using System;
using System.Collections.Generic;
using System.IO;
using SUISS.Core;
using UnityEngine;

namespace Inno.DLC
{
	public class DLCManager
	{
		public DLCManager(string propertiesFilename)
		{
			this._propertiesFilename = propertiesFilename;
			try
			{
				this.ParseConfig();
				this.CheckFolder();
				this.CheckFiles();
				this._enabled = true;
			}
			catch (Exception ex)
			{
				UnityEngine.Debug.LogError(string.Format("Disabling DLC: {0}", ex.Message));
				this._enabled = false;
			}
		}

		public static string AbsolutePath(string name)
		{
			return PathHandler.Combine(DLCManager.DLCFolderPath, name);
		}

		public DLCGroup GetGroup(string id)
		{
			if (this._groups.ContainsKey(id))
			{
				return this._groups[id];
			}
			return this._emptyGroup;
		}

		public IList<DLCGroup> AllGroups
		{
			get
			{
				return new List<DLCGroup>(this._groups.Values).AsReadOnly();
			}
		}

		public bool IsEnabled
		{
			get
			{
				return this._enabled;
			}
		}

		private static string DLCFolderPath
		{
			get
			{
				return PathHandler.Combine(Application.persistentDataPath, "dlc");
			}
		}

		private void ParseConfig()
		{
			TextAsset textAsset = Resources.Load(this._propertiesFilename) as TextAsset;
			if (textAsset != null)
			{
				string text = textAsset.text.Trim();
				string[] array = text.Split(new char[]
				{
					'\n'
				});
				Dictionary<string, Dictionary<string, Dictionary<string, string>>> dictionary = new Dictionary<string, Dictionary<string, Dictionary<string, string>>>();
				int num = 0;
				foreach (string text2 in array)
				{
					num++;
					string text3 = text2.Trim();
					if (text3.Length > 0)
					{
						int num2 = text3.IndexOf('=');
						if (num2 >= 0)
						{
							string text4 = text3.Substring(0, num2).TrimEnd(new char[0]);
							string value = text3.Substring(num2 + 1).TrimStart(new char[0]);
							int num3 = text4.IndexOf('.');
							if (num3 >= 0)
							{
								string key = text4.Substring(0, num3).TrimEnd(new char[0]);
								string text5 = text4.Substring(num3 + 1).TrimStart(new char[0]);
								int num4 = text5.IndexOf('.');
								if (num4 >= 0)
								{
									string key2 = text5.Substring(0, num4).TrimEnd(new char[0]);
									string key3 = text5.Substring(num4 + 1).TrimStart(new char[0]);
									if (!dictionary.ContainsKey(key))
									{
										dictionary[key] = new Dictionary<string, Dictionary<string, string>>();
									}
									if (!dictionary[key].ContainsKey(key2))
									{
										dictionary[key][key2] = new Dictionary<string, string>();
									}
									dictionary[key][key2][key3] = value;
								}
							}
						}
						else
						{
							UnityEngine.Debug.LogWarning(string.Format("Parse error in dlc.properties line {0}: cannot find '=' token.", num));
						}
					}
				}
				foreach (KeyValuePair<string, Dictionary<string, Dictionary<string, string>>> keyValuePair in dictionary)
				{
					this._groups[keyValuePair.Key] = new DLCGroup(keyValuePair.Key, keyValuePair.Value);
				}
			}
		}

		private void CheckFolder()
		{
			string dlcfolderPath = DLCManager.DLCFolderPath;
			if (!Directory.Exists(dlcfolderPath))
			{
				Directory.CreateDirectory(dlcfolderPath);
			}
		}

		private void CheckFiles()
		{
			foreach (DLCGroup dlcgroup in this._groups.Values)
			{
				dlcgroup.CheckFiles();
			}
		}

		private const string DLCFolder = "dlc";

		private string _propertiesFilename;

		private Dictionary<string, DLCGroup> _groups = new Dictionary<string, DLCGroup>();

		private readonly DLCGroup _emptyGroup = new DLCGroup(string.Empty, new Dictionary<string, Dictionary<string, string>>());

		private bool _enabled;
	}
}