// 修改密码格式校验
import 'package:flutter/material.dart';

import '../../l10n/app_localizations.dart';

bool isValidPassword(String value) {
  final reg = RegExp(
    r'^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)[A-Za-z\d]{8,16}$',
  );
  return reg.hasMatch(value);
}

String? validateForm({
  required BuildContext context,  // 添加 context 参数
  required String phone,
  required String code,
  required String password,
  required String confirmPassword,
}) {
  final l10n = AppLocalizations.of(context)!;
  if (phone.isEmpty) return l10n.phoneNumberRequired;
  if (!RegExp(r'^1\d{10}$').hasMatch(phone)) {
    return l10n.phoneNumberInvalid;
  }

  if (code.isEmpty) return l10n.smsCodeRequired;
  if (!RegExp(r'^\d{4}$').hasMatch(code)) {
    return l10n.smsCodeInvalid;
  }

  if (password.isEmpty) return l10n.newPasswordRequired;
  if (!isValidPassword(password)) {
    return l10n.passwordFormatError;
  }

  if (confirmPassword.isEmpty) return l10n.confirmPasswordRequired;
  if (password != confirmPassword) {
    return l10n.confirmPasswordError;
  }

  return null;
}