using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Security.Permissions;
using BepInEx;
using BepInEx.Logging;
using MonoMod.RuntimeDetour.HookGen;
using RoR2;
using RoR2.ContentManagement;
using UnityEngine;
using UnityEngine.AddressableAssets;
using UnityEngine.Rendering;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.Default | DebuggableAttribute.DebuggingModes.DisableOptimizations | DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints | DebuggableAttribute.DebuggingModes.EnableEditAndContinue)]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("0.0.0.0")]
namespace ReaperDriver;

[BepInPlugin("com.Forced_Reassembly.ReaperDriver", "ReaperDriver", "1.0.0")]
public class ReaperDriverPlugin : BaseUnityPlugin
{
	private class FieldException : Exception
	{
		public FieldException(string message, Exception innerException)
			: base(message, innerException)
		{
		}
	}

	private static AssetBundle assetBundle;

	private static readonly List<Material> materialsWithRoRShader = new List<Material>();

	internal static ReaperDriverPlugin Instance { get; private set; }

	internal static ManualLogSource InstanceLogger
	{
		get
		{
			ReaperDriverPlugin instance = Instance;
			return (instance != null) ? ((BaseUnityPlugin)instance).Logger : null;
		}
	}

	private void Start()
	{
		Instance = this;
		using (Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("ReaperDriver.forced_reassemblyreaperdriver"))
		{
			assetBundle = AssetBundle.LoadFromStream(stream);
		}
		((ResourceAvailability)(ref BodyCatalog.availability)).CallWhenAvailable((Action)BodyCatalogInit);
		HookEndpointManager.Add((MethodBase)typeof(Language).GetMethod("LoadStrings"), (Delegate)new Action<Action<Language>, Language>(LanguageLoadStrings));
		ReplaceShaders();
	}

	private static void ReplaceShaders()
	{
		LoadMaterialsWithReplacedShader("RoR2/Base/Shaders/HGStandard.shader", "Assets/Resources/ReaperMat.mat");
	}

	private static void LoadMaterialsWithReplacedShader(string shaderPath, params string[] materialPaths)
	{
		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
		//IL_0007: Unknown result type (might be due to invalid IL or missing references)
		Shader shader = Addressables.LoadAssetAsync<Shader>((object)shaderPath).WaitForCompletion();
		foreach (string text in materialPaths)
		{
			Material val = assetBundle.LoadAsset<Material>(text);
			val.shader = shader;
			materialsWithRoRShader.Add(val);
		}
	}

	private static void LanguageLoadStrings(Action<Language> orig, Language self)
	{
		orig(self);
		self.SetStringByToken("FORCED_REASSEMBLY_SKIN_REAPERDEF_NAME", "Reaper");
	}

	private static void Nothing(Action<SkinDef> orig, SkinDef self)
	{
	}

	private static void BodyCatalogInit()
	{
		MethodInfo method = typeof(SkinDef).GetMethod("Awake", BindingFlags.Instance | BindingFlags.NonPublic);
		HookEndpointManager.Add((MethodBase)method, (Delegate)new Action<Action<SkinDef>, SkinDef>(Nothing));
		AddRobDriverBodyReaperDefSkin();
		HookEndpointManager.Remove((MethodBase)method, (Delegate)new Action<Action<SkinDef>, SkinDef>(Nothing));
	}

