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

[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("FreddyDiag")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0")]
[assembly: AssemblyProduct("FreddyDiag")]
[assembly: AssemblyTitle("FreddyDiag")]
[assembly: AssemblyVersion("1.0.0.0")]
[module: RefSafetyRules(11)]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Embedded]
	[AttributeUsage(AttributeTargets.Module, AllowMultiple = false, Inherited = false)]
	internal sealed class RefSafetyRulesAttribute : Attribute
	{
		public readonly int Version;

		public RefSafetyRulesAttribute(int P_0)
		{
			Version = P_0;
		}
	}
}
namespace FreddyDiag
{
	[BepInPlugin("themorningstar.freddydiag", "Freddy Diag", "1.0.0")]
	public class Plugin : BaseUnityPlugin
	{
		public const string Guid = "themorningstar.freddydiag";

		internal static ManualLogSource Log;

		internal static FieldInfo StateField;

		private void Awake()
		{
			//IL_0010: Unknown result type (might be due to invalid IL or missing references)
			//IL_0016: Expected O, but got Unknown
			//IL_0060: Unknown result type (might be due to invalid IL or missing references)
			//IL_006d: Expected O, but got Unknown
			//IL_0093: Unknown result type (might be due to invalid IL or missing references)
			//IL_009e: Expected O, but got Unknown
			//IL_0136: Unknown result type (might be due to invalid IL or missing references)
			//IL_0141: Expected O, but got Unknown
			Log = ((BaseUnityPlugin)this).Logger;
			Harmony val = new Harmony("themorningstar.freddydiag");
			try
			{
				Type type = AccessTools.TypeByName("FreddyEnemy.AI.EnemyFreddy");
				if (type != null)
				{
					StateField = AccessTools.Field(type, "_state");
					val.Patch((MethodBase)AccessTools.Method(type, "UpdateState", (Type[])null, (Type[])null), (HarmonyMethod)null, new HarmonyMethod(typeof(Patches).GetMethod("StatePost")), (HarmonyMethod)null, (HarmonyMethod)null, (HarmonyMethod)null);
					val.Patch((MethodBase)AccessTools.Method(type, "Update", (Type[])null, (Type[])null), (HarmonyMethod)null, (HarmonyMethod)null, (HarmonyMethod)null, new HarmonyMethod(typeof(Patches).GetMethod("UpdateFinalizer")), (HarmonyMethod)null);
					Log.LogInfo((object)"FreddyDiag: armed (tracing Freddy state + Update exceptions).");
				}
				else
				{
					Log.LogWarning((object)"FreddyDiag: EnemyFreddy type not found; is FreddyEnemy installed?");
				}
			}
			catch (Exception ex)
			{
				Log.LogError((object)("FreddyDiag: Freddy setup failed: " + ex));
			}
			try
			{
				Type type2 = AccessTools.TypeByName("EnemyRobe");
				MethodInfo methodInfo = ((type2 != null) ? AccessTools.Method(type2, "Update", (Type[])null, (Type[])null) : null);
				if (methodInfo != null)
				{
					RobePatches.Init(type2);
					val.Patch((MethodBase)methodInfo, (HarmonyMethod)null, (HarmonyMethod)null, (HarmonyMethod)null, new HarmonyMethod(typeof(RobePatches).GetMethod("UpdateFinalizer")), (HarmonyMethod)null);
					Log.LogInfo((object)"FreddyDiag: armed Rolling Giant (EnemyRobe) tracer.");
				}
				else
				{
					Log.LogWarning((object)"FreddyDiag: EnemyRobe.Update not found; Rolling Giant tracer disabled.");
				}
			}
			catch (Exception ex2)
			{
				Log.LogError((object)("FreddyDiag: Robe setup failed: " + ex2));
			}
		}
	}
	internal static class Patches
	{
		private static object _lastState;

		private static readonly HashSet<string> _seenExceptions = new HashSet<string>();

		private static float _nextHeartbeat;

		public static void StatePost(object __instance)
		{
			try
			{
				object obj = Plugin.StateField?.GetValue(__instance);
				if (obj != null && !obj.Equals(_lastState))
				{
					_lastState = obj;
					Plugin.Log.LogInfo((object)$"[FreddyDiag] state -> {obj}");
				}
			}
			catch
			{
			}
		}

		public static void UpdateFinalizer(object __instance, Exception __exception)
		{
			if (__exception != null)
			{
				string text = __exception.GetType().Name + ":" + __exception.Message;
				if (_seenExceptions.Add(text))
				{
					object arg = null;
					try
					{
						arg = Plugin.StateField?.GetValue(__instance);
					}
					catch
					{
					}
					Plugin.Log.LogError((object)$"[FreddyDiag] Update threw (state {arg}): {text}");
				}
			}
			else if (Time.time >= _nextHeartbeat)
			{
				_nextHeartbeat = Time.time + 2f;
				object arg2 = null;
				try
				{
					arg2 = Plugin.StateField?.GetValue(__instance);
				}
				catch
				{
				}
				Plugin.Log.LogInfo((object)$"[FreddyDiag] heartbeat: Update running, state={arg2}");
			}
		}
	}
	internal static class RobePatches
	{
		private static FieldInfo _stateField;

		private static readonly Dictionary<int, string> _lastState = new Dictionary<int, string>();

		private static readonly HashSet<string> _seenEx = new HashSet<string>();

		private static float _nextHeartbeat;

		public static void Init(Type robeType)
		{
			_stateField = AccessTools.Field(robeType, "currentState");
		}

		private static bool IsRollingGiant(object inst)
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			try
			{
				GameObject gameObject = ((Component)((Component)inst).transform.root).gameObject;
				return ((Object)gameObject).name.IndexOf("Rolling Giant", StringComparison.OrdinalIgnoreCase) >= 0 || ((Object)gameObject).name.IndexOf("RollingGiant", StringComparison.OrdinalIgnoreCase) >= 0;
			}
			catch
			{
				return false;
			}
		}

		private static string State(object inst)
		{
			try
			{
				return _stateField?.GetValue(inst)?.ToString();
			}
			catch
			{
				return null;
			}
		}

		public static void UpdateFinalizer(object __instance, Exception __exception)
		{
			try
			{
				if (!IsRollingGiant(__instance))
				{
					return;
				}
				if (__exception != null)
				{
					string text = __exception.GetType().Name + ":" + __exception.Message;
					if (_seenEx.Add(text))
					{
						Plugin.Log.LogError((object)("[RollingGiantDiag] Update threw (state " + State(__instance) + "): " + text));
					}
					return;
				}
				string text2 = State(__instance);
				int hashCode = __instance.GetHashCode();
				if (!_lastState.TryGetValue(hashCode, out var value) || value != text2)
				{
					_lastState[hashCode] = text2;
					Plugin.Log.LogInfo((object)("[RollingGiantDiag] state -> " + text2));
				}
				if (Time.time >= _nextHeartbeat)
				{
					_nextHeartbeat = Time.time + 3f;
					Plugin.Log.LogInfo((object)("[RollingGiantDiag] heartbeat: Update running, state=" + text2));
				}
			}
			catch
			{
			}
		}
	}
}