using System;
using System.Collections;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.Versioning;
using BepInEx;
using BepInEx.Logging;
using HarmonyLib;
using Microsoft.CodeAnalysis;
using TMPro;
using UnityEngine;

[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("UndoEverywhere")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyFileVersion("0.2.3.0")]
[assembly: AssemblyInformationalVersion("0.2.3+551a0b5ba64814d29c82a426a5a310a0632ffcd3")]
[assembly: AssemblyProduct("UndoEverywhere")]
[assembly: AssemblyTitle("UndoEverywhere")]
[assembly: AssemblyVersion("0.2.3.0")]
[module: RefSafetyRules(11)]
namespace Microsoft.CodeAnalysis
{
	[CompilerGenerated]
	[Embedded]
	internal sealed class EmbeddedAttribute : Attribute
	{
	}
}
namespace System.Runtime.CompilerServices
{
	[CompilerGenerated]
	[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]
	[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]
	[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 UndoEverywhere
{
	[BepInPlugin("UndoEverywhere", "UndoEverywhere", "0.2.3")]
	public class Plugin : BaseUnityPlugin
	{
		private class CoroutineRunner : MonoBehaviour
		{
		}

		internal static ManualLogSource Logger = new ManualLogSource("UndoEverywhere");

		private static CoroutineRunner? coroutineRunner;

		public void Awake()
		{
			//IL_001f: Unknown result type (might be due to invalid IL or missing references)
			//IL_0025: Expected O, but got Unknown
			Logger = ((BaseUnityPlugin)this).Logger;
			Logger.LogInfo((object)"Plugin UndoEverywhere is loaded!");
			Harmony val = new Harmony("UndoEverywhere");
			try
			{
				val.PatchAll();
			}
			catch (Exception arg)
			{
				Logger.LogError((object)$"PatchAll failed -- some patches are NOT applied: {arg}");
			}
		}

		internal static Coroutine RunCoroutine(IEnumerator routine)
		{
			//IL_0012: Unknown result type (might be due to invalid IL or missing references)
			//IL_0017: Unknown result type (might be due to invalid IL or missing references)
			//IL_001d: Expected O, but got Unknown
			if ((Object)(object)coroutineRunner == (Object)null)
			{
				GameObject val = new GameObject("CoroutineRunner");
				Object.DontDestroyOnLoad((Object)val);
				coroutineRunner = val.AddComponent<CoroutineRunner>();
			}
			return ((MonoBehaviour)coroutineRunner).StartCoroutine(routine);
		}
	}
	public static class MyPluginInfo
	{
		public const string PLUGIN_GUID = "UndoEverywhere";

		public const string PLUGIN_NAME = "UndoEverywhere";

		public const string PLUGIN_VERSION = "0.2.3";
	}
}
namespace UndoEverywhere.Patches
{
	[HarmonyPatch(typeof(PauseDialog), "ShouldShowRestartBattleButton")]
	internal static class PauseDialog_RestartOutsideBattle_Patch
	{
		private static void Postfix(SaveManager ___saveManager, ref bool __result)
		{
			//IL_0017: Unknown result type (might be due to invalid IL or missing references)
			if (!__result && !((Object)(object)___saveManager == (Object)null) && StageStartMarker.HasCheckpoint(___saveManager) && StageStartMarker.IsRestartableState(___saveManager.GetGameSequence()))
			{
				__result = true;
			}
		}
	}
	[HarmonyPatch(typeof(PauseDialog), "RefreshRestartBattleButton")]
	internal static class PauseDialog_RestartLabel_Patch
	{
		private static string? vanillaText;

