@k-msg/channel/dist/index.cjs.map

AlimTalk channel and sender number management

{"version":3,"sources":["../src/index.ts","../src/types/channel.types.ts","../src/kakao/channel.ts","../src/kakao/sender-number.ts","../src/management/crud.ts","../src/management/permissions.ts","../src/verification/business.verify.ts","../src/verification/number.verify.ts","../src/services/channel.service.ts"],"sourcesContent":["// Types\nexport * from './types/channel.types';\n\n// Kakao Channel Management\nexport { KakaoChannelManager } from './kakao/channel';\nexport { KakaoSenderNumberManager } from './kakao/sender-number';\n\n// Channel Management\nexport { \n  ChannelCRUD,\n  type PaginationOptions,\n  type PaginatedResult,\n  type ChannelCRUDOptions,\n  type AuditLogEntry\n} from './management/crud';\n\nexport { \n  PermissionManager,\n  type User,\n  type Role,\n  type Permission,\n  type AccessContext,\n  type PermissionCheck,\n  type PermissionResult,\n  ResourceType,\n  ActionType,\n  PermissionScope\n} from './management/permissions';\n\n// Verification Systems\nexport { \n  BusinessVerifier,\n  type BusinessInfo,\n  type VerificationRequest,\n  type AutoVerificationResult,\n  type DocumentValidationResult,\n  type BusinessVerifierOptions\n} from './verification/business.verify';\n\nexport { \n  NumberVerifier,\n  type PhoneVerificationRequest,\n  type VerificationAttempt,\n  type PhoneVerificationStatus,\n  type NumberVerifierOptions,\n  type SMSProvider,\n  type VoiceProvider,\n  type PhoneNumberInfo,\n  VerificationType,\n  VerificationMethod\n} from './verification/number.verify';\n\n// Legacy Channel Service (maintained for backward compatibility)\nexport { ChannelService } from './services/channel.service';","import { z } from 'zod';\n\nexport interface Channel {\n  id: string;\n  name: string;\n  provider: string;\n  type: ChannelType;\n  status: ChannelStatus;\n  profileKey: string;\n  senderNumbers: SenderNumber[];\n  metadata: ChannelMetadata;\n  verification: ChannelVerification;\n  createdAt: Date;\n  updatedAt: Date;\n}\n\nexport enum ChannelType {\n  KAKAO_ALIMTALK = 'KAKAO_ALIMTALK',\n  KAKAO_FRIENDTALK = 'KAKAO_FRIENDTALK',\n  SMS = 'SMS',\n  LMS = 'LMS',\n  MMS = 'MMS'\n}\n\nexport enum ChannelStatus {\n  PENDING = 'PENDING',           // 등록 대기\n  VERIFYING = 'VERIFYING',       // 검증 중\n  ACTIVE = 'ACTIVE',             // 활성화\n  SUSPENDED = 'SUSPENDED',       // 일시 정지\n  BLOCKED = 'BLOCKED',           // 차단됨\n  DELETED = 'DELETED'            // 삭제됨\n}\n\nexport interface SenderNumber {\n  id: string;\n  phoneNumber: string;\n  status: SenderNumberStatus;\n  verificationCode?: string;\n  verifiedAt?: Date;\n  category: SenderNumberCategory;\n  metadata: {\n    businessName?: string;\n    businessRegistrationNumber?: string;\n    contactPerson?: string;\n    contactEmail?: string;\n  };\n  createdAt: Date;\n  updatedAt: Date;\n}\n\nexport enum SenderNumberStatus {\n  PENDING = 'PENDING',           // 등록 대기\n  VERIFYING = 'VERIFYING',       // 인증 중\n  VERIFIED = 'VERIFIED',         // 인증 완료\n  REJECTED = 'REJECTED',         // 반려됨\n  BLOCKED = 'BLOCKED'            // 차단됨\n}\n\nexport enum SenderNumberCategory {\n  BUSINESS = 'BUSINESS',         // 사업자\n  PERSONAL = 'PERSONAL',         // 개인\n  GOVERNMENT = 'GOVERNMENT',     // 관공서\n  NON_PROFIT = 'NON_PROFIT'      // 비영리단체\n}\n\nexport interface ChannelMetadata {\n  businessInfo?: {\n    name: string;\n    registrationNumber: string;\n    category: string;\n    contactPerson: string;\n    contactEmail: string;\n    contactPhone: string;\n  };\n  kakaoInfo?: {\n    plusFriendId: string;\n    brandName: string;\n    logoUrl?: string;\n    description?: string;\n  };\n  limits: {\n    dailyMessageLimit: number;\n    monthlyMessageLimit: number;\n    rateLimit: number; // messages per second\n  };\n  features: {\n    supportsBulkSending: boolean;\n    supportsScheduling: boolean;\n    supportsButtons: boolean;\n    maxButtonCount: number;\n  };\n}\n\nexport interface ChannelVerification {\n  status: VerificationStatus;\n  documents: VerificationDocument[];\n  verifiedAt?: Date;\n  rejectedAt?: Date;\n  rejectionReason?: string;\n  verifiedBy?: string;\n}\n\nexport enum VerificationStatus {\n  NOT_REQUIRED = 'NOT_REQUIRED',\n  PENDING = 'PENDING',\n  UNDER_REVIEW = 'UNDER_REVIEW',\n  VERIFIED = 'VERIFIED',\n  REJECTED = 'REJECTED'\n}\n\nexport interface VerificationDocument {\n  id: string;\n  type: DocumentType;\n  fileName: string;\n  fileUrl: string;\n  uploadedAt: Date;\n  status: DocumentStatus;\n}\n\nexport enum DocumentType {\n  BUSINESS_REGISTRATION = 'BUSINESS_REGISTRATION',\n  BUSINESS_LICENSE = 'BUSINESS_LICENSE',\n  ID_CARD = 'ID_CARD',\n  AUTHORIZATION_LETTER = 'AUTHORIZATION_LETTER',\n  OTHER = 'OTHER'\n}\n\nexport enum DocumentStatus {\n  UPLOADED = 'UPLOADED',\n  VERIFIED = 'VERIFIED',\n  REJECTED = 'REJECTED'\n}\n\n// Request/Response types\nexport interface ChannelCreateRequest {\n  name: string;\n  type: ChannelType;\n  provider: string;\n  profileKey: string;\n  businessInfo?: {\n    name: string;\n    registrationNumber: string;\n    category: string;\n    contactPerson: string;\n    contactEmail: string;\n    contactPhone: string;\n  };\n  kakaoInfo?: {\n    plusFriendId: string;\n    brandName: string;\n    logoUrl?: string;\n    description?: string;\n  };\n}\n\nexport interface SenderNumberCreateRequest {\n  phoneNumber: string;\n  category: SenderNumberCategory;\n  businessInfo?: {\n    businessName: string;\n    businessRegistrationNumber: string;\n    contactPerson: string;\n    contactEmail: string;\n  };\n}\n\nexport interface ChannelFilters {\n  provider?: string;\n  type?: ChannelType;\n  status?: ChannelStatus;\n  verified?: boolean;\n  createdAfter?: Date;\n  createdBefore?: Date;\n}\n\nexport interface SenderNumberFilters {\n  channelId?: string;\n  status?: SenderNumberStatus;\n  category?: SenderNumberCategory;\n  verified?: boolean;\n}\n\n// Zod schemas\nexport const ChannelCreateRequestSchema = z.object({\n  name: z.string().min(1).max(100),\n  type: z.nativeEnum(ChannelType),\n  provider: z.string().min(1),\n  profileKey: z.string().min(1),\n  businessInfo: z.object({\n    name: z.string().min(1),\n    registrationNumber: z.string().min(1),\n    