/**
 * 门禁凭据与对账交互端点前端结果语义解析器 (Package A.3 - MAJ-05)
 *
 * 核心原则：
 * 1. 杜绝依赖 AjaxResult 顶层 res.msg (防止“操作成功”假成功)；
 * 2. 严格按后端 DTO 真实契约解析 (ReconciliationResult, IssueResultVO)；
 * 3. 严禁对排队、未执行、部分失败或人工对账展示“成功”。
 */

/**
 * 解析门禁注销操作结果反馈 (POST /train/access/auth/{authId}/revoke)
 * @param {Object} data - res.data (ReconciliationResult)
 * @returns {{ type: 'success'|'info'|'warning'|'error', message: string }}
 */
export function resolveRevokeFeedback(data) {
  const d = data || {}
  const decision = d.decision || ''
  const success = d.success === true
  const externalInvoked = d.externalInvoked === true
  const reason = d.reason || ''

  // 1. decision == NO_ACTION && success == true -> 无需操作或已处于安全终态 (info/success)
  if (decision === 'NO_ACTION' && success) {
    return {
      type: 'info',
      message: reason || '无需操作或已处于安全终态'
    }
  }

  // 2. decision == REVOKE_REQUIRED && success == true && externalInvoked == true
  if (decision === 'REVOKE_REQUIRED' && success && externalInvoked) {
    return {
      type: 'info',
      message: '注销请求已提交，等待设备确认。'
    }
  }

  // 3. decision == REVOKE_REQUIRED && success == true && externalInvoked == false
  if (decision === 'REVOKE_REQUIRED' && success && !externalInvoked) {
    return {
      type: 'warning',
      message: reason || '当前未执行外部注销，等待DMS恢复或后续处理。'
    }
  }

  // 4. decision == FAILED || success == false -> error 直接展示 reason
  if (decision === 'FAILED' || !success) {
    return {
      type: 'error',
      message: reason || '门禁注销失败'
    }
  }

  // 安全兜底
  return {
    type: 'info',
    message: reason || '注销请求已提交'
  }
}

/**
 * 解析门禁凭据显式下发结果反馈 (POST /train/access/auth/{authId}/issue)
 * @param {Object} data - res.data (IssueResultVO)
 * @returns {{ type: 'success'|'warning'|'error', message: string, openCredentialDialog: boolean }}
 */
export function resolveIssueFeedback(data) {
  const d = data || {}
  const status = d.status || ''
  const message = d.message || ''
  const hasCredential = Boolean(d.oneTimePlaintextCredential && String(d.oneTimePlaintextCredential).trim().length > 0)

  // 1. ACCEPTED: 仅在有 credential 时才允许弹窗；提示“凭据已提交下发，设备确认后生效。”
  if (status === 'ACCEPTED') {
    return {
      type: 'success',
      message: '凭据已提交下发，设备确认后生效。',
      openCredentialDialog: hasCredential
    }
  }

  // 2. WAITING_FOR_PREREQUISITE (包含 MISSING_STUDENT_PHONE, INVALID_VALIDITY_WINDOW, DMS_DISABLED 等真实 reason)
  if (status === 'WAITING_FOR_PREREQUISITE') {
    return {
      type: 'warning',
      message: message || '前置条件未满足，暂无法下发门禁凭据',
      openCredentialDialog: false
    }
  }

  // 3. AMBIGUOUS_EXTERNAL_MUTATION: 不得允许直接重发
  if (status === 'AMBIGUOUS_EXTERNAL_MUTATION' || status === 'AMBIGUOUS') {
    return {
      type: 'error',
      message: message || '上一次下发结果无法确认，禁止重复下发，请先核对厂商侧凭据。(AMBIGUOUS_EXTERNAL_MUTATION)',
      openCredentialDialog: false
    }
  }

  // 4. FAILED 或其他错误
  return {
    type: 'error',
    message: message || '门禁凭据下发失败',
    openCredentialDialog: false
  }
}

/**
 * 解析门禁手动对账结果反馈 (POST /train/access/reconcile/{enrollmentId})
 * @param {Object} data - res.data (ReconciliationResult)
 * @returns {{ type: 'success'|'info'|'warning'|'error', message: string, openCredentialDialog: boolean }}
 */
export function resolveReconcileFeedback(data) {
  const d = data || {}
  const batchResult = d.batchResult || null
  const outcome = (batchResult && batchResult.outcome) || d.outcome || (d.decision === 'NO_ACTION' ? 'ALL_SETTLED' : '')
  const reason = d.reason || ''
  const hasCredential = Boolean(d.oneTimePlaintextCredential && String(d.oneTimePlaintextCredential).trim().length > 0)

  // 1. ALL_SETTLED -> success
  if (outcome === 'ALL_SETTLED') {
    return {
      type: 'success',
      message: reason || '对账完成：所有授权均已处于安全终态或无需操作',
      openCredentialDialog: hasCredential
    }
  }

  // 2. IN_PROGRESS -> info
  if (outcome === 'IN_PROGRESS') {
    return {
      type: 'info',
      message: reason || '对账处理中：指令已派发至外部设备，等待设备确认',
      openCredentialDialog: hasCredential
    }
  }

  // 3. WAITING_FOR_DMS -> warning
  if (outcome === 'WAITING_FOR_DMS') {
    return {
      type: 'warning',
      message: reason || '门禁系统当前未启用，操作已排队等待DMS恢复后处理',
      openCredentialDialog: hasCredential
    }
  }

  // 4. PARTIAL_FAILURE -> error (明确“部分处理失败”，严禁报对账成功)
  if (outcome === 'PARTIAL_FAILURE') {
    return {
      type: 'error',
      message: reason ? ('部分处理失败：' + reason) : '对账完成：部分授权处理失败，需关注处理',
      openCredentialDialog: false
    }
  }

  // 5. ALL_FAILED -> error
  if (outcome === 'ALL_FAILED') {
    return {
      type: 'error',
      message: reason ? ('对账处理失败：' + reason) : '对账执行失败：所有授权操作均失败',
      openCredentialDialog: false
    }
  }

  // 6. REQUIRES_MANUAL_SETTLEMENT -> error (明确“需要人工核对厂商侧状态”)
  if (outcome === 'REQUIRES_MANUAL_SETTLEMENT') {
    return {
      type: 'error',
      message: reason ? ('需要人工核对厂商侧状态：' + reason) : '需要人工核对厂商侧状态：外部凭据状态不确定，阻断自动处理',
      openCredentialDialog: false
    }
  }

  // 7. 兜底逻辑：若明确 success == false
  if (d.success === false) {
    return {
      type: 'error',
      message: reason || '对账执行未成功',
      openCredentialDialog: false
    }
  }

  // 8. 默认中性提示
  return {
    type: 'info',
    message: reason || '对账执行完成',
    openCredentialDialog: hasCredential
  }
}