import {
  CONTAINER_CUSTOMS_FIXTURE_KINDS,
  CONTAINER_CUSTOMS_MODULE,
  EXACT_50_MB,
  validateContainerCustomsFixtures,
  validateRouteContract,
  xlsxMagic,
  zeroDrift,
} from './container-customs-acceptance-matrix.mjs'

const MODULE = CONTAINER_CUSTOMS_MODULE
const OPTIONS = { scenario: MODULE, deploymentBlocker: true }
const id = (value) => value == null ? '' : String(value)
const code = (response) => String(response?.body?.code ?? '')
const success = (response) => response?.http === 200 && code(response) === '200'
const a0409 = (response) => response?.http === 200 && code(response) === 'A0409'
const evidence = (response, extra = '') => `${extra}${extra ? '; ' : ''}HTTP=${response?.http ?? 'missing'}, code=${code(response) || 'missing'}, requestId=${response?.requestId || 'missing'}, traceId=${response?.traceId || 'missing'}`
const key = (context, value) => `${context.marker}-container-customs-${value}`.slice(0, 128)

function blocker(context, name, reason) {
  context.addCoverageGap(MODULE, MODULE, name, reason, 'contract-or-fixture', { deploymentBlocker: true })
  context.addStep(MODULE, name, null, false, reason, OPTIONS)
  throw new Error(`blocking coverage gap: ${name}: ${reason}`)
}

function resolvePreparation(context) {
  const fixtures = context.createdResources?.phase3ContainerCustomsFixtures
  const routes = context.context?.phase3ContainerCustomsRoutes
  if (!validateContainerCustomsFixtures(fixtures, context.marker)) {
    blocker(context, '三类LOADED整柜fixture', '缺少本轮全买单、纯退税、混合三柜正式链路数据')
  }
  if (!validateRouteContract(routes)) {
    blocker(context, '整柜报关最终HTTP契约', '后端Controller/OpenAPI与Admin/Client最终路径尚未对齐，禁止猜测URL发请求')
  }
  return { fixtures, routes }
}

async function platformDetail(context, routes, fixture) {
  return routes.platformDetail(context, { loadingPlanId: id(fixture.loadingPlanId) })
}

async function assertZeroDrift(context, name, routes, fixture, before, response, acceptedCodes = ['A0409']) {
  const after = await platformDetail(context, routes, fixture)
  context.assert(MODULE, name, response,
    response?.http === 200 && acceptedCodes.includes(code(response))
      && success(after) && zeroDrift(before.body?.data, after.body?.data),
    evidence(response, `afterRequestId=${after.requestId || 'missing'}, afterTraceId=${after.traceId || 'missing'}`), OPTIONS)
}

async function runAllBuy(context, routes, fixture) {
  const detail = await platformDetail(context, routes, fixture)
  context.assert(MODULE, '全买单柜LOADED详情', detail, success(detail)
    && detail.body?.data?.inbounds?.every?.((item) => item.taxMode === 'BUY_DECLARATION'), evidence(detail), OPTIONS)

  const xlsx = await routes.buyDeclarationXlsx(context, { loadingPlanId: id(fixture.loadingPlanId) })
  context.assert(MODULE, '买单XLSX下载窗口返回真实工作簿', xlsx,
    xlsx.http === 200 && xlsxMagic(xlsx.bytes),
    `HTTP=${xlsx.http}, bytes=${xlsx.bytes?.length ?? 0}, contentType=${xlsx.contentType || 'missing'}`, OPTIONS)

  const startBody = { expectedVersion: Number(detail.body?.data?.version), remark: context.marker }
  const started = await routes.platformStart(context, fixture, startBody, key(context, 'all-buy-start'))
  context.assert(MODULE, '全买单柜开始报关', started,
    success(started) && started.body?.data?.status === 'DECLARING', evidence(started), OPTIONS)

