export default class User {
  user_id: string;
  password: string | null;
  is_guest: boolean;

  constructor(user_id: string, password: string | null, is_guest?: boolean) {
    this.user_id = user_id;
    this.password = password;
    this.is_guest = is_guest || false;
  }

  static localPart(user_id: string | null) {
    if (user_id && user_id.startsWith("@") && user_id.includes(":")) {
      const parts = user_id.split(":");
      return parts[0].substring(1);
    }
    return user_id;
  }

  static domainPart(user_id: string | null) {
    if (user_id && user_id.startsWith("@") && user_id.includes(":")) {
      const parts = user_id.split(":");
      return parts[1];
    }
    return undefined;
  }
}