using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Reflection;
using System.Reflection.Emit;
using System.Runtime.CompilerServices;
using System.Runtime.Versioning;
using System.Security;
using System.Security.Permissions;
using System.Text;
using BepInEx;
using BepInEx.Bootstrap;
using BepInEx.Logging;
using CessilCellsCeaChells.CeaChore;
using HarmonyLib;
using Microsoft.CodeAnalysis;
using Newtonsoft.Json;
using Steamworks;
using Unity.Netcode;

[assembly: CompilationRelaxations(8)]
[assembly: RuntimeCompatibility(WrapNonExceptionThrows = true)]
[assembly: Debuggable(DebuggableAttribute.DebuggingModes.IgnoreSymbolStoreSequencePoints)]
[assembly: RequiresField(typeof(ConnectionPayload), "MMRestrictorVersions", typeof(string), true)]
[assembly: IgnoresAccessChecksTo("Cessil.Assembly-CSharp")]
[assembly: TargetFramework(".NETStandard,Version=v2.1", FrameworkDisplayName = ".NET Standard 2.1")]
[assembly: AssemblyCompany("wwwDayDream.MultiplayerModRestrictor")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyFileVersion("0.4.1.0")]
[assembly: AssemblyInformationalVersion("0.4.1+7fc36a207ff49bf5fe4e340872069220e173cf07")]
[assembly: AssemblyProduct("MultiplayerModRestrictor")]
[assembly: AssemblyTitle("wwwDayDream.MultiplayerModRestrictor")]
[assembly: SecurityPermission(SecurityAction.RequestMinimum, SkipVerification = true)]
[assembly: AssemblyVersion("0.4.1.0")]
[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.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;
		}
	}
	[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 BepInEx
{
	[AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = false)]
	[Conditional("CodeGeneration")]
	internal sealed class BepInAutoPluginAttribute : Attribute
	{
		public BepInAutoPluginAttribute(string id = null, string name = null, string version = null)
		{
		}
	}
}
namespace BepInEx.Preloader.Core.Patching
{
	[AttributeUsage(AttributeTargets.Class, Inherited = false, AllowMultiple = false)]
	[Conditional("CodeGeneration")]
	internal sealed class PatcherAutoPluginAttribute : Attribute
	{
		public PatcherAutoPluginAttribute(string id = null, string name = null, string version = null)
		{
		}
	}
}
namespace MultiplayerModRestrictor
{
	[Serializable]
	public class ModData
	{
		public string ModGUID;

		public string ModName;

		public string ModVersion;
	}
	[AttributeUsage(AttributeTargets.Class)]
	internal class MMReqVersion : Attribute
	{
	}
	[AttributeUsage(AttributeTargets.Class)]
	internal class MMReqExist : Attribute
	{
	}
	[MMReqVersion]
	[MMReqExist]
	[BepInPlugin("wwwDayDream.MultiplayerModRestrictor", "MultiplayerModRestrictor", "0.4.1")]
	public class MultiplayerModRestrictor : BaseUnityPlugin
	{
		public static List<ModData> ModDatas = new List<ModData>();

		public const string Id = "wwwDayDream.MultiplayerModRestrictor";

		public static ManualLogSource? Logger { get; private set; }

		public static Harmony Patcher { get; } = new Harmony("wwwDayDream.MultiplayerModRestrictor");


		public static string Name => "MultiplayerModRestrictor";

		public static string Version => "0.4.1";

		public void Awake()
		{
			Logger = ((BaseUnityPlugin)this).Logger;
			Patcher.PatchAll();
			int num;
			Logger.LogDebug((object)string.Format("Successfully patched {0} method{1}.", num = Patcher.GetPatchedMethods().Count(), (num == 1) ? "" : "s"));
		}

		public void Start()
		{
			GatherModVersions();
		}

		private void OnDestroy()
		{
			GatherModVersions();
		}

		private void GatherModVersions()
		{
			if (ModDatas.Count > 0)
			{
				return;
			}
			ManualLogSource? logger = Logger;
			if (logger != null)
			{
				logger.LogDebug((object)"Gathering Mod Restrictions...");
			}
			foreach (KeyValuePair<string, PluginInfo> pluginInfo in Chainloader.PluginInfos)
			{
				pluginInfo.Deconstruct(out var key, out var value);
				string text = key;
				PluginInfo val = value;
				bool flag = ((object)val.Instance).GetType().CustomAttributes.Any((CustomAttributeData attr) => attr.AttributeType.Name == "MMReqVersion");
				if (flag || ((object)val.Instance).GetType().CustomAttributes.Any((CustomAttributeData attr) => attr.AttributeType.Name == "MMReqExist"))
				{
					string name = val.Metadata.Name;
					string modVersion = (flag ? val.Metadata.Version.ToString() : "*");
					ManualLogSource? logger2 = Logger;
					if (logger2 != null)
					{
						logger2.LogDebug((object)("Found mod that requires multiplayer restriction: [" + text + "] " + name));
					}
					ModDatas.Add(new ModData
					{
						ModGUID = text,
						ModName = name,
						ModVersion = modVersion
					});
				}
			}
			ManualLogSource? logger3 = Logger;
			if (logger3 != null)
			{
				logger3.LogDebug((object)string.Format("Located {0} mod{1}: {2}", ModDatas.Count, (ModDatas.Count == 1) ? "" : "s", GetVersionText()));
			}
		}

