import Taro from '@tarojs/taro';

const USER_PHONE_KEY = 'user_phone';

export function saveUserPhone(phone: string) {
  const normalized = phone.replace(/\D/g, '').slice(0, 11);
  if (!/^1[3-9]\d{9}$/.test(normalized)) return;
  try {
    Taro.setStorageSync(USER_PHONE_KEY, normalized);
  } catch {
    /* ignore */
  }
}

export function getStoredUserPhone(): string {
  try {
    const value = Taro.getStorageSync(USER_PHONE_KEY);
    return typeof value === 'string' ? value : '';
  } catch {
    return '';
  }
}