		internal static bool RingRestartArmed { get; private set; }

		internal static string? VanillaConfirmText { get; private set; }

		private static void Postfix(SaveManager ___saveManager, TMP_Text ___restartBattleNormalLabel, string ___confirmRestartBattleKey)
		{
			//IL_002c: Unknown result type (might be due to invalid IL or missing references)
			if (vanillaText == null)
			{
				vanillaText = ___restartBattleNormalLabel.text;
			}
			bool flag = (Object)(object)___saveManager != (Object)null && !___saveManager.IsInBattle() && StageStartMarker.HasCheckpoint(___saveManager) && StageStartMarker.IsRestartableState(___saveManager.GetGameSequence());
			___restartBattleNormalLabel.text = (flag ? "Restart Ring" : vanillaText);
			RingRestartArmed = flag;
			if (flag)
			{
				VanillaConfirmText = (string.IsNullOrEmpty(___confirmRestartBattleKey) ? null : LocalizationExtensions.Localize(___confirmRestartBattleKey, (ILocalizationParameterContext)null));
			}
		}
	}
	[HarmonyPatch(typeof(ScreenManager), "ShowConfirmationDialog")]
	internal static class ScreenManager_RingRestartConfirmText_Patch
	{
		private static void Prefix(ref string content)
		{
			if (PauseDialog_RestartLabel_Patch.RingRestartArmed)
			{
				string vanillaConfirmText = PauseDialog_RestartLabel_Patch.VanillaConfirmText;
				if (!string.IsNullOrEmpty(vanillaConfirmText) && content == vanillaConfirmText)
				{
					content = "Are you sure you want to restart the current ring?";
				}
			}
		}
	}
	[HarmonyPatch(typeof(SaveManager), "RestartBattle")]
	internal static class SaveManager_RestartStage_Patch
	{
		private static bool Prefix(SaveManager __instance)
		{
			if (__instance.IsInBattle())
			{
				return true;
			}
			if (!StageStartMarker.TryGetCheckpointJson(__instance, out string json))
			{
				Plugin.Logger.LogWarning((object)"[SaveManager_RestartStage_Patch] no stage-start checkpoint set, aborting restart");
				return false;
			}
			try
			{
				Plugin.RunCoroutine(RestartStageCoroutine(__instance, json));
			}
			catch (Exception arg)
			{
				Plugin.Logger.LogError((object)$"[SaveManager_RestartStage_Patch] exception starting coroutine: {arg}");
			}
			return false;
		}

		private static IEnumerator RestartStageCoroutine(SaveManager saveManager, string checkpointJson)
		{
			try
			{
				JsonUtility.FromJsonOverwrite(checkpointJson, StageStartMarker.GetActiveSaveData(saveManager));
			}
			catch (Exception arg)
			{
				Plugin.Logger.LogError((object)$"[SaveManager_RestartStage_Patch] exception restoring checkpoint: {arg}");
				yield break;
			}
			GameStateManager gameStateManager = AllGameManagers.Instance.GetGameStateManager();
			ScreenManager screenManager = AllGameManagers.Instance.GetScreenManager();
			RunType runType = saveManager.GetRunType();
			string sharecode = saveManager.GetShareCode();
			gameStateManager.LeaveGame();
			screenManager.ReturnToMainMenu();
			yield return (object)new WaitUntil((Func<bool>)(() => screenManager.GetScreenActive((ScreenName)15)));
			yield return null;
			yield return null;
			yield return null;
			bool runLoaded = false;
			gameStateManager.StartGame(runType, sharecode, (Action)delegate
			{
				runLoaded = true;
			});
			yield return (object)new WaitUntil((Func<bool>)(() => runLoaded));
		}
	}
	internal static class StageStartMarker
	{
		[Serializable]
		private class CheckpointHeader
		{
			public string id = string.Empty;
		}

		private static readonly PropertyInfo ActiveSaveDataProperty = AccessTools.Property(typeof(SaveManager), "ActiveSaveData");

		private static string? cachedPath;

		private static DateTime cachedStamp;

		private static long cachedLength;

		private static string? cachedRunId;

		private static string? CheckpointPath(SaveManager saveManager)
		{
			string activeSavePath = saveManager.ActiveSavePath;
			if (!string.IsNullOrEmpty(activeSavePath))
			{
				return activeSavePath + ".stagestart";
			}
			return null;
		}

		internal static object GetActiveSaveData(SaveManager saveManager)
		{
			return ActiveSaveDataProperty.GetValue(saveManager);
		}

		private static bool HasRealRun(SaveManager saveManager)
		{
			if (saveManager.HasRun((RunType)(-1), "", true))
			{
				return saveManager.GetCurrentDistance() >= 0;
			}
			return false;
		}

		internal static void CaptureCurrent(SaveManager saveManager, string reason)
		{
			string text = CheckpointPath(saveManager);
			if (text == null || !HasRealRun(saveManager))
			{
				Plugin.Logger.LogDebug((object)("[StageStartMarker] skipped capture (" + reason + "): no set-up run yet"));
				return;
			}
			try
			{
				string contents = JsonUtility.ToJson(GetActiveSaveData(saveManager));
				File.WriteAllText(text, contents);
				InvalidateRunIdCache();
			}
			catch (Exception arg)
			{
				Plugin.Logger.LogError((object)$"[StageStartMarker] failed to capture checkpoint ({reason}) to '{text}': {arg}");
			}
		}

		private static string? LiveRunId(SaveManager saveManager)
		{
			object activeSaveData = GetActiveSaveData(saveManager);
			object obj = ((activeSaveData is SaveData) ? activeSaveData : null);
			if (obj == null)
			{
				return null;
			}
			return ((BaseSaveData)obj).GetID();
		}

