using I2.Loc.SimpleJSON;
using System;
using System.IO;
using System.Reflection;
using UnityEngine;

namespace DiamondTimeViewer
{
	public enum DisplayMode
	{
		Never,
		Diamond,
		Gold,
		Always,
	}

	public class Config
	{
		private const string CONFIG_FILE_NAME = "config.json";

		public static DisplayMode Mode = DisplayMode.Diamond;
		public static bool HideSilver = false;

		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["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;
				}
			}

			if (data["hideSilver"] != null)
				HideSilver = data["hideSilver"].AsBool;
		}

		public static void SaveConfig()
		{
			JSONNode node = new JSONClass();
			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;
			}
			node.Add("hideSilver", HideSilver ? "true" : "false");
			File.WriteAllText(GetConfigPath(), JsonHelper.FormatJson(node.ToString(), "\t"));
		}

		public static string GetConfigPath()
		{
			return Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), CONFIG_FILE_NAME);
		}
	}
}