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.Cryptography;
using System.Text;
using BepInEx;
using BepInEx.Configuration;
using BepInEx.Logging;
using HarmonyLib;
using Microsoft.CodeAnalysis;
using UnityEngine;
using UnityEngine.UI;

[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("Dedryx")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyCopyright("Copyright © Dedryx 2026")]
[assembly: AssemblyDescription("Double-click a Valheim server to connect and securely remember its password.")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0")]
[assembly: AssemblyProduct("QuickServerConnect")]
[assembly: AssemblyTitle("QuickServerConnect")]
[assembly: AssemblyVersion("1.0.0.0")]
[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;
		}
	}
}
namespace QuickServerConnect
{
	[BepInPlugin("dedryx.quickserverconnect", "QuickServerConnect", "1.0.0")]
	[BepInProcess("valheim.exe")]
	public sealed class Plugin : BaseUnityPlugin
	{
		[HarmonyPatch(typeof(ServerListGui), "OnSelectedServer")]
		private static class ServerRowClickPatch
		{
			private static void Postfix(ServerListGui __instance, ServerJoinData selected)
			{
				//IL_004f: Unknown result type (might be due to invalid IL or missing references)
				//IL_0067: Unknown result type (might be due to invalid IL or missing references)
				//IL_0068: Unknown result type (might be due to invalid IL or missing references)
				if (!modEnabled.Value)
				{
					return;
				}
				float unscaledTime = Time.unscaledTime;
				float value = doubleClickInterval.Value;
				float num = (float.IsNaN(value) ? 0.35f : Mathf.Clamp(value, 0.1f, 1f));
				bool num2 = ((ServerJoinData)(ref lastClickedServer)).IsValid && ((ServerJoinData)(ref lastClickedServer)).Equals(selected) && unscaledTime - lastClickTime <= num;
				lastClickedServer = selected;
				lastClickTime = unscaledTime;
				if (!num2 || !((Object)(object)__instance.m_joinGameButton != (Object)null) || !((Selectable)__instance.m_joinGameButton).interactable)
				{
					return;
				}
				lastClickTime = float.NegativeInfinity;
				try
				{
					FejdStartup val = Startup.Invoke(__instance);
					if ((Object)(object)val != (Object)null)
					{
						val.OnJoinStart();
					}
				}
				catch (Exception exception)
				{
					log.Error("Double-click connect", exception);
				}
			}
		}

		[HarmonyPatch(typeof(FejdStartup), "JoinServer")]
		private static class JoinServerPatch
		{
			private static void Prefix(FejdStartup __instance)
			{
				//IL_0015: Unknown result type (might be due to invalid IL or missing references)
				if (modEnabled.Value && __instance.HasServerToJoin())
				{
					try
					{
						BeginJoin(__instance.GetServerToJoin());
					}
					catch (Exception exception)
					{
						activeServerKey = null;
						log.Error("Server identity", exception);
					}
				}
			}
		}

		[HarmonyPatch(typeof(ZNet), "RPC_ClientHandshake")]
		private static class PasswordPromptPatch
		{
			private static void Postfix(ZNet __instance, bool needPassword)
			{
				if (!modEnabled.Value || !needPassword || autoSubmissionAttempted || !autoSubmitSavedPasswords.Value || string.IsNullOrEmpty(activeServerKey))
				{
					return;
				}
				autoSubmissionAttempted = true;
				string text = credentials.Get(activeServerKey);
				if (string.IsNullOrEmpty(text))
				{
					return;
				}
				candidatePassword = text;
				submittedSavedPassword = true;
				submittingSavedPassword = true;
				try
				{
					SubmitPassword(__instance, text);
				}
				catch (Exception exception)
				{
					submittedSavedPassword = false;
					candidatePassword = null;
					credentials.Remove(activeServerKey);
					log.Error("Saved-password submission", exception);
				}
				finally
				{
					submittingSavedPassword = false;
					text = null;
				}
			}
		}

		[HarmonyPatch(typeof(ZNet), "OnPasswordEntered")]
		private static class PasswordEnteredPatch
		{
			private static void Prefix(string pwd)
			{
				if (modEnabled.Value && !string.IsNullOrEmpty(pwd))
				{
					candidatePassword = pwd;
					if (!submittingSavedPassword)
					{
						submittedSavedPassword = false;
					}
				}
			}
		}

		[HarmonyPatch(typeof(ZNet), "RPC_PeerInfo")]
		private static class ConnectionAcceptedPatch
		{
			private static void Postfix()
			{
				//IL_000c: Unknown result type (might be due to invalid IL or missing references)
				//IL_0012: Invalid comparison between Unknown and I4
				if (modEnabled.Value && (int)ZNet.GetConnectionStatus() == 2)
				{
					if (rememberPasswords.Value && !string.IsNullOrEmpty(activeServerKey) && !string.IsNullOrEmpty(candidatePassword))
					{
						credentials.Set(activeServerKey, candidatePassword);
					}
					candidatePassword = null;
					submittedSavedPassword = false;
				}
			}
		}