	private static void AddRobDriverBodyReaperDefSkin()
	{
		//IL_02f0: Unknown result type (might be due to invalid IL or missing references)
		string text = "RobDriverBody";
		string text2 = "ReaperDef";
		try
		{
			GameObject val = BodyCatalog.FindBodyPrefab(text);
			if (!Object.op_Implicit((Object)(object)val))
			{
				InstanceLogger.LogWarning((object)("Failed to add \"" + text2 + "\" skin because \"" + text + "\" doesn't exist"));
				return;
			}
			ModelLocator component = val.GetComponent<ModelLocator>();
			if (!Object.op_Implicit((Object)(object)component))
			{
				InstanceLogger.LogWarning((object)("Failed to add \"" + text2 + "\" skin to \"" + text + "\" because it doesn't have \"ModelLocator\" component"));
				return;
			}
			GameObject gameObject = ((Component)component.modelTransform).gameObject;
			ModelSkinController skinController = (Object.op_Implicit((Object)(object)gameObject) ? gameObject.GetComponent<ModelSkinController>() : null);
			if (!Object.op_Implicit((Object)(object)skinController))
			{
				InstanceLogger.LogWarning((object)("Failed to add \"" + text2 + "\" skin to \"" + text + "\" because it doesn't have \"ModelSkinController\" component"));
				return;
			}
			CharacterModel component2 = gameObject.GetComponent<CharacterModel>();
			if (!Object.op_Implicit((Object)(object)component2))
			{
				InstanceLogger.LogWarning((object)("Failed to add \"" + text2 + "\" skin to \"" + text + "\" because it doesn't have \"CharacterModel\" component"));
				return;
			}
			Renderer[] renderers = component2.baseRendererInfos.Select((RendererInfo info) => info.renderer).ToArray();
			SkinDef skin = ScriptableObject.CreateInstance<SkinDef>();
			TryCatchThrow("Icon", delegate
			{
				skin.icon = assetBundle.LoadAsset<Sprite>("Assets\\SkinMods\\ReaperDriver\\Icons\\ReaperDefIcon.png");
			});
			((Object)skin).name = text2;
			skin.nameToken = "FORCED_REASSEMBLY_SKIN_REAPERDEF_NAME";
			skin.rootObject = gameObject;
			TryCatchThrow("Base Skins", delegate
			{
				skin.baseSkins = (SkinDef[])(object)new SkinDef[1] { skinController.skins[0] };
			});
			TryCatchThrow("Unlockable Name", delegate
			{
				skin.unlockableDef = ((IEnumerable<UnlockableDef>)ContentManager.unlockableDefs).FirstOrDefault((Func<UnlockableDef, bool>)((UnlockableDef def) => def.cachedName == "Reaper"));
			});
			TryCatchThrow("Game Object Activations", delegate
			{
				skin.gameObjectActivations = Array.Empty<GameObjectActivation>();
			});
			TryCatchThrow("Renderer Infos", delegate
			{
				//IL_0011: Unknown result type (might be due to invalid IL or missing references)
				//IL_0030: Unknown result type (might be due to invalid IL or missing references)
				//IL_004c: Unknown result type (might be due to invalid IL or missing references)
				//IL_004d: Unknown result type (might be due to invalid IL or missing references)
				skin.rendererInfos = (RendererInfo[])(object)new RendererInfo[1]
				{
					new RendererInfo
					{
						defaultMaterial = assetBundle.LoadAsset<Material>("Assets/Resources/ReaperMat.mat"),
						defaultShadowCastingMode = (ShadowCastingMode)1,
						ignoreOverlays = false,
						renderer = renderers[0]
					}
				};
			});
			TryCatchThrow("Mesh Replacements", delegate
			{
				//IL_0011: Unknown result type (might be due to invalid IL or missing references)
				//IL_003c: Unknown result type (might be due to invalid IL or missing references)
				//IL_003d: Unknown result type (might be due to invalid IL or missing references)
				skin.meshReplacements = (MeshReplacement[])(object)new MeshReplacement[1]
				{
					new MeshReplacement
					{
						mesh = assetBundle.LoadAsset<Mesh>("Assets\\SkinMods\\ReaperDriver\\Meshes\\Reaper.mesh"),
						renderer = renderers[0]
					}
				};
			});
			TryCatchThrow("Minion Skin Replacements", delegate
			{
				skin.minionSkinReplacements = Array.Empty<MinionSkinReplacement>();
			});
			TryCatchThrow("Projectile Ghost Replacements", delegate
			{
				skin.projectileGhostReplacements = Array.Empty<ProjectileGhostReplacement>();
			});
			Array.Resize(ref skinController.skins, skinController.skins.Length + 1);
			skinController.skins[skinController.skins.Length - 1] = skin;
			BodyCatalog.skins[BodyCatalog.FindBodyIndex(val)] = skinController.skins;
		}
		catch (FieldException ex)
		{
			InstanceLogger.LogWarning((object)("Failed to add \"" + text2 + "\" skin to \"" + text + "\""));
			InstanceLogger.LogWarning((object)("Field causing issue: " + ex.Message));
			InstanceLogger.LogError((object)ex.InnerException);
		}
		catch (Exception ex2)
		{
			InstanceLogger.LogWarning((object)("Failed to add \"" + text2 + "\" skin to \"" + text + "\""));
			InstanceLogger.LogError((object)ex2);
		}
	}

	private static void TryCatchThrow(string message, Action action)
	{
		try
		{
			action?.Invoke();
		}
		catch (Exception innerException)
		{
			throw new FieldException(message, innerException);
		}
	}
}