client/src/utils/storage.ts

import { v4 as uuidv4 } from 'uuid';

const STORAGE_KEY = 'partygames_user_v1';

export interface UserProfile {
  userId: string;
  username: string;
  avatar: string;
}

export const getUserProfile = (): UserProfile | null => {
  if (typeof window === 'undefined') return null;
  const stored = localStorage.getItem(STORAGE_KEY);
  return stored ? JSON.parse(stored) : null;
};

export const saveUserProfile = (username: string, avatar: string): UserProfile => {
  const existing = getUserProfile();
  const profile: UserProfile = {
    userId: existing?.userId || uuidv4(),
    username,
    avatar
  };
  localStorage.setItem(STORAGE_KEY, JSON.stringify(profile));
  return profile;
};