		[HarmonyPatch(typeof(ZNet), "RPC_Error")]
		private static class ConnectionErrorPatch
		{
			private static void Postfix(int error)
			{
				if (modEnabled.Value && error == 6 && submittedSavedPassword && !string.IsNullOrEmpty(activeServerKey))
				{
					credentials.Remove(activeServerKey);
					candidatePassword = null;
					submittedSavedPassword = false;
				}
			}
		}

		private sealed class ManualLogSourceProxy
		{
			private readonly ManualLogSource source;

			internal ManualLogSourceProxy(ManualLogSource source)
			{
				this.source = source;
			}

			internal void Error(string operation, Exception exception)
			{
				source.LogError((object)(operation + " failed (" + exception.GetType().Name + ")."));
			}
		}

		private sealed class CredentialStore
		{
			private static readonly byte[] Entropy = Encoding.UTF8.GetBytes("dedryx.quickserverconnect|credentials|v1");

			private readonly string path;

			private readonly ManualLogSourceProxy logger;

			private readonly Dictionary<string, string> encrypted = new Dictionary<string, string>(StringComparer.Ordinal);

			internal CredentialStore(string path, ManualLogSourceProxy logger)
			{
				this.path = path;
				this.logger = logger;
				Load();
			}

			internal static string HashIdentity(string identity)
			{
				using SHA256 sHA = SHA256.Create();
				return BitConverter.ToString(sHA.ComputeHash(Encoding.UTF8.GetBytes(identity))).Replace("-", "");
			}

			private void Load()
			{
				try
				{
					if (!File.Exists(path))
					{
						return;
					}
					string[] array = File.ReadAllLines(path);
					foreach (string text in array)
					{
						int num = text.IndexOf('\t');
						if (num == 64 && num < text.Length - 1)
						{
							encrypted[text.Substring(0, num)] = text.Substring(num + 1);
						}
					}
				}
				catch (Exception exception)
				{
					logger.Error("Credential load", exception);
				}
			}

			internal string Get(string key)
			{
				if (!encrypted.TryGetValue(key, out var value))
				{
					return null;
				}
				try
				{
					byte[] array = Convert.FromBase64String(value);
					byte[] array2 = ProtectedData.Unprotect(array, Entropy, (DataProtectionScope)0);
					string result = Encoding.UTF8.GetString(array2);
					Array.Clear(array2, 0, array2.Length);
					Array.Clear(array, 0, array.Length);
					return result;
				}
				catch (Exception exception)
				{
					logger.Error("Credential decrypt", exception);
					Remove(key);
					return null;
				}
			}

			internal void Set(string key, string password)
			{
				try
				{
					byte[] bytes = Encoding.UTF8.GetBytes(password);
					byte[] array = ProtectedData.Protect(bytes, Entropy, (DataProtectionScope)0);
					encrypted[key] = Convert.ToBase64String(array);
					Array.Clear(bytes, 0, bytes.Length);
					Array.Clear(array, 0, array.Length);
					Save();
				}
				catch (Exception exception)
				{
					logger.Error("Credential save", exception);
				}
			}

			internal void Remove(string key)
			{
				if (encrypted.Remove(key))
				{
					Save();
				}
			}

			internal void Clear()
			{
				encrypted.Clear();
				try
				{
					if (File.Exists(path))
					{
						File.Delete(path);
					}
				}
				catch (Exception exception)
				{
					logger.Error("Credential clear", exception);
				}
			}

			private void Save()
			{
				try
				{
					Directory.CreateDirectory(Path.GetDirectoryName(path));
					List<string> list = new List<string>(encrypted.Count);
					foreach (KeyValuePair<string, string> item in encrypted)
					{
						list.Add(item.Key + "\t" + item.Value);
					}
					File.WriteAllLines(path, list.ToArray());
				}
				catch (Exception exception)
				{
					logger.Error("Credential write", exception);
				}
			}
		}

