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

namespace Server.Items
{
	public abstract class BaseConfusionBlastPotion : BasePotion
	{
		public abstract int Radius{ get; }

		public override bool RequireFreeHand{ get{ return false; } }

		public BaseConfusionBlastPotion( PotionEffect effect ) : base( 0xF06, effect )
		{
			Hue = 0x48D;
		}

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

		public override void Drink( Mobile from )
		{
			if ( Core.AOS && (from.Paralyzed || from.Frozen || (from.Spell != null && from.Spell.IsCasting)) )
			{
				from.SendLocalizedMessage( 1062725 ); // You can not use that potion while paralyzed.
				return;
			}

			int delay = GetDelay( from );

			if ( delay > 0 )
			{
				from.SendLocalizedMessage( 1072529, String.Format( "{0}\t{1}", delay, delay > 1 ? "seconds." : "second." ) ); // You cannot use that for another ~1_NUM~ ~2_TIMEUNITS~
				return;
			}

			ThrowTarget targ = from.Target as ThrowTarget;

			if ( targ != null && targ.Potion == this )
				return;

			from.RevealingAction();

			if ( !m_Users.Contains( from ) )
				m_Users.Add( from );

			from.Target = new ThrowTarget( this );
		}

		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();
		}

		private List<Mobile> m_Users = new List<Mobile>();

		public void Explode_Callback( object state )
		{
			object[] states = (object[]) state;

			Explode( (Mobile) states[ 0 ], (Point3D) states[ 1 ], (Map) states[ 2 ] );
		}

		public virtual void Explode( Mobile from, Point3D loc, Map map )
		{
			if ( Deleted || map == null )
				return;

			Consume();

			// Check if any other players are using this potion
			for ( int i = 0; i < m_Users.Count; i ++ )
			{
				ThrowTarget targ = m_Users[ i ].Target as ThrowTarget;

				if ( targ != null && targ.Potion == this )
					Target.Cancel( from );
			}

			// Effects
			Effects.PlaySound( loc, map, 0x207 );

			Geometry.Circle2D( loc, map, Radius, new DoEffect_Callback( BlastEffect ), 270, 90 );

			Timer.DelayCall( TimeSpan.FromSeconds( 0.3 ), new TimerStateCallback( CircleEffect2 ), new object[] { loc, map } );

			foreach ( Mobile mobile in map.GetMobilesInRange( loc, Radius ) )
			{
				if ( mobile is BaseCreature )
				{
					BaseCreature mon = (BaseCreature) mobile;

					mon.Pacify( from, DateTime.Now + TimeSpan.FromSeconds( 5.0 ) ); // TODO check
				}
			}
		}

		#region Effects
		public virtual void BlastEffect( Point3D p, Map map )
		{
			if ( map.CanFit( p, 12, true, false ) )
				Effects.SendLocationEffect( p, map, 0x376A, 4, 9 );
		}
		
		public void CircleEffect2( object state )
		{
			object[] states = (object[]) state;
				
			Geometry.Circle2D( (Point3D)states[0], (Map)states[1], Radius, new DoEffect_Callback( BlastEffect ), 90, 270 );
		}
		#endregion

		#region Delay
		private static Hashtable m_Delay = new Hashtable();

		public static void AddDelay( Mobile m )
		{
			Timer timer = m_Delay[ m ] as Timer;

			if ( timer != null )
				timer.Stop();

			m_Delay[ m ] = Timer.DelayCall( TimeSpan.FromSeconds( 60 ), new TimerStateCallback( EndDelay_Callback ), m );	
		}

		public static int GetDelay( Mobile m )
		{
			Timer timer = m_Delay[ m ] as Timer;

			if ( timer != null && timer.Next > DateTime.Now )
				return (int) (timer.Next - DateTime.Now).TotalSeconds;

			return 0;
		}

		private static void EndDelay_Callback( object obj )
		{
			if ( obj is Mobile )
				EndDelay( (Mobile) obj );
		}

		public static void EndDelay( Mobile m )
		{
			Timer timer = m_Delay[ m ] as Timer;

			if ( timer != null )
			{
				timer.Stop();
				m_Delay.Remove( m );
			}
		}
		#endregion		

		private class ThrowTarget : Target
		{
			private BaseConfusionBlastPotion m_Potion;

			public BaseConfusionBlastPotion Potion
			{
				get{ return m_Potion; }
			}

			public ThrowTarget( BaseConfusionBlastPotion potion ) : base( 12, true, TargetFlags.None )
			{
				m_Potion = potion;
			}

			protected override void OnTarget( Mobile from, object targeted )
			{
				if ( m_Potion.Deleted || m_Potion.Map == Map.Internal )
					return;

				IPoint3D p = targeted as IPoint3D;

				if ( p == null || from.Map == null )
					return;

				// Add delay
				BaseConfusionBlastPotion.AddDelay( from );

				SpellHelper.GetSurfaceTop( ref p );

				from.RevealingAction();

				IEntity to;

				if ( p is Mobile )
					to = (Mobile)p;
				else
					to = new Entity( Serial.Zero, new Point3D( p ), from.Map );

				Effects.SendMovingEffect( from, to, 0xF0D, 7, 0, false, false, m_Potion.Hue, 0 );
				Timer.DelayCall( TimeSpan.FromSeconds( 1.0 ), new TimerStateCallback( m_Potion.Explode_Callback ), new object[] { from, new Point3D( p ), from.Map } );
			}
		}
	}
}
