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

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

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

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

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

export class RateLimitError extends AppError {
  constructor(message = 'Too many requests', code = 'RATE_LIMITED') {
    super(message, 429, code);
  }
}

export class NotFoundError extends AppError {
  constructor(message = 'Not found', code = 'NOT_FOUND') {
    super(message, 404, code);
  }
}