-RETURN-${action}`.replace(/[^A-Za-z0-9:_-]/g, '').slice(0, 255)
}
function markerSuffix(context) {
  return String(context.marker).replace(/[^A-Za-z0-9]/g, '').slice(-18).toUpperCase()
}

function add(context, name, response, passed, evidence = '') {
  context.addStep(MODULE, name, response, passed, `${evidence}${evidence ? '; ' : ''}${trace(response)}`, OPTIONS)
}

async function overseas(context, token, method, name, path, body = undefined) {
  const response = await context.requestOverseas(method, path, body, {}, token)
  add(context, name, response, success(response))
  return { response, data: success(response) ? response.body?.data : null }
}

async function resolveWarehouse(context) {
  const existing = id(context.createdResources?.phase4OverseasPda?.overseasWarehouseId)
  const response = await context.request('GET',
    '/api/platform/v1/warehouse-admin?tenantId=0&page=1&size=200&capabilityCode=RECEIVING&warehouseType=OVERSEAS&status=ACTIVE')
  const rows = records(response?.body?.data)
  const fixedIds = new Set(['193000000000200003', '193000000000200004'])
  const warehouse = rows.find((item) => id(item?.id) === existing)
    || rows.find((item) => fixedIds.has(id(item?.id)))
    || rows[0]
  add(context, '读取可执行退货签收的海外仓', response,
    success(response) && nonBlank(id(warehouse?.id)), `warehouseId=${id(warehouse?.id) || 'missing'}`)
  return success(response) && warehouse ? { id: id(warehouse.id), name: warehouse.warehouseName || warehouse.name } : null
}

async function loginMerchant(context) {
  const fixture = context.context?.merchantQualificationFixture
  if (fixture?.marker !== context.marker || !fixture?.username || !fixture?.password) {
    add(context, '取得本轮客户账号', null, false, `marker=${fixture?.marker || 'missing'}`)
    return null
  }
  const response = await context.request('POST', '/api/auth/login', {
    loginId: fixture.username, password: fixture.password,
  }, '')
  const token = success(response) ? response.body?.data?.overseasAccessToken : null
  add(context, '客户登录并取得海外访问令牌', response, nonBlank(token), `tokenPresent=${nonBlank(token)}`)
  return nonBlank(token) ? token : null
}

function itemMap(items) {
  return new Map((Array.isArray(items) ? items : []).map((item) => [item.skuCode, item]))
}

export async function run(context) {
  const source = context.createdResources.phase4OverseasReturnReceipt
  if (source?.marker !== context.marker || !source?.returnNo) {
    add(context, '后续关联要求本轮退货签收合箱前置', null, false, '缺少本轮退货前置')
    return
  }
  const merchantToken = await loginMerchant(context)
  const warehouse = await resolveWarehouse(context)
  const access = await resolvePickerAccess(context)
  if (!merchantToken || !warehouse || !access) return
  const picker = await createPicker(context, 92, warehouse.id, access)
  if (!picker?.token) {
    add(context, '创建后续关联PDA操作员', null, false, '未取得绑定仓PDA令牌')
    if (picker?.membershipId) await disablePicker(context, picker, 92)
    return
  }
  const returnNo = source.returnNo
  const customerId = id(context.context?.merchantQualificationFixture?.tenantId)
  const suffix = markerSuffix(context)
  try {
    const relabelCandidates = await overseas(context, merchantToken, 'GET', '客户查询本轮退货换标候选',
      `${RETURN_ORDERS}/${encodeURIComponent(returnNo)}/relabel-candidates`)
    const relabelCandidate = (Array.isArray(relabelCandidates.data) ? relabelCandidates.data : [])
      .find(row => nonBlank(row?.cartonMark) && row?.status === 'AVAILABLE')
    context.assert(MODULE, '退货换标候选来自本轮已签收可用箱', relabelCandidates.response,
      Boolean(relabelCandidate) && relabelCandidate.sourceReturnNo === returnNo,
      `cartonMark=${relabelCandidate?.cartonMark || 'missing'}`, OPTIONS)
    if (relabelCandidate) {
      const relabelBody = {
        cartonMarks: [relabelCandidate.cartonMark], idempotencyKey: key(context, 'RELABEL'),
        contactName: '退货换标验收', contactPhone: '13800000008', deliveryMethod: 'TRUCK', remark: context.marker,
      }
      const relabel = await overseas(context, merchantToken, 'POST', '客户从退货箱创建换标单',
        `${RETURN_ORDERS}/${encodeURIComponent(returnNo)}/relabel`, relabelBody)
      const relabelNo = id(relabel.data?.relabelNo)
      context.assert(MODULE, '退货换标单绑定原退货单与选中箱', relabel.response,
        nonBlank(relabelNo) && relabel.data?.returnNo === returnNo
          && relabel.data?.status === 'PENDING_PROCESSING'
          && relabel.data?.cartonMarks?.includes?.(relabelCandidate.cartonMark),
        `relabelNo=${relabelNo || 'missing'}`, OPTIONS)
      if (relabelNo) {
        const form = new FormData()
        form.append('file', new Blob([new TextEncoder().encode(`%PDF-1.4\n${context.marker}\n%%EOF`)],
          { type: 'application/pdf' }), `${suffix}-return-relabel.pdf`)
        const uploaded = await context.requestOverseasMultipart('POST',
          `/api/merchant/v1/last-leg/relabel-applications/${encodeURIComponent(relabelNo)}/files?scope=CARTON_TOTAL`,
          form, {}, merchantToken)
        add(context, '客户编辑退货换标总资料', uploaded, success(uploaded))
        const relabelDetail = await overseas(context, merchantToken, 'GET', '客户回查退货换标资料修改',
          `/api/merchant/v1/last-leg/relabel-applications/${encodeURIComponent(relabelNo)}`)
        context.assert(MODULE, '退货换标详情持久化总资料且业务状态未漂移', relabelDetail.response,
          relabelDetail.data?.application?.relabelNo === relabelNo
            && relabelDetail.data?.application?.status === 'PENDING_PROCESSING'
            && nonBlank(relabelDetail.data?.application?.totalFileId), trace(relabelDetail.response), OPTIONS)
        context.createdResources.phase4OverseasReturnReceipt.relabelNo = relabelNo
      }
    }