category: z.string().min(1),\n    contactPerson: z.string().min(1),\n    contactEmail: z.string().email(),\n    contactPhone: z.string().regex(/^[0-9-+\\s()]+$/),\n  }).optional(),\n  kakaoInfo: z.object({\n    plusFriendId: z.string().min(1),\n    brandName: z.string().min(1),\n    logoUrl: z.string().url().optional(),\n    description: z.string().max(500).optional(),\n  }).optional(),\n});\n\nexport const SenderNumberCreateRequestSchema = z.object({\n  phoneNumber: z.string().regex(/^[0-9]{10,11}$/),\n  category: z.nativeEnum(SenderNumberCategory),\n  businessInfo: z.object({\n    businessName: z.string().min(1),\n    businessRegistrationNumber: z.string().min(1),\n    contactPerson: z.string().min(1),\n    contactEmail: z.string().email(),\n  }).optional(),\n});\n\nexport const ChannelFiltersSchema = z.object({\n  provider: z.string().optional(),\n  type: z.nativeEnum(ChannelType).optional(),\n  status: z.nativeEnum(ChannelStatus).optional(),\n  verified: z.boolean().optional(),\n  createdAfter: z.date().optional(),\n  createdBefore: z.date().optional(),\n});\n\nexport const SenderNumberFiltersSchema = z.object({\n  channelId: z.string().optional(),\n  status: z.nativeEnum(SenderNumberStatus).optional(),\n  category: z.nativeEnum(SenderNumberCategory).optional(),\n  verified: z.boolean().optional(),\n});\n\nexport type ChannelCreateRequestType = z.infer<typeof ChannelCreateRequestSchema>;\nexport type SenderNumberCreateRequestType = z.infer<typeof SenderNumberCreateRequestSchema>;\nexport type ChannelFiltersType = z.infer<typeof ChannelFiltersSchema>;\nexport type SenderNumberFiltersType = z.infer<typeof SenderNumberFiltersSchema>;\n\n// Additional types for service compatibility\nexport interface ChannelConfig {\n  id: string;\n  name: string;\n  type: 'alimtalk' | 'sms' | 'lms' | 'friendtalk';\n  providerId: string;\n  active: boolean;\n  settings: Record<string, any>;\n  createdAt: Date;\n  updatedAt: Date;\n}\n\nexport interface ChannelVerificationResult {\n  success: boolean;\n  status: string;\n  verificationCode?: string;\n  error?: string;\n}","import { \n  Channel, \n  ChannelCreateRequest, \n  ChannelStatus, \n  ChannelType,\n  VerificationStatus \n} from '../types/channel.types';\n\nexport class KakaoChannelManager {\n  private channels: Map<string, Channel> = new Map();\n\n  async createChannel(request: ChannelCreateRequest): Promise<Channel> {\n    // Validate Kakao-specific requirements\n    this.validateKakaoChannelRequest(request);\n\n    const channelId = this.generateChannelId();\n    \n    const channel: Channel = {\n      id: channelId,\n      name: request.name,\n      provider: request.provider,\n      type: request.type,\n      status: ChannelStatus.PENDING,\n      profileKey: request.profileKey,\n      senderNumbers: [],\n      metadata: {\n        businessInfo: request.businessInfo,\n        kakaoInfo: request.kakaoInfo,\n        limits: {\n          dailyMessageLimit: 10000,\n          monthlyMessageLimit: 300000,\n          rateLimit: 10 // 10 messages per second\n        },\n        features: {\n          supportsBulkSending: true,\n          supportsScheduling: true,\n          supportsButtons: true,\n          maxButtonCount: 5\n        }\n      },\n      verification: {\n        status: request.businessInfo ? VerificationStatus.PENDING : VerificationStatus.NOT_REQUIRED,\n        documents: []\n      },\n      createdAt: new Date(),\n      updatedAt: new Date()\n    };\n\n    this.channels.set(channelId, channel);\n\n    // Start verification process if business info is provided\n    if (request.businessInfo) {\n      await this.initiateBusinessVerification(channel);\n    }\n\n    return channel;\n  }\n\n  private validateKakaoChannelRequest(request: ChannelCreateRequest): void {\n    if (request.type !== ChannelType.KAKAO_ALIMTALK && request.type !== ChannelType.KAKAO_FRIENDTALK) {\n      throw new Error('Invalid channel type for Kakao channel');\n    }\n\n    if (!request.kakaoInfo?.plusFriendId) {\n      throw new Error('Plus Friend ID is required for Kakao channels');\n    }\n\n    if (!request.kakaoInfo?.brandName) {\n      throw new Error('Brand name is required for Kakao channels');\n    }\n\n    // Validate Plus Friend ID format\n    if (!this.isValidPlusFriendId(request.kakaoInfo.plusFriendId)) {\n      throw new Error('Invalid Plus Friend ID format');\n    }\n  }\n\n  private isValidPlusFriendId(plusFriendId: string): boolean {\n    // Plus Friend ID should start with @ and contain only allowed characters\n    const regex = /^@[a-zA-Z0-9_-]{3,30}$/;\n    return regex.test(plusFriendId);\n  }\n\n  private async initiateBusinessVerification(channel: Channel): Promise<void> {\n    // In a real implementation, this would integrate with Kakao's verification API\n    // For now, we'll simulate the process\n    \n    channel.verification.status = VerificationStatus.UNDER_REVIEW;\n    channel.status = ChannelStatus.VERIFYING;\n    channel.updatedAt = new Date();\n\n    // Simulate verification process (in real scenario, this would be handled by webhooks)\n    setTimeout(() => {\n      this.completeVerification(channel.id, true);\n    }, 5000); // 5 seconds for demo\n  }\n\n  async completeVerification(channelId: string, approved: boolean, rejectionReason?: string): Promise<void> {\n    const channel = this.channels.get(channelId);\n    if (!channel) {\n      throw new Error('Channel not found');\n    }\n\n    if (approved) {\n      channel.verification.status = VerificationStatus.VERIFIED;\n      channel.verification.verifiedAt = new Date();\n      channel.status = ChannelStatus.ACTIVE;\n    } else {\n      channel.verification.status = VerificationStatus.REJECTED;\n      channel.verification.rejectedAt = new Date();\n      channel.verification.rejectionReason = rejectionReason || 'Verification failed';\n      channel.status = ChannelStatus.SUSPENDED;\n    }\n\n    channel.updatedAt = new Date();\n  }\n\n  async getChannel(channelId: string): Promise<Channel | null> {\n    return this.channels.get(channelId) || null;\n  }\n\n  async updateChannel(channelId: string, updates: Partial<Channel>): Promise<Channel> {\n    const channel = this.channels.get(channelId);\n    if (!channel) {\n      throw new Error('Channel