const MODULE = 'phase3-container-loading'
const OPTIONS = { scenario: 'phase3-container-smart-loading-pda', deploymentBlocker: true }
const CONTAINERS = '/api/platform/v1/containers'
const SMART = '/api/platform/v1/first-leg/smart-loading'
const PDA = '/api/platform/v1/first-leg/pda-loading'
const FIRST_LEG = '/api/platform/v1/first-leg'

function id(value) { return value == null ? '' : String(value) }
function codeOf(response) { return response?.body?.code == null ? 'missing' : String(response.body.code) }
function failure(response) {
  return [400, 401, 403, 404, 409, 503].includes(response?.http)
    || (response?.http === 200 && codeOf(response) !== '200')
}
function records(page) { return Array.isArray(page?.records) ? page.records : [] }

async function request(context, method, path, body, headers = {}) {
  try {
    const response = await fetch(`${context.options.gateway}${path}`, {
      method,
      headers: {
        Accept: 'application/json', Authorization: `Bearer ${context.token}`,
        ...(body === undefined ? {} : { 'Content-Type': 'application/json; charset=utf-8' }), ...headers,
      },
      body: body === undefined ? undefined : JSON.stringify(body), signal: AbortSignal.timeout(60_000),
    })
    const raw = await response.text(); let payload = null
    try { payload = raw ? JSON.parse(raw) : null } catch { /* bounded raw evidence */ }
    return { method, path, http: response.status, body: payload,
      raw: payload === null ? raw.slice(0, 500) : null,
      requestId: payload?.requestId || response.headers.get('x-request-id'),
      traceId: payload?.traceId || response.headers.get('x-trace-id') }
  } catch (error) {
    return { method, path, http: 0, body: null, raw: String(error), requestId: null, traceId: null }
  }
}

function fixture(context) {
  return context.createdResources?.orchestrationFixtures?.phase3Container
    || context.createdResources?.inboundMeasurement
    || context.createdResources?.orders
}

export async function run(context) {
  const source = fixture(context)
  const tenantId = id(source?.tenantId)
  const inboundId = id(source?.inboundId)
  if (!tenantId || !inboundId || source?.marker !== context.marker) {
    context.addStep(MODULE, '取得独立柜次级 INBOUNDED fixture', null, false,
      `fixture marker=${source?.marker || 'missing'}, current marker=${context.marker}`, OPTIONS)
    return
  }

  const inboundResponse = await context.request('GET',
    `/api/platform/inbounds/${inboundId}?tenantId=${encodeURIComponent(tenantId)}`)
  const inbound = context.apiSuccess(MODULE, '读取柜次级独立入库单', inboundResponse,
    `tenantId=${tenantId}, inboundId=${inboundId}`, OPTIONS)
  const warehouseId = id(inbound?.summary?.warehouseId)
  context.assert(MODULE, '柜次候选入库单状态、测量和仓库门禁有效', inboundResponse,
    inbound?.summary?.processStatus === 'INBOUNDED' && inbound?.summary?.measureReviewStatus === 'APPROVED'
      && Boolean(warehouseId),
    `status=${inbound?.summary?.processStatus || 'missing'}, review=${inbound?.summary?.measureReviewStatus || 'missing'}, warehouseId=${warehouseId || 'missing'}`, OPTIONS)
  if (!warehouseId) return

  const candidateResponse = await context.request('GET', `${SMART}/candidates?warehouseId=${encodeURIComponent(warehouseId)}`)
  const candidates = context.apiSuccess(MODULE, '查询智能装柜真实候选货物', candidateResponse, '', OPTIONS)
  const candidate = Array.isArray(candidates)
    ? candidates.find((item) => id(item.inboundId) === inboundId && Number(item.availablePackageCount) > 0)
    : null
  context.assert(MODULE, '候选货物归属本轮入库单且剩余箱数有效', candidateResponse,
    Boolean(candidate?.inboundDetailId) && id(candidate?.warehouseId) === warehouseId
      && id(candidate?.accountId) === tenantId,
    `candidateFound=${Boolean(candidate)}, available=${candidate?.availablePackageCount ?? 'missing'}`, OPTIONS)
  if (!candidate?.inboundDetailId) return