  const completeBody = { expectedVersion: Number(started.body?.data?.version), remark: context.marker }
  const completed = await routes.platformComplete(context, fixture, completeBody, key(context, 'all-buy-complete'))
  context.assert(MODULE, '全买单柜完成并触发自动离仓意图', completed,
    success(completed) && completed.body?.data?.status === 'COMPLETED', evidence(completed), OPTIONS)
  const replay = await routes.platformComplete(context, fixture, completeBody, key(context, 'all-buy-complete'))
  context.assert(MODULE, '全买单柜完成同键重放', replay,
    success(replay) && id(replay.body?.data?.aggregateId) === id(completed.body?.data?.aggregateId), evidence(replay), OPTIONS)

  let outbound = await routes.outboundState(context, fixture)
  if (fixture.autoDispatchMode === 'WAIT_CONDITION') {
    context.assert(MODULE, '自动离仓失败不回滚报关完成', outbound,
      success(outbound) && outbound.body?.data?.customsStatus === 'COMPLETED'
        && outbound.body?.data?.departed !== true && Boolean(outbound.body?.data?.retryable),
      evidence(outbound), OPTIONS)
    await routes.satisfyOutboundPrerequisites(context, fixture)
    for (let attempt = 0; attempt < 12 && outbound.body?.data?.departed !== true; attempt += 1) {
      if (attempt > 0) await new Promise((resolve) => setTimeout(resolve, 1_000))
      outbound = await routes.outboundState(context, fixture)
    }
  }
  context.assert(MODULE, '自动或待条件重试后整柜单次离仓', outbound,
    success(outbound) && outbound.body?.data?.departed === true
      && Number(outbound.body?.data?.departureHistoryCount) === 1,
    evidence(outbound), OPTIONS)
}

async function uploadBoundary(context, routes, fixture, customer, size, suffix) {
  const content = new Uint8Array(size)
  content[0] = 0x43; content[content.length - 1] = 0x58
  return routes.merchantUploadDocument(context, fixture, customer, {
    fileName: `${context.marker}-${suffix}.customblob`, contentType: 'application/octet-stream', content,
    inboundIds: customer.inboundIds.map(id), expectedVersion: customer.expectedVersion,
  }, key(context, suffix))
}

async function runRefund(context, routes, fixture) {
  const customers = fixture.customers || []
  if (customers.length < 2) blocker(context, '纯退税多客户fixture', '至少需要两个客户和可交叉验证的多对多入仓范围')
  const first = customers[0]
  const exact = await uploadBoundary(context, routes, fixture, first, EXACT_50_MB, 'exact-50m')
  context.assert(MODULE, '任意格式50MiB边界成功', exact, success(exact), evidence(exact), OPTIONS)
  const tooLargeBefore = await platformDetail(context, routes, fixture)
  const tooLarge = await uploadBoundary(context, routes, fixture, first, EXACT_50_MB + 1, 'over-50m')
  await assertZeroDrift(context, '50MiB+1拒绝且零漂移', routes, fixture, tooLargeBefore, tooLarge,
    ['A0400', 'A0409', 'A0422'])

  const crossCustomer = await routes.merchantDetail(context, fixture, customers[1], first.customerToken)
  context.assert(MODULE, '客户隔离阻止查看其他客户资料', crossCustomer,
    !success(crossCustomer), evidence(crossCustomer), OPTIONS)
  const hiddenBuy = await routes.buyDeclarationXlsx(context, { loadingPlanId: id(fixture.loadingPlanId), token: first.customerToken })
  context.assert(MODULE, '客户侧隐藏买单XLSX', hiddenBuy, hiddenBuy.http !== 200 || !xlsxMagic(hiddenBuy.bytes),
    `HTTP=${hiddenBuy.http}, bytes=${hiddenBuy.bytes?.length ?? 0}`, OPTIONS)

  for (const customer of customers) {
    const document = await routes.merchantUploadDocument(context, fixture, customer, customer.document,
      key(context, `upload-${customer.customerId}`))
    context.assert(MODULE, `客户${customer.customerId}上传多对多资料`, document, success(document), evidence(document), OPTIONS)
    customer.documentId = id(document.body?.data?.documentId)
    customer.documentVersion = Number(document.body?.data?.source?.version)
  }

