using System;
using UnityEngine;

namespace DemonBoss.AI
{
	/// <summary>
	/// Tiny helper MonoBehaviour to delay a callback without coroutines.
	/// </summary>
	public sealed class DelayedInvoker : MonoBehaviour
	{
		private float _timeLeft;
		private Action _callback;

		public void Init(float delay, Action callback)
		{
			_timeLeft = delay;
			_callback = callback;
		}

		private void Update()
		{
			_timeLeft -= Time.deltaTime;
			if (_timeLeft <= 0f)
			{
				try { _callback?.Invoke(); }
				finally { Destroy(this); }
			}
		}
	}
}