using UnityEngine;

namespace Assets.Scripts
{
    public class SingletonMB<T> : MonoBehaviour where T : SingletonMB<T>
    {
        private static T instance;
        private static readonly object lockObject = new object();
        protected static bool Instantiated { get; private set; } = false;

        public static T Instance
        {
            get
            {
                //lock (lockObject)
                //{
                    if (instance == null)
                    {
                        instance = FindObjectOfType<T>();

                        if (instance == null)
                        {
                            GameObject obj = new GameObject();
                            obj.name = typeof(T).Name;
                            instance = obj.AddComponent<T>();
                            Instantiated = true;
                        }
                    }

                    return instance;
                //}
            }
        }

        protected virtual void Awake()
        {
            Debug.Log($"{typeof(T).Name} singleton component Loaded");
            //lock (lockObject)
            //{
                if (instance == null)
                {
                    instance = this as T;
//                    DontDestroyOnLoad(gameObject);
                }
                else if (instance != this)
                {
                    Destroy(gameObject);
                    return;
                }
                Instantiated = true;
            //}
        }
    }
}