  const mutable = customers[0]
  const replaced = await routes.merchantReplaceDocument(context, fixture, mutable, {
    ...mutable.replacement, documentId: mutable.documentId, expectedVersion: mutable.documentVersion,
  }, key(context, 'replace'))
  context.assert(MODULE, '客户覆盖资料生成新版本', replaced, success(replaced), evidence(replaced), OPTIONS)
  const scoped = await routes.merchantUpdateScope(context, fixture, mutable, {
    documentId: mutable.documentId, inboundIds: mutable.updatedInboundIds.map(id),
    expectedVersion: Number(replaced.body?.data?.source?.version),
  }, key(context, 'scope'))
  context.assert(MODULE, '客户修改多对多关联', scoped, success(scoped), evidence(scoped), OPTIONS)
  const deleted = await routes.merchantDeleteDocument(context, fixture, mutable, {
    documentId: mutable.documentId, expectedVersion: Number(scoped.body?.data?.source?.version),
  }, key(context, 'delete'))
  context.assert(MODULE, '客户删除未冻结资料', deleted, success(deleted), evidence(deleted), OPTIONS)

  const beforeMissingStart = await platformDetail(context, routes, fixture)
  const missingStart = await routes.platformStart(context, fixture, {
    expectedVersion: Number(beforeMissingStart.body?.data?.version), remark: 'missing-document-negative',
  }, key(context, 'missing-start'))
  await assertZeroDrift(context, '缺退税资料禁止开始且零漂移', routes, fixture, beforeMissingStart, missingStart)

  const restored = await routes.merchantUploadDocument(context, fixture, mutable, mutable.document,
    key(context, `restore-${mutable.customerId}`))
  context.assert(MODULE, '删除后重新上传恢复完整退税覆盖', restored, success(restored), evidence(restored), OPTIONS)
  mutable.documentId = id(restored.body?.data?.documentId)
  mutable.documentVersion = Number(restored.body?.data?.source?.version)

  const ready = await platformDetail(context, routes, fixture)
  const started = await routes.platformStart(context, fixture, {
    expectedVersion: Number(ready.body?.data?.version), remark: context.marker,
  }, key(context, 'refund-start'))
  context.assert(MODULE, '纯退税柜资料齐全后开始并冻结', started,
    success(started) && started.body?.data?.status === 'DECLARING'
      && started.body?.data?.documents?.every?.((item) => item.frozen === true),
    evidence(started), OPTIONS)

  const frozenSnapshot = started.body?.data
  const lockedOperations = [
    ['上传', () => routes.merchantUploadDocument(context, fixture, mutable, {
      ...mutable.document, fileName: `${context.marker}-locked.customblob`, content: Uint8Array.from([1]),
    }, key(context, 'locked-upload'))],
    ['覆盖', () => routes.merchantReplaceDocument(context, fixture, mutable, {
      ...mutable.replacement, documentId: mutable.documentId, expectedVersion: mutable.documentVersion,
    }, key(context, 'locked-replace'))],
    ['改关联', () => routes.merchantUpdateScope(context, fixture, mutable, {
      documentId: mutable.documentId, inboundIds: mutable.inboundIds.map(id), expectedVersion: mutable.documentVersion,
    }, key(context, 'locked-scope'))],
    ['删除', () => routes.merchantDeleteDocument(context, fixture, mutable, {
      documentId: mutable.documentId, expectedVersion: mutable.documentVersion,
    }, key(context, 'locked-delete'))],
  ]
  for (const [label, request] of lockedOperations) {
    const response = await request()
    await assertZeroDrift(context, `开始后${label}锁定A0409零漂移`, routes, fixture,
      { body: { data: frozenSnapshot } }, response)
  }

