// /utils/userProfile.js
'use strict';

const ALLOWED_GENDERS = ['male', 'female'];

const mergeFullName = (name, surname) => {
  const parts = [name, surname].map((v) => (v == null ? '' : String(v).trim())).filter(Boolean);
  return parts.join(' ').trim();
};

const normalizeGender = (value) => {
  if (value == null || value === '') return undefined;
  const g = String(value).trim().toLowerCase();
  if (ALLOWED_GENDERS.includes(g)) return g;
  if (g === 'مرد' || g === 'آقا') return 'male';
  if (g === 'زن' || g === 'خانم') return 'female';
  return undefined;
};

module.exports = {
  ALLOWED_GENDERS,
  mergeFullName,
  normalizeGender
};