/*
 JC2MapViewer
 Copyright 2010 - DerPlaya78
 
 this program is free software: you can redistribute it and/or modify
 it under the terms of the GNU Lesser General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU Lesser General Public License
 along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
using System.Collections.Generic;
using System.IO;

namespace JC2.Save
{
    public static class ClassLookup
    {
        static Dictionary<uint, string> _lookup = null;

        public static string GetClassName(uint objectID)
        {
            if (_lookup == null)
            {
                _lookup = new Dictionary<uint, string>();

                try
                {
                    using (StreamReader reader = new StreamReader("Resources\\objectids.txt"))
                    {
                        while (!reader.EndOfStream)
                        {
                            string item = reader.ReadLine();
                            if (item.Length > 0)
                            {
                                string[] split = item.Split('\t');
                                uint key = uint.Parse(split[0], System.Globalization.NumberStyles.HexNumber, null);
                                if (!_lookup.ContainsKey(key))
                                {
                                    _lookup.Add(key, split[1]);
                                }
                            }
                        }
                    }
                }
                catch { }
            }

            if (_lookup.ContainsKey(objectID))
            {
                return _lookup[objectID];
            }
            return null;
        }
    }
}
