// Types pour les collections MongoDB LibreChat (structure réelle)
export interface LibreChatUser extends Record<string, unknown> {
  _id: string;
  name: string;
  username: string;
  email: string;
  emailVerified: boolean;
  password: string;
  avatar: string | null;
  provider: string;
  role: 'ADMIN' | 'USER';
  plugins: unknown[];
  twoFactorEnabled: boolean;
  termsAccepted: boolean;
  personalization: {
    memories: boolean;
    _id: string;
  };
  backupCodes: unknown[];
  refreshToken: unknown[];
  createdAt: Date;
  updatedAt: Date;
  __v: number;
}

export interface LibreChatConversation extends Record<string, unknown> {
  _id: string;
  conversationId: string;
  user: string; // ObjectId du user
  __v: number;
  _meiliIndex: boolean;
  agent_id: string;
  createdAt: Date;
  endpoint: string;
  endpointType: string;
  expiredAt: Date | null;
  files: unknown[];
  isArchived: boolean;
  messages: string[]; // Array d'ObjectIds
  model: string;
  resendFiles: boolean;
  tags: unknown[];
  title: string;
  updatedAt: Date;
}

export interface LibreChatMessage extends Record<string, unknown> {
  _id: string;
  messageId: string;
  user: string; // ObjectId du user
  __v: number;
  _meiliIndex: boolean;
  conversationId: string;
  createdAt: Date;
  endpoint: string;
  error: boolean;
  expiredAt: Date | null;
  isCreatedByUser: boolean;
  model: string | null;
  parentMessageId: string;
  sender: string;
  text: string;
  tokenCount: number;
  unfinished: boolean;
  updatedAt: Date;
}

export interface LibreChatTransaction extends Record<string, unknown> {
  _id: string;
  user: string; // ObjectId
  conversationId: string;
  tokenType: 'prompt' | 'completion';
  model: string;
  context: string;
  rawAmount: number;
  tokenValue: number;
  rate: number;
  createdAt: Date;
  updatedAt: Date;
  __v: number;
}

export interface LibreChatBalance extends Record<string, unknown> {
  _id: string;
  user: string; // ObjectId
  __v: number;
  autoRefillEnabled: boolean;
  lastRefill: Date;
  refillAmount: number;
  refillIntervalUnit: string;
  refillIntervalValue: number;
  tokenCredits: number;
}

// Types legacy pour compatibilité
export interface User extends Record<string, unknown> {
  _id: string;
  name: string;
  email: string;
  role: string;
  credits: number;
  isActive: boolean;
  createdAt: Date;
  lastLogin?: Date;
}

export interface Conversation extends Record<string, unknown> {
  _id: string;
  title: string;
  participants: string[];
  messageCount: number;
  status: 'active' | 'archived' | 'deleted';
  createdAt: Date;
  updatedAt: Date;
}

export interface Transaction extends Record<string, unknown> {
  _id: string;
  userId: string;
  amount: number;
  type: 'credit' | 'debit';
  description: string;
  createdAt: Date;
}

export interface Message extends Record<string, unknown> {
  _id: string;
  conversationId: string;
  userId: string;
  content: string;
  role: 'user' | 'assistant' | 'system';
  createdAt: Date;
}

export interface Balance extends Record<string, unknown> {
  _id: string;
  userId: string;
  credits: number;
  lastUpdated: Date;
}

export interface DashboardMetrics {
  totalUsers: number;
  activeUsers: number;
  totalAdmins: number;
  totalCredits: number;
  activeConversations: number;
  totalMessages: number;
  totalTokensConsumed: number;
  totalCreditsUsed: number;
  recentTransactions: Transaction[];
}

// Types pour les autres collections
export interface AccessRole extends Record<string, unknown> {
  _id: string;
  name: string;
  permissions: string[];
}

export interface Agent extends Record<string, unknown> {
  _id: string;
  name: string;
  description: string;
  category: string;
  isActive: boolean;
}

export interface File extends Record<string, unknown> {
  _id: string;
  filename: string;
  size: number;
  uploadedBy: string;
  uploadedAt: Date;
}

// Types génériques pour les collections MongoDB
export interface MongoDocument extends Record<string, unknown> {
  _id: string;
  createdAt?: Date;
  updatedAt?: Date;
}

// Type utilitaire pour les collections
export type CollectionItem = MongoDocument & Record<string, unknown>;