using UnityEngine;
using UnityEngine.UI;

namespace Michsky.UI.MTP
{
	[RequireComponent(typeof(Image))]
	public class ImageItem : MonoBehaviour
	{
		[Header("Resources")]
		public string itemID = "Item ID";

		public StyleManager styleManager;

		public Image imageObject;

		public UIGradient gradientComponent;

		[Header("Color Settings")]
		public bool preferGradient;

		public Color imageColor = new Color(255f, 255f, 255f, 255f);

		public Gradient imageGradient;

		[Header("Thickness Settings")]
		public bool enableThickness;

		public bool isHorizontal = true;

		[Range(1f, 50f)]
		public float thickness;

		[Header("Twin Settings")]
		public bool isIdentical;

		public bool updateSubTwins;

		public ImageItem twinObject;

		private void Start()
		{
			if (imageObject == null)
			{
				imageObject = base.gameObject.GetComponent<Image>();
			}
			if (styleManager != null && styleManager.forceUpdate)
			{
				UpdateAll();
			}
		}

		public void UpdateAll()
		{
			UpdateSprite();
			UpdateColor();
			if (isIdentical && updateSubTwins)
			{
				twinObject.UpdateAll();
			}
		}

		public void UpdateSprite()
		{
			if (!enableThickness)
			{
				return;
			}
			if (isHorizontal)
			{
				imageObject.rectTransform.sizeDelta = new Vector2(thickness, imageObject.rectTransform.sizeDelta.y);
				if (isIdentical)
				{
					twinObject.thickness = thickness;
				}
			}
			else
			{
				imageObject.rectTransform.sizeDelta = new Vector2(imageObject.rectTransform.sizeDelta.x, thickness);
				if (isIdentical)
				{
					twinObject.thickness = thickness;
				}
			}
		}

		public void UpdateColor()
		{
			if (!preferGradient)
			{
				imageObject.color = imageColor;
				if (gradientComponent != null)
				{
					gradientComponent.enabled = false;
				}
				if (isIdentical && twinObject != null)
				{
					twinObject.preferGradient = false;
					twinObject.imageColor = imageColor;
					if (twinObject.gradientComponent != null)
					{
						twinObject.gradientComponent.enabled = false;
					}
				}
			}
			else if (preferGradient && gradientComponent != null)
			{
				imageObject.color = new Color(255f, 255f, 255f, 255f);
				gradientComponent.enabled = true;
				gradientComponent.EffectGradient = imageGradient;
				if (isIdentical && twinObject != null)
				{
					twinObject.preferGradient = true;
					twinObject.imageObject.color = new Color(255f, 255f, 255f, 255f);
					twinObject.gradientComponent.enabled = true;
					twinObject.imageGradient = imageGradient;
				}
			}
		}
	}
}