not found');\n    }\n\n    // Validate updates\n    if (updates.metadata?.kakaoInfo?.plusFriendId && !this.isValidPlusFriendId(updates.metadata.kakaoInfo.plusFriendId)) {\n      throw new Error('Invalid Plus Friend ID format');\n    }\n\n    // Apply updates\n    Object.assign(channel, updates, { updatedAt: new Date() });\n\n    return channel;\n  }\n\n  async deleteChannel(channelId: string): Promise<boolean> {\n    const channel = this.channels.get(channelId);\n    if (!channel) {\n      return false;\n    }\n\n    // Soft delete - mark as deleted instead of removing\n    channel.status = ChannelStatus.DELETED;\n    channel.updatedAt = new Date();\n\n    return true;\n  }\n\n  async listChannels(filters?: {\n    status?: ChannelStatus;\n    type?: ChannelType;\n    verified?: boolean;\n  }): Promise<Channel[]> {\n    let channels = Array.from(this.channels.values());\n\n    if (filters) {\n      if (filters.status) {\n        channels = channels.filter(c => c.status === filters.status);\n      }\n      if (filters.type) {\n        channels = channels.filter(c => c.type === filters.type);\n      }\n      if (filters.verified !== undefined) {\n        const verifiedStatus = filters.verified ? VerificationStatus.VERIFIED : VerificationStatus.PENDING;\n        channels = channels.filter(c => c.verification.status === verifiedStatus);\n      }\n    }\n\n    // Exclude deleted channels unless specifically requested\n    return channels.filter(c => c.status !== ChannelStatus.DELETED);\n  }\n\n  async suspendChannel(channelId: string, reason: string): Promise<void> {\n    const channel = this.channels.get(channelId);\n    if (!channel) {\n      throw new Error('Channel not found');\n    }\n\n    channel.status = ChannelStatus.SUSPENDED;\n    channel.updatedAt = new Date();\n    \n    // Log suspension reason (in real implementation, save to audit log)\n    console.log(`Channel ${channelId} suspended: ${reason}`);\n  }\n\n  async reactivateChannel(channelId: string): Promise<void> {\n    const channel = this.channels.get(channelId);\n    if (!channel) {\n      throw new Error('Channel not found');\n    }\n\n    if (channel.verification.status !== VerificationStatus.VERIFIED) {\n      throw new Error('Channel must be verified before reactivation');\n    }\n\n    channel.status = ChannelStatus.ACTIVE;\n    channel.updatedAt = new Date();\n  }\n\n  async checkChannelHealth(channelId: string): Promise<{\n    isHealthy: boolean;\n    issues: string[];\n    recommendations: string[];\n  }> {\n    const channel = this.channels.get(channelId);\n    if (!channel) {\n      throw new Error('Channel not found');\n    }\n\n    const issues: string[] = [];\n    const recommendations: string[] = [];\n\n    // Check channel status\n    if (channel.status !== ChannelStatus.ACTIVE) {\n      issues.push(`Channel status is ${channel.status}`);\n    }\n\n    // Check verification status\n    if (channel.verification.status !== VerificationStatus.VERIFIED && \n        channel.verification.status !== VerificationStatus.NOT_REQUIRED) {\n      issues.push(`Channel verification is ${channel.verification.status}`);\n    }\n\n    // Check if channel has sender numbers\n    if (channel.senderNumbers.length === 0) {\n      recommendations.push('Add at least one verified sender number');\n    }\n\n    // Check business info completeness\n    if (!channel.metadata.businessInfo) {\n      recommendations.push('Complete business information for better deliverability');\n    }\n\n    return {\n      isHealthy: issues.length === 0,\n      issues,\n      recommendations\n    };\n  }\n\n  private generateChannelId(): string {\n    return `kakao_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;\n  }\n}","import { \n  SenderNumber, \n  SenderNumberCreateRequest, \n  SenderNumberStatus, \n  SenderNumberCategory \n} from '../types/channel.types';\n\nexport class KakaoSenderNumberManager {\n  private senderNumbers: Map<string, SenderNumber> = new Map();\n  private verificationCodes: Map<string, { code: string; expiresAt: Date }> = new Map();\n\n  async addSenderNumber(\n    channelId: string, \n    request: SenderNumberCreateRequest\n  ): Promise<SenderNumber> {\n    // Validate phone number format\n    this.validatePhoneNumber(request.phoneNumber);\n\n    // Check if number is already registered\n    const existingNumber = this.findSenderNumberByPhone(request.phoneNumber);\n    if (existingNumber) {\n      throw new Error('Phone number is already registered');\n    }\n\n    const senderNumberId = this.generateSenderNumberId();\n    \n    const senderNumber: SenderNumber = {\n      id: senderNumberId,\n      phoneNumber: request.phoneNumber,\n      status: SenderNumberStatus.PENDING,\n      category: request.category,\n      metadata: {\n        businessName: request.businessInfo?.businessName,\n        businessRegistrationNumber: request.businessInfo?.businessRegistrationNumber,\n        contactPerson: request.businessInfo?.contactPerson,\n        contactEmail: request.businessInfo?.contactEmail,\n      },\n      createdAt: new Date(),\n      updatedAt: new Date()\n    };\n\n    this.senderNumbers.set(senderNumberId, senderNumber);\n\n    // Initiate verification process\n    await this.initiateVerification(senderNumber);\n\n    return senderNumber;\n  }\n\n  private validatePhoneNumber(phoneNumber: string): void {\n    // Korean phone number validation\n    const regex = /^(010|011|016|017|018|019)[0-9]{7,8}$/;\n    if (!regex.test(phoneNumber)) {\n      throw new Error('Invalid Korean phone number format');\n    }\n  }\n\n  private findSenderNumberByPhone(phoneNumber: string): SenderNumber | undefined {\n    return Array.from(this.senderNumbers.values())\n      .find(sn => sn.phoneNumber === phoneNumber);\n  }\n\n  private async initiateVerification(senderNumber: SenderNumber): Promise<void> {\n    // Generate verification code\n    const verificationCode = this.generateVerificationCode();\n    const expiresAt = new Date(Date.now() + 5 * 60 * 1000); // 5 minutes\n\n    // Store verification code\n    this.verificationCodes.set(senderNumber.id, {\n      code: verificationCode,\n      expiresAt\n    });\n\n    // Update sender number status\n    senderNumber.status = SenderNumberStatus.VERIFYING;\n    senderNumber.verificationCode = verificationCode;\n    senderNumber.updatedAt = new Date();\n\n    // In a real implementation, send SMS to the phone number\n    console.log(`Verification code for ${senderNumber.phoneNumber}: ${verificationCode}`);\n    \n    // Simulate SMS sending\n    await this.sendVerificationSMS(senderNumber.phoneNumber, verificationCode);\n  }\n\n  private async sendVerificationSMS(phoneNumber: string, code: string): Promise<void> {\n    // In a real implementation, this would use an SMS provider\n    console.log(`Sending SMS to ${phoneNumber}: Your verification code is ${code}`);\n  }\n\n  async verifySenderNumber(senderNumberId: string, code: string): Promise<boolean> {\n    const senderNumber = this.senderNumbers.get(senderNumberId);\n    if (!senderNumber) {\n      throw new Error('Sender number not found');\n    }\n\n    const verification = this.verificationCodes.get(senderNumberId);\n    if (!verification) {\n      throw new Error('No verification code found');\n    }\n\n    // Check if code is expired\n    if (new Date() > verification.expiresAt) {\n      throw new Error('Verification code has expired');\n    }\n\n    // Check if code matches\n    if (verification.code !== code) {\n      return false;\n    }\n\n    // Mark as verified\n    senderNumber.status = SenderNumberStatus.VERIFIED;\n    senderNumber.verifiedAt = new Date();\n    senderNumber.updatedAt = new Date();\n    delete senderNumber.verificationCode;\n\n    // Clean up verification code\n    this.verificationCodes.delete(senderNumberId);\n\n    return true;\n  }\n\n  async resendVerificationCode(senderNumberId: string): Promise<void> {\n    const senderNumber = this.senderNumbers.get(senderNumberId);\n    if (!senderNumber) {\n      throw new Error('Sender number not found');\n    }\n\n    if (senderNumber.status !== SenderNumberStatus.VERIFYING) {\n      throw new Error('Sender number is not in verifying status');\n    }\n\n    // Check rate limiting (prevent spam)\n    const lastVerification = this.verificationCodes.get(senderNumberId);\n    if (lastVerification) {\n      const timeSinceLastCode = Date.now() - (lastVerification.expiresAt.getTime() - 5 * 60 * 1000);\n      if (timeSinceLastCode < 60 * 1000) { // 1 minute cooldown\n        throw new Error('Please wait before requesting a new verification code');\n      }\n    }\n\n    // Generate new verification code\n    await this.initiateVerification(senderNumber);\n  }\n\n  async getSenderNumber(senderNumberId: string): Promise<SenderNumber | null> {\n    return this.senderNumbers.get(senderNumberId) || null;\n  }\n\n  async listSenderNumbers(filters?: {\n    channelId?: string;\n    status?: SenderNumberStatus;\n    category?: SenderNumberCategory;\n    verified?: boolean;\n  }): Promise<SenderNumber[]> {\n    let senderNumbers = Array.from(this.senderNumbers.values());\n\n    if (filters) {\n      if (filters.status) {\n        senderNumbers = senderNumbers.filter(sn => sn.status === filters.status);\n      }\n      if (filters.category) {\n        senderNumbers = senderNumbers.filter(sn => sn.category === filters.category);\n      }\n      if (filters.verified !== undefined) {\n        if (filters.verified) {\n          senderNumbers = senderNumbers.filter(sn => sn.status === SenderNumberStatus.VERIFIED);\n        } else {\n          senderNumbers = senderNumbers.filter(sn => sn.status !== SenderNumberStatus.VERIFIED);\n        }\n      }\n    }\n\n    return senderNumbers;\n  }\n\n  async updateSenderNumber(\n    senderNumberId: string, \n    updates: Partial<SenderNumber>\n  ): Promise<SenderNumber> {\n    const senderNumber = this.senderNumbers.get(senderNumberId);\n    if (!senderNumber) {\n      throw new Error('Sender number not found');\n    }\n\n    // Prevent updating certain fields\n    const allowedUpdates = { ...updates };\n    delete allowedUpdates.id;\n    delete allowedUpdates.phoneNumber;\n    delete allowedUpdates.verifiedAt;\n    delete allowedUpdates.createdAt;\n\n    Object.assign(senderNumber, allowedUpdates, { updatedAt: new Date() });\n\n    return senderNumber;\n  }\n\n  async deleteSenderNumber(senderNumberId: string): Promise<boolean> {\n    const senderNumber = this.senderNumbers.get(senderNumberId);\n    if (!senderNumber) {\n      return false;\n    }\n\n    // Check if sender number is being used\n    if (await this.isSenderNumberInUse(senderNumberId)) {\n      throw new Error('Cannot delete sender number that is currently in use');\n    }\n\n    this.senderNumbers.delete(senderNumberId);\n    this.verificationCodes.delete(senderNumberId);\n\n    return true;\n  }\n\n  private async isSenderNumberInUse(senderNumberId: string): Promise<boolean> {\n    // In a real implementation, check if any templates or active campaigns use this sender number\n    return false;\n  }\n\n  async blockSenderNumber(senderNumberId: string, reason: string): Promise<void> {\n    const senderNumber = this.senderNumbers.get(senderNumberId);\n    if (!senderNumber) {\n      throw new Error('Sender number not found');\n    }\n\n    senderNumber.status = SenderNumberStatus.BLOCKED;\n    senderNumber.updatedAt = new Date();\n\n    // Log blocking reason (in real implementation, save to audit log)\n    console.log(`Sender number ${senderNumberId} blocked: ${reason}`);\n  }\n\n  async unblockSenderNumber(senderNumberId: string): Promise<void> {\n    const senderNumber = this.senderNumbers.get(senderNumberId);\n    if (!senderNumber) {\n      throw new Error('Sender number not found');\n    }\n\n    if (senderNumber.status !== SenderNumberStatus.BLOCKED) {\n      throw new Error('Sender number is not blocked');\n    }\n\n    // Restore to previous status (assume verified if was blocked)\n    senderNumber.status = senderNumber.verifiedAt ? \n      SenderNumberStatus.VERIFIED : \n      SenderNumberStatus.PENDING;\n    senderNumber.updatedAt = new Date();\n  }\n\n  async validateSenderNumberForSending(senderNumberId: string): Promise<{\n    isValid: boolean;\n    errors: string[];\n  }> {\n    const senderNumber = this.senderNumbers.get(senderNumberId);\n    const errors: string[] = [];\n\n    if (!senderNumber) {\n      errors.push('Sender number not found');\n      return { isValid: false, errors };\n    }\n\n    if (senderNumber.status !