		public static string GetVersionText()
		{
			return JsonConvert.SerializeObject((object)ModDatas);
		}

		public static bool CompareModDatas(string modDataJson, out string error)
		{
			ModData[] source = ((!string.IsNullOrEmpty(modDataJson)) ? (JsonConvert.DeserializeObject<ModData[]>(modDataJson) ?? Array.Empty<ModData>()) : Array.Empty<ModData>());
			bool result = true;
			StringBuilder stringBuilder = new StringBuilder("Requires:\n");
			foreach (ModData modData in ModDatas)
			{
				ModData modData2 = source.FirstOrDefault((ModData data) => modData.ModGUID == data.ModGUID);
				bool flag = modData2?.ModVersion == modData.ModVersion;
				if (!(modData2 != null && flag))
				{
					result = false;
					stringBuilder.AppendLine((modData2 != null) ? ("Version Mismatch: " + modData.ModName + " v" + modData.ModVersion + " (v" + modData2.ModVersion + ")") : ("Missing Mod: " + modData.ModName + " v" + modData.ModVersion));
				}
			}
			error = stringBuilder.ToString().TrimEnd('\n', '\r');
			return result;
		}
	}
	public static class MyPluginInfo
	{
		public const string PLUGIN_GUID = "wwwDayDream.MultiplayerModRestrictor";

		public const string PLUGIN_NAME = "MultiplayerModRestrictor";

		public const string PLUGIN_VERSION = "0.4.1";
	}
}
namespace MultiplayerModRestrictor.Patches
{
	[HarmonyPatch(typeof(LobbyBrowserLobbyPanel))]
	public static class LobbyBrowserLobbyPanelPatch
	{
		[HarmonyPatch("OnPointerUp")]
		[HarmonyPrefix]
		public static bool PreventJoining(LobbyBrowserLobbyPanel __instance)
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			string text = SteamMatchmaking.GetLobbyData(__instance.steamLobbyID, "mmrestrictor") ?? "";
			ManualLogSource? logger = MultiplayerModRestrictor.Logger;
			if (logger != null)
			{
				logger.LogDebug((object)text);
			}
			if (MultiplayerModRestrictor.CompareModDatas(text, out string error))
			{
				return true;
			}
			ManualLogSource? logger2 = MultiplayerModRestrictor.Logger;
			if (logger2 != null)
			{
				logger2.LogDebug((object)("Skipping lobby: " + __instance.serverNameText.text + " because " + error));
			}
			MainMenuManager.Singleton.ShowUIGroup_FailedToJoinServer();
			MainMenuManager.Singleton.reasonForServerDisconnectText.text = error;
			return false;
		}
	}
	[HarmonyPatch(typeof(LobbyBrowserManager))]
	public static class LobbyBrowserManagerPatch
	{
		[HarmonyPatch("OnLobbyCreated")]
		[HarmonyPostfix]
		public static void AddLobbyData(LobbyBrowserManager __instance)
		{
			//IL_0006: Unknown result type (might be due to invalid IL or missing references)
			SteamMatchmaking.SetLobbyData(new CSteamID(__instance.currentSteamLobbyID), "mmrestrictor", MultiplayerModRestrictor.GetVersionText());
		}
	}
	[HarmonyPatch(typeof(RelayManager))]
	public static class RelayManagerPatch
	{
		[HarmonyPatch("ApprovalCallback")]
		[HarmonyTranspiler]
		public static IEnumerable<CodeInstruction> InsertNewResponseCase(IEnumerable<CodeInstruction> codeInstructions)
		{
			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
			//IL_0008: Expected O, but got Unknown
			//IL_0032: Unknown result type (might be due to invalid IL or missing references)
			//IL_0038: Expected O, but got Unknown
			//IL_005a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0060: Expected O, but got Unknown
			//IL_0082: Unknown result type (might be due to invalid IL or missing references)
			//IL_0088: Expected O, but got Unknown
			//IL_00aa: Unknown result type (might be due to invalid IL or missing references)
			//IL_00b0: Expected O, but got Unknown
			//IL_00d2: Unknown result type (might be due to invalid IL or missing references)
			//IL_00d8: Expected O, but got Unknown
			//IL_00fa: Unknown result type (might be due to invalid IL or missing references)
			//IL_0100: Expected O, but got Unknown
			//IL_011f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0125: Expected O, but got Unknown
			//IL_012d: Unknown result type (might be due to invalid IL or missing references)
			//IL_0133: Expected O, but got Unknown
			//IL_014e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0154: Expected O, but got Unknown
			CodeMatcher val = new CodeMatcher(codeInstructions, (ILGenerator)null);
			val.MatchForward(true, (CodeMatch[])(object)new CodeMatch[6]
			{
				new CodeMatch((Func<CodeInstruction, bool>)((CodeInstruction instruction) => instruction.opcode == OpCodes.Ldarg_2), (string)null),
				new CodeMatch((Func<CodeInstruction, bool>)((CodeInstruction instruction) => instruction.opcode == OpCodes.Ldc_I4_0), (string)null),
				new CodeMatch((Func<CodeInstruction, bool>)((CodeInstruction instruction) => instruction.opcode == OpCodes.Stfld), (string)null),
				new CodeMatch((Func<CodeInstruction, bool>)((CodeInstruction instruction) => instruction.opcode == OpCodes.Ldarg_2), (string)null),
				new CodeMatch((Func<CodeInstruction, bool>)((CodeInstruction instruction) => instruction.opcode == OpCodes.Ldflda), (string)null),
				new CodeMatch((Func<CodeInstruction, bool>)((CodeInstruction instruction) => instruction.opcode == OpCodes.Initobj), (string)null)
			}).ThrowIfInvalid("Failure to find patch location in RelayManager::ApprovalCallback!");
			val.Insert((CodeInstruction[])(object)new CodeInstruction[3]
			{
				new CodeInstruction(OpCodes.Ldloc_1, (object)null),
				new CodeInstruction(OpCodes.Ldarg_2, (object)null),
				new CodeInstruction(OpCodes.Call, (object)typeof(RelayManagerPatch).GetMethod("CheckModVersions"))
			});
			return val.Instructions();
		}