  const suffix = context.marker.replace(/[^A-Za-z0-9]/g, '').slice(-16)
  const containerNo = `P3C-${suffix}`.slice(0, 64)
  const cabinetNo = `P3I-${suffix}`.slice(0, 64)
  const containerPayload = {
    containerNo, cabinetNo, warehouseId, warehouseName: inbound?.summary?.warehouseName || null,
    billOfLadingNo: `BL-${suffix}`, vesselName: `P3-VESSEL-${suffix}`.slice(0, 128), voyageNo: `V-${suffix}`.slice(0, 64),
    containerType: '40HQ', shippingCompanyId: null, shippingCompanyName: `P3-SHIPPING-${suffix}`.slice(0, 128),
    departurePortCode: 'CNSZX', departurePortName: '深圳', destinationPortCode: 'USLAX', destinationPortName: '洛杉矶',
    destinationWarehouseCode: candidate.destinationWarehouseCode || null,
    destinationWarehouseName: candidate.destinationWarehouseName || null,
    capacityCbm: 100, maxWeightKg: 100000, terminalTruckingCompany: `P3-TRUCK-${suffix}`.slice(0, 128),
    loadingAt: '2026-09-02T08:00:00', estimatedSailingAt: '2026-09-03T08:00:00',
    estimatedPortArrivalAt: '2026-09-20T08:00:00', estimatedWarehouseArrivalAt: '2026-09-21T08:00:00',
  }
  const createContainerResponse = await request(context, 'POST', CONTAINERS, containerPayload)
  const container = context.apiSuccess(MODULE, '创建 marker 隔离货柜', createContainerResponse,
    `containerNo=${containerNo}`, OPTIONS)
  const containerId = id(container?.id)
  context.assert(MODULE, '货柜归属仓库、路线、版本和编号正确', createContainerResponse,
    Boolean(containerId) && container?.containerNo === containerNo && container?.cabinetNo === cabinetNo
      && id(container?.warehouseId) === warehouseId && Number(container?.version) === 0,
    `containerId=${containerId || 'missing'}, version=${container?.version ?? 'missing'}`, OPTIONS)
  if (!containerId) return

  const containerDetailResponse = await context.request('GET', `${CONTAINERS}/${containerId}`)
  const containerDetail = context.apiSuccess(MODULE, '回查货柜详情', containerDetailResponse, '', OPTIONS)
  context.assert(MODULE, '货柜详情保留候选货物路线约束', containerDetailResponse,
    containerDetail?.destinationWarehouseCode === (candidate.destinationWarehouseCode || null)
      && containerDetail?.planStatus === 'EDITING',
    `planStatus=${containerDetail?.planStatus || 'missing'}`, OPTIONS)

  const planResponse = await request(context, 'POST', `${SMART}/plans`, { bookingId: containerId, remark: context.marker })
  const plan = context.apiSuccess(MODULE, '创建智能装柜计划', planResponse, '', OPTIONS)
  const planId = id(plan?.id)
  context.assert(MODULE, '装柜计划与货柜关联且处于 EDITING', planResponse,
    Boolean(planId) && id(plan?.bookingId) === containerId && plan?.status === 'EDITING'
      && Number(plan?.version) === 0 && Array.isArray(plan?.items) && plan.items.length === 0,
    `planId=${planId || 'missing'}, status=${plan?.status || 'missing'}`, OPTIONS)
  if (!planId) return

  const planReplayResponse = await request(context, 'POST', `${SMART}/plans`, { bookingId: containerId, remark: 'replay' })
  const planReplay = context.apiSuccess(MODULE, '重放货柜装柜计划创建', planReplayResponse, '', OPTIONS)
  context.assert(MODULE, '同一货柜重放返回同一计划', planReplayResponse,
    id(planReplay?.id) === planId, `first=${planId}, replay=${id(planReplay?.id) || 'missing'}`, OPTIONS)

  const assignPayload = {
    inboundId, inboundDetailId: id(candidate.inboundDetailId), packageCount: 1,
    expectedVersion: Number(plan.version), operationId: `${context.marker}-container-assign`.slice(0, 128),
  }
  const assignResponse = await request(context, 'POST', `${SMART}/plans/${planId}/assignments`, assignPayload)
  const assigned = context.apiSuccess(MODULE, '人工分配本轮候选货物', assignResponse, '', OPTIONS)
  const planItem = assigned?.items?.find?.((item) => id(item.inboundId) === inboundId)
  context.assert(MODULE, '分配明细归属、箱数和计划版本正确', assignResponse,
    Boolean(planItem?.id) && Number(planItem?.packageCount) === 1 && Number(assigned?.version) === 1,
    `itemId=${id(planItem?.id) || 'missing'}, version=${assigned?.version ?? 'missing'}`, OPTIONS)
  if (!planItem?.id) return

