#region Copyright & License Information
/*
 * Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
 * This file is part of OpenRA, which is free software. It is made 
 * available to you under the terms of the GNU General Public License
 * as published by the Free Software Foundation. For more information,
 * see LICENSE.
 */
#endregion

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;

namespace OpenRA.FileFormats
{
	public class MapStub
	{
		public IFolder Package { get; protected set; }
		
		// Yaml map data
		public string Uid { get; protected set; }
		[FieldLoader.Load] public bool Selectable;

		[FieldLoader.Load] public string Title;
		[FieldLoader.Load] public string Description;
		[FieldLoader.Load] public string Author;
		[FieldLoader.Load] public int PlayerCount;
		[FieldLoader.Load] public string Tileset;

		[FieldLoader.LoadUsing( "LoadWaypoints" )]
		public Dictionary<string, int2> Waypoints = new Dictionary<string, int2>();
		public IEnumerable<int2> SpawnPoints { get { return Waypoints.Select(kv => kv.Value); } }
		
		[FieldLoader.Load] public int2 TopLeft;
		[FieldLoader.Load] public int2 BottomRight;
		public int Width { get { return BottomRight.X - TopLeft.X; } }
		public int Height { get { return BottomRight.Y - TopLeft.Y; } }
		
		public MapStub() {} // Hack for the editor - not used for anything important
		public MapStub(IFolder package)
		{
			Package = package;
			var yaml = MiniYaml.FromStream(Package.GetContent("map.yaml"));
			FieldLoader.Load( this, new MiniYaml( null, yaml ) );
			
			Uid = Package.GetContent("map.uid").ReadAllText();
		}

		static object LoadWaypoints( MiniYaml y )
		{
			var ret = new Dictionary<string, int2>();
			foreach( var wp in y.NodesDict[ "Waypoints" ].NodesDict )
			{
				string[] loc = wp.Value.Value.Split( ',' );
				ret.Add( wp.Key, new int2( int.Parse( loc[ 0 ] ), int.Parse( loc[ 1 ] ) ) );
			}
			return ret;
		}
	}
}