		[HarmonyPatch("GetPayloadBytes")]
		[HarmonyTranspiler]
		public static IEnumerable<CodeInstruction> InsertNewFieldAssignment(IEnumerable<CodeInstruction> codeInstructions)
		{
			//IL_0002: Unknown result type (might be due to invalid IL or missing references)
			//IL_0008: Expected O, but got Unknown
			//IL_0032: Unknown result type (might be due to invalid IL or missing references)
			//IL_0038: Expected O, but got Unknown
			//IL_005a: Unknown result type (might be due to invalid IL or missing references)
			//IL_0060: Expected O, but got Unknown
			//IL_0082: Unknown result type (might be due to invalid IL or missing references)
			//IL_0088: Expected O, but got Unknown
			//IL_00ba: Unknown result type (might be due to invalid IL or missing references)
			//IL_00c0: Expected O, but got Unknown
			//IL_00db: Unknown result type (might be due to invalid IL or missing references)
			//IL_00e1: Expected O, but got Unknown
			//IL_00e9: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ef: Expected O, but got Unknown
			CodeMatcher val = new CodeMatcher(codeInstructions, (ILGenerator)null);
			val.MatchForward(true, (CodeMatch[])(object)new CodeMatch[3]
			{
				new CodeMatch((Func<CodeInstruction, bool>)((CodeInstruction instruction) => instruction.opcode == OpCodes.Newobj), (string)null),
				new CodeMatch((Func<CodeInstruction, bool>)((CodeInstruction instruction) => instruction.opcode == OpCodes.Dup), (string)null),
				new CodeMatch((Func<CodeInstruction, bool>)((CodeInstruction instruction) => instruction.opcode == OpCodes.Ldsfld), (string)null)
			}).ThrowIfInvalid("Failure to find patch location in RelayManager::GetPayloadBytes!");
			val.Insert((CodeInstruction[])(object)new CodeInstruction[3]
			{
				new CodeInstruction(OpCodes.Call, (object)typeof(MultiplayerModRestrictor).GetMethod("GetVersionText")),
				new CodeInstruction(OpCodes.Stfld, (object)typeof(ConnectionPayload).GetField("MMRestrictorVersions")),
				new CodeInstruction(OpCodes.Dup, (object)null)
			});
			return val.Instructions();
		}

		public static void CheckModVersions(ConnectionPayload? connectionPayload, ConnectionApprovalResponse response)
		{
			string error;
			if (connectionPayload == null)
			{
				ManualLogSource? logger = MultiplayerModRestrictor.Logger;
				if (logger != null)
				{
					logger.LogWarning((object)"ConnectionPayload was null!");
				}
			}
			else if (!MultiplayerModRestrictor.CompareModDatas(connectionPayload.MMRestrictorVersions, out error))
			{
				response.Reason = error;
				response.Approved = false;
			}
		}
	}
}
namespace System.Runtime.CompilerServices
{
	[AttributeUsage(AttributeTargets.Assembly, AllowMultiple = true)]
	internal sealed class IgnoresAccessChecksToAttribute : Attribute
	{
		public IgnoresAccessChecksToAttribute(string assemblyName)
		{
		}
	}
}