  const assignReplayResponse = await request(context, 'POST', `${SMART}/plans/${planId}/assignments`, assignPayload)
  const assignReplay = context.apiSuccess(MODULE, '分配 operationId 幂等重放', assignReplayResponse, '', OPTIONS)
  context.assert(MODULE, '重放不重复增加装柜箱数', assignReplayResponse,
    assignReplay?.items?.length === 1 && Number(assignReplay.items[0]?.packageCount) === 1
      && Number(assignReplay?.version) === Number(assigned?.version),
    `items=${assignReplay?.items?.length ?? 'n/a'}, version=${assignReplay?.version ?? 'missing'}`, OPTIONS)

  const staleAssignResponse = await request(context, 'POST', `${SMART}/plans/${planId}/assignments`, {
    ...assignPayload, expectedVersion: 0, operationId: `${context.marker}-container-stale`.slice(0, 128),
  })
  context.addStep(MODULE, '旧计划版本分配返回冲突', staleAssignResponse,
    staleAssignResponse.http === 200 && ['A0409', '409'].includes(codeOf(staleAssignResponse)),
    `HTTP=${staleAssignResponse.http}, code=${codeOf(staleAssignResponse)}`, OPTIONS)

  const pushKey = `${context.marker}-container-push`.slice(0, 128)
  const pushResponse = await request(context, 'POST', `${SMART}/plans/${planId}/push-preload`,
    { expectedVersion: Number(assigned.version) }, { 'Idempotency-Key': pushKey })
  const pushed = context.apiSuccess(MODULE, '推送预装并创建 PDA 任务', pushResponse, '', OPTIONS)
  context.assert(MODULE, '推送后计划进入 LOADING 且版本递增', pushResponse,
    pushed?.status === 'LOADING' && Number(pushed?.version) === Number(assigned.version) + 1,
    `status=${pushed?.status || 'missing'}, version=${pushed?.version ?? 'missing'}`, OPTIONS)
  if (pushed?.status !== 'LOADING') return

  const pushReplayResponse = await request(context, 'POST', `${SMART}/plans/${planId}/push-preload`,
    { expectedVersion: Number(assigned.version) }, { 'Idempotency-Key': pushKey })
  const pushReplay = context.apiSuccess(MODULE, '推送预装 Idempotency-Key 重放', pushReplayResponse, '', OPTIONS)
  context.assert(MODULE, '推送重放保持同一 LOADING 计划', pushReplayResponse,
    id(pushReplay?.id) === planId && pushReplay?.status === 'LOADING'
      && Number(pushReplay?.version) === Number(pushed.version),
    `planId=${id(pushReplay?.id) || 'missing'}, version=${pushReplay?.version ?? 'missing'}`, OPTIONS)

  const preloadPageResponse = await context.request('GET',
    `${FIRST_LEG}/loading-plans?warehouseId=${encodeURIComponent(warehouseId)}&keyword=${encodeURIComponent(containerNo)}&page=1&size=20`)
  const preloadPage = context.apiSuccess(MODULE, '查询本轮预装清单', preloadPageResponse, '', OPTIONS)
  context.assert(MODULE, '预装清单包含本轮 LOADING 计划', preloadPageResponse,
    records(preloadPage).some((item) => id(item.planId) === planId && item.status === 'LOADING'),
    `records=${records(preloadPage).length}`, OPTIONS)

  const taskResponse = await context.request('GET',
    `${PDA}/tasks?containerNo=${encodeURIComponent(containerNo)}&warehouseId=${encodeURIComponent(warehouseId)}`)
  const task = context.apiSuccess(MODULE, '查询本轮柜次 PDA 拣货任务', taskResponse, '', OPTIONS)
  const taskId = id(task?.id)
  const pickItem = task?.items?.find?.((item) => id(item.loadingPlanItemId) === id(planItem.id))
  context.assert(MODULE, 'PDA 任务、计划明细和待拣箱数关联正确', taskResponse,
    Boolean(taskId) && id(task?.loadingPlanId) === planId && task?.taskStatus === 'LOADING'
      && task?.workflowStatus === 'UNASSIGNED'
      && Boolean(pickItem?.id) && Number(pickItem?.plannedPackageCount) === 1,
    `taskId=${taskId || 'missing'}, itemId=${id(pickItem?.id) || 'missing'}`, OPTIONS)
  if (!taskId || !pickItem?.id) return

