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 Microsoft.CodeAnalysis;
using UnityEngine;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: IgnoresAccessChecksTo("Assembly-CSharp")]
[assembly: TargetFramework(".NETStandard,Version=v2.1", FrameworkDisplayName = ".NET Standard 2.1")]
[assembly: AssemblyCompany("MoreStackables")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0")]
[assembly: AssemblyProduct("MoreStackables")]
[assembly: AssemblyTitle("MoreStackables")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("1.0.0.0")]
[module: UnverifiableCode]
[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;
		}
	}
}
[BepInPlugin("sparroh.morestackables", "MoreStackables", "1.0.1")]
[MycoMod(/*Could not decode attribute arguments.*/)]
public class SparrohPlugin : BaseUnityPlugin
{
	public const string PluginGUID = "sparroh.morestackables";

	public const string PluginName = "MoreStackables";

	public const string PluginVersion = "1.0.1";

	internal static ManualLogSource Logger;

	internal static SparrohPlugin Instance;

	private static ConfigEntry<bool> enableMod;

	private static ConfigEntry<bool> logPromotedUpgrades;

	private static PropertyInfo flagsProperty;

	private static FieldInfo flagsBackingField;

	private static bool writePathResolved;

	private static bool applied;

	private void Awake()
	{
		Instance = this;
		Logger = ((BaseUnityPlugin)this).Logger;
		enableMod = ((BaseUnityPlugin)this).Config.Bind<bool>("General", "Enable", true, "When enabled, upgrades that are stackable in Ouroboros (CanStackInMission) become stackable in the base game as well (CanStack).");
		logPromotedUpgrades = ((BaseUnityPlugin)this).Config.Bind<bool>("Debug", "Log Promoted Upgrades", false, "Log each upgrade that receives the CanStack flag.");
		PlayerData.AddRegisterUpgradesCallback((Action)OnUpgradesRegistered);
		try
		{
			if (!applied && (Object)(object)Global.Instance != (Object)null)
			{
				OnUpgradesRegistered();
			}
		}
		catch (Exception ex)
		{
			Logger.LogDebug((object)("[MoreStackables] Early apply skipped: " + ex.Message));
		}
		Logger.LogInfo((object)"MoreStackables v1.0.1 loaded.");
	}

	private void OnDestroy()
	{
		Instance = null;
	}

	private static void OnUpgradesRegistered()
	{
		if (applied)
		{
			return;
		}
		if (enableMod == null || !enableMod.Value)
		{
			Logger.LogInfo((object)"[MoreStackables] Disabled in config; no flags changed.");
			applied = true;
			return;
		}
		try
		{
			if ((Object)(object)Global.Instance == (Object)null)
			{
				Logger.LogWarning((object)"[MoreStackables] Global.Instance is null; will retry on next registration callback.");
				return;
			}
			int num = ApplyStackFlags();
			applied = true;
			Logger.LogInfo((object)$"[MoreStackables] Promoted {num} upgrade(s) from CanStackInMission to CanStack.");
		}
		catch (Exception arg)
		{
			Logger.LogError((object)$"[MoreStackables] Failed to apply stack flags: {arg}");
		}
	}

	private static int ApplyStackFlags()
	{
		ResolveWritePath();
		HashSet<Upgrade> seen = new HashSet<Upgrade>();
		int num = 0;
		if (Global.Instance.AllGear != null)
		{
			IUpgradable[] allGear = Global.Instance.AllGear;
			foreach (IUpgradable gear in allGear)
			{
				num += PromoteGearUpgrades(gear, seen);
			}
		}
		if (Global.Instance.Characters != null)
		{
			Character[] characters = Global.Instance.Characters;
			foreach (Character gear2 in characters)
			{
				num += PromoteGearUpgrades((IUpgradable)(object)gear2, seen);
			}
		}
		return num + PromoteGearUpgrades((IUpgradable)(object)Global.Instance, seen);
	}

