using System;
using DG.Tweening;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

namespace View {
	public class UIVisibility : MonoBehaviour {
		[SerializeField] private CanvasGroup ui;
		[SerializeField] private float fadeDuration = .5f;

		private bool _wasVisible = true;
		private Tween _fadeTween;

		private void Update() {
			bool isPointerOver = EventSystem.current.IsPointerOverGameObject();
			if (_wasVisible && !isPointerOver) {
				_fadeTween?.Kill();
				_fadeTween = ui.DOFade(0, fadeDuration).SetDelay(5f);
				_wasVisible = false;
				return;
			}
			if (!_wasVisible && isPointerOver) {
				_fadeTween?.Kill();
				_fadeTween = ui.DOFade(1, fadeDuration);
				_wasVisible = true;
				return;
			}
		}
	}
}