using System.Collections.Generic;
using UnityEngine;
public static class PlayerPrefsKeys
{
    private const string KeyRegistry = "_AllPlayerPrefsKeys";

    public static void RegisterKey(string key)
    {
        var keys = PlayerPrefs.GetString(KeyRegistry, "");
        if (!keys.Contains(key))
        {
            keys += key + ";";
            SafePlayerPrefs.SetString(KeyRegistry, keys);
            PlayerPrefs.Save();
        }
    }

    public static List<string> GetAllKeys()
    {
        var keysString = PlayerPrefs.GetString(KeyRegistry, "");
        return new List<string>(keysString.Split(';', System.StringSplitOptions.RemoveEmptyEntries));
    }
}