#region Copyright & License Information
/*
 * Copyright 2007-2011 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 COPYING.
 */
#endregion

using System.Linq;
using OpenRA.FileFormats;
using OpenRA.Traits;
using OpenRA.Mods.RA.Move;

namespace OpenRA.Mods.RA
{
	public class LeavesHuskInfo : ITraitInfo
	{
		[ActorReference]
		public readonly string HuskActor = null;

		public object Create( ActorInitializer init ) { return new LeavesHusk(this); }
	}

	public class LeavesHusk : INotifyKilled
	{
		LeavesHuskInfo Info;
		public LeavesHusk(LeavesHuskInfo info)
		{
			Info = info;
		}

		public void Killed(Actor self, AttackInfo e)
		{
			self.World.AddFrameEndTask(w =>
			{
				var td = new TypeDictionary()
				{
					new LocationInit( self.Location ),
					new CenterLocationInit(self.CenterLocation),
					new OwnerInit( self.Owner ),
					new SkipMakeAnimsInit()
				};

				// Allows the husk to drag to its final position
				var mobile = self.TraitOrDefault<Mobile>();
				if (mobile != null)
				{
					if (!mobile.CanEnterCell(self.Location, self, false)) return;
					td.Add(new HuskSpeedInit(mobile.MovementSpeedForCell(self, self.Location)));
				}

				var facing = self.TraitOrDefault<IFacing>();
				if (facing != null)
					td.Add(new FacingInit( facing.Facing ));

				// TODO: This will only take the first turret if there are multiple
				// This isn't a problem with the current units, but may be a problem for mods
				var turreted = self.TraitsImplementing<Turreted>().FirstOrDefault();
				if (turreted != null)
					td.Add( new TurretFacingInit(turreted.turretFacing) );

				var huskActor = self.TraitsImplementing<IHuskModifier>()
					.Select(ihm => ihm.HuskActor(self))
					.FirstOrDefault(a => a != null);

				w.CreateActor(huskActor ?? Info.HuskActor, td);
			});
		}
	}
}