using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
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 ExitGames.Client.Photon;
using HarmonyLib;
using Microsoft.CodeAnalysis;
using Photon.Pun;
using Photon.Realtime;
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("Omniscye")]
[assembly: AssemblyConfiguration("Debug")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0")]
[assembly: AssemblyProduct("AlwaysHostRandom")]
[assembly: AssemblyTitle("AlwaysHostRandom")]
[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.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 Empress.AlwaysHostRandom
{
	[BepInPlugin("Empress.AlwaysHostRandom", "AlwaysHostRandom", "1.0.0")]
	public class AlwaysHostRandomPlugin : BaseUnityPlugin
	{
		private ConfigEntry<bool> _enableForceHost = null;

		private ConfigEntry<string> _nameFormat = null;

		private ConfigEntry<bool> _onlyWhenClickingRandom = null;

		internal static AlwaysHostRandomPlugin Instance { get; private set; }

		internal static ManualLogSource Logger => Instance._logger;

		private ManualLogSource _logger => ((BaseUnityPlugin)this).Logger;

		internal Harmony? Harmony { get; set; }

		private void Awake()
		{
			Instance = this;
			_enableForceHost = ((BaseUnityPlugin)this).Config.Bind<bool>("General", "EnableForceHost", true, "If true, Random Matchmaking will always create a brand new open room (you are host).");
			_nameFormat = ((BaseUnityPlugin)this).Config.Bind<string>("General", "RoomNameFormat", "{SteamName}-Host-{Rand4}", "Pattern for server_name when forcing host. Tokens: {SteamName}, {Rand4}, {Rand6}, {Time}");
			_onlyWhenClickingRandom = ((BaseUnityPlugin)this).Config.Bind<bool>("General", "OnlyWhenRandom", true, "If true, only triggers when the game is in connectRandom mode.");
			Patch();
			Logger.LogInfo((object)$"{((BaseUnityPlugin)this).Info.Metadata.Name} v{((BaseUnityPlugin)this).Info.Metadata.Version} loaded. Bow to the host.");
		}

		internal void Patch()
		{
			//IL_001a: 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_0021: Expected O, but got Unknown
			//IL_0026: Expected O, but got Unknown
			//IL_0096: Unknown result type (might be due to invalid IL or missing references)
			//IL_009c: Expected O, but got Unknown
			if (Harmony == null)
			{
				Harmony val = new Harmony(((BaseUnityPlugin)this).Info.Metadata.GUID);
				Harmony val2 = val;
				Harmony = val;
			}
			Type type = AccessTools.TypeByName("NetworkConnect");
			if (type == null)
			{
				Logger.LogError((object)"Type 'NetworkConnect' not found.");
				return;
			}
			MethodInfo methodInfo = AccessTools.Method(type, "OnConnectedToMaster", (Type[])null, (Type[])null);
			if (methodInfo == null)
			{
				Logger.LogError((object)"Method NetworkConnect.OnConnectedToMaster not found.");
				return;
			}
			HarmonyMethod val3 = new HarmonyMethod(typeof(AlwaysHostRandomPlugin).GetMethod("OnConnectedToMaster_Prefix", BindingFlags.Static | BindingFlags.NonPublic));
			Harmony.Patch((MethodBase)methodInfo, val3, (HarmonyMethod)null, (HarmonyMethod)null, (HarmonyMethod)null, (HarmonyMethod)null);
			Logger.LogInfo((object)"Patched NetworkConnect.OnConnectedToMaster (prefix).");
		}

		internal void Unpatch()
		{
			Harmony? harmony = Harmony;
			if (harmony != null)
			{
				harmony.UnpatchSelf();
			}
		}

