// RollcallFactory.cs
//
//  Copyright (C) 2008 IBBoard
//
// This library 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 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
//
//

using System;
using System.Collections.Generic;
using System.IO;
using IBBoard.Logging;
using IBBoard.WarFoundry.API.Factories;
using IBBoard.WarFoundry.API.Objects;

namespace IBBoard.WarFoundry.Plugin.Rollcall
{
	public class RollcallFactory : AbstractNonNativeFileExtensionWarFoundryFactory
	{
		public static RollcallFactory CreateFactory()
		{
			return new RollcallFactory();
		}
		
		public override string NonNativeDataType
		{
			get { return "Rollcall ADF files"; }
		}

		
		protected override string ArmyFileExtension {
			get { return null; }
		}
		
		protected override string GameSystemFileExtension {
			get { return null; }
		}

		protected override string RaceFileExtension {
			get { return ".adf"; }
		}
		
		protected override ICollection<IWarFoundryObject> DoCreateObjectsFromFile(FileInfo file)
		{			
			ICollection<IWarFoundryObject> objects = null;
			IWarFoundryObject obj = null;
			
			if (IsRaceFile(file))
			{
				obj = CreateRaceFromFile(file);
			}
			else if (IsArmyFile(file))
			{
				obj = CreateArmyFromFile(file);
			}
			
			if (obj != null)
			{
				objects = new List<IWarFoundryObject>();
				objects.Add(obj);
				objects.Add(new GameSystem("Rollcall", "Rollcall armies"));
			}
			
			return objects;
		}

		protected override Army CreateArmyFromFile (FileInfo file)
		{			
			return null;
		}
		
		protected override Race CreateRaceFromFile(FileInfo file)
		{
			//TODO parse army file
			StreamReader stream = file.OpenText();
			string id = null, name = null;
			
			while (!stream.EndOfStream)
			{
				string line = stream.ReadLine();
				
				if (line.StartsWith("["))
				{					
					string sectionTitle = line.Trim().Substring(1, line.Length - 2);
					string sectionTitleLower = sectionTitle.ToLower();
					
					if (sectionTitleLower.Equals("army"))
					{
						ReadRaceSection(stream, out id, out name);
					}
					else if (sectionTitleLower.Equals("category"))
					{
						ReadCategorySection(stream);
					}
					else if (sectionTitleLower.StartsWith("unit"))
					{
						ReadUnitSection(stream, sectionTitle);
					}
					else
					{
						ReadEquipmentSection(stream, sectionTitle);
					}
				}				
				//else ignore the line
			}
			
			LogNotifier.Debug(GetType(), "Loaded race ID "+id);
			return new Race(id, name, "Rollcall");
		}

		private void ReadRaceSection(StreamReader stream, out string id, out string name)
		{
			id = name = null;
			
			while (!stream.EndOfStream && stream.Peek() != '[')
			{
				string line = stream.ReadLine();
				
				if (line.StartsWith("BitCodeID="))
				{
					id = line.Substring(10);
				}
				else if (line.StartsWith("Name="))
				{
					name = line.Substring(5);
				}
			}
		}
		
		private void ReadCategorySection(StreamReader stream)
		{
		}
		
		private void ReadUnitSection(StreamReader stream, string unitSectionTitle)
		{
		}
		
		private void ReadEquipmentSection(StreamReader stream, string equipmentSectionTitle)
		{
		}
		
		protected override GameSystem CreateGameSystemFromFile (FileInfo file)
		{
			//Return null because there is no such thing
			//TODO Check whether we should exception
			return null;
		}
	}
}