/**
 * Custom Error Classes
 */

export class AppError extends Error {
  constructor(
    message: string,
    public statusCode: number = 500,
    public code?: string
  ) {
    super(message);
    this.name = this.constructor.name;
    Error.captureStackTrace(this, this.constructor);
  }
}

export class NotFoundError extends AppError {
  constructor(message: string = 'Resource not found') {
    super(message, 404, 'NOT_FOUND');
  }
}

export class ValidationError extends AppError {
  constructor(message: string = 'Validation failed') {
    super(message, 400, 'VALIDATION_ERROR');
  }
}

export class UnauthorizedError extends AppError {
  constructor(message: string = 'Unauthorized') {
    super(message, 401, 'UNAUTHORIZED');
  }
}

export class ForbiddenError extends AppError {
  constructor(message: string = 'Forbidden') {
    super(message, 403, 'FORBIDDEN');
  }
}

export class ConflictError extends AppError {
  constructor(message: string = 'Conflict') {
    super(message, 409, 'CONFLICT');
  }
}

export class InternalError extends AppError {
  constructor(message: string = 'Internal server error') {
    super(message, 500, 'INTERNAL_ERROR');
  }
}