export class AppError extends Error {
  constructor(
    message: string,
    public readonly statusCode = 500,
    public readonly details?: unknown
  ) {
    super(message);
    this.name = "AppError";
  }
}

export class NotFoundError extends AppError {
  constructor(message = "Resource not found") {
    super(message, 404);
  }
}

export class UnauthorizedError extends AppError {
  constructor(message = "Authentication required") {
    super(message, 401);
  }
}

export class ForbiddenError extends AppError {
  constructor(message = "You do not have permission to perform this action") {
    super(message, 403);
  }
}

export class ConflictError extends AppError {
  constructor(message = "Resource conflict", details?: unknown) {
    super(message, 409, details);
  }
}

export class ValidationError extends AppError {
  constructor(message = "Validation failed", details?: unknown) {
    super(message, 400, details);
  }
}