== SenderNumberStatus.VERIFIED) {\n      errors.push(`Sender number status is ${senderNumber.status}, must be verified`);\n    }\n\n    if (!senderNumber.verifiedAt) {\n      errors.push('Sender number has not been verified');\n    }\n\n    // Check if verification is recent (within 1 year)\n    if (senderNumber.verifiedAt) {\n      const oneYearAgo = new Date(Date.now() - 365 * 24 * 60 * 60 * 1000);\n      if (senderNumber.verifiedAt < oneYearAgo) {\n        errors.push('Sender number verification has expired');\n      }\n    }\n\n    return {\n      isValid: errors.length === 0,\n      errors\n    };\n  }\n\n  private generateSenderNumberId(): string {\n    return `sn_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;\n  }\n\n  private generateVerificationCode(): string {\n    return Math.floor(100000 + Math.random() * 900000).toString();\n  }\n\n  // Cleanup expired verification codes\n  cleanup(): void {\n    const now = new Date();\n    for (const [id, verification] of this.verificationCodes) {\n      if (now > verification.expiresAt) {\n        this.verificationCodes.delete(id);\n        \n        // Reset sender number status if verification expired\n        const senderNumber = this.senderNumbers.get(id);\n        if (senderNumber && senderNumber.status === SenderNumberStatus.VERIFYING) {\n          senderNumber.status = SenderNumberStatus.PENDING;\n          delete senderNumber.verificationCode;\n          senderNumber.updatedAt = new Date();\n        }\n      }\n    }\n  }\n}","/**\n * Channel CRUD Operations\n * 채널 생성, 조회, 수정, 삭제 통합 관리\n */\n\nimport { EventEmitter } from 'events';\nimport {\n  Channel,\n  SenderNumber,\n  ChannelCreateRequest,\n  SenderNumberCreateRequest,\n  ChannelFilters,\n  SenderNumberFilters,\n  ChannelStatus,\n  SenderNumberStatus,\n  ChannelType,\n  VerificationStatus\n} from '../types/channel.types';\n\nexport interface PaginationOptions {\n  page: number;\n  limit: number;\n  sortBy?: string;\n  sortOrder?: 'asc' | 'desc';\n}\n\nexport interface PaginatedResult<T> {\n  data: T[];\n  total: number;\n  page: number;\n  limit: number;\n  totalPages: number;\n  hasNext: boolean;\n  hasPrev: boolean;\n}\n\nexport interface ChannelCRUDOptions {\n  enableAuditLog: boolean;\n  enableEventEmission: boolean;\n  defaultPageSize: number;\n  maxPageSize: number;\n  enableSoftDelete: boolean;\n  autoCleanup: boolean;\n  cleanupInterval: number; // in milliseconds\n}\n\nexport interface AuditLogEntry {\n  id: string;\n  entityType: 'channel' | 'senderNumber';\n  entityId: string;\n  action: 'create' | 'read' | 'update' | 'delete' | 'verify' | 'suspend' | 'activate';\n  userId?: string;\n  timestamp: Date;\n  changes?: {\n    before: any;\n    after: any;\n  };\n  metadata?: Record<string, any>;\n}\n\nexport class ChannelCRUD extends EventEmitter {\n  private channels = new Map<string, Channel>();\n  private senderNumbers = new Map<string, SenderNumber>();\n  private auditLogs: AuditLogEntry[] = [];\n  private cleanupTimer?: NodeJS.Timeout;\n\n  private defaultOptions: ChannelCRUDOptions = {\n    enableAuditLog: true,\n    enableEventEmission: true,\n    defaultPageSize: 20,\n    maxPageSize: 100,\n    enableSoftDelete: true,\n    autoCleanup: true,\n    cleanupInterval: 3600000 // 1 hour\n  };\n\n  constructor(private options: Partial<ChannelCRUDOptions> = {}) {\n    super();\n    this.options = { ...this.defaultOptions, ...options };\n\n    if (this.options.autoCleanup) {\n      this.startAutoCleanup();\n    }\n  }\n\n  // Channel CRUD Operations\n  async createChannel(request: ChannelCreateRequest, userId?: string): Promise<Channel> {\n    const channelId = this.generateChannelId();\n    \n    const channel: Channel = {\n      id: channelId,\n      name: request.name,\n      provider: request.provider,\n      type: request.type,\n      status: ChannelStatus.PENDING,\n      profileKey: request.profileKey,\n      senderNumbers: [],\n      metadata: {\n        businessInfo: request.businessInfo,\n        kakaoInfo: request.kakaoInfo,\n        limits: this.getDefaultLimits(request.type),\n        features: this.getDefaultFeatures(request.type)\n      },\n      verification: {\n        status: request.businessInfo ? VerificationStatus.PENDING : VerificationStatus.NOT_REQUIRED,\n        documents: []\n      },\n      createdAt: new Date(),\n      updatedAt: new Date()\n    };\n\n    this.channels.set(channelId, channel);\n\n    // Audit log\n    if (this.options.enableAuditLog) {\n      this.addAuditLog('channel', channelId, 'create', userId, undefined, channel);\n    }\n\n    // Event emission\n    if (this.options.enableEventEmission) {\n      this.emit('channel:created', { channel, userId });\n    }\n\n    return channel;\n  }\n\n  async getChannel(channelId: string, userId?: string): Promise<Channel | null> {\n    const channel = this.channels.get(channelId);\n    \n    if (channel && this.options.enableAuditLog) {\n      this.addAuditLog('channel', channelId, 'read', userId);\n    }\n\n    return channel || null;\n  }\n\n  async updateChannel(\n    channelId: string, \n    updates: Partial<Omit<Channel, 'id' | 'createdAt' | 'updatedAt'>>,\n    userId?: string\n  ): Promise<Channel> {\n    const channel = this.channels.get(channelId);\n    if (!channel) {\n      throw new Error(`Channel ${channelId} not found`);\n    }\n\n    const before = this.options.enableAuditLog ? { ...channel } : undefined;\n    \n    // Apply updates\n    const updatedChannel = {\n      ...channel,\n      ...updates,\n      id: channelId, // Ensure ID doesn't change\n      updatedAt: new Date()\n    };\n\n    this.channels.set(channelId, updatedChannel);\n\n    // Audit log\n    if (this.options.enableAuditLog) {\n      this.addAuditLog('channel', channelId, 'update', userId, before, updatedChannel);\n    }\n\n    // Event emission\n    if (this.options.enableEventEmission) {\n      this.emit('channel:updated', { \n        channel: updatedChannel, \n        previousChannel: channel,\n        userId \n      });\n    }\n\n    return updatedChannel;\n  }\n\n  async deleteChannel(channelId: string, userId?: string): Promise<boolean> {\n    const channel = this.channels.get(channelId);\n    if (!channel) {\n      return false;\n    }\n\n    if (this.options.enableSoftDelete) {\n      // Soft delete - mark as deleted\n      channel.status = ChannelStatus.DELETED;\n      channel.updatedAt = new Date();\n    } else {\n      // Hard delete - remove from memory\n      this.channels.delete(channelId);\n      \n      // Also delete associated sender numbers\n      for (const [id, senderNumber] of this.senderNumbers) {\n        // In a real implementation, we'd have a channelId field in SenderNumber\n        // For now, we'll skip this cleanup\n      }\n    }\n\n    // Audit log\n    if (this.options.enableAuditLog) {\n      this.addAuditLog('channel', channelId, 'delete', userId, channel);\n    }\n\n    // Event emission\n    if (this.options.enableEventEmission) {\n      this.emit('channel:deleted', { channel, userId });\n    }\n\n    return true;\n  }\n\n  async listChannels(\n    filters: ChannelFilters = {}, \n    pagination: PaginationOptions = { page: 1, limit: this.options.defaultPageSize! }\n  ): Promise<PaginatedResult<Channel>> {\n    let channels = Array.from(this.channels.values());\n\n    // Apply filters\n    if (filters.provider) {\n      channels = channels.filter(c => c.provider === filters.provider);\n    }\n    if (filters.type) {\n      channels = channels.filter(c => c.type === filters.type);\n    }\n    if (filters.status) {\n      channels = channels.filter(c => c.status === filters.status);\n    }\n    if (filters.verified !== undefined) {\n      const targetStatus = filters.verified ? VerificationStatus.VERIFIED : VerificationStatus.PENDING;\n      channels = channels.filter(c => c.verification.status === targetStatus);\n    }\n    if (filters.createdAfter) {\n      channels = channels.filter(c => c.createdAt >= filters.createdAfter!);\n    }\n    if (filters.createdBefore) {\n      channels = channels.filter(c => c.createdAt <= filters.createdBefore!);\n    }\n\n    // Exclude soft deleted channels unless specifically requested\n    if (!filters.status || filters.status !== ChannelStatus.DELETED) {\n      channels = channels.filter(c => c.status !== ChannelStatus.DELETED);\n    }\n\n    // Apply sorting\n    const sortBy = pagination.sortBy || 'createdAt';\n    const sortOrder = pagination.sortOrder || 'desc';\n    \n    channels.sort((a, b) => {\n      let aValue: any, bValue: any;\n      \n      switch (sortBy) {\n        case 'name':\n          aValue = a.name;\n          bValue = b.name;\n          break;\n        case 'createdAt':\n          aValue = a.createdAt.getTime();\n          bValue = b.createdAt.getTime();\n          break;\n        case 'updatedAt':\n          aValue = a.updatedAt.getTime();\n          bValue = b.updatedAt.getTime();\n          break;\n        default:\n          aValue = a.createdAt.getTime();\n          bValue = b.createdAt.getTime();\n      }\n\n      if (sortOrder === 'asc') {\n        return aValue < bValue ? -1 : aValue > bValue ? 1 : 0;\n      } else {\n        return aValue > bValue ? -1 : aValue < bValue ? 1 : 0;\n      }\n    });\n\n    // Apply pagination\n    const total = channels.length;\n    const limit = Math.min(pagination.limit, this.options.maxPageSize!);\n    const page = Math.max(1, pagination.page);\n    const offset = (page - 1) * limit;\n    const paginatedChannels = channels.slice(offset, offset + limit);\n\n    return {\n      data: paginatedChannels,\n      total,\n      page,\n      limit,\n      totalPages: Math.ceil(total / limit),\n      hasNext: offset + limit < total,\n      hasPrev: page > 1\n    };\n  }\n\n  // Sender Number CRUD Operations\n  async createSenderNumber(\n    channelId: string,\n    request: SenderNumberCreateRequest,\n    userId?: string\n  ): Promise<SenderNumber> {\n    const channel = this.channels.get(channelId);\n    if (!channel) {\n      throw new Error(`Channel ${channelId} not found`);\n    }\n\n    const senderNumberId = this.generateSenderNumberId();\n    \n    const senderNumber: SenderNumber = {\n      id: senderNumberId,\n      phoneNumber: request.phoneNumber,\n      status: SenderNumberStatus.PENDING,\n      category: request.category,\n      metadata: {\n        businessName: request.businessInfo?.businessName,\n        businessRegistrationNumber: request.businessInfo?.businessRegistrationNumber,\n        contactPerson: request.businessInfo?.contactPerson,\n        contactEmail: request.businessInfo?.contactEmail,\n      },\n      createdAt: new Date(),\n      updatedAt: new Date()\n    };\n\n    this.senderNumbers.set(senderNumberId, senderNumber);\n\n    // Add to channel's sender numbers\n    channel.senderNumbers.push(senderNumber);\n    channel.updatedAt = new Date();\n\n    // Audit log\n    if (this.options.enableAuditLog) {\n      this.addAuditLog('senderNumber', senderNumberId, 'create', userId, undefined, senderNumber);\n    }\n\n    // Event emission\n    if (this.options.enableEventEmission) {\n      this.emit('senderNumber:created', { senderNumber, channelId, userId });\n    }\n\n    return senderNumber;\n  }\n\n  async getSenderNumber(senderNumberId: string, userId?: string): Promise<SenderNumber | null> {\n    const senderNumber = this.senderNumbers.get(senderNumberId);\n    \n    if (senderNumber && this.options.enableAuditLog) {\n      this.addAuditLog('senderNumber', senderNumberId, 'read', userId);\n    }\n\n    return senderNumber || null;\n  }\n\n  async updateSenderNumber(\n    senderNumberId: string,\n    updates: Partial<Omit<SenderNumber, 'id' | 'phoneNumber' | 'createdAt' | 'updatedAt'>>,\n    userId?: string\n  ): Promise<SenderNumber> {\n    const senderNumber = this.senderNumbers.get(senderNumberId);\n    if (!senderNumber) {\n      throw new Error(`Sender number ${senderNumberId} not found`);\n    }\n\n    const before = this.options.enableAuditLog ? { ...senderNumber } : undefined;\n    \n    // Apply updates\n    const updatedSenderNumber = {\n      ...senderNumber,\n      ...updates,\n      id: senderNumberId, // Ensure ID doesn't change\n      updatedAt: new Date()\n    };\n\n    this.senderNumbers.set(senderNumberId, updatedSenderNumber);\n\n    // Update in channel's sender numbers array\n    for (const channel of this.channels.values()) {\n      const index = channel.senderNumbers.findIndex(sn => sn.id === senderNumberId);\n      if (index !