using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.Versioning;
using System.Security;
using System.Security.Permissions;
using BepInEx;
using BepInEx.Configuration;
using BepInEx.Logging;
using IL.RoR2;
using Microsoft.CodeAnalysis;
using Mono.Cecil;
using Mono.Cecil.Cil;
using MonoMod.Cil;
using RoR2;
using UnityEngine;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.Default | DebuggableAttribute.DebuggingModes.DisableOptimizations | DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints | DebuggableAttribute.DebuggingModes.EnableEditAndContinue)]
[assembly: TargetFramework(".NETStandard,Version=v2.1", FrameworkDisplayName = ".NET Standard 2.1")]
[assembly: AssemblyCompany("BossVariety")]
[assembly: AssemblyConfiguration("Debug")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0+f7ccefffcb445aa1d34c6176b84c9419790e738a")]
[assembly: AssemblyProduct("BossVariety")]
[assembly: AssemblyTitle("BossVariety")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("1.0.0.0")]
[module: UnverifiableCode]
[module: RefSafetyRules(11)]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[Microsoft.CodeAnalysis.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 BossVariety
{
	[BepInPlugin("OakPrime.BossVariety", "BossVariety", "1.0.2")]
	public class RespawnForBoss : BaseUnityPlugin
	{
		public const string PluginGUID = "OakPrime.BossVariety";

		public const string PluginAuthor = "OakPrime";

		public const string PluginName = "BossVariety";

		public const string PluginVersion = "1.0.2";

		public static ManualLogSource logger;

		private Queue<GameObject> _prevBosses = new Queue<GameObject>();

		private int MAX_QUEUE_COUNT = 2;

		public void Awake()
		{
			//IL_0028: Unknown result type (might be due to invalid IL or missing references)
			//IL_002e: Expected O, but got Unknown
			//IL_006c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0076: Expected O, but got Unknown
			try
			{
				logger = ((BaseUnityPlugin)this).Logger;
				Log.Init(logger);
				ConfigFile val = new ConfigFile(Paths.ConfigPath + "\\OakPrime.BossVariety.cfg", true);
				ConfigEntry<int> val2 = val.Bind<int>("Main", "Boss Ban Pool Size", 2, "Amount of previous bosses that will be excluded from current stage's boss pool. 1 = No repeats across 2 stages, 2 = No repeats across 3 stages, etc. At values above 2, you risk banning the stage's entire boss pool, in which case the mod will allow repeats that stage");
				val2.Value = Math.Clamp(val2.Value, 0, 5);
				MAX_QUEUE_COUNT = val2.Value;
				CombatDirector.SetNextSpawnAsBoss += (Manipulator)delegate(ILContext il)
				{
					//IL_0002: Unknown result type (might be due to invalid IL or missing references)
					//IL_0008: Expected O, but got Unknown
					ILCursor val3 = new ILCursor(il);
					ILLabel val6 = default(ILLabel);
					int num5 = default(int);
					int num4 = default(int);
					if (!val3.TryGotoNext(new Func<Instruction, bool>[4]
					{
						(Instruction x) => ILPatternMatchingExt.MatchLdcI4(x, 0),
						(Instruction x) => ILPatternMatchingExt.MatchBle(x, ref val6),
						(Instruction x) => ILPatternMatchingExt.MatchLdloc(x, ref num5),
						(Instruction x) => ILPatternMatchingExt.MatchLdarg(x, ref num4)
					}))
					{
						Log.LogInstrNotFound(il);
					}
					else
					{
						val3.Index += 3;
						val3.EmitDelegate<Func<WeightedSelection<DirectorCard>, WeightedSelection<DirectorCard>>>((Func<WeightedSelection<DirectorCard>, WeightedSelection<DirectorCard>>)delegate(WeightedSelection<DirectorCard> weightedSelection)
						{
							//IL_007b: Unknown result type (might be due to invalid IL or missing references)
							//IL_0080: Unknown result type (might be due to invalid IL or missing references)
							//IL_0088: Unknown result type (might be due to invalid IL or missing references)
							//IL_00f3: Unknown result type (might be due to invalid IL or missing references)
							if (_prevBosses.Count <= 0)
							{
								return weightedSelection;
							}
							List<int> list = new List<int>();
							bool flag = false;
							foreach (GameObject prevBoss in _prevBosses)
							{
								Log.LogDebug("Repeat boss is banned this stage: " + ((Object)prevBoss).name);
							}
							for (int i = 0; i < weightedSelection.Count; i++)
							{
								ChoiceInfo<DirectorCard> choice = weightedSelection.GetChoice(i);
								if (_prevBosses.Contains(choice.value.spawnCard.prefab))
								{
									list.Add(i);
								}
								else
								{
									flag = true;
								}
							}
							if (flag)
							{
								for (int num2 = list.Count - 1; num2 >= 0; num2--)
								{
									int num3 = list[num2];
									Log.LogDebug("Stopping repeat boss from spawning: " + ((Object)weightedSelection.GetChoice(num3).value.spawnCard.prefab).name);
									weightedSelection.RemoveChoice(num3);
								}
							}
							else
							{
								Log.LogDebug("Only repeat bosses are available this stage.");
							}
							return weightedSelection;
						});
						MethodReference val5 = default(MethodReference);
						MethodReference val4 = default(MethodReference);
						int num = default(int);
						if (!val3.TryGotoNext(new Func<Instruction, bool>[3]
						{
							(Instruction x) => ILPatternMatchingExt.MatchCallOrCallvirt(x, ref val5),
							(Instruction x) => ILPatternMatchingExt.MatchCallOrCallvirt(x, ref val4),
							(Instruction x) => ILPatternMatchingExt.MatchStloc(x, ref num)
						}))
						{
							Log.LogInstrNotFound(il);
						}
						else
						{
							val3.Index += 2;
							val3.EmitDelegate<Func<DirectorCard, DirectorCard>>((Func<DirectorCard, DirectorCard>)delegate(DirectorCard directorCard)
							{
								Log.LogDebug("Adding boss to ban pool: " + ((Object)directorCard.spawnCard.prefab).name);
								_prevBosses.Enqueue(directorCard.spawnCard.prefab);
								while (_prevBosses.Count > MAX_QUEUE_COUNT)
								{
									Log.LogDebug("Removing boss from ban pool: " + ((Object)_prevBosses.Dequeue()).name);
								}
								return directorCard;
							});
						}
					}
				};
			}
			catch (Exception ex)
			{
				((BaseUnityPlugin)this).Logger.LogError((object)(ex.Message + " - " + ex.StackTrace));
			}
		}
	}
	internal static class Log
	{
		internal static ManualLogSource _logSource;

		internal static void Init(ManualLogSource logSource)
		{
			_logSource = logSource;
		}

		internal static void LogDebug(object data)
		{
			_logSource.LogDebug(data);
		}

		internal static void LogError(object data)
		{
			_logSource.LogError(data);
		}

		internal static void LogFatal(object data)
		{
			_logSource.LogFatal(data);
		}

		internal static void LogInfo(object data)
		{
			_logSource.LogInfo(data);
		}

		internal static void LogMessage(object data)
		{
			_logSource.LogMessage(data);
		}

		internal static void LogWarning(object data)
		{
			_logSource.LogWarning(data);
		}

		internal static void LogInstrNotFound(ILContext il)
		{
			LogError("GoToNext instructions not found at method: " + (object)il.Method);
		}
	}
}