import { readFile } from 'node:fs/promises'
import { dirname, resolve } from 'node:path'
import { fileURLToPath } from 'node:url'

const SCENARIO = 'mojia-measurement'
const DEFAULT_IMAGE = resolve(
  dirname(fileURLToPath(import.meta.url)), '..', '..', 'apps', 'pda-uniapp', 'static', 'c7.png')

function success(response) {
  return response?.http === 200 && String(response?.body?.code) === '200'
}

function data(response) {
  return response?.body?.data ?? null
}

function record(run, name, response, passed, evidence = '') {
  return run.addStep(SCENARIO, name, response, passed, evidence)
}

function responseOf(http, body, raw = null) {
  return {
    method: 'POST',
    path: null,
    http,
    body,
    raw,
    requestId: body?.requestId ?? null,
    traceId: body?.traceId ?? null,
  }
}

async function multipartRequest(run, path, fields, imagePath) {
  const form = new FormData()
  form.set('data', JSON.stringify(fields))
  form.set('image', new Blob([await readFile(imagePath)], { type: 'image/png' }), 'mojia-e2e.png')
  try {
    const response = await fetch(`${run.options.gateway}${path}`, {
      method: 'POST',
      headers: { Accept: 'application/json', Authorization: `Bearer ${run.token}` },
      body: form,
      signal: AbortSignal.timeout(30_000),
    })
    const text = await response.text()
    let body = null
    try { body = text ? JSON.parse(text) : null } catch { /* Keep raw response for the report. */ }
    return {
      method: 'POST', path, http: response.status, body,
      raw: body === null ? text.slice(0, 500) : null,
      requestId: body?.requestId ?? response.headers.get('x-request-id'),
      traceId: body?.traceId ?? response.headers.get('x-trace-id'),
    }
  } catch (error) {
    return responseOf(0, null, error instanceof Error ? error.message : String(error))
  }
}

function requireData(run, name, response, evidence = '') {
  record(run, name, response, success(response) && data(response) !== null, evidence)
  if (!success(response) || data(response) === null) {
    throw new Error(`${name} failed: code=${response?.body?.code}, message=${response?.body?.message}`)
  }
  return data(response)
}

/**
 * Run the internal platform simulation for the MoJia carton measurement flow.
 * The final external MoJia key/signature contract is intentionally not defined here.
 *
 * @param {object} run Existing AcceptanceRun instance from admin-test-env-acceptance.mjs.
 * @param {object} [options]
 * @param {string|number} [options.tenantId] Customer scope for selecting the test inbound.
 * @param {string|number} [options.inboundId] Explicit WAIT_MEASURE inbound, preferred for CI.
 * @param {string} [options.imagePath] PNG/JPG evidence image path.
 */
export async function runMojiaMeasurementScenario(run, options = {}) {
  const tenantId = options.tenantId ?? process.env.MOJIA_TEST_TENANT_ID
  const imagePath = options.imagePath ?? process.env.MOJIA_TEST_IMAGE ?? DEFAULT_IMAGE
  let inboundId = options.inboundId ?? process.env.MOJIA_TEST_INBOUND_ID

  if (!tenantId && !inboundId) {
    const response = responseOf(0, { code: 'DEPLOYMENT_BLOCKED', message: '缺少墨家测试 tenantId 或 inboundId' })
    record(run, '墨家测量测试数据配置', response, false, '请传入 MOJIA_TEST_TENANT_ID 或 MOJIA_TEST_INBOUND_ID')
    return false
  }

  try {
    if (!inboundId) {
      const response = await run.request(
        'GET', '/api/platform/inbounds?processStatus=WAIT_MEASURE&page=1&size=200')
      const rows = requireData(run, '查找墨家 WAIT_MEASURE 入库单', response)
      const candidate = rows.records?.find((row) => String(row.tenantId) === String(tenantId)
        && row.totalPackageCount == null)
      if (!candidate) {
        record(run, '墨家测量测试数据配置', response, false,
          `tenantId=${tenantId} 下没有未冻结总箱数的 WAIT_MEASURE 入库单`)
        return false
      }
      inboundId = String(candidate.id)
    }

    const detailPath = `/api/platform/inbounds/${inboundId}?tenantId=${tenantId}`
    const detailResponse = await run.request('GET', detailPath)
    const detail = requireData(run, '查询墨家测试入库单', detailResponse, `inboundId=${inboundId}`)
    const summary = detail.summary
    if (summary.processStatus !== 'WAIT_MEASURE' || summary.totalPackageCount != null) {
      record(run, '墨家测试入库单状态校验', detailResponse, false,
        `processStatus=${summary.processStatus}, totalPackageCount=${summary.totalPackageCount}`)
      return false
    }
    const resolvedTenantId = String(summary.tenantId ?? tenantId)

    const printPath = `/api/platform/inbounds/${inboundId}/carton-label-pdf?tenantId=${resolvedTenantId}`
    const printResponse = await run.requestBinary('POST', printPath)
    record(run, '墨家测试生成稳定箱唛 PDF', printResponse,
      printResponse.http === 200 && printResponse.bytes?.length > 0
        && printResponse.contentType?.toLowerCase().includes('application/pdf'),
      `inboundId=${inboundId}, bytes=${printResponse.bytes?.length ?? 0}`)