== -1) {\n        channel.senderNumbers[index] = updatedSenderNumber;\n        channel.updatedAt = new Date();\n        break;\n      }\n    }\n\n    // Audit log\n    if (this.options.enableAuditLog) {\n      this.addAuditLog('senderNumber', senderNumberId, 'update', userId, before, updatedSenderNumber);\n    }\n\n    // Event emission\n    if (this.options.enableEventEmission) {\n      this.emit('senderNumber:updated', { \n        senderNumber: updatedSenderNumber, \n        previousSenderNumber: senderNumber,\n        userId \n      });\n    }\n\n    return updatedSenderNumber;\n  }\n\n  async deleteSenderNumber(senderNumberId: string, userId?: string): Promise<boolean> {\n    const senderNumber = this.senderNumbers.get(senderNumberId);\n    if (!senderNumber) {\n      return false;\n    }\n\n    // Remove from memory\n    this.senderNumbers.delete(senderNumberId);\n\n    // Remove from channel's sender numbers array\n    for (const channel of this.channels.values()) {\n      const index = channel.senderNumbers.findIndex(sn => sn.id === senderNumberId);\n      if (index !== -1) {\n        channel.senderNumbers.splice(index, 1);\n        channel.updatedAt = new Date();\n        break;\n      }\n    }\n\n    // Audit log\n    if (this.options.enableAuditLog) {\n      this.addAuditLog('senderNumber', senderNumberId, 'delete', userId, senderNumber);\n    }\n\n    // Event emission\n    if (this.options.enableEventEmission) {\n      this.emit('senderNumber:deleted', { senderNumber, userId });\n    }\n\n    return true;\n  }\n\n  async listSenderNumbers(\n    filters: SenderNumberFilters = {},\n    pagination: PaginationOptions = { page: 1, limit: this.options.defaultPageSize! }\n  ): Promise<PaginatedResult<SenderNumber>> {\n    let senderNumbers = Array.from(this.senderNumbers.values());\n\n    // Apply filters\n    if (filters.channelId) {\n      const channel = this.channels.get(filters.channelId);\n      if (channel) {\n        senderNumbers = channel.senderNumbers;\n      } else {\n        senderNumbers = [];\n      }\n    }\n    if (filters.status) {\n      senderNumbers = senderNumbers.filter(sn => sn.status === filters.status);\n    }\n    if (filters.category) {\n      senderNumbers = senderNumbers.filter(sn => sn.category === filters.category);\n    }\n    if (filters.verified !== undefined) {\n      if (filters.verified) {\n        senderNumbers = senderNumbers.filter(sn => sn.status === SenderNumberStatus.VERIFIED);\n      } else {\n        senderNumbers = senderNumbers.filter(sn => sn.status !== SenderNumberStatus.VERIFIED);\n      }\n    }\n\n    // Apply sorting\n    const sortBy = pagination.sortBy || 'createdAt';\n    const sortOrder = pagination.sortOrder || 'desc';\n    \n    senderNumbers.sort((a, b) => {\n      let aValue: any, bValue: any;\n      \n      switch (sortBy) {\n        case 'phoneNumber':\n          aValue = a.phoneNumber;\n          bValue = b.phoneNumber;\n          break;\n        case 'createdAt':\n          aValue = a.createdAt.getTime();\n          bValue = b.createdAt.getTime();\n          break;\n        case 'updatedAt':\n          aValue = a.updatedAt.getTime();\n          bValue = b.updatedAt.getTime();\n          break;\n        default:\n          aValue = a.createdAt.getTime();\n          bValue = b.createdAt.getTime();\n      }\n\n      if (sortOrder === 'asc') {\n        return aValue < bValue ? -1 : aValue > bValue ? 1 : 0;\n      } else {\n        return aValue > bValue ? -1 : aValue < bValue ? 1 : 0;\n      }\n    });\n\n    // Apply pagination\n    const total = senderNumbers.length;\n    const limit = Math.min(pagination.limit, this.options.maxPageSize!);\n    const page = Math.max(1, pagination.page);\n    const offset = (page - 1) * limit;\n    const paginatedSenderNumbers = senderNumbers.slice(offset, offset + limit);\n\n    return {\n      data: paginatedSenderNumbers,\n      total,\n      page,\n      limit,\n      totalPages: Math.ceil(total / limit),\n      hasNext: offset + limit < total,\n      hasPrev: page > 1\n    };\n  }\n\n  // Audit and Analytics\n  getAuditLogs(\n    entityType?: 'channel' | 'senderNumber',\n    entityId?: string,\n    limit: number = 100\n  ): AuditLogEntry[] {\n    let logs = [...this.auditLogs];\n\n    if (entityType) {\n      logs = logs.filter(log => log.entityType === entityType);\n    }\n    if (entityId) {\n      logs = logs.filter(log => log.entityId === entityId);\n    }\n\n    return logs\n      .sort((a, b) => b.timestamp.getTime() - a.timestamp.getTime())\n      .slice(0, limit);\n  }\n\n  getStatistics(): {\n    channels: {\n      total: number;\n      byStatus: Record<string, number>;\n      byType: Record<string, number>;\n      byProvider: Record<string, number>;\n    };\n    senderNumbers: {\n      total: number;\n      byStatus: Record<string, number>;\n      byCategory: Record<string, number>;\n    };\n  } {\n    const channels = Array.from(this.channels.values());\n    const senderNumbers = Array.from(this.senderNumbers.values());\n\n    const channelsByStatus: Record<string, number> = {};\n    const channelsByType: Record<string, number> = {};\n    const channelsByProvider: Record<string, number> = {};\n\n    channels.forEach(channel => {\n      channelsByStatus[channel.status] = (channelsByStatus[channel.status] || 0) + 1;\n      channelsByType[channel.type] = (channelsByType[channel.type] || 0) + 1;\n      channelsByProvider[channel.provider] = (channelsByProvider[channel.provider] || 0) + 1;\n    });\n\n    const senderNumbersByStatus: Record<string, number> = {};\n    const senderNumbersByCategory: Record<string, number> = {};\n\n    senderNumbers.forEach(senderNumber => {\n      senderNumbersByStatus[senderNumber.status] = (senderNumbersByStatus[senderNumber.status] || 0) + 1;\n      senderNumbersByCategory[senderNumber.category] = (senderNumbersByCategory[senderNumber.category] || 0) + 1;\n    });\n\n    return {\n      channels: {\n        total: channels.length,\n        byStatus: channelsByStatus,\n        byType: channelsByType,\n        byProvider: channelsByProvider\n      },\n      senderNumbers: {\n        total: senderNumbers.length,\n        