using System.Collections;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

namespace UIWidgets
{
	[RequireComponent(typeof(RectTransform))]
	[AddComponentMenu("UI/Tooltip", 300)]
	public class Tooltip : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler, ISelectHandler, IDeselectHandler, IEventSystemHandler
	{
		[SerializeField]
		private GameObject tooltipObject;

		[SerializeField]
		private GameObject tooltipObjectNonVR;

		[SerializeField]
		private GameObject tooltipObjectVR;

		[SerializeField]
		public float ShowDelay = 0.3f;

		public Vector2 anchoredPosition;

		public Transform canvasTransform;

		public Transform tooltipObjectParent;

		public int maxVRTextSize = 22;

		public bool fixWidthScale;

		private IEnumerator currentCorutine;

		public GameObject TooltipObject
		{
			get
			{
				return tooltipObject;
			}
			set
			{
				tooltipObject = value;
			}
		}

		private void Start()
		{
			tooltipObjectParent = tooltipObject.transform.parent;
			tooltipObjectNonVR = tooltipObject;
			if (tooltipObjectVR != null && VRManager.IsVROn())
			{
				TooltipObject = tooltipObjectVR;
			}
			else
			{
				TooltipObject = tooltipObject;
			}
			if (TooltipObject != null)
			{
				anchoredPosition = (TooltipObject.transform as RectTransform).anchoredPosition;
				if (maxVRTextSize > 0)
				{
					TooltipObject.GetComponentInChildren<Text>().resizeTextMaxSize = maxVRTextSize;
				}
				canvasTransform = Utilites.FindCanvas(tooltipObjectParent);
				TooltipObject.SetActive(false);
				tooltipObjectNonVR.SetActive(false);
				if (tooltipObjectVR != null)
				{
					tooltipObjectVR.SetActive(false);
				}
			}
		}

		private IEnumerator ShowCorutine()
		{
			yield return new WaitForSecondsRealtime(ShowDelay);
			if (canvasTransform != null)
			{
				(TooltipObject.transform as RectTransform).anchoredPosition = anchoredPosition;
				TooltipObject.transform.SetParent(canvasTransform);
			}
			TooltipObject.SetActive(true);
			if (fixWidthScale)
			{
				TooltipObject.transform.localScale = new Vector3(TooltipObject.transform.localScale.y, TooltipObject.transform.localScale.y, TooltipObject.transform.localScale.z);
			}
		}

		public void Show()
		{
			if (!(TooltipObject == null) && currentCorutine == null)
			{
				currentCorutine = ShowCorutine();
				StartCoroutine(currentCorutine);
			}
		}

		private IEnumerator HideCoroutine()
		{
			if (currentCorutine != null)
			{
				StopCoroutine(currentCorutine);
				currentCorutine = null;
			}
			if (TooltipObject != null)
			{
				TooltipObject.SetActive(false);
				if ((bool)tooltipObjectNonVR)
				{
					tooltipObjectNonVR.SetActive(false);
				}
				if ((bool)tooltipObjectVR)
				{
					tooltipObjectVR.SetActive(false);
				}
				yield return null;
				if (canvasTransform != null)
				{
					TooltipObject.transform.SetParent(tooltipObjectParent);
					(TooltipObject.transform as RectTransform).anchoredPosition = anchoredPosition;
				}
			}
		}

		public void Hide()
		{
			StartCoroutine(HideCoroutine());
		}

		public void QuickHide()
		{
			if (currentCorutine != null)
			{
				StopCoroutine(currentCorutine);
			}
			if (TooltipObject != null)
			{
				TooltipObject.SetActive(false);
				if ((bool)tooltipObjectNonVR)
				{
					tooltipObjectNonVR.SetActive(false);
				}
				if ((bool)tooltipObjectVR)
				{
					tooltipObjectVR.SetActive(false);
				}
			}
		}

		public void OnPointerEnter(PointerEventData eventData)
		{
			Show();
		}

		public void OnPointerExit(PointerEventData eventData)
		{
			Hide();
		}

		public void OnSelect(BaseEventData eventData)
		{
			Show();
		}

		public void OnDeselect(BaseEventData eventData)
		{
			Hide();
		}

		public void OnDisable()
		{
			QuickHide();
		}
	}
}