const MODULE = 'phase3-loading-finalize'
const OPTIONS = { scenario: 'phase3-loading-hard-gate-finalize', deploymentBlocker: true }

function id(value) { return value == null ? '' : String(value) }

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)
  if (!tenantId || !inboundId || fixture?.marker !== context.marker
      || fixture?.loadingPlanStatus !== 'COMPLETED') {
    context.addStep(MODULE, '取得下游门禁待完成装柜 fixture', null, false,
      `tenantId=${tenantId || 'missing'}, inboundId=${inboundId || 'missing'}, marker=${fixture?.marker || 'missing'}, plan=${fixture?.loadingPlanStatus || 'missing'}`, OPTIONS)
    return
  }
  const detailPath = `/api/platform/inbounds/${inboundId}?tenantId=${encodeURIComponent(tenantId)}`
  const beforeResponse = await context.request('GET', detailPath)
  const before = context.apiSuccess(MODULE, '读取下游门禁齐备后的装柜状态', beforeResponse, '', OPTIONS)
  const version = Number(before?.summary?.version)
  context.assert(MODULE, '最终装柜前保持 LOADING 且版本有效', beforeResponse,
    before?.summary?.processStatus === 'LOADING' && Number.isInteger(version),
    `status=${before?.summary?.processStatus || 'missing'}, version=${before?.summary?.version ?? 'missing'}`, OPTIONS)
  if (!Number.isInteger(version)) return

  const base = `/api/platform/v1/inbounds/${inboundId}`
  const completeResponse = await request(context, 'POST',
    `${base}/loading/complete?tenantId=${encodeURIComponent(tenantId)}`,
    { expectedVersion: version, remark: context.marker },
    { 'Idempotency-Key': `${context.marker}-p3-complete-after-downstream`.slice(0, 128) })
  const completed = context.apiSuccess(MODULE, '订舱拖车报关齐备后完成装柜', completeResponse, '', OPTIONS)
  const evidences = completed?.evidences?.evidences || []
  context.assert(MODULE, '统一硬门禁通过后推进 LOADED 且五类有效证据仍完整', completeResponse,
    completed?.mainStatus === 'LOADED' && fixture.evidenceTypes?.every?.((type) =>
      evidences.some((item) => item.evidenceType === type && item.status !== 'VOID')),
    `mainStatus=${completed?.mainStatus || 'missing'}, evidences=${evidences.length}`, OPTIONS)

  const replayResponse = await request(context, 'POST',
    `${base}/loading/complete?tenantId=${encodeURIComponent(tenantId)}`,
    { expectedVersion: version, remark: context.marker },
    { 'Idempotency-Key': `${context.marker}-p3-complete-after-downstream`.slice(0, 128) })
  context.assert(MODULE, 'LOADED 完成请求 Idempotency-Key 重放保持终态', replayResponse,
    replayResponse.http === 200 && String(replayResponse.body?.code) === '200'
      && replayResponse.body?.data?.mainStatus === 'LOADED',
    `HTTP=${replayResponse.http}, code=${replayResponse.body?.code ?? 'missing'}, status=${replayResponse.body?.data?.mainStatus || 'missing'}`, OPTIONS)

  const finalResponse = await context.request('GET', detailPath)
  const finalData = context.apiSuccess(MODULE, '回查三期装柜完成终态', finalResponse, '', OPTIONS)
  context.assert(MODULE, '入库单终态 LOADED、版本递增且审计历史存在', finalResponse,
    finalData?.summary?.processStatus === 'LOADED' && Number(finalData?.summary?.version) === version + 1
      && finalData?.statusHistory?.some?.((item) => item.action === 'COMPLETE_LOADING'
        && item.operatorName && item.fromStatus === 'LOADING' && item.toStatus === 'LOADED'),
    `status=${finalData?.summary?.processStatus || 'missing'}, version=${finalData?.summary?.version ?? 'missing'}, histories=${finalData?.statusHistory?.length ?? 'n/a'}`, OPTIONS)

  context.createdResources.phase3Loading = {
    ...fixture, inboundVersion: Number(finalData?.summary?.version), inboundStatus: 'LOADED', finalStatus: 'LOADED',
  }
}