byStatus: senderNumbersByStatus,\n        byCategory: senderNumbersByCategory\n      }\n    };\n  }\n\n  // Cleanup and Maintenance\n  cleanup(): {\n    deletedChannels: number;\n    expiredAuditLogs: number;\n  } {\n    let deletedChannels = 0;\n    let expiredAuditLogs = 0;\n\n    // Clean up soft-deleted channels older than 30 days\n    const thirtyDaysAgo = new Date(Date.now() - 30 * 24 * 60 * 60 * 1000);\n    \n    for (const [id, channel] of this.channels) {\n      if (channel.status === ChannelStatus.DELETED && channel.updatedAt < thirtyDaysAgo) {\n        this.channels.delete(id);\n        deletedChannels++;\n      }\n    }\n\n    // Clean up audit logs older than 90 days\n    const ninetyDaysAgo = new Date(Date.now() - 90 * 24 * 60 * 60 * 1000);\n    const originalLogCount = this.auditLogs.length;\n    this.auditLogs = this.auditLogs.filter(log => log.timestamp >= ninetyDaysAgo);\n    expiredAuditLogs = originalLogCount - this.auditLogs.length;\n\n    return { deletedChannels, expiredAuditLogs };\n  }\n\n  destroy(): void {\n    if (this.cleanupTimer) {\n      clearInterval(this.cleanupTimer);\n      this.cleanupTimer = undefined;\n    }\n    \n    this.removeAllListeners();\n    this.channels.clear();\n    this.senderNumbers.clear();\n    this.auditLogs = [];\n  }\n\n  private addAuditLog(\n    entityType: 'channel' | 'senderNumber',\n    entityId: string,\n    action: AuditLogEntry['action'],\n    userId?: string,\n    before?: any,\n    after?: any\n  ): void {\n    const auditLog: AuditLogEntry = {\n      id: this.generateAuditLogId(),\n      entityType,\n      entityId,\n      action,\n      userId,\n      timestamp: new Date(),\n      changes: before || after ? { before, after } : undefined\n    };\n\n    this.auditLogs.push(auditLog);\n\n    // Keep only last 10000 audit logs to prevent memory issues\n    if (this.auditLogs.length > 10000) {\n      this.auditLogs = this.auditLogs.slice(-10000);\n    }\n  }\n\n  private getDefaultLimits(channelType: ChannelType) {\n    switch (channelType) {\n      case ChannelType.KAKAO_ALIMTALK:\n        return {\n          dailyMessageLimit: 10000,\n          monthlyMessageLimit: 300000,\n          rateLimit: 10\n        };\n      case ChannelType.KAKAO_FRIENDTALK:\n        return {\n          dailyMessageLimit: 1000,\n          monthlyMessageLimit: 30000,\n          rateLimit: 5\n        };\n      case ChannelType.SMS:\n      case ChannelType.LMS:\n      case ChannelType.MMS:\n        return {\n          dailyMessageLimit: 1000,\n          monthlyMessageLimit: 30000,\n          rateLimit: 3\n        };\n      default:\n        return {\n          dailyMessageLimit: 1000,\n          monthlyMessageLimit: 30000,\n          rateLimit: 1\n        };\n    }\n  }\n\n  private getDefaultFeatures(channelType: ChannelType) {\n    switch (channelType) {\n      case ChannelType.KAKAO_ALIMTALK:\n        return {\n          supportsBulkSending: true,\n          supportsScheduling: true,\n          supportsButtons: true,\n          maxButtonCount: 5\n        };\n      case ChannelType.KAKAO_FRIENDTALK:\n        return {\n          supportsBulkSending: true,\n          supportsScheduling: true,\n          supportsButtons: false,\n          maxButtonCount: 0\n        };\n      default:\n        return {\n          supportsBulkSending: false,\n          supportsScheduling: false,\n          supportsButtons: false,\n          maxButtonCount: 0\n        };\n    }\n  }\n\n  private startAutoCleanup(): void {\n    this.cleanupTimer = setInterval(() => {\n      this.cleanup();\n    }, this.options.cleanupInterval!);\n  }\n\n  private generateChannelId(): string {\n    return `ch_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;\n  }\n\n  private generateSenderNumberId(): string {\n    return `sn_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;\n  }\n\n  private generateAuditLogId(): string {\n    return `audit_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;\n  }\n}","/**\n * Permission Management System\n * 채널 및 발신번호 액세스 권한 관리\n */\n\nimport { EventEmitter } from 'events';\n\nexport interface User {\n  id: string;\n  email: string;\n  name: string;\n  roles: Role[];\n  isActive: boolean;\n  createdAt: Date;\n  updatedAt: Date;\n}\n\nexport interface Role {\n  id: string;\n  name: string;\n  permissions: Permission[];\n  description?: string;\n  isSystem: boolean;\n  createdAt: Date;\n  updatedAt: Date;\n}\n\nexport interface Permission {\n  id: string;\n  resource: ResourceType;\n  action: ActionType;\n  scope: PermissionScope;\n  conditions?: PermissionCondition[];\n}\n\nexport enum ResourceType {\n  CHANNEL = 'channel',\n  SENDER_NUMBER = 'senderNumber',\n  TEMPLATE = 'template',\n  MESSAGE = 'message',\n  USER = 'user',\n  ROLE = 'role',\n  AUDIT_LOG = 'auditLog',\n  ANALYTICS = 'analytics'\n}\n\nexport enum ActionType {\n  CREATE = 'create',\n  READ = 'read',\n  UPDATE = 'update',\n  DELETE = 'delete',\n  VERIFY = 'verify',\n  SUSPEND = 'suspend',\n  ACTIVATE = 'activate',\n  SEND = 'send',\n  MANAGE = 'manage'\n}\n\nexport enum PermissionScope {\n  GLOBAL = 'global',\n  ORGANIZATION = 'organization',\n  TEAM = 'team',\n  PERSONAL = 'personal'\n}\n\nexport interface PermissionCondition {\n  field: string;\n  operator: 'equals' | 'not_equals' | 'in' | 'not_in' | 'contains' | 'starts_with';\n  value: any;\n}\n\nexport interface AccessContext {\n  userId: string;\n  organizationId?: string;\n  teamId?: string;\n  resourceOwnerId?: string;\n  metadata?: Record<string, any>;\n}\n\nexport interface PermissionCheck {\n  userId: string;\n  resource: ResourceType;\n  action: ActionType;\n  resourceId?: string;\n  context?: AccessContext;\n}\n\nexport interface PermissionResult {\n  granted: boolean;\n  reason?: string;\n  matchedPermissions: Permission[];\n  deniedReasons: string[];\n}\n\nexport class PermissionManager extends EventEmitter {\n  private users = new Map<string, User>();\n  private roles = new Map<string, Role>();\n  private userRoleCache = new Map<string, Set<string>>();\n  private permissionCache = new Map<string, PermissionResult>();\n  private cacheExpiry = new Map<string, number>();\n\n  private readonly CACHE_DURATION = 5 * 60 * 1000; // 5 minutes\n\n  constructor()