using System;
using System.Collections;
using System.Collections.Generic;
using UnityEditor;
using UnityEngine;

namespace TON
{
    public class SingletonBase<T> : MonoBehaviour where T : class
    {
        public static T Singleton
        {
            get
            {
                return _instance.Value;
            }
        }

        private static readonly Lazy<T> _instance = new Lazy<T>(() =>
           {
               T instance = FindObjectOfType(typeof(T)) as T;
               if (instance == null)
               {
                   GameObject obj = new GameObject(typeof(T).Name);
                   instance = obj.AddComponent(typeof(T)) as T;

#if UNITY_EDITOR
                   if (EditorApplication.isPlaying)
                   {
                       DontDestroyOnLoad(obj);
                   }

#else
                DontDestroyOnLoad(obj);
#endif
               }

               return instance;
           });

        protected virtual void Awake()
        {
            DontDestroyOnLoad(gameObject);
        }

    }
}