using System;
using System.Collections.Generic;

namespace Inno.DLC
{
	public class DLCGroup
	{
		public DLCGroup(string id, Dictionary<string, Dictionary<string, string>> values)
		{
			this._identifier = id;
			foreach (KeyValuePair<string, Dictionary<string, string>> keyValuePair in values)
			{
				DLCFile dlcfile = new DLCFile(keyValuePair.Key, keyValuePair.Value);
				this._files.Add(dlcfile.Identifier, dlcfile);
			}
		}

		private DLCGroup()
		{
		}

		public static DLCGroup Merge(params DLCGroup[] groups)
		{
			DLCGroup dlcgroup = new DLCGroup();
			foreach (DLCGroup dlcgroup2 in groups)
			{
				dlcgroup._identifier = dlcgroup2._identifier;
				foreach (DLCFile dlcfile in dlcgroup2.AllFiles)
				{
					dlcgroup._files[dlcfile.Identifier] = dlcfile;
				}
			}
			return dlcgroup;
		}

		public string Identifier
		{
			get
			{
				return this._identifier;
			}
		}

		public DLCGroup FileSelection(string key, string value)
		{
			DLCGroup dlcgroup = new DLCGroup();
			dlcgroup._identifier = this._identifier;
			foreach (DLCFile dlcfile in this._files.Values)
			{
				if (dlcfile.GetProperty(key) == value)
				{
					dlcgroup._files.Add(dlcfile.Identifier, dlcfile);
				}
			}
			return dlcgroup;
		}

		public IList<DLCFile> AllFiles
		{
			get
			{
				return new List<DLCFile>(this._files.Values).AsReadOnly();
			}
		}

		public bool IsDownloaded
		{
			get
			{
				foreach (DLCFile dlcfile in this._files.Values)
				{
					if (!dlcfile.Exists)
					{
						return false;
					}
				}
				return true;
			}
		}

		public long RemainingDownloadSize
		{
			get
			{
				long num = 0L;
				foreach (DLCFile dlcfile in this._files.Values)
				{
					if (!dlcfile.Exists)
					{
						num += dlcfile.Bytes;
					}
				}
				return num;
			}
		}

		public void CheckFiles()
		{
			foreach (DLCFile dlcfile in this._files.Values)
			{
				if (dlcfile.Exists && !dlcfile.Check())
				{
					dlcfile.Delete();
				}
			}
		}

		public DLCFile GetFileWithName(string name)
		{
			foreach (DLCFile dlcfile in this._files.Values)
			{
				if (dlcfile.Name == name)
				{
					return dlcfile;
				}
			}
			return null;
		}

		private string _identifier;

		private Dictionary<string, DLCFile> _files = new Dictionary<string, DLCFile>();
	}
}