  const documents = frozenSnapshot?.documents || []
  for (const [index, document] of documents.entries()) {
    const completion = await routes.platformUploadCompletion(context, fixture, {
      documentId: id(document.documentId), expectedVersion: Number(document.source?.version),
      fileName: `${context.marker}-completion-${index + 1}.done`,
      contentType: 'application/x-customs-completion', content: Uint8Array.from([0x43, index + 1]),
    }, key(context, `completion-${index + 1}`))
    context.assert(MODULE, `逐份上传完成文件${index + 1}`, completion,
      success(completion)
        && zeroDrift(completion.body?.data?.inboundIds, document.inboundIds),
      evidence(completion, `sourceDocumentId=${id(document.documentId)}`), OPTIONS)
    if (index + 1 < documents.length) {
      const beforeEarlyComplete = await platformDetail(context, routes, fixture)
      const early = await routes.platformComplete(context, fixture, {
        expectedVersion: Number(beforeEarlyComplete.body?.data?.version), remark: 'not-last-completion',
      }, key(context, `early-complete-${index + 1}`))
      await assertZeroDrift(context, '最后一份完成文件前禁止整柜完成', routes, fixture, beforeEarlyComplete, early)
    }
  }
  const completedReady = await platformDetail(context, routes, fixture)
  const completed = await routes.platformComplete(context, fixture, {
    expectedVersion: Number(completedReady.body?.data?.version), remark: context.marker,
  }, key(context, 'refund-complete'))
  context.assert(MODULE, '最后一份完成文件后纯退税柜完成', completed,
    success(completed) && completed.body?.data?.status === 'COMPLETED', evidence(completed), OPTIONS)

  const firstDocument = documents[0]
  if (firstDocument) {
    const platformDownload = await routes.platformDownload(context, fixture, {
      documentId: id(firstDocument.documentId), completion: true,
    })
    context.assert(MODULE, 'Admin下载完成文件窗口', platformDownload,
      platformDownload.http === 200 && platformDownload.bytes?.length > 0,
      `HTTP=${platformDownload.http}, bytes=${platformDownload.bytes?.length ?? 0}`, OPTIONS)
    const merchantDownload = await routes.merchantDownload(context, fixture, mutable, {
      documentId: id(firstDocument.documentId), completion: true,
    })
    context.assert(MODULE, 'Client仅下载本客户完成文件窗口', merchantDownload,
      merchantDownload.http === 200 && merchantDownload.bytes?.length > 0,
      `HTTP=${merchantDownload.http}, bytes=${merchantDownload.bytes?.length ?? 0}`, OPTIONS)
  }
}

async function runMixedConcurrency(context, routes, fixture) {
  const before = await platformDetail(context, routes, fixture)
  const body = { expectedVersion: Number(before.body?.data?.version), remark: context.marker }
  const concurrentKey = key(context, 'mixed-start-concurrent')
  const responses = await Promise.all([
    routes.platformStart(context, fixture, body, concurrentKey),
    routes.platformStart(context, fixture, body, concurrentKey),
  ])
  context.assert(MODULE, '开始并发双击收敛同一结果', responses[1],
    responses.every(success) && zeroDrift(responses[0].body?.data, responses[1].body?.data),
    responses.map((response) => evidence(response)).join('; '), OPTIONS)

  const different = await routes.platformStart(context, fixture, { ...body, remark: 'different' }, concurrentKey)
  context.assert(MODULE, '同幂等键异载荷A0409', different, a0409(different), evidence(different), OPTIONS)
  const frozen = responses[0].body?.data
  const customer = fixture.customers?.[0]
  if (!customer?.documentId) blocker(context, '混合柜冻结文件fixture', '混合柜缺少已上传退税客户资料')
  const locked = await routes.merchantUpdateScope(context, fixture, customer, {
    documentId: customer.documentId, inboundIds: customer.inboundIds.map(id), expectedVersion: customer.documentVersion,
  }, key(context, 'locked-scope'))
  await assertZeroDrift(context, '开始后资料范围锁定A0409零漂移', routes, fixture, { body: { data: frozen } }, locked)
}

export async function run(context) {
  const { fixtures, routes } = resolvePreparation(context)
  const byKind = new Map(fixtures.containers.map((item) => [item.kind, item]))
  await runAllBuy(context, routes, byKind.get(CONTAINER_CUSTOMS_FIXTURE_KINDS[0]))
  await runRefund(context, routes, byKind.get(CONTAINER_CUSTOMS_FIXTURE_KINDS[1]))
  await runMixedConcurrency(context, routes, byKind.get(CONTAINER_CUSTOMS_FIXTURE_KINDS[2]))
}