using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

namespace EnergyBarToolkit
{
	public abstract class EnergyBarUGUIBase : EnergyBarBase
	{
		[Serializable]
		public class SpriteTex : AbstractTex
		{
			public Sprite sprite;

			public Material material;

			public SpriteTex()
			{
			}

			public SpriteTex(Sprite sprite)
			{
				this.sprite = sprite;
			}

			public override int GetHashCode()
			{
				int currentHash = 37;
				currentHash = MadHashCode.Add(currentHash, (sprite != null) ? sprite.GetInstanceID() : 0);
				currentHash = MadHashCode.Add(currentHash, (material != null) ? material.GetInstanceID() : 0);
				return MadHashCode.Add(currentHash, color);
			}
		}

		[Serializable]
		public class SpriteBind
		{
			public Image image;

			public int index;

			public SpriteBind(Image image, int index)
			{
				this.image = image;
				this.index = index;
			}
		}

		public List<SpriteTex> spritesBackground = new List<SpriteTex>();

		public List<SpriteTex> spritesForeground = new List<SpriteTex>();

		public Text label;

		public SpriteTex effectBurnSprite;

		public bool debugMode;

		[SerializeField]
		protected List<GameObject> createdChildren = new List<GameObject>(32);

		[SerializeField]
		protected List<SpriteBind> backgroundBinds = new List<SpriteBind>(16);

		[SerializeField]
		protected List<SpriteBind> foregroundBinds = new List<SpriteBind>(16);

		protected RectTransform rectTransform;

		public override Rect DrawAreaRect
		{
			get
			{
				return default(Rect);
			}
		}

		public abstract void SetNativeSize();

		protected override void OnEnable()
		{
			base.OnEnable();
			rectTransform = GetComponent<RectTransform>();
		}

		protected override void Update()
		{
			base.Update();
			UpdateLabel();
			UpdateBackgroundForegroundColor();
			if (Application.isEditor)
			{
				UpdateDebugMode(debugMode);
			}
		}

		private void UpdateBackgroundForegroundColor()
		{
			UpdateColor(backgroundBinds, spritesBackground);
			UpdateColor(foregroundBinds, spritesForeground);
		}

		private void UpdateColor(List<SpriteBind> binds, List<SpriteTex> sprites)
		{
			for (int i = 0; i < binds.Count; i++)
			{
				SpriteBind spriteBind = binds[i];
				Image image = spriteBind.image;
				int index = spriteBind.index;
				if (sprites.Count > index)
				{
					SpriteTex spriteTex = sprites[index];
					image.color = ComputeColor(spriteTex.color);
				}
			}
		}

		private void UpdateLabel()
		{
			if (label != null)
			{
				label.text = LabelFormatResolve(labelFormat);
			}
		}

		protected void BuildBackgroundImages()
		{
			BuildImagesFromList(spritesBackground, "bg_", ref backgroundBinds);
		}

		protected void BuildForegroundImages()
		{
			BuildImagesFromList(spritesForeground, "fg_", ref foregroundBinds);
		}

		private void BuildImagesFromList(List<SpriteTex> sprites, string prefix, ref List<SpriteBind> store)
		{
			for (int i = 0; i < sprites.Count; i++)
			{
				SpriteTex spriteTex = sprites[i];
				Sprite sprite = spriteTex.sprite;
				if (!(sprite == null))
				{
					Image image = CreateChild<Image>(prefix + (i + 1));
					image.sprite = sprite;
					image.material = spriteTex.material;
					image.SetNativeSize();
					image.type = GetImageType();
					image.color = spriteTex.color;
					store.Add(new SpriteBind(image, i));
				}
			}
		}

		protected virtual Image.Type GetImageType()
		{
			return Image.Type.Simple;
		}

		protected T CreateChild<T>(string childName) where T : Component
		{
			return CreateChild<T>(childName, base.transform);
		}

		protected T CreateChild<T>(string childName, Transform parent) where T : Component
		{
			T result = MadTransform.CreateChild<T>(parent, "generated_" + childName);
			createdChildren.Add(result.gameObject);
			SetAsLastGenerated(result.transform);
			ApplyDebugMode(result.gameObject, debugMode);
			return result;
		}

		private void SetAsLastGenerated(Transform child)
		{
			int num = NonGeneratedLowestIndex();
			if (num != -1)
			{
				child.SetSiblingIndex(num);
			}
			else
			{
				child.SetAsLastSibling();
			}
		}

		private int NonGeneratedLowestIndex()
		{
			int num = int.MaxValue;
			for (int i = 0; i < base.transform.childCount; i++)
			{
				Transform child = base.transform.GetChild(i);
				if (!IsGenerated(child))
				{
					num = Mathf.Min(child.GetSiblingIndex(), num);
				}
			}
			if (num == int.MaxValue)
			{
				return -1;
			}
			return num;
		}

		private bool IsGenerated(Transform child)
		{
			return child.name.StartsWith("generated_");
		}

		protected void RemoveCreatedChildren()
		{
			for (int i = 0; i < createdChildren.Count; i++)
			{
				MadGameObject.SafeDestroy(createdChildren[i]);
			}
			List<Transform> list = MadTransform.FindChildren(base.transform, (Transform c) => c.name.StartsWith("generated_"), 0);
			for (int num = 0; num < list.Count; num++)
			{
				Transform transform = list[num];
				MadGameObject.SafeDestroy(transform.gameObject);
			}
			createdChildren.Clear();
			backgroundBinds.Clear();
			foregroundBinds.Clear();
		}

		protected void SetSize(RectTransform rt, float w, float h)
		{
			SetSize(rt, new Vector2(w, h));
		}

		protected void SetSize(RectTransform rt, Vector2 size)
		{
			Rect rect = rt.rect;
			if (!Mathf.Approximately(rect.width, size.x))
			{
				rt.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, size.x);
			}
			if (!Mathf.Approximately(rect.height, size.y))
			{
				rt.SetSizeWithCurrentAnchors(RectTransform.Axis.Vertical, size.y);
			}
		}

		protected override bool IsVisible()
		{
			if (!base.IsVisible())
			{
				return false;
			}
			if (rectTransform.rect.size.x <= 0f || rectTransform.rect.size.y <= 0f)
			{
				return false;
			}
			return true;
		}

		protected void MoveLabelToTop()
		{
			if (!(label == null) && label.transform.parent == base.transform)
			{
				label.transform.SetAsLastSibling();
			}
		}

		private void UpdateDebugMode(bool value)
		{
			for (int i = 0; i < createdChildren.Count; i++)
			{
				GameObject gameObject = createdChildren[i];
				if (gameObject != null)
				{
					ApplyDebugMode(gameObject.gameObject, value);
				}
			}
		}

		private void ApplyDebugMode(GameObject gameObject, bool enabled)
		{
			gameObject.hideFlags = ((!enabled) ? HideFlags.HideInHierarchy : HideFlags.None);
		}
	}
}