using System;
using System.Collections;
using Server;

namespace Server.Items
{
	public class InvisibilityPotion : BasePotion
	{		
		public override int LabelNumber{ get{ return 1072941; } } // Potion of Invisibility

		[Constructable]
		public InvisibilityPotion() : base( 0xF0A, PotionEffect.Invisibility )
		{
			Hue = 0x48D;
		}

		public InvisibilityPotion( Serial serial ) : base( serial )
		{
		}
		
		public override void Drink( Mobile from )
		{
			if ( from.Hidden )
			{
				from.SendLocalizedMessage( 1073185 ); // You are already unseen.
				return;
			}
			
			if ( HasTimer( from ) )
			{
				from.SendLocalizedMessage( 1073186 ); // An invisibility potion is already taking effect on your person.
				return;
			}
			
			Consume();
			m_Table[ from ] = Timer.DelayCall( TimeSpan.FromSeconds( 2 ), new TimerStateCallback( Hide_Callback ), from );			
			PlayDrinkEffect( from );
		}
		
		private static void Hide_Callback( object obj )
		{
			if ( obj is Mobile )
				Hide( (Mobile) obj );
		}
		
		public static void Hide( Mobile m )
		{
			Effects.SendLocationParticles( EffectItem.Create( new Point3D( m.X, m.Y, m.Z + 16 ), m.Map, EffectItem.DefaultDuration ), 0x376A, 10, 15, 5045 );
			m.PlaySound( 0x3C4 );
			
			m.Hidden = true;
		
			BuffInfo.RemoveBuff( m, BuffIcon.HidingAndOrStealth );
			BuffInfo.AddBuff( m, new BuffInfo( BuffIcon.Invisibility, 1075825 ) );	//Invisibility/Invisible
			
			RemoveTimer( m );
			
			Timer.DelayCall( TimeSpan.FromSeconds( 30 ), new TimerStateCallback( EndHide_Callback ), m );
		}
		
		private static void EndHide_Callback( object obj )
		{
			if ( obj is Mobile )
				EndHide( (Mobile) obj );
		}
		
		public static void EndHide( Mobile m )
		{
			m.RevealingAction();
			RemoveTimer( m );
		}
		
		private static Hashtable m_Table = new Hashtable();

		public static bool HasTimer( Mobile m )
		{
			return m_Table[ m ] != null;
		}

		public static void RemoveTimer( Mobile m )
		{
			Timer t = (Timer) m_Table[ m ];

			if ( t != null )
			{
				t.Stop();
				m_Table.Remove( m );
			}
		}
		
		public static void Iterrupt( Mobile m )
		{
			m.SendLocalizedMessage( 1073187 ); // The invisibility effect is interrupted.
			RemoveTimer( m );			
		}

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

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

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

			int version = reader.ReadInt();
		}
	}
}
