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.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("AmmoTinPVMCompat")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0")]
[assembly: AssemblyProduct("AmmoTinPVMCompat")]
[assembly: AssemblyTitle("AmmoTinPVMCompat")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("1.0.0.0")]
[module: UnverifiableCode]
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 AmmoTinPVMCompat
{
	internal static class AmmoTinHelper
	{
		private const string AmmoTinItemName = "Ammo Tin";

		private static FieldInfo? _maxReloadsField;

		private static FieldInfo? _drainCostField;

		private static bool _reflectionInit;

		private static readonly BindingFlags BF = BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic;

		private static void InitReflection()
		{
			if (_reflectionInit)
			{
				return;
			}
			_reflectionInit = true;
			Assembly[] assemblies = AppDomain.CurrentDomain.GetAssemblies();
			for (int i = 0; i < assemblies.Length; i++)
			{
				Type type = assemblies[i].GetType("LethalCompanyAmmoTin.ModAmmoTinMain");
				if (!(type == null))
				{
					_maxReloadsField = type.GetField("maxShotgunReloads", BF);
					_drainCostField = type.GetField("shotgunDrainCost", BF);
					break;
				}
			}
		}

		private static float GetDrainCost()
		{
			InitReflection();
			if (_drainCostField != null)
			{
				object value = _drainCostField.GetValue(null);
				if (value is float)
				{
					return (float)value;
				}
				object obj = (value?.GetType().GetProperty("Value"))?.GetValue(value);
				if (obj is float)
				{
					return (float)obj;
				}
			}
			int maxReloads = GetMaxReloads();
			if (maxReloads <= 0)
			{
				return 0.125f;
			}
			return 1f / (float)maxReloads;
		}

		private static int GetMaxReloads()
		{
			InitReflection();
			if (_maxReloadsField != null)
			{
				object value = _maxReloadsField.GetValue(null);
				if (value is int)
				{
					return (int)value;
				}
				object obj = (value?.GetType().GetProperty("Value"))?.GetValue(value);
				if (obj is int)
				{
					return (int)obj;
				}
			}
			return 8;
		}

		internal static int FindAmmoTinSlot(object? player)
		{
			if (player == null)
			{
				return -1;
			}
			if (!(player.GetType().GetField("ItemSlots", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)?.GetValue(player) is object[] array))
			{
				return -1;
			}
			for (int i = 0; i < array.Length; i++)
			{
				object obj = array[i];
				if (obj == null)
				{
					continue;
				}
				object obj2 = obj.GetType().GetField("itemProperties", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)?.GetValue(obj);
				if (obj2 != null && !(obj2.GetType().GetField("itemName", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)?.GetValue(obj2) as string != "Ammo Tin"))
				{
					object obj3 = obj.GetType().GetField("insertedBattery", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)?.GetValue(obj);
					if (obj3 != null && obj3.GetType().GetField("charge", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)?.GetValue(obj3) is float num && num >= GetDrainCost())
					{
						return i;
					}
				}
			}
			return -1;
		}

		internal static void DrainAmmoTin(object player, int slot)
		{
			if (!(player.GetType().GetField("ItemSlots", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)?.GetValue(player) is object[] array) || slot < 0 || slot >= array.Length)
			{
				return;
			}
			object obj = array[slot];
			if (obj == null)
			{
				return;
			}
			object obj2 = obj.GetType().GetField("insertedBattery", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic)?.GetValue(obj);
			if (obj2 != null)
			{
				FieldInfo field = obj2.GetType().GetField("charge", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
				if (!(field == null))
				{
					float drainCost = GetDrainCost();
					float num = Mathf.Clamp01((float)(field.GetValue(obj2) ?? ((object)0f)) - drainCost);
					field.SetValue(obj2, num);
					Plugin.Log.LogDebug((object)$"AmmoTinPVMCompat: Drained tin (slot {slot}) — charge now {num:P0}");
				}
			}
		}
	}
	internal static class MyPluginInfo
	{
		public const string PLUGIN_GUID = "olyvion.ammotinpvmcompat";

		public const string PLUGIN_NAME = "AmmoTin PVM Compat";

		public const string PLUGIN_VERSION = "1.0.0";
	}
	internal static class TinReloadState
	{
		private static readonly Dictionary<object, int> _active = new Dictionary<object, int>();

		internal static Dictionary<object, int> All => _active;

		internal static void Set(object gun, int slot)
		{
			_active[gun] = slot;
		}

		internal static void Clear(object gun)
		{
			_active.Remove(gun);
		}
	}
	internal static class WeaponPatches
	{
		private static readonly BindingFlags BF = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;

		private static FieldInfo? GetField(Type t, string n)
		{
			FieldInfo? field = t.GetField(n, BF);
			if ((object)field == null)
			{
				Type? baseType = t.BaseType;
				if ((object)baseType == null)
				{
					return null;
				}
				field = baseType.GetField(n, BF);
			}
			return field;
		}