		[CompilerGenerated]
		private static class <>O
		{
			public static ConsoleEvent <0>__OnConsoleCommand;
		}

		private static ConfigEntry<bool> modEnabled;

		private static ConfigEntry<float> doubleClickInterval;

		private static ConfigEntry<bool> autoSubmitSavedPasswords;

		private static ConfigEntry<bool> rememberPasswords;

		private static ManualLogSourceProxy log;

		private static CredentialStore credentials;

		private static ServerJoinData lastClickedServer = ServerJoinData.None;

		private static float lastClickTime = float.NegativeInfinity;

		private static string activeServerKey;

		private static string candidatePassword;

		private static bool autoSubmissionAttempted;

		private static bool submittingSavedPassword;

		private static bool submittedSavedPassword;

		private static readonly FieldRef<ServerListGui, FejdStartup> Startup = AccessTools.FieldRefAccess<ServerListGui, FejdStartup>("m_startup");

		private static readonly Action<ZNet, string> SubmitPassword = AccessTools.MethodDelegate<Action<ZNet, string>>(AccessTools.DeclaredMethod(typeof(ZNet), "OnPasswordEntered", new Type[1] { typeof(string) }, (Type[])null), (object)null, true);

		private void Awake()
		{
			//IL_004e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0058: Expected O, but got Unknown
			//IL_00ff: Unknown result type (might be due to invalid IL or missing references)
			//IL_010a: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ea: Unknown result type (might be due to invalid IL or missing references)
			//IL_00ef: Unknown result type (might be due to invalid IL or missing references)
			//IL_00f5: Expected O, but got Unknown
			modEnabled = ((BaseUnityPlugin)this).Config.Bind<bool>("General", "Enabled", true, "Enable QuickServerConnect.");
			doubleClickInterval = ((BaseUnityPlugin)this).Config.Bind<float>("General", "DoubleClickInterval", 0.35f, new ConfigDescription("Maximum seconds between clicks on the same server.", (AcceptableValueBase)(object)new AcceptableValueRange<float>(0.1f, 1f), Array.Empty<object>()));
			autoSubmitSavedPasswords = ((BaseUnityPlugin)this).Config.Bind<bool>("General", "AutoSubmitSavedPasswords", true, "Automatically submit a remembered password.");
			rememberPasswords = ((BaseUnityPlugin)this).Config.Bind<bool>("General", "RememberPasswords", true, "Remember passwords after the server accepts them.");
			log = new ManualLogSourceProxy(((BaseUnityPlugin)this).Logger);
			credentials = new CredentialStore(Path.Combine(Paths.ConfigPath, "QuickServerConnect", "credentials.dat"), log);
			object obj = <>O.<0>__OnConsoleCommand;
			if (obj == null)
			{
				ConsoleEvent val = OnConsoleCommand;
				<>O.<0>__OnConsoleCommand = val;
				obj = (object)val;
			}
			new ConsoleCommand("quickserverconnect", "quickserverconnect clearpasswords - delete all remembered server passwords", (ConsoleEvent)obj, false, false, false, false, false, false, (ConsoleOptionsFetcher)null, false, false, false);
			new Harmony("dedryx.quickserverconnect").PatchAll(typeof(Plugin).Assembly);
		}

		private static void OnConsoleCommand(ConsoleEventArgs args)
		{
			if (args.Length == 2 && string.Equals(args[1], "clearpasswords", StringComparison.OrdinalIgnoreCase))
			{
				credentials.Clear();
				args.Context.AddString("QuickServerConnect: saved passwords cleared.");
			}
			else
			{
				args.Context.AddString("Usage: quickserverconnect clearpasswords");
			}
		}

		private static string GetServerKey(ServerJoinData server)
		{
			//IL_0000: Unknown result type (might be due to invalid IL or missing references)
			//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_0009: Unknown result type (might be due to invalid IL or missing references)
			//IL_001b: Expected I4, but got Unknown
			//IL_0062: Unknown result type (might be due to invalid IL or missing references)
			//IL_0067: Unknown result type (might be due to invalid IL or missing references)
			//IL_0088: 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_0024: Unknown result type (might be due to invalid IL or missing references)
			ServerJoinDataType type = server.m_type;
			string identity;
			switch (type - 1)
			{
			case 2:
			{
				ServerJoinDataDedicated dedicated = ((ServerJoinData)(ref server)).Dedicated;
				identity = "dedicated|" + ((ServerJoinDataDedicated)(ref dedicated)).GetHost().Trim().TrimEnd('/')
					.ToLowerInvariant() + "|" + dedicated.m_port;
				break;
			}
			case 0:
				identity = "steam|" + ((ServerJoinData)(ref server)).SteamUser.m_joinUserID.m_SteamID;
				break;
			case 1:
				identity = "playfab|" + ((ServerJoinData)(ref server)).PlayFabUser.m_remotePlayerId;
				break;
			default:
				return null;
			}
			return CredentialStore.HashIdentity(identity);
		}

		private static void BeginJoin(ServerJoinData server)
		{
			//IL_0000: Unknown result type (might be due to invalid IL or missing references)
			activeServerKey = GetServerKey(server);
			candidatePassword = null;
			submittedSavedPassword = false;
			autoSubmissionAttempted = false;
		}
	}
}