using System;
using Server;
using Server.Commands;
using Server.Commands.Generic;

namespace Server.Items
{
	public class ToggleItem : Item
	{
		public class ToggleCommand : BaseCommand
		{
			public ToggleCommand()
			{
				AccessLevel = AccessLevel.GameMaster;
				Supports = CommandSupport.AllItems;
				Commands = new string[]{ "Toggle" };
				ObjectTypes = ObjectTypes.Items;
				Usage = "Toggle";
				Description = "Toggles a targeted ToggleItem.";
			}

			public override void Execute( CommandEventArgs e, object obj )
			{
				if ( obj is ToggleItem )
				{
					((ToggleItem)obj).Toggle();
					AddResponse( "The item has been toggled." );
				}
				else
				{
					LogFailure( "That is not a ToggleItem." );
				}
			}
		}

		public static void Initialize()
		{
			TargetCommands.Register( new ToggleCommand() );
		}

		private int m_InactiveItemID;
		private int m_ActiveItemID;
		private bool m_PlayersCanToggle;

		[CommandProperty( AccessLevel.GameMaster )]
		public int InactiveItemID
		{
			get { return m_InactiveItemID; }
			set { m_InactiveItemID = value; }
		}

		[CommandProperty( AccessLevel.GameMaster )]
		public int ActiveItemID
		{
			get { return m_ActiveItemID; }
			set { m_ActiveItemID = value; }
		}

		[CommandProperty( AccessLevel.GameMaster )]
		public bool PlayersCanToggle
		{
			get { return m_PlayersCanToggle; }
			set { m_PlayersCanToggle = value; }
		}

		[Constructable]
		public ToggleItem( int inactiveItemID, int activeItemID )
			: this( inactiveItemID, activeItemID, false )
		{
		}

		[Constructable]
		public ToggleItem( int inactiveItemID, int activeItemID, bool playersCanToggle )
			: base( inactiveItemID )
		{
			Movable = false;

			m_InactiveItemID = inactiveItemID;
			m_ActiveItemID = activeItemID;
			m_PlayersCanToggle = playersCanToggle;
		}

		public override void OnDoubleClick( Mobile from )
		{
			if ( from.AccessLevel >= AccessLevel.GameMaster )
			{
				Toggle();
			}
			else if ( m_PlayersCanToggle )
			{
				if ( from.InRange( GetWorldLocation(), 1 ) )
					Toggle();
				else
					from.SendLocalizedMessage( 500446 ); // That is too far away.
			}
		}

		public void Toggle()
		{
			ItemID = ( ItemID == m_ActiveItemID ) ? m_InactiveItemID : m_ActiveItemID;
			Visible = ( ItemID != 0x1 );
		}

		public ToggleItem( Serial serial )
			: base( serial )
		{
		}

		public override void Serialize( GenericWriter writer )
		{
			base.Serialize( writer );

			writer.Write( (int) 0 ); // version

			writer.Write( m_InactiveItemID );
			writer.Write( m_ActiveItemID );
			writer.Write( m_PlayersCanToggle );
		}

		public override void Deserialize( GenericReader reader )
		{
			base.Deserialize( reader );

			int version = reader.ReadInt();

			m_InactiveItemID = reader.ReadInt();
			m_ActiveItemID = reader.ReadInt();
			m_PlayersCanToggle = reader.ReadBool();
		}
	}
}