using I2.Loc.SimpleJSON;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using UnityEngine;

namespace CustomCosmeticLoader
{
	public class Config
	{
		public const string CONFIG_FILE_NAME = "config.json";
		public const string SKINS_DIR_NAME = "skins";

		public const string PROPERTY_ENABLED = "enabled";
		public const string PROPERTY_CURRENT_SKIN = "currentSkin";
		public const string PROPERTY_SKIN_NAME_TO_HIJACK = "skinNameToHijack";
		public const string PROPERTY_IN_MAIN_MENU = "inMainMenu";
		public const string PROPERTY_IN_COSMETIC_MENU = "inCosmeticMenu";

		public static bool enabled = true;
		public static string currentSkin;
		public static string skinNameToHijack = "Swirl_M"; // Mirage, simple skin with nice properties
		public static bool inMainMenu = true;
		public static bool inCosmeticMenu = false;

		public static Dictionary<string, Texture2D> skins = new Dictionary<string, Texture2D>();

		public static void Init()
		{
			bool configExists = File.Exists(GetConfigPath());
			if (configExists)
				ReadConfig();

			ensureSkinSelected();

			if (!configExists && enabled)
				SaveConfig();
		}

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

		private static void ReadConfig()
		{
			if (!File.Exists(GetConfigPath()))
				return;

			JSONNode data;
			try
			{
				data = JSON.Parse(File.ReadAllText(GetConfigPath()));
			}
			catch (Exception e)
			{
				Debug.LogError("Couldn't load CustomCosmeticLoader config!");
				Debug.LogException(e);
				return;
			}

			if (data[PROPERTY_ENABLED] != null)
				enabled = data[PROPERTY_ENABLED].AsBool;

			if (data[PROPERTY_CURRENT_SKIN] != null)
				currentSkin = data[PROPERTY_CURRENT_SKIN].Value;

			if (data[PROPERTY_SKIN_NAME_TO_HIJACK] != null)
				skinNameToHijack = data[PROPERTY_SKIN_NAME_TO_HIJACK].Value;

			if (data[PROPERTY_IN_MAIN_MENU] != null)
				inMainMenu = data[PROPERTY_IN_MAIN_MENU].AsBool;

			if (data[PROPERTY_IN_COSMETIC_MENU] != null)
				inCosmeticMenu = data[PROPERTY_IN_COSMETIC_MENU].AsBool;
		}

		public static void SaveConfig()
		{
			JSONNode node = new JSONClass
			{
				{ PROPERTY_ENABLED, enabled ? "true" : "false" },
				{ PROPERTY_CURRENT_SKIN, currentSkin },
				{ PROPERTY_SKIN_NAME_TO_HIJACK, skinNameToHijack },
				{ PROPERTY_IN_MAIN_MENU, inMainMenu ? "true" : "false" },
				{ PROPERTY_IN_COSMETIC_MENU, inCosmeticMenu ? "true" : "false" },
			};

			File.WriteAllText(GetConfigPath(), node.ToString());
		}

		public static void ensureSkinSelected()
		{
			if (currentSkin == null || !skins.ContainsKey(currentSkin))
			{
				if (skins.Count == 0)
				{
					Debug.LogWarning("No custom skins found, disabling");
					enabled = false;
					return;
				}
				currentSkin = skins.Keys.ToList()[0];
			}
		}
	}
}