  const wrongWarehouseResponse = await context.request('GET',
    `${PDA}/tasks?containerNo=${encodeURIComponent(containerNo)}&warehouseId=1`)
  context.addStep(MODULE, 'PDA 任务仓库隔离拒绝', wrongWarehouseResponse,
    failure(wrongWarehouseResponse), `HTTP=${wrongWarehouseResponse.http}, code=${codeOf(wrongWarehouseResponse)}`, OPTIONS)

  const claimResponse = await request(context, 'POST', `${PDA}/tasks/${taskId}/claim`, {
    expectedAssignmentVersion: 0, operationId: `${context.marker}-pda-claim`.slice(0, 128),
  })
  const claimed = context.apiSuccess(MODULE, '领取本轮柜次 PDA 任务', claimResponse, '', OPTIONS)
  context.assert(MODULE, 'PDA 任务只分配给当前登录作业员', claimResponse,
    claimed?.workflowStatus === 'IN_PROGRESS' && id(claimed?.assignment?.assigneeId)
      && Number(claimed?.assignment?.version) === 0,
    `workflow=${claimed?.workflowStatus || 'missing'}, assigneeId=${id(claimed?.assignment?.assigneeId) || 'missing'}`, OPTIONS)

  const batchPath = `${PDA}/tasks/${taskId}/batch`
  const batchItems = [{ itemId: id(pickItem.id), action: 'PICK', pickedPackageCount: 1,
    finalPickedPackageCount: null, releaseMode: 'MANUAL', locationIds: [],
    version: Number(pickItem.version), reason: null }]
  const staleBatchResponse = await request(context, 'POST', batchPath, {
    warehouseId, containerNo, expectedVersion: Number(task.version) + 1, items: batchItems,
  }, { 'Idempotency-Key': `${context.marker}-pda-batch-stale`.slice(0, 128) })
  context.addStep(MODULE, 'PDA batch 旧任务版本返回 A0409', staleBatchResponse,
    staleBatchResponse.http === 200 && ['A0409', '409'].includes(codeOf(staleBatchResponse)),
    `HTTP=${staleBatchResponse.http}, code=${codeOf(staleBatchResponse)}`, OPTIONS)

  const afterFailedBatchResponse = await context.request('GET',
    `${PDA}/tasks?containerNo=${encodeURIComponent(containerNo)}&warehouseId=${encodeURIComponent(warehouseId)}`)
  const afterFailedBatch = context.apiSuccess(MODULE, '回查失败 batch 后任务快照', afterFailedBatchResponse, '', OPTIONS)
  const afterFailedItem = afterFailedBatch?.items?.find?.((item) => id(item.id) === id(pickItem.id))
  context.assert(MODULE, 'PDA batch 失败后整批未写入', afterFailedBatchResponse,
    Number(afterFailedBatch?.version) === Number(task.version)
      && Number(afterFailedItem?.version) === Number(pickItem.version)
      && Number(afterFailedItem?.pickedPackageCount) === Number(pickItem.pickedPackageCount || 0)
      && afterFailedItem?.itemStatus === pickItem.itemStatus,
    `taskVersion=${afterFailedBatch?.version ?? 'missing'}, itemVersion=${afterFailedItem?.version ?? 'missing'}, picked=${afterFailedItem?.pickedPackageCount ?? 'missing'}`, OPTIONS)

  const batchPayload = { warehouseId, containerNo, expectedVersion: Number(task.version), items: batchItems }
  const batchHeaders = { 'Idempotency-Key': `${context.marker}-pda-batch`.slice(0, 128) }
  const pickResponse = await request(context, 'POST', batchPath, batchPayload, batchHeaders)
  const picked = context.apiSuccess(MODULE, '单次调用 PDA 原子 batch 完成拣货', pickResponse, '', OPTIONS)
  const directPdaCompletion = picked?.taskStatus === 'COMPLETED'
    && picked?.workflowStatus === 'COMPLETED'
  context.assert(MODULE, '最后一箱拣货后 PDA 任务按已部署契约直接完成', pickResponse,
    directPdaCompletion
      && picked?.items?.every?.((item) => Number(item.pickedPackageCount) === Number(item.plannedPackageCount)),
    `taskStatus=${picked?.taskStatus || 'missing'}, workflow=${picked?.workflowStatus || 'missing'}`, OPTIONS)

