using System;
using UnityEngine;

namespace Moonlit.Utils
{
	public class Singleton<T> : MonoBehaviour where T : MonoBehaviour
	{
		private static T _Instance;

		public static bool IsInitialized
		{
			get
			{
				return _Instance != null;
			}
		}

		public static T Instance
		{
			get
			{
				TryCreate();
				return _Instance;
			}
		}

		public static void TryCreate()
		{
			if (!IsInitialized)
			{
				T[] array = UnityEngine.Object.FindObjectsOfType<T>();
				if (array != null && array.Length != 1)
				{
					throw new Exception(typeof(T).Name + ": not found on scene!");
				}
				_Instance = array[0];
			}
		}

		public static void DestroyInstance()
		{
			if (IsInitialized && _Instance != null)
			{
				UnityEngine.Object.Destroy(_Instance.gameObject);
			}
		}
	}
}