		public static void ReloadedGun_Postfix(object __instance, ref bool __result)
		{
			if (!__result)
			{
				Type type = __instance.GetType();
				object player = GetField(type, "playerHeldBy")?.GetValue(__instance);
				int num = AmmoTinHelper.FindAmmoTinSlot(player);
				if (num != -1)
				{
					AmmoTinHelper.DrainAmmoTin(player, num);
					GetField(type, "ammoSlotToUse")?.SetValue(__instance, num);
					TinReloadState.Set(__instance, num);
					__result = true;
					Plugin.Log.LogInfo((object)$"[PVMCompat] {type.Name}: reloaded via Ammo Tin slot {num}");
				}
			}
		}
	}
	internal static class DestroyItemSlotPatch
	{
		private static readonly BindingFlags BF = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;

		public static bool Prefix(object __instance, int itemSlot)
		{
			foreach (KeyValuePair<object, int> item in new Dictionary<object, int>(TinReloadState.All))
			{
				if (item.Value == itemSlot && (item.Key.GetType().GetField("playerHeldBy", BF) ?? item.Key.GetType().BaseType?.GetField("playerHeldBy", BF))?.GetValue(item.Key) == __instance)
				{
					TinReloadState.Clear(item.Key);
					Plugin.Log.LogDebug((object)$"[PVMCompat] Blocked DestroyItemInSlotAndSync({itemSlot})");
					return false;
				}
			}
			return true;
		}
	}
	[BepInPlugin("olyvion.ammotinpvmcompat", "AmmoTin PVM Compat", "1.0.0")]
	[BepInDependency(/*Could not decode attribute arguments.*/)]
	[BepInDependency(/*Could not decode attribute arguments.*/)]
	public class Plugin : BaseUnityPlugin
	{
		private readonly Harmony _harmony = new Harmony("olyvion.ammotinpvmcompat");

		public static ManualLogSource Log { get; private set; }

		private void Awake()
		{
			Log = ((BaseUnityPlugin)this).Logger;
			try
			{
				PatchMethod("PiggyVarietyMod.Patches.M4Item", "ReloadedGun", "ReloadedGun_Postfix");
			}
			catch (Exception arg)
			{
				Log.LogError((object)$"Failed to patch M4Item.ReloadedGun: {arg}");
			}
			try
			{
				PatchMethod("PiggyVarietyMod.Patches.RevolverItem", "ReloadedGun", "ReloadedGun_Postfix");
			}
			catch (Exception arg2)
			{
				Log.LogError((object)$"Failed to patch RevolverItem.ReloadedGun: {arg2}");
			}
			try
			{
				PatchDestroyItemInSlot();
			}
			catch (Exception arg3)
			{
				Log.LogError((object)$"Failed to patch DestroyItemInSlotAndSync: {arg3}");
			}
			Log.LogInfo((object)"AmmoTin PVM Compat v1.0.0 loaded!");
		}

		private void PatchMethod(string typeName, string methodName, string patchMethodName)
		{
			//IL_00bc: Unknown result type (might be due to invalid IL or missing references)
			//IL_00c9: Expected O, but got Unknown
			Type type = null;
			Assembly[] assemblies = AppDomain.CurrentDomain.GetAssemblies();
			for (int i = 0; i < assemblies.Length; i++)
			{
				type = assemblies[i].GetType(typeName);
				if (type != null)
				{
					break;
				}
			}
			if (type == null)
			{
				Log.LogError((object)("Could not find type: " + typeName));
				return;
			}
			MethodInfo method = type.GetMethod(methodName, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
			if (method == null)
			{
				Log.LogError((object)("Could not find method: " + typeName + "." + methodName));
				return;
			}
			MethodInfo method2 = typeof(WeaponPatches).GetMethod(patchMethodName, BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
			if (method2 == null)
			{
				Log.LogError((object)("Could not find patch method: " + patchMethodName));
				return;
			}
			_harmony.Patch((MethodBase)method, (HarmonyMethod)null, new HarmonyMethod(method2), (HarmonyMethod)null, (HarmonyMethod)null, (HarmonyMethod)null);
			Log.LogInfo((object)("Patched " + typeName + "." + methodName));
		}

		private void PatchDestroyItemInSlot()
		{
			//IL_0096: Unknown result type (might be due to invalid IL or missing references)
			//IL_009b: Unknown result type (might be due to invalid IL or missing references)
			//IL_00af: Expected O, but got Unknown
			Type type = null;
			Assembly[] assemblies = AppDomain.CurrentDomain.GetAssemblies();
			for (int i = 0; i < assemblies.Length; i++)
			{
				type = assemblies[i].GetType("GameNetcodeStuff.PlayerControllerB");
				if (type != null)
				{
					break;
				}
			}
			if (type == null)
			{
				Log.LogError((object)"Could not find PlayerControllerB");
				return;
			}
			MethodInfo method = type.GetMethod("DestroyItemInSlotAndSync", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
			if (method == null)
			{
				Log.LogError((object)"Could not find DestroyItemInSlotAndSync");
				return;
			}
			MethodInfo method2 = typeof(DestroyItemSlotPatch).GetMethod("Prefix", BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
			_harmony.Patch((MethodBase)method, new HarmonyMethod(method2)
			{
				priority = 600
			}, (HarmonyMethod)null, (HarmonyMethod)null, (HarmonyMethod)null, (HarmonyMethod)null);
			Log.LogInfo((object)"Patched PlayerControllerB.DestroyItemInSlotAndSync");
		}

		private static void ReloadedGun_Postfix()
		{
		}
	}
}