using System;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.Events;
using UnityEngine.UI;

public class Hover : MonoBehaviour, IPointerEnterHandler, IEventSystemHandler, IPointerExitHandler, IPointerClickHandler
{
	public Sprite normalImage;

	public Color normalColor = Color.white;

	public Sprite hoverImage;

	public Color hoverColor = Color.white;

	public Sprite selectImage;

	public Color selectColor = Color.white;

	public bool useSelected = true;

	public bool selectOnStart;

	public bool isSelected;

	public Text[] useHighlightText;

	public Color normalHighlightTextColor;

	public Color highlightTextColor;

	private bool isHover;

	private Image currImage;

	private Button currButton;

	public AudioSource hoverAudioSource;

	[Header("Script already has sound events, dont add more")]
	[Space(10f)]
	public UnityEvent OnUIHover;

	public static event Action OnUIHoverGlobal;

	private void Start()
	{
		currImage = GetComponent<Image>();
		currButton = GetComponent<Button>();
		if ((bool)currButton)
		{
			base.enabled = currButton.interactable;
		}
		if (normalImage != null)
		{
			currImage.sprite = normalImage;
		}
		currImage.color = normalColor;
		if (selectOnStart && useSelected)
		{
			if (selectImage != null)
			{
				currImage.sprite = selectImage;
			}
			currImage.color = selectColor;
			isSelected = true;
		}
	}

	private void Update()
	{
		if (isSelected && useSelected)
		{
			if ((bool)selectImage)
			{
				if (selectImage != currImage.sprite)
				{
					currImage.sprite = selectImage;
					currImage.color = selectColor;
					HighLightText(enable: true);
				}
			}
			else if (currImage.color != selectColor)
			{
				currImage.color = selectColor;
				HighLightText(enable: true);
			}
		}
		else
		{
			if (isHover)
			{
				return;
			}
			if ((bool)selectImage)
			{
				if (selectImage == currImage.sprite)
				{
					if ((bool)normalImage)
					{
						currImage.sprite = normalImage;
					}
					currImage.color = normalColor;
				}
			}
			else if (currImage.color != normalColor)
			{
				currImage.color = normalColor;
			}
		}
	}

	private void HighLightText(bool enable)
	{
		for (int i = 0; i < useHighlightText.Length; i++)
		{
			if (enable)
			{
				useHighlightText[i].color = highlightTextColor;
			}
			else
			{
				useHighlightText[i].color = normalHighlightTextColor;
			}
		}
	}

	public void OnPointerClick(PointerEventData pointerEventData)
	{
		if (useSelected)
		{
			UnCheckAllButtonsInParent();
			if (selectImage != null)
			{
				currImage.sprite = selectImage;
			}
			currImage.color = selectColor;
			isSelected = true;
		}
	}

	public void OnPointerEnter(PointerEventData pointerEventData)
	{
		HighLightText(enable: true);
		if (hoverImage != null)
		{
			currImage.sprite = hoverImage;
		}
		currImage.color = hoverColor;
		playHoverSound();
		isHover = true;
	}

	public void OnPointerExit(PointerEventData pointerEventData)
	{
		UnSelect();
	}

	public void UnSelect()
	{
		if (isSelected && useSelected)
		{
			HighLightText(enable: true);
		}
		else
		{
			HighLightText(enable: false);
		}
		isHover = false;
		if ((!isSelected || !useSelected) && (bool)currImage)
		{
			if (normalImage != null)
			{
				currImage.sprite = normalImage;
			}
			currImage.color = normalColor;
		}
	}

	private void UnCheckAllButtonsInParent()
	{
		Hover[] componentsInChildren = base.transform.parent.GetComponentsInChildren<Hover>();
		foreach (Hover hover in componentsInChildren)
		{
			if (hover.enabled)
			{
				hover.isSelected = false;
				if (!hover.isHover)
				{
					hover.HighLightText(enable: false);
				}
			}
		}
	}

	private void playHoverSound()
	{
		if (!(hoverAudioSource == null) && GetComponent<Image>().enabled)
		{
			Hover.OnUIHoverGlobal?.Invoke();
		}
	}
}