const MODULE = 'phase3-pda-convergence'
const OPTIONS = { scenario: 'pda-picking-convergence', deploymentBlocker: true }
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') }
async function request(context, method, path, body, headers = {}) {
  try {
    const response = await fetch(`${context.options.gateway}${path}`, { method,
      headers: { Accept: 'application/json', Authorization: `Bearer ${context.token}`,
        ...(body === undefined ? {} : { 'Content-Type': 'application/json; charset=utf-8' }), ...headers },
      body: body === undefined ? undefined : JSON.stringify(body), signal: AbortSignal.timeout(60_000) })
    const raw = await response.text(); let payload = null
    try { payload = raw ? JSON.parse(raw) : null } catch { /* bounded raw evidence */ }
    return { method, path, http: response.status, body: payload, raw: payload === null ? raw.slice(0, 500) : null,
      requestId: payload?.requestId || response.headers.get('x-request-id'), traceId: payload?.traceId || response.headers.get('x-trace-id') }
  } catch (error) { return { method, path, http: 0, body: null, raw: String(error), requestId: null, traceId: null } }
}
export async function run(context) {
  const fixture = context.createdResources?.phase3Loading
  const tenantId = id(fixture?.tenantId); const inboundId = id(fixture?.inboundId)
  const taskId = id(fixture?.canonicalPdaTaskId); const containerNo = fixture?.containerNo
  const warehouseId = id(fixture?.warehouseId); const loadingPlanId = id(fixture?.loadingPlanId)
  if (!tenantId || !inboundId || !taskId || !containerNo || !warehouseId || !loadingPlanId
      || fixture?.marker !== context.marker) {
    context.addCoverageGap(MODULE, OPTIONS.scenario, 'PDA 柜次拣货与入库单汇总拣货收敛',
      '本轮未取得 marker 隔离的柜次 PDA 与入库汇总 fixture，未使用历史资源', 'fixture')
    return
  }
  const loadingListResponse = await request(context, 'GET',
    `/api/platform/v1/first-leg/loading-lists/${loadingPlanId}?warehouseId=${encodeURIComponent(warehouseId)}`)
  const loadingList = context.apiSuccess(MODULE, '回查柜次 PDA 完成后的装柜清单', loadingListResponse, '', OPTIONS)
  context.assert(MODULE, '装柜清单保留 PDA 完成终态和操作者审计', loadingListResponse,
    id(loadingList?.summary?.planId) === loadingPlanId && loadingList?.summary?.status === 'COMPLETED'
      && loadingList?.histories?.some?.((item) => item.actionType === 'PDA_COMPLETE_LOADING'
        && Boolean(item.operatorName) && Boolean(item.occurredAt)),
    `planId=${id(loadingList?.summary?.planId) || 'missing'}, status=${loadingList?.summary?.status || 'missing'}`, OPTIONS)
  const projectionResponse = await request(context, 'GET',
    `/api/platform/v1/inbounds/${inboundId}/loading/picking?tenantId=${encodeURIComponent(tenantId)}`)
  const projection = context.apiSuccess(MODULE, '查询入库级 PDA 服务端聚合投影', projectionResponse, '', OPTIONS)
  context.assert(MODULE, '入库投影与柜次事实数量和终态一致', projectionResponse,
    projection?.status === 'COMPLETED' && Number(projection?.expectedCount) > 0
      && Number(projection?.expectedCount) === Number(projection?.pickedCount),
    `status=${projection?.status || 'missing'}, expected=${projection?.expectedCount ?? 'missing'}, picked=${projection?.pickedCount ?? 'missing'}`, OPTIONS)
  const operationsResponse = await request(context, 'GET',
    `/api/platform/v1/first-leg/pda-loading/tasks/${taskId}/operations`)
  const operations = context.apiSuccess(MODULE, '查询柜次 PDA 不可变操作历史', operationsResponse, '', OPTIONS)
  context.assert(MODULE, '直接完成契约保留领取操作且不伪造复核历史', operationsResponse,
    Array.isArray(operations) && operations.some((item) => item.actionType === 'CLAIM'
      && Boolean(item.operatorId) && Boolean(item.createdAt))
      && !operations.some((item) => item.actionType === 'REVIEW'),
    `actions=${Array.isArray(operations) ? operations.map((item) => item.actionType).join(',') : 'missing'}`, OPTIONS)

  context.assert(MODULE, 'PDA 原子批次完成审计包含 BATCH 操作', operationsResponse,
    Array.isArray(operations) && operations.some((item) => item.actionType === 'BATCH'
      && Boolean(item.operatorId) && Boolean(item.createdAt)),
    `actions=${Array.isArray(operations) ? operations.map((item) => item.actionType).join(',') : 'missing'}`, OPTIONS)
  const forged = await request(context, 'POST',
    `/api/platform/v1/inbounds/${inboundId}/loading/picking/start?tenantId=${encodeURIComponent(tenantId)}`,
    { expectedVersion: Number(projection?.version), expectedCount: 999, pickedCount: 999, remark: 'forged' },
    { 'Idempotency-Key': `${context.marker}-pda-forged-projection`.slice(0, 128) })
  context.addStep(MODULE, '入库兼容入口拒绝客户端伪造汇总数量', forged, failure(forged),
    `HTTP=${forged.http}, code=${codeOf(forged)}`, OPTIONS)

  if (fixture?.atomicBatchVerified !== true) {
    context.addCoverageGap(MODULE, OPTIONS.scenario, 'PDA 原子批量成功与批次幂等闭环',
      '原子 batch 端点已部署，但本轮合法整批提交或同键重放未通过真实 HTTP 断言；保留真实失败证据',
      'deployment-blocker')
  }
  if (fixture?.inventorySnapshotVerified !== true) {
    context.addCoverageGap(MODULE, OPTIONS.scenario, 'PDA 实时库存快照身份、稳定性与合法 token 提交',
      'inventory-snapshot 端点已公开，但本轮未完成归属、稳定 token/version、数量及合法 batch 的联合真实 HTTP 验证',
      'deployment-blocker')
  }
  if (fixture?.inventoryMutationVerified !== true
      && !context.coverageGaps.some((gap) => gap.name === 'PDA 真实库存变化后的旧快照冲突与刷新重试')) {
    context.addCoverageGap(MODULE, OPTIONS.scenario, 'PDA 真实库存变化后的旧快照冲突与刷新重试',
      'inventory-snapshot 已公开；本轮没有可通过平台代理安全变更的 A0 临时占用，不能用普通库位改写或内部 Warehouse 接口伪造库存变化',
      'fixture')
  }
  context.addCoverageGap(MODULE, OPTIONS.scenario, 'PDA Android/HBuilderX 真机完整闭环',
    '原子 batch 真实 HTTP 契约已自动化；扫码、弱网恢复、在线草稿和设备交互仍需 Android/HBuilderX 真机验收',
    'device')
}