    const outboundCandidates = await overseas(context, context.overseasToken, 'GET', '平台查询本轮退货出库候选',
      query('/api/platform/v1/last-leg/outbound-orders/return/candidates', {
        customerId, overseasWarehouseId: warehouse.id,
      }))
    const outboundCandidate = (Array.isArray(outboundCandidates.data) ? outboundCandidates.data : [])
      .find(row => row?.returnNo === returnNo && nonBlank(row?.cartonMark)
        && row.cartonMark !== relabelCandidate?.cartonMark && row.status === 'AVAILABLE')
    context.assert(MODULE, '退货出库候选排除已冻结换标箱', outboundCandidates.response,
      Boolean(outboundCandidate), `cartonMark=${outboundCandidate?.cartonMark || 'missing'}`, OPTIONS)
    if (outboundCandidate) {
      const outboundBody = {
        recipient: `${context.marker} RETURN OUTBOUND`, overseasWarehouseId: warehouse.id,
        returnNo, cartonMarks: [outboundCandidate.cartonMark], remark: context.marker,
        idempotencyKey: key(context, 'OUTBOUND'),
      }
      const outbound = await overseas(context, context.overseasToken, 'POST', '平台创建独立退货出库单',
        query('/api/platform/v1/last-leg/outbound-orders/return', { customerId }), outboundBody)
      const taskNo = id(outbound.data?.taskNo)
      const outboundNo = id(outbound.data?.outboundNo)
      context.assert(MODULE, 'RETURN_OUTBOUND创建PDA待拣任务', outbound.response,
        nonBlank(taskNo) && nonBlank(outboundNo) && outbound.data?.status === 'PENDING',
        `outboundNo=${outboundNo || 'missing'}, taskNo=${taskNo || 'missing'}`, OPTIONS)
      if (taskNo) {
        const task = await overseas(context, picker.token, 'GET', 'PDA读取退货出库任务明细',
          `/api/pda/v1/last-leg/outbound-tasks/${encodeURIComponent(taskNo)}`)
        const taskItem = task.data?.items?.find?.(row => String(row?.cartonMarks || '').includes(outboundCandidate.cartonMark))
          || task.data?.items?.[0]
        const pickBody = { outboundPalletItemId: taskItem?.outboundPalletItemId,
          inventoryPositionId: null, packages: 1, cartonMarks: [outboundCandidate.cartonMark],
          idempotencyKey: key(context, 'OUTBOUND-PICK') }
        const picked = await overseas(context, picker.token, 'POST', 'PDA一次扫描退货箱完成拣货',
          `/api/pda/v1/last-leg/outbound-tasks/${encodeURIComponent(taskNo)}/pick`, pickBody)
        context.assert(MODULE, '退货出库拣货推进为PICKED且任务进行中', picked.response,
          picked.data?.outboundNo === outboundNo && picked.data?.status === 'IN_PROGRESS', trace(picked.response), OPTIONS)
        const completed = await overseas(context, picker.token, 'POST', 'PDA完成退货出库',
          `/api/pda/v1/last-leg/outbound-tasks/${encodeURIComponent(taskNo)}/complete`,
          { idempotencyKey: key(context, 'OUTBOUND-COMPLETE') })
        const outboundDetail = await overseas(context, context.overseasToken, 'GET', '平台回查退货出库最终状态',
          query(`/api/platform/v1/last-leg/outbound-orders/${encodeURIComponent(outboundNo)}`, { customerId }))
        context.assert(MODULE, 'RETURN_OUTBOUND真实完成且箱唛只出库一次', outboundDetail.response,
          completed.data?.status === 'COMPLETED'
            && outboundDetail.data?.outbound?.outboundType === 'RETURN_OUTBOUND'
            && outboundDetail.data?.outbound?.status === 'OUTBOUNDED'
            && outboundDetail.data?.pallets?.some?.(row => row.cartonMarks === outboundCandidate.cartonMark
              && Number(row.pickedPackageCount) === 1), trace(outboundDetail.response), OPTIONS)
        context.createdResources.phase4OverseasReturnReceipt.returnOutboundNo = outboundNo
      }
    }
  } finally {
    await disablePicker(context, picker, 92)
  }
}