		private static string? CheckpointRunId(string path)
		{
			FileInfo fileInfo = new FileInfo(path);
			if (!fileInfo.Exists)
			{
				return null;
			}
			if (path == cachedPath && fileInfo.LastWriteTimeUtc == cachedStamp && fileInfo.Length == cachedLength)
			{
				return cachedRunId;
			}
			try
			{
				cachedRunId = JsonUtility.FromJson<CheckpointHeader>(File.ReadAllText(path))?.id;
			}
			catch (Exception arg)
			{
				Plugin.Logger.LogError((object)$"[StageStartMarker] failed to read checkpoint run id from '{path}': {arg}");
				cachedRunId = null;
			}
			cachedPath = path;
			cachedStamp = fileInfo.LastWriteTimeUtc;
			cachedLength = fileInfo.Length;
			return cachedRunId;
		}

		private static bool IsCheckpointForCurrentRun(SaveManager saveManager, string path)
		{
			string text = LiveRunId(saveManager);
			if (!string.IsNullOrEmpty(text))
			{
				return CheckpointRunId(path) == text;
			}
			return false;
		}

		internal static bool HasCheckpoint(SaveManager saveManager)
		{
			string text = CheckpointPath(saveManager);
			if (text != null)
			{
				return IsCheckpointForCurrentRun(saveManager, text);
			}
			return false;
		}

		private static void InvalidateRunIdCache()
		{
			cachedPath = null;
			cachedRunId = null;
		}

		internal static void DeleteCheckpoint(SaveManager saveManager, string reason)
		{
			string text = CheckpointPath(saveManager);
			if (text == null || !File.Exists(text))
			{
				return;
			}
			try
			{
				File.Delete(text);
				InvalidateRunIdCache();
			}
			catch (Exception arg)
			{
				Plugin.Logger.LogError((object)$"[StageStartMarker] failed to delete checkpoint ({reason}) at '{text}': {arg}");
			}
		}

		internal static bool TryGetCheckpointJson(SaveManager saveManager, out string json)
		{
			string text = CheckpointPath(saveManager);
			if (text == null || !IsCheckpointForCurrentRun(saveManager, text))
			{
				json = string.Empty;
				return false;
			}
			json = File.ReadAllText(text);
			return true;
		}

		internal static bool IsRestartableState(GameSequence sequence)
		{
			//IL_0000: Unknown result type (might be due to invalid IL or missing references)
			//IL_0002: Invalid comparison between Unknown and I4
			//IL_0004: Unknown result type (might be due to invalid IL or missing references)
			//IL_0006: Invalid comparison between Unknown and I4
			//IL_0008: Unknown result type (might be due to invalid IL or missing references)
			//IL_000a: Invalid comparison between Unknown and I4
			//IL_000c: Unknown result type (might be due to invalid IL or missing references)
			//IL_000e: Invalid comparison between Unknown and I4
			if ((int)sequence != 1 && (int)sequence != 6 && (int)sequence != 4)
			{
				return (int)sequence > 0;
			}
			return false;
		}
	}
	[HarmonyPatch(typeof(MapScreen), "HandleCurrentGameSequence")]
	internal static class MapScreen_StageStartBackfill_Patch
	{
		private static void Postfix(SaveManager ___saveManager)
		{
			if ((Object)(object)___saveManager != (Object)null && ___saveManager.IsAlive() && !StageStartMarker.HasCheckpoint(___saveManager))
			{
				StageStartMarker.CaptureCurrent(___saveManager, "MapScreen.HandleCurrentGameSequence");
			}
		}
	}
	[HarmonyPatch(typeof(GameStateManager), "EndGame")]
	internal static class GameStateManager_ClearCheckpointOnRunEnd_Patch
	{
		private static void Postfix(EndGameReason endGameReason)
		{
			//IL_001c: Unknown result type (might be due to invalid IL or missing references)
			//IL_0022: Invalid comparison between Unknown and I4
			//IL_002a: Unknown result type (might be due to invalid IL or missing references)
			AllGameManagers instance = AllGameManagers.Instance;
			SaveManager val = ((instance != null) ? instance.GetSaveManager() : null);
			if ((Object)(object)val != (Object)null && (int)val.GetGameSequence() == 4)
			{
				StageStartMarker.DeleteCheckpoint(val, $"run ended ({endGameReason})");
			}
		}
	}
	[HarmonyPatch(typeof(GameScreen), "ShowScreenAfterBattle")]
	internal static class GameScreen_StageStartMarker_Patch
	{
		private static void Postfix(SaveManager ___saveManager)
		{
			//IL_0001: Unknown result type (might be due to invalid IL or missing references)
			//IL_0007: Invalid comparison between Unknown and I4
			if ((int)___saveManager.GetGameSequence() != 4)
			{
				StageStartMarker.CaptureCurrent(___saveManager, "ShowScreenAfterBattle");
			}
		}
	}
}