	private static int PromoteGearUpgrades(IUpgradable gear, HashSet<Upgrade> seen)
	{
		object obj;
		if (gear == null)
		{
			obj = null;
		}
		else
		{
			GearInfo info = gear.Info;
			obj = ((info != null) ? info.Upgrades : null);
		}
		if (obj == null)
		{
			return 0;
		}
		int num = 0;
		List<Upgrade> upgrades = gear.Info.Upgrades;
		for (int i = 0; i < upgrades.Count; i++)
		{
			Upgrade val = upgrades[i];
			if (!((Object)(object)val == (Object)null) && seen.Add(val) && TryPromote(val))
			{
				num++;
			}
		}
		return num;
	}

	private static bool TryPromote(Upgrade upgrade)
	{
		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
		//IL_0006: 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)
		//IL_000d: Unknown result type (might be due to invalid IL or missing references)
		//IL_0012: Unknown result type (might be due to invalid IL or missing references)
		//IL_0014: Unknown result type (might be due to invalid IL or missing references)
		//IL_0019: Unknown result type (might be due to invalid IL or missing references)
		//IL_001b: Unknown result type (might be due to invalid IL or missing references)
		//IL_001c: Unknown result type (might be due to invalid IL or missing references)
		//IL_001e: Unknown result type (might be due to invalid IL or missing references)
		UpgradeFlags flags = upgrade.Flags;
		if ((flags & 0x4000) == 0)
		{
			return false;
		}
		if ((flags & 8) != 0)
		{
			return false;
		}
		UpgradeFlags value = (UpgradeFlags)(flags | 8);
		if (!TrySetFlags(upgrade, value))
		{
			Logger.LogWarning((object)("[MoreStackables] Could not write Flags on '" + SafeName(upgrade) + "'."));
			return false;
		}
		if (logPromotedUpgrades != null && logPromotedUpgrades.Value)
		{
			string arg = "unknown";
			try
			{
				GearInfo val = PlayerData.FindGearInfo(upgrade);
				if ((Object)(object)val != (Object)null)
				{
					arg = val.Name ?? val.APIName ?? "unknown";
				}
			}
			catch
			{
			}
			Logger.LogInfo((object)$"[MoreStackables] +CanStack: {SafeName(upgrade)} (gear={arg}, id={upgrade.NumberID})");
		}
		return true;
	}

	private static void ResolveWritePath()
	{
		if (!writePathResolved)
		{
			writePathResolved = true;
			Type typeFromHandle = typeof(Upgrade);
			flagsBackingField = typeFromHandle.GetField("<Flags>k__BackingField", BindingFlags.Instance | BindingFlags.NonPublic) ?? typeFromHandle.GetField("Flags", BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
			flagsProperty = typeFromHandle.GetProperty("Flags", BindingFlags.Instance | BindingFlags.Public);
		}
	}

	private static bool TrySetFlags(Upgrade upgrade, UpgradeFlags value)
	{
		//IL_004c: Unknown result type (might be due to invalid IL or missing references)
		//IL_0058: Unknown result type (might be due to invalid IL or missing references)
		//IL_005d: Unknown result type (might be due to invalid IL or missing references)
		//IL_001f: Unknown result type (might be due to invalid IL or missing references)
		//IL_002b: 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)
		if (flagsProperty != null && flagsProperty.CanWrite)
		{
			try
			{
				flagsProperty.SetValue(upgrade, value);
				return upgrade.Flags == value;
			}
			catch
			{
			}
		}
		if (flagsBackingField != null)
		{
			try
			{
				flagsBackingField.SetValue(upgrade, value);
				return upgrade.Flags == value;
			}
			catch (Exception ex)
			{
				Logger.LogError((object)("[MoreStackables] Backing-field write failed: " + ex.Message));
			}
		}
		return false;
	}

	private static string SafeName(Upgrade upgrade)
	{
		try
		{
			return upgrade.Name ?? upgrade.APIName ?? ((object)upgrade).ToString();
		}
		catch
		{
			return ((upgrade != null) ? upgrade.APIName : null) ?? "???";
		}
	}
}
namespace MoreStackables
{
	public static class MyPluginInfo
	{
		public const string PLUGIN_GUID = "MoreStackables";

		public const string PLUGIN_NAME = "MoreStackables";

		public const string PLUGIN_VERSION = "1.0.0";
	}
}
namespace System.Runtime.CompilerServices
{
	[AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
	internal sealed class IgnoresAccessChecksToAttribute : Attribute
	{
		public IgnoresAccessChecksToAttribute(string assemblyName)
		{
		}
	}
}