using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.Versioning;
using BepInEx;
using BepInEx.Bootstrap;
using BepInEx.Logging;
using HarmonyLib;
using Microsoft.CodeAnalysis;
using UnityEngine;
using UnityEngine.SceneManagement;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: TargetFramework(".NETStandard,Version=v2.1", FrameworkDisplayName = ".NET Standard 2.1")]
[assembly: AssemblyCompany("MultiCustomizer")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0")]
[assembly: AssemblyProduct("MultiCustomizer")]
[assembly: AssemblyTitle("MultiCustomizer")]
[assembly: AssemblyVersion("1.0.0.0")]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableAttribute : Attribute
	{
		public readonly byte[] NullableFlags;

		public NullableAttribute(byte P_0)
		{
			NullableFlags = new byte[1] { P_0 };
		}

		public NullableAttribute(byte[] P_0)
		{
			NullableFlags = P_0;
		}
	}
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	[AttributeUsage(AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Method | AttributeTargets.Interface | AttributeTargets.Delegate, AllowMultiple = false, Inherited = false)]
	internal sealed class NullableContextAttribute : Attribute
	{
		public readonly byte Flag;

		public NullableContextAttribute(byte P_0)
		{
			Flag = P_0;
		}
	}
}
namespace MultiCustomizer
{
	public class MaterialConditional
	{
		public TextureState state;

		private bool isActive;

		public Action<TextureState, bool> ActivityChangedEvent;

		public bool IsActive
		{
			get
			{
				return isActive;
			}
			set
			{
				if (value != isActive)
				{
					isActive = value;
					ActivityChangedEvent?.Invoke(state, isActive);
				}
			}
		}

		public MaterialConditional(TextureState state)
		{
			this.state = state;
		}
	}
	public class TextureState
	{
		public string Name { get; }

		public Dictionary<Material, Texture> MaterialsToTextures { get; }

		public TextureState(string name)
		{
			Name = name;
			MaterialsToTextures = new Dictionary<Material, Texture>();
		}
	}
	[BepInPlugin("com.unniisme.MultiCustomizer", "MultiCustomizer", "1.0.0")]
	public class MultiCustomizer : BaseUnityPlugin
	{
		internal static ManualLogSource Logger;

		internal static object _multiCustomizerLock = new object();

		private static readonly Dictionary<string, TextureState> TextureStates = new Dictionary<string, TextureState>();

		private static readonly List<TextureState> ActiveStates = new List<TextureState>();

		private static TextureState defaultTextureState = new TextureState("");

		private static TextureState currentTextureState = defaultTextureState;

		private void Awake()
		{
			Logger = ((BaseUnityPlugin)this).Logger;
			Logger.LogInfo((object)"Plugin MultiCustomizer loaded");
			Harmony.CreateAndPatchAll(typeof(MultiCustomizer), (string)null);
			if (Chainloader.PluginInfos.ContainsKey("customizer"))
			{
				Logger.LogError((object)"Detected customizer. Error: MultiCustomizer is not compatable with Customizer");
				Logger.LogError((object)"Aborting MultiCustomizer");
			}
			else
			{
				SceneManager.sceneLoaded += OnSceneLoaded;
			}
		}

		private static void OnSceneLoaded(Scene scene, LoadSceneMode mode)
		{
			LoadTextures();
			Logger.LogInfo((object)("Loaded scene: " + ((Scene)(ref scene)).name));
		}

		private void OnDestroy()
		{
			SceneManager.sceneLoaded -= OnSceneLoaded;
		}

		public static MaterialConditional AddTexturePack(string name)
		{
			TextureState textureState = new TextureState(name);
			MaterialConditional materialConditional = new MaterialConditional(textureState);
			materialConditional.ActivityChangedEvent = (Action<TextureState, bool>)Delegate.Combine(materialConditional.ActivityChangedEvent, new Action<TextureState, bool>(HandleMaterialConditional));
			TextureStates.Add(name, textureState);
			return materialConditional;
		}

		private static void HandleMaterialConditional(TextureState state, bool isActive)
		{
			if (!TextureStates.ContainsKey(state.Name))
			{
				return;
			}
			if (isActive)
			{
				if (!ActiveStates.Contains(state))
				{
					ActiveStates.Add(state);
				}
				SetTexturePack(state.Name);
			}
			else
			{
				if (!ActiveStates.Contains(state))
				{
					return;
				}
				ActiveStates.Remove(state);
				if (currentTextureState.Name == state.Name)
				{
					if (Extensions.IsNullOrEmpty<TextureState>((ICollection<TextureState>)ActiveStates))
					{
						ResetTexturePack();
					}
					else
					{
						SetTexturePack(ActiveStates.Last().Name);
					}
				}
			}
		}

