import { DomainException } from '@shared/exceptions/domain.exception';

export class PhoneNumber {
  private readonly _value: string;

  private constructor(value: string) {
    const normalized = value.replace(/\s+/g, '');
    if (!/^1[3-9]\d{9}$/.test(normalized)) {
      throw new DomainException('手机号格式错误，必须是11位中国大陆手机号');
    }
    this._value = normalized;
  }

  static create(value: string): PhoneNumber {
    return new PhoneNumber(value);
  }

  get value(): string {
    return this._value;
  }

  masked(): string {
    return this._value.replace(/(\d{3})\d{4}(\d{4})/, '$1****$2');
  }

  equals(other: PhoneNumber): boolean {
    if (!other) return false;
    return this._value === other.value;
  }

  toString(): string {
    return this.masked();
  }
}