using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.Versioning;
using BepInEx.Logging;
using Mono.Cecil;
using Mono.Cecil.Cil;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: TargetFramework(".NETFramework,Version=v4.7.2", FrameworkDisplayName = ".NET Framework 4.7.2")]
[assembly: AssemblyCompany("GigaStationsPatcher")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0+4b5d9c564b6a0858631024f070c85d16f8d9fa20")]
[assembly: AssemblyProduct("GigaStationsPatcher")]
[assembly: AssemblyTitle("GigaStationsPatcher")]
[assembly: AssemblyVersion("1.0.0.0")]
namespace GigaStations;

public static class Preloader
{
	public static ManualLogSource logSource;

	public static IEnumerable<string> TargetDLLs { get; } = new string[1] { "Assembly-CSharp.dll" };

	public static void Initialize()
	{
		logSource = Logger.CreateLogSource("GigaStations Preloader");
	}

	public static void Patch(AssemblyDefinition assembly)
	{
		//IL_006f: Unknown result type (might be due to invalid IL or missing references)
		//IL_0076: Expected O, but got Unknown
		//IL_008b: Unknown result type (might be due to invalid IL or missing references)
		//IL_0092: Expected O, but got Unknown
		//IL_00b1: Unknown result type (might be due to invalid IL or missing references)
		//IL_00b6: Unknown result type (might be due to invalid IL or missing references)
		//IL_00bd: Unknown result type (might be due to invalid IL or missing references)
		//IL_00c4: Unknown result type (might be due to invalid IL or missing references)
		//IL_00cd: Expected O, but got Unknown
		//IL_0120: Unknown result type (might be due to invalid IL or missing references)
		//IL_012e: Unknown result type (might be due to invalid IL or missing references)
		//IL_013e: Unknown result type (might be due to invalid IL or missing references)
		try
		{
			ModuleDefinition mainModule = assembly.MainModule;
			TypeDefinition val = ((IEnumerable<TypeDefinition>)mainModule.Types).First((TypeDefinition t) => ((MemberReference)t).FullName == "UIControlPanelStationEntry");
			TypeDefinition val2 = ((IEnumerable<TypeDefinition>)mainModule.Types).First((TypeDefinition t) => ((MemberReference)t).FullName == "UIControlPanelStorageItem");
			TypeReference val3 = mainModule.ImportReference(typeof(List<>));
			GenericInstanceType val4 = new GenericInstanceType(val3);
			val4.GenericArguments.Add((TypeReference)(object)val2);
			FieldDefinition val5 = new FieldDefinition("extraStorageItems", (FieldAttributes)1, (TypeReference)(object)val4);
			val.Fields.Add(val5);
			MethodReference val6 = new MethodReference(".ctor", mainModule.TypeSystem.Void, (TypeReference)(object)val4)
			{
				HasThis = true,
				ExplicitThis = false,
				CallingConvention = (MethodCallingConvention)0
			};
			MethodDefinition val7 = ((IEnumerable<MethodDefinition>)val.Methods).FirstOrDefault((Func<MethodDefinition, bool>)((MethodDefinition m) => ((MemberReference)m).Name == "_OnCreate"));
			if (val7 != null)
			{
				ILProcessor iLProcessor = val7.Body.GetILProcessor();
				Instruction val8 = ((IEnumerable<Instruction>)val7.Body.Instructions).First();
				Instruction val9 = iLProcessor.Create(OpCodes.Ldarg_0);
				Instruction val10 = iLProcessor.Create(OpCodes.Newobj, val6);
				Instruction val11 = iLProcessor.Create(OpCodes.Stfld, (FieldReference)(object)val5);
				iLProcessor.InsertBefore(val8, val9);
				iLProcessor.InsertAfter(val9, val10);
				iLProcessor.InsertAfter(val10, val11);
			}
			logSource.LogInfo((object)"Preloader patching is successful!");
		}
		catch (Exception)
		{
			logSource.LogError((object)"Preloader patching failed!");
			throw;
		}
	}
}