  const pickReplayResponse = await request(context, 'POST', batchPath, batchPayload, batchHeaders)
  const pickReplay = context.apiSuccess(MODULE, 'PDA batch Idempotency-Key 幂等重放', pickReplayResponse, '', OPTIONS)
  context.assert(MODULE, 'PDA batch 重放保持完成任务和拣货数', pickReplayResponse,
    pickReplay?.taskStatus === 'COMPLETED' && pickReplay?.workflowStatus === 'COMPLETED'
      && pickReplay?.items?.every?.((item) => Number(item.pickedPackageCount) === Number(item.plannedPackageCount)),
    `taskStatus=${pickReplay?.taskStatus || 'missing'}`, OPTIONS)

  const reviewResponse = await request(context, 'POST', `${PDA}/tasks/${taskId}/review`, {
    expectedTaskVersion: Number(picked?.version), operationId: `${context.marker}-pda-review`.slice(0, 128),
    remark: context.marker,
  })
  context.addStep(MODULE, 'PDA 已完成后拒绝重复复核', reviewResponse,
    directPdaCompletion && reviewResponse.http === 200 && codeOf(reviewResponse) === 'A0409',
    `HTTP=${reviewResponse.http}, code=${codeOf(reviewResponse)}`, OPTIONS)

  const finalPlanResponse = await context.request('GET', `${SMART}/plans/${planId}`)
  const finalPlan = context.apiSuccess(MODULE, '回查柜次装柜计划终态', finalPlanResponse, '', OPTIONS)
  context.assert(MODULE, '装柜计划进入 COMPLETED 且明细已冻结', finalPlanResponse,
    finalPlan?.status === 'COMPLETED' && finalPlan?.items?.length === 1 && Boolean(finalPlan.items[0]?.frozenAt),
    `status=${finalPlan?.status || 'missing'}, frozen=${Boolean(finalPlan?.items?.[0]?.frozenAt)}`, OPTIONS)

  const confirmedPageResponse = await context.request('GET',
    `${FIRST_LEG}/loading-lists?warehouseId=${encodeURIComponent(warehouseId)}&keyword=${encodeURIComponent(containerNo)}&page=1&size=20`)
  const confirmedPage = context.apiSuccess(MODULE, '查询完成装柜清单', confirmedPageResponse, '', OPTIONS)
  context.assert(MODULE, '完成清单分页包含本轮计划', confirmedPageResponse,
    records(confirmedPage).some((item) => id(item.planId) === planId && item.status === 'COMPLETED'),
    `records=${records(confirmedPage).length}`, OPTIONS)

  const confirmedDetailResponse = await context.request('GET',
    `${FIRST_LEG}/loading-lists/${planId}?warehouseId=${encodeURIComponent(warehouseId)}`)
  const confirmedDetail = context.apiSuccess(MODULE, '查询完成装柜清单详情', confirmedDetailResponse, '', OPTIONS)
  context.assert(MODULE, '装柜清单明细、客户归属、冻结和 PDA 历史完整', confirmedDetailResponse,
    id(confirmedDetail?.summary?.planId) === planId && confirmedDetail?.summary?.status === 'COMPLETED'
      && confirmedDetail?.items?.some?.((item) => id(item.inboundId) === inboundId
        && id(item.accountId) === tenantId && Boolean(item.frozenAt))
      && confirmedDetail?.histories?.some?.((item) => item.actionType === 'PDA_COMPLETE_LOADING'
        && Boolean(item.operatorName) && Boolean(item.occurredAt)),
    `items=${confirmedDetail?.items?.length ?? 'n/a'}, histories=${confirmedDetail?.histories?.length ?? 'n/a'}`, OPTIONS)

  const immutableResponse = await request(context, 'PATCH',
    `${FIRST_LEG}/loading-plans/${planId}/transport?warehouseId=${encodeURIComponent(warehouseId)}`,
    { containerNo: `MUTATE-${suffix}`.slice(0, 64), voyageNo: 'MUTATE', expectedVersion: Number(finalPlan?.version), operationReason: context.marker },
    { 'Idempotency-Key': `${context.marker}-completed-mutate`.slice(0, 128) })
  context.addStep(MODULE, '完成装柜后运输信息不可变', immutableResponse,
    immutableResponse.http === 200 && ['A0409', '409'].includes(codeOf(immutableResponse)),
    `HTTP=${immutableResponse.http}, code=${codeOf(immutableResponse)}`, OPTIONS)

  context.createdResources.phase3ContainerLoading = {
    marker: context.marker, tenantId, inboundId, warehouseId, containerBookingId: containerId,
    loadingPlanId: planId, pdaTaskId: taskId,
    finalStatus: 'COMPLETED',
  }
}