		private static void ResetTexturePack()
		{
			lock (_multiCustomizerLock)
			{
				if (!(currentTextureState.Name != ""))
				{
					return;
				}
				Logger.LogDebug((object)("Switching to texture pack " + currentTextureState.Name));
				currentTextureState = defaultTextureState;
				foreach (Material key in defaultTextureState.MaterialsToTextures.Keys)
				{
					if (currentTextureState.MaterialsToTextures.ContainsKey(key))
					{
						key.mainTexture = currentTextureState.MaterialsToTextures[key];
					}
					else
					{
						key.mainTexture = defaultTextureState.MaterialsToTextures[key];
					}
				}
			}
		}

		private static void SetTexturePack(string name)
		{
			lock (_multiCustomizerLock)
			{
				if (!(currentTextureState.Name != name))
				{
					return;
				}
				Logger.LogDebug((object)("Switching to texture pack " + currentTextureState.Name));
				currentTextureState = TextureStates[name];
				foreach (Material key in defaultTextureState.MaterialsToTextures.Keys)
				{
					if (currentTextureState.MaterialsToTextures.ContainsKey(key))
					{
						key.mainTexture = currentTextureState.MaterialsToTextures[key];
					}
					else
					{
						key.mainTexture = defaultTextureState.MaterialsToTextures[key];
					}
				}
			}
		}

		private static void LoadTextures()
		{
			tk2dSpriteCollectionData[] array = Resources.FindObjectsOfTypeAll<tk2dSpriteCollectionData>();
			Dictionary<string, tk2dSpriteCollectionData> collections = array.ToDictionary((tk2dSpriteCollectionData c) => ((Object)c).name, (tk2dSpriteCollectionData c) => c);
			GetDefaultTextures(array);
			GetTextureStates(collections);
		}

		private static void GetDefaultTextures(tk2dSpriteCollectionData[] collectionsArray)
		{
			Logger.LogDebug((object)"Loading default textures");
			for (int i = 0; i < collectionsArray.Length; i++)
			{
				Material[] materials = collectionsArray[i].materials;
				foreach (Material val in materials)
				{
					lock (_multiCustomizerLock)
					{
						if (!defaultTextureState.MaterialsToTextures.ContainsKey(val))
						{
							defaultTextureState.MaterialsToTextures[val] = val.mainTexture;
						}
					}
				}
			}
		}

		private static void GetTextureStates(Dictionary<string, tk2dSpriteCollectionData> collections)
		{
			Logger.LogDebug((object)"Entering GetTextureStates");
			Directory.GetDirectories(Paths.PluginPath, "Customizer", SearchOption.AllDirectories).ToList();
			foreach (string key in TextureStates.Keys)
			{
				Logger.LogDebug((object)("textureStateName : " + key));
				string text = Path.Combine(Paths.PluginPath, key, "Customizer");
				Logger.LogDebug((object)("packDir : " + text));
				if (Directory.Exists(text))
				{
					Logger.LogDebug((object)("Loading Textures for " + key));
					GetTextureState(TextureStates[key], text, collections);
				}
			}
		}

		private static void GetTextureState(TextureState textureState, string dir, Dictionary<string, tk2dSpriteCollectionData> spriteCollection)
		{
			//IL_00f7: Unknown result type (might be due to invalid IL or missing references)
			//IL_00fe: Expected O, but got Unknown
			Logger.LogDebug((object)("Setting textures for pack " + textureState.Name));
			string[] directories = Directory.GetDirectories(dir);
			foreach (string text in directories)
			{
				Logger.LogDebug((object)("subDir : " + text));
				string fileName = Path.GetFileName(text);
				Logger.LogDebug((object)("fileName : " + fileName));
				if (!spriteCollection.ContainsKey(fileName))
				{
					continue;
				}
				Material[] materials = spriteCollection[fileName].materials;
				foreach (Material val in materials)
				{
					string text2 = Path.Combine(text, ((Object)val.mainTexture).name + ".png");
					Logger.LogDebug((object)("atlasFile : " + text2));
					if (!File.Exists(text2))
					{
						continue;
					}
					lock (_multiCustomizerLock)
					{
						Logger.LogDebug((object)("Loading file " + text2));
						byte[] array = File.ReadAllBytes(text2);
						Texture2D val2 = new Texture2D(2, 2);
						((Object)val2).name = ((Object)val.mainTexture).name;
						if (ImageConversion.LoadImage(val2, array))
						{
							textureState.MaterialsToTextures[val] = (Texture)(object)val2;
						}
					}
				}
			}
		}
	}
}