Config file and multiple modes

Config.cs

@@ -0,0 +1,101 @@
+using I2.Loc.SimpleJSON;
+using System;
+using System.IO;
+using System.Reflection;
+using System.Web;
+using UnityEngine;
+
+namespace MiuuDiamondTimeViewer
+{
+	public enum DisplayMode
+	{
+		Never,
+		Diamond,
+		Gold,
+		Always,
+	}
+
+	public class Config
+	{
+		private const string CONFIG_FILE_NAME = "config.json";
+
+		public static bool Enabled = true;
+		public static DisplayMode Mode = DisplayMode.Diamond;
+
+		public static void Init()
+		{
+			if (File.Exists(GetConfigPath()))
+				ReadConfig();
+			else
+				SaveConfig();
+		}
+
+		public static void ReadConfig()
+		{
+			if (!File.Exists(GetConfigPath()))
+				return;
+
+			JSONNode data;
+			try
+			{
+				data = JSON.Parse(File.ReadAllText(GetConfigPath()));
+			}
+			catch (Exception e)
+			{
+				Debug.LogError("Exception reading DiamondViewer config: " + e.Message);
+				return;
+			}
+
+			if (data["enabled"] != null)
+				Enabled = data["enabled"].AsBool;
+			
+			if (data["mode"] != null)
+			{
+				string mode = data["mode"].Value.ToLower();
+
+				switch(mode)
+				{
+					case "never":
+						Mode = DisplayMode.Never;
+						break;
+					case "diamond":
+						Mode = DisplayMode.Diamond;
+						break;
+					case "gold":
+						Mode = DisplayMode.Gold;
+						break;
+					case "always":
+						Mode = DisplayMode.Always;
+						break;
+				}
+			}
+		}
+
+		public static void SaveConfig()
+		{
+			JSONNode node = new JSONClass();
+			node.Add("enabled", Enabled ? "true" : "false");
+			switch(Mode)
+			{
+				case DisplayMode.Never:
+					node.Add("mode", "never");
+					break;
+				case DisplayMode.Diamond:
+					node.Add("mode", "diamond");
+					break;
+				case DisplayMode.Gold:
+					node.Add("mode", "gold");
+					break;
+				case DisplayMode.Always:
+					node.Add("mode", "always");
+					break;
+			}
+			File.WriteAllText(GetConfigPath(), node.ToString());
+		}
+
+		public static string GetConfigPath()
+		{
+			return Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), CONFIG_FILE_NAME);
+		}
+	}
+}

Patcher.cs

@@ -13,6 +13,7 @@ namespace MiuuDiamondTimeViewer
 		public static void OnStartup()
 		{
 			SceneManager.sceneLoaded += beginPatch;
+			Config.Init();
 		}
 
 		private static void beginPatch(Scene scene, LoadSceneMode loadSceneMode)

Patches/MedalsDisplayPatches.cs

@@ -11,6 +11,9 @@ namespace MiuuDiamondTimeViewer.Patches
 	{
 		static bool Prefix(MedalsDisplay __instance, float silver, float gold, List<string> eggUnlock)
 		{
+			if (!Config.Enabled)
+				return true;
+
 			// Get diamond time (since it is not passed in as a parameter)
 			float diamond = LevelSelect.instance.level.DiamondTime;
 
@@ -21,8 +24,25 @@ namespace MiuuDiamondTimeViewer.Patches
 			if (hasEgg)
 				eggText = (gotEgg ? "<space=0.5em> <sprite=9>" : "<space=0.5em> <sprite=8>");
 
+			bool showDiamondTime = false;
+			switch (Config.Mode)
+			{
+				case DisplayMode.Always:
+					showDiamondTime = true;
+					break;
+				case DisplayMode.Diamond:
+					showDiamondTime = LevelSelect.instance.bestScore > 0f && LevelSelect.instance.bestScore <= diamond;
+					break;
+				case DisplayMode.Gold:
+					showDiamondTime = LevelSelect.instance.bestScore > 0f && LevelSelect.instance.bestScore <= gold;
+					break;
+				case DisplayMode.Never:
+					showDiamondTime = false;
+					break;
+			}
+
 			string diamondText = "";
-			if (LevelSelect.instance.bestScore > 0f && LevelSelect.instance.bestScore <= diamond)
+			if (showDiamondTime)
 				diamondText = "<sprite=3> " + SegmentedTime.SPTimeText(diamond);
 
 			__instance.MedalTimes.text = string.Concat(new string[]