using System;
using System.Collections;
using Server;
using Server.Mobiles;
using Server.Targeting;
using Server.Network;
using System.Collections.Generic;

namespace Server.Commands
{
public class VisibilityList
{
public static void Initialize()
{
EventSink.Login += new LoginEventHandler( OnLogin );

CommandSystem.Register( "Vis", AccessLevel.Counselor, new CommandEventHandler( Vis_OnCommand ) );
CommandSystem.Register( "VisList", AccessLevel.Counselor, new CommandEventHandler( VisList_OnCommand ) );
CommandSystem.Register( "VisClear", AccessLevel.Counselor, new CommandEventHandler( VisClear_OnCommand ) );
}

public static void OnLogin( LoginEventArgs e )
{
if ( e.Mobile is PlayerMobile )
{
PlayerMobile pm = (PlayerMobile)e.Mobile;

pm.VisibilityList.Clear();
}
}

[Usage( "Vis" )]
[Description( "Adds or removes a targeted player from your visibility list.  Anyone on your visibility list will be able to see you at all times, even when you're hidden." )]
public static void Vis_OnCommand( CommandEventArgs e )
{
if ( e.Mobile is PlayerMobile )
{
e.Mobile.Target = new VisTarget();
e.Mobile.SendMessage( "Select person to add or remove from your visibility list." );
}
}

[Usage( "VisList" )]
[Description( "Shows the names of everyone in your visibility list." )]
public static void VisList_OnCommand( CommandEventArgs e )
{
if ( e.Mobile is PlayerMobile )
{
PlayerMobile pm = (PlayerMobile)e.Mobile;
List<Mobile> list = pm.VisibilityList;

if ( list.Count > 0 )
{
pm.SendMessage( "You are visible to {0} mobile{1}:", list.Count, list.Count == 1 ? "" : "s" );

for ( int i = 0; i < list.Count; ++i )
pm.SendMessage( "#{0}: {1}", i+1, list[i].Name );
}
else
{
pm.SendMessage( "Your visibility list is empty." );
}
}
}

[Usage( "VisClear" )]
[Description( "Removes everyone from your visibility list." )]
public static void VisClear_OnCommand( CommandEventArgs e )
{
if ( e.Mobile is PlayerMobile )
{
PlayerMobile pm = (PlayerMobile)e.Mobile;
List<Mobile> list = new List<Mobile>( pm.VisibilityList );

pm.VisibilityList.Clear();
pm.SendMessage( "Your visibility list has been cleared." );

for ( int i = 0; i < list.Count; ++i )
{
Mobile m = list[i];

if ( !m.CanSee( pm ) && Utility.InUpdateRange( m, pm ) )
m.Send( pm.RemovePacket );
}
}
}

private class VisTarget : Target
{
public VisTarget() : base( -1, false, TargetFlags.None )
{
}

protected override void OnTarget( Mobile from, object targeted )
{
if ( from is PlayerMobile && targeted is Mobile )
{
PlayerMobile pm = (PlayerMobile)from;
Mobile targ = (Mobile)targeted;

if ( targ.AccessLevel <= from.AccessLevel )
{
List<Mobile> list = pm.VisibilityList;

if ( list.Contains( targ ) )
{
list.Remove( targ );
from.SendMessage( "{0} has been removed from your visibility list.", targ.Name );
}
else
{
list.Add( targ );
from.SendMessage( "{0} has been added to your visibility list.", targ.Name );
}

if ( Utility.InUpdateRange( targ, from ) )
{
if ( targ.CanSee( from ) )
{
targ.Send( new Network.MobileIncoming( targ, from ) );

if ( ObjectPropertyList.Enabled )
{
targ.Send( from.OPLPacket );

foreach ( Item item in from.Items )
targ.Send( item.OPLPacket );
}
}
else
{
targ.Send( from.RemovePacket );
}
}
}
else
{
from.SendMessage( "They can already see you!" );
}
}
else
{
from.SendMessage( "Add only mobiles to your visibility list." );
}
}
}
}
}