// === ENUMS COHÉRENTS ===
export enum UserType {
  HUB = 'HUB',
  MERCHANT_PARTNER = 'MERCHANT'
}

export enum UserRole {
  // Rôles Hub (sans merchantPartnerId)
  DCB_ADMIN = 'dcb-admin',
  DCB_SUPPORT = 'dcb-support',
  DCB_PARTNER = 'dcb-partner',
  
  // Rôles Merchant Partner (avec merchantPartnerId obligatoire)
  DCB_PARTNER_ADMIN = 'dcb-partner-admin',
  DCB_PARTNER_MANAGER = 'dcb-partner-manager',
  DCB_PARTNER_SUPPORT = 'dcb-partner-support'
}

export enum MerchantStatus {
  ACTIVE = 'ACTIVE',
  INACTIVE = 'INACTIVE',
  PENDING = 'PENDING',
  SUSPENDED = 'SUSPENDED'
}

export enum ConfigType {
  API_KEY = 'API_KEY',
  SECRET_KEY = 'SECRET_KEY',
  WEBHOOK_URL = 'WEBHOOK_URL',
  CALLBACK_URL = 'CALLBACK_URL',
  TIMEOUT = 'TIMEOUT',
  RETRY_COUNT = 'RETRY_COUNT',
  CUSTOM = 'CUSTOM'
}

export enum Operator {
  ORANGE_CI = 1,
  MTN_CI = 2,
  MOOV_CI = 3,
  WAVE = 4
}

// === MODÈLES PRINCIPAUX ===
export interface MerchantConfig {
  id?: number;
  name: ConfigType | string;
  value: string;
  operatorId: Operator;
  merchantId?: number;
  createdAt?: string;
  updatedAt?: string;
}

export interface TechnicalContact {
  id?: number;
  firstName: string;
  lastName: string;
  phone: string;
  email: string;
  merchantId?: number;
  createdAt?: string;
  updatedAt?: string;
}

export interface MerchantUser {
  userId: string;
  role: UserRole; // Utilisation de vos rôles existants
  username?: string;
  email?: string;
  firstName?: string;
  lastName?: string;
  merchantPartnerId?: number;
}

export interface Merchant {
  id?: number;
  name: string;
  logo?: string;
  description?: string;
  adresse: string;
  phone: string;
  status?: MerchantStatus;
  configs: MerchantConfig[];
  users: MerchantUser[];
  technicalContacts: TechnicalContact[];
  createdAt?: string;
  updatedAt?: string;
  createdBy?: string;
  createdByUsername?: string;
}

// === DTOs CRUD ===
export interface CreateMerchantDto {
  name: string;
  logo?: string;
  description?: string;
  adresse: string;
  phone: string;
  configs: Omit<MerchantConfig, 'id' | 'merchantId' | 'createdAt' | 'updatedAt'>[];
  technicalContacts: Omit<TechnicalContact, 'id' | 'merchantId' | 'createdAt' | 'updatedAt'>[];
}

export interface UpdateMerchantDto extends Partial<CreateMerchantDto> {
  status?: MerchantStatus;
}

export interface AddUserToMerchantDto {
  userId: string;
  role: UserRole; // Utilisation de vos rôles existants
  merchantPartnerId: number;
}

export interface UpdateUserRoleDto {
  role: UserRole; // Utilisation de vos rôles existants
}

// === RÉPONSES API ===
export interface ApiResponse<T> {
  success: boolean;
  data?: T;
  error?: string;
  message?: string;
}

export interface PaginatedResponse<T> {
  items: T[];
  total: number;
  page: number;
  limit: number;
  totalPages: number;
}

export interface MerchantStatsResponse {
  totalMerchants: number;
  activeMerchants: number;
  inactiveMerchants: number;
  pendingMerchants: number;
  totalConfigs: number;
  totalTechnicalContacts: number;
}

// === SEARCH ===
export interface SearchMerchantsParams {
  query?: string;
  status?: MerchantStatus;
  page?: number;
  limit?: number;
}

// === UTILITAIRES ===
export class MerchantUtils {
  static getStatusDisplayName(status: MerchantStatus): string {
    const statusNames = {
      [MerchantStatus.ACTIVE]: 'Actif',
      [MerchantStatus.INACTIVE]: 'Inactif',
      [MerchantStatus.PENDING]: 'En attente',
      [MerchantStatus.SUSPENDED]: 'Suspendu'
    };
    return statusNames[status] || status;
  }

  static getStatusBadgeClass(status: MerchantStatus): string {
    const statusClasses = {
      [MerchantStatus.ACTIVE]: 'badge bg-success',
      [MerchantStatus.INACTIVE]: 'badge bg-secondary',
      [MerchantStatus.PENDING]: 'badge bg-warning',
      [MerchantStatus.SUSPENDED]: 'badge bg-danger'
    };
    return statusClasses[status] || 'badge bg-secondary';
  }

  static getOperatorName(operatorId: Operator): string {
    const operatorNames = {
      [Operator.ORANGE_CI]: 'Orange CI',
      [Operator.MTN_CI]: 'MTN CI',
      [Operator.MOOV_CI]: 'Moov CI',
      [Operator.WAVE]: 'Wave'
    };
    return operatorNames[operatorId] || 'Inconnu';
  }

  static getConfigTypeName(configName: ConfigType | string): string {
    const configTypeNames = {
      [ConfigType.API_KEY]: 'Clé API',
      [ConfigType.SECRET_KEY]: 'Clé Secrète',
      [ConfigType.WEBHOOK_URL]: 'URL Webhook',
      [ConfigType.CALLBACK_URL]: 'URL Callback',
      [ConfigType.TIMEOUT]: 'Timeout (ms)',
      [ConfigType.RETRY_COUNT]: 'Nombre de tentatives',
      [ConfigType.CUSTOM]: 'Personnalisé'
    };
    return configTypeNames[configName as ConfigType] || configName;
  }

  static validateMerchantCreation(merchant: CreateMerchantDto): string[] {
    const errors: string[] = [];
    
    if (!merchant.name?.trim()) {
      errors.push('Le nom du merchant est requis');
    }
    
    if (!merchant.adresse?.trim()) {
      errors.push('L\'adresse est requise');
    }
    
    if (!merchant.phone?.trim()) {
      errors.push('Le téléphone est requis');
    }
    
    if (!merchant.technicalContacts || merchant.technicalContacts.length === 0) {
      errors.push('Au moins un contact technique est requis');
    }
    
    if (!merchant.configs || merchant.configs.length === 0) {
      errors.push('Au moins une configuration est requise');
    }
    
    return errors;
  }

  // Méthode pour obtenir les rôles disponibles pour les merchants
  static getAvailableMerchantRoles(): UserRole[] {
    return [
      UserRole.DCB_PARTNER_ADMIN,
      UserRole.DCB_PARTNER_MANAGER,
      UserRole.DCB_PARTNER_SUPPORT
    ];
  }

  // Vérifier si un rôle est valide pour un merchant
  static isValidMerchantRole(role: UserRole): boolean {
    const merchantRoles = [
      UserRole.DCB_PARTNER_ADMIN,
      UserRole.DCB_PARTNER_MANAGER,
      UserRole.DCB_PARTNER_SUPPORT
    ];
    return merchantRoles.includes(role);
  }
}