using System;
using System.Diagnostics;
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.Versioning;
using System.Security;
using System.Security.Permissions;
using System.Text.RegularExpressions;
using BepInEx;
using BepInEx.Configuration;
using HarmonyLib;
using Microsoft.CodeAnalysis;
using MonoMod.RuntimeDetour;
using TMProOld;
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("RomanNumerals")]
[assembly: AssemblyConfiguration("Release")]
[assembly: AssemblyFileVersion("1.0.0.0")]
[assembly: AssemblyInformationalVersion("1.0.0+8cb4a3ea608b6acf87be2e515504329a1770dd71")]
[assembly: AssemblyProduct("RomanNumerals")]
[assembly: AssemblyTitle("RomanNumerals")]
[assembly: AssemblyMetadata("RepositoryUrl", "https://github.com/dpinela/RomanNumerals")]
[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 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 RomanNumerals
{
	[BepInPlugin("io.github.dpinela.romannumerals", "RomanNumerals", "1.0.0")]
	public class RomanNumeralsPlugin : BaseUnityPlugin
	{
		[HarmonyPatch(typeof(SaveSlotButton), "Awake")]
		private static class SaveButtonPatch
		{
			private static void Postfix(SaveSlotButton __instance)
			{
				Text component = ((Component)__instance.slotNumberText).GetComponent<Text>();
				component.resizeTextForBestFit = true;
				component.text = component.text;
			}
		}

		private Settings? settings;

		private Hook? textHook;

		private Hook? otherTextHook;

		private NativeDetour? textDetour;

		private static Action<TextMesh, string?>? origTMSetText;

		private static readonly Regex numberPattern = new Regex("(?<!<#)\\b\\d+");

		private static RomanNumeralsPlugin? Instance = null;

		private static readonly string[] hundreds = new string[10] { "", "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM" };

		private static readonly string[] tens = new string[10] { "", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC" };

		private static readonly string[] ones = new string[10] { "", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX" };

		public const string Id = "io.github.dpinela.romannumerals";

		private static bool Enabled => (Instance?.settings?.ModEnabled).GetValueOrDefault();

		public static string Name => "RomanNumerals";

		public static string Version => "1.0.0";

		private void Awake()
		{
			Instance = this;
			settings = new Settings(((BaseUnityPlugin)this).Config);
			if (settings.ModEnabled)
			{
				Hook();
			}
			settings.ModToggled += delegate
			{
				if (settings.ModEnabled)
				{
					Hook();
				}
				else
				{
					Unhook();
				}
			};
		}

		private void Hook()
		{
			//IL_0030: Unknown result type (might be due to invalid IL or missing references)
			//IL_003a: Expected O, but got Unknown
			//IL_005e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0068: Expected O, but got Unknown
			//IL_0096: Unknown result type (might be due to invalid IL or missing references)
			//IL_00a0: Expected O, but got Unknown
			//IL_00b5: Unknown result type (might be due to invalid IL or missing references)
			if (textHook == null)
			{
				BindingFlags bindingAttr = BindingFlags.Instance | BindingFlags.Public;
				MethodInfo method = typeof(TextMeshPro).GetMethod("set_text", bindingAttr);
				textHook = new Hook((MethodBase)method, (Delegate)new Action<Action<TextMeshPro, string>, TextMeshPro, string>(ReplaceText));
				method = typeof(Text).GetMethod("set_text", bindingAttr);
				otherTextHook = new Hook((MethodBase)method, (Delegate)new Action<Action<Text, string>, Text, string>(ReplaceTextUEUI));
				method = typeof(TextMesh).GetMethod("set_text", bindingAttr);
				textDetour = new NativeDetour((MethodBase)method, (MethodBase)typeof(RomanNumeralsPlugin).GetMethod("ReplaceTextUE", BindingFlags.Static | BindingFlags.NonPublic));
				origTMSetText = textDetour.GenerateTrampoline<Action<TextMesh, string>>();
				new Harmony("io.github.dpinela.romannumerals").PatchAll();
			}
		}

		public void Unhook()
		{
			if (textHook != null)
			{
				textHook.Dispose();
				textHook = null;
				otherTextHook.Dispose();
				otherTextHook = null;
				textDetour.Dispose();
				textDetour = null;
				origTMSetText = null;
			}
		}

		private void ReplaceText(Action<TextMeshPro, string?> orig, TextMeshPro self, string? origText)
		{
			orig(self, Romanify(origText));
		}

		private void ReplaceTextUEUI(Action<Text, string?> orig, Text self, string? origText)
		{
			orig(self, Romanify(origText));
		}

		private static void ReplaceTextUE(TextMesh self, string? text)
		{
			origTMSetText(self, Romanify(text));
		}

		private static string? Romanify(string? text)
		{
			if (text == null)
			{
				return null;
			}
			return numberPattern.Replace(text, (Match m) => RomanifyNumber(m.Value));
		}

		private static string RomanifyNumber(string val)
		{
			if (!int.TryParse(val, out var result))
			{
				return val;
			}
			return RomanifyNumber(result);
		}

		private static string RomanifyNumber(int x)
		{
			if (x == 0)
			{
				return "N";
			}
			if (x < 4000)
			{
				return RomanifySmallNumber(x);
			}
			return "(" + RomanifySmallNumber(x / 1000) + ")" + RomanifySmallNumber(x % 1000);
		}

		private static string RomanifySmallNumber(int x)
		{
			string text = new string('M', x / 1000);
			x %= 1000;
			string text2 = text + hundreds[x / 100];
			x %= 100;
			string text3 = text2 + tens[x / 10];
			x %= 10;
			return text3 + ones[x];
		}
	}
	internal class Settings
	{
		private ConfigEntry<bool> _modEnabled;

		public bool ModEnabled => _modEnabled.Value;

		public event Action ModToggled = delegate
		{
		};

		public Settings(ConfigFile config)
		{
			_modEnabled = config.Bind<bool>("", "Mod Enabled", true, "Turn all numbers into Roman numerals");
			_modEnabled.SettingChanged += delegate
			{
				this.ModToggled?.Invoke();
			};
		}
	}
}