    const afterPrintResponse = await run.request('GET', detailPath)
    const afterPrint = requireData(run, '回查墨家稳定箱号总数', afterPrintResponse)
    const printedTotal = Number(afterPrint.summary.totalPackageCount)
    if (!Number.isInteger(printedTotal) || printedTotal < 1) {
      throw new Error('打印后没有冻结原始总箱数')
    }
    const boxCode = `${afterPrint.summary.inboundCode}#${printedTotal}-1`
    const scanPath = `/api/platform/v1/first-leg/inbounds/${inboundId}/measurement/carton-scans?tenantId=${resolvedTenantId}`
    const firstFields = {
      boxCode, length: 59.1, width: 40.2, height: 30.3,
      machineNo: 'MJ-ADMIN-E2E-01', measuredAt: '2026-08-08T10:00:00',
    }
    const firstResponse = await multipartRequest(run, scanPath, firstFields, imagePath)
    const first = requireData(run, '墨家单箱首次测量上传', firstResponse, `boxCode=${boxCode}`)
    const firstPassed = first.created === true && first.confirmedPackageCount === 1
      && String(first.boxCode) === boxCode
    record(run, '墨家单箱首次记录语义', firstResponse, firstPassed,
      `itemId=${first.itemId}, measurementId=${first.measurementId}`)
    if (!firstPassed) throw new Error('首次扫描没有创建单箱记录或默认箱数不是 1')

    const countPath = `/api/platform/v1/first-leg/inbounds/${inboundId}/measurement/items/${first.itemId}/confirmed-package-count?tenantId=${resolvedTenantId}`
    const countResponse = await run.request('PUT', countPath, {
      measurementVersion: first.measurementVersion,
      confirmedPackageCount: printedTotal,
    })
    const counted = requireData(run, '人工确认墨家单箱代表箱数', countResponse,
      `confirmedPackageCount=${printedTotal}`)
    if (counted.confirmedPackageCount !== printedTotal) {
      throw new Error('人工确认箱数回显不一致')
    }

    const rescanResponse = await multipartRequest(run, scanPath, {
      boxCode, length: 59.5, width: 41.2, height: 31.3,
      machineNo: 'MJ-ADMIN-E2E-02', measuredAt: '2026-08-08T10:01:00',
    }, imagePath)
    const rescan = requireData(run, '墨家同箱复测覆盖', rescanResponse)
    const rescanPassed = rescan.created === false
      && String(rescan.itemId) === String(first.itemId)
      && rescan.confirmedPackageCount === printedTotal
      && Number(rescan.lengthCm) === 59.5
    record(run, '墨家同箱复测保留人工箱数', rescanResponse, rescanPassed,
      `itemId=${rescan.itemId}, confirmedPackageCount=${rescan.confirmedPackageCount}`)
    if (!rescanPassed) throw new Error('同箱复测没有覆盖设备值或覆盖人工箱数')

    const submitPath = `/api/platform/v1/first-leg/inbounds/${inboundId}/measurement/submit?tenantId=${resolvedTenantId}`
    const submitResponse = await run.request('POST', submitPath, {
      measurementId: rescan.measurementId,
      version: rescan.measurementVersion,
    })
    const submitted = requireData(run, '提交墨家测量审核', submitResponse)
    const submittedPassed = submitted.processStatus === 'MEASURE_PENDING'
      && submitted.measureReviewStatus === 'PENDING'
    record(run, '墨家测量进入待审核', submitResponse, submittedPassed,
      `processStatus=${submitted.processStatus}, reviewStatus=${submitted.measureReviewStatus}`)
    if (!submittedPassed) throw new Error('墨家测量提交后状态不正确')

    const blockedResponse = await multipartRequest(run, scanPath, {
      boxCode, length: 99.1, width: 99.2, height: 99.3,
      machineNo: 'MJ-ADMIN-E2E-BLOCKED', measuredAt: '2026-08-08T10:02:00',
    }, imagePath)
    const blockedPassed = blockedResponse.body?.code === 'A0409'
      && blockedResponse.body?.message?.includes('测量已提交')
    record(run, '提交后拒绝墨家设备覆盖', blockedResponse, blockedPassed,
      `code=${blockedResponse.body?.code}, message=${blockedResponse.body?.message ?? ''}`)
    if (!blockedPassed) throw new Error('提交后没有拒绝墨家设备覆盖')

    run.context ??= {}
    run.context.mojiaMeasurement = {
      tenantId: resolvedTenantId, inboundId: String(inboundId), boxCode,
      measurementId: String(rescan.measurementId), itemId: String(rescan.itemId),
    }
    return true
  } catch (error) {
    const response = responseOf(0, null, error instanceof Error ? error.message : String(error))
    record(run, '墨家测量场景执行', response, false, response.raw)
    return false
  }
}