		private static bool OnConnectedToMaster_Prefix(object __instance)
		{
			//IL_01e9: Unknown result type (might be due to invalid IL or missing references)
			//IL_01ee: Unknown result type (might be due to invalid IL or missing references)
			//IL_01f5: Unknown result type (might be due to invalid IL or missing references)
			//IL_01ff: Expected O, but got Unknown
			//IL_01ff: Unknown result type (might be due to invalid IL or missing references)
			//IL_0204: Unknown result type (might be due to invalid IL or missing references)
			//IL_0211: Expected O, but got Unknown
			//IL_0214: Expected O, but got Unknown
			try
			{
				if (!Instance._enableForceHost.Value)
				{
					return true;
				}
				Type type = AccessTools.TypeByName("GameManager");
				Type type2 = AccessTools.TypeByName("DataDirector");
				if (type == null || type2 == null)
				{
					Logger.LogError((object)"GameManager or DataDirector types missing.");
					return true;
				}
				FieldInfo fieldInfo = AccessTools.Field(type, "instance");
				FieldInfo fieldInfo2 = AccessTools.Field(type2, "instance");
				object obj = fieldInfo?.GetValue(null);
				object obj2 = fieldInfo2?.GetValue(null);
				if (obj == null || obj2 == null)
				{
					Logger.LogError((object)"GameManager.instance or DataDirector.instance not available.");
					return true;
				}
				bool flag = false;
				FieldInfo fieldInfo3 = AccessTools.Field(type, "connectRandom");
				if (fieldInfo3 != null)
				{
					flag = (bool)fieldInfo3.GetValue(obj);
				}
				else
				{
					PropertyInfo propertyInfo = AccessTools.Property(type, "connectRandom");
					if (propertyInfo != null)
					{
						flag = (bool)propertyInfo.GetValue(obj);
					}
				}
				if (Instance._onlyWhenClickingRandom.Value && !flag)
				{
					return true;
				}
				FieldInfo fieldInfo4 = AccessTools.Field(type2, "networkServerName");
				FieldInfo fieldInfo5 = AccessTools.Field(type2, "networkJoinServerName");
				string value = ((fieldInfo4 != null) ? ((string)(fieldInfo4.GetValue(obj2) ?? string.Empty)) : string.Empty);
				string value2 = ((fieldInfo5 != null) ? ((string)(fieldInfo5.GetValue(obj2) ?? string.Empty)) : string.Empty);
				if (!string.IsNullOrEmpty(value) || !string.IsNullOrEmpty(value2))
				{
					return true;
				}
				string value3 = GenerateRoomNameSafe();
				RoomOptions val = new RoomOptions
				{
					MaxPlayers = 6,
					IsVisible = true
				};
				Hashtable val2 = new Hashtable();
				((Dictionary<object, object>)val2).Add((object)"server_name", (object)value3);
				Hashtable customRoomProperties = val2;
				val.CustomRoomPropertiesForLobby = new string[1] { "server_name" };
				val.CustomRoomProperties = customRoomProperties;
				PhotonNetwork.CreateRoom((string)null, val, TypedLobby.Default, (string[])null);
				Logger.LogInfo((object)"ForceHost: issuing PhotonNetwork.CreateRoom(...) in default lobby for random matchmaking.");
				return false;
			}
			catch (Exception arg)
			{
				Logger.LogError((object)$"ForceHost prefix failed: {arg}");
				return true;
			}
		}

		private static string GenerateRoomNameSafe()
		{
			string text = SafeName(GetSteamName());
			string text2 = Random.Range(1000, 9999).ToString();
			string newValue = Random.Range(100000, 999999).ToString();
			string newValue2 = DateTime.UtcNow.ToString("yyyyMMdd-HHmmss");
			string text3 = Instance._nameFormat.Value.Replace("{SteamName}", text).Replace("{Rand4}", text2).Replace("{Rand6}", newValue)
				.Replace("{Time}", newValue2);
			if (string.IsNullOrWhiteSpace(text3))
			{
				text3 = "Host-" + text + "-" + text2;
			}
			return (text3.Length > 30) ? text3.Substring(0, 30) : text3;
		}

		private static string GetSteamName()
		{
			try
			{
				Type type = AccessTools.TypeByName("Steamworks.SteamClient");
				PropertyInfo propertyInfo = AccessTools.Property(type, "Name");
				if (propertyInfo != null)
				{
					return (string)propertyInfo.GetValue(null);
				}
			}
			catch
			{
			}
			return "Player";
		}

		private static string SafeName(string raw)
		{
			if (string.IsNullOrEmpty(raw))
			{
				return "Player";
			}
			char[] invalidFileNameChars = Path.GetInvalidFileNameChars();
			foreach (char c in invalidFileNameChars)
			{
				raw = raw.Replace(c.ToString(), "");
			}
			return raw.Replace("|", "").Replace(";", "").Replace("\n", "")
				.Replace("\r", "")
				.Trim();
		}
	}
}