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

namespace Server.Spells.Bushido
{
public class CounterAttack : SamuraiSpell
{
private static SpellInfo m_Info = new SpellInfo(
"CounterAttack", null,
-1,
9002
);

public override TimeSpan CastDelayBase { get { return TimeSpan.FromSeconds( 0.25 ); } }

public override double RequiredSkill{ get{ return 40.0; } }
public override int RequiredMana{ get{ return 5; } }

public override bool CheckCast()
{
if ( !base.CheckCast() )
return false;

if ( Caster.FindItemOnLayer( Layer.TwoHanded ) as BaseShield != null )
return true;

if ( Caster.FindItemOnLayer( Layer.OneHanded ) as BaseWeapon != null )
return true;

if ( Caster.FindItemOnLayer( Layer.TwoHanded ) as BaseWeapon != null )
return true;

Caster.SendLocalizedMessage( 1062944 ); // You must have a weapon or a shield equipped to use this ability!
return false;
}

public CounterAttack( Mobile caster, Item scroll ) : base( caster, scroll, m_Info )
{
}

public override void OnBeginCast()
{
base.OnBeginCast();

Caster.FixedEffect( 0x37C4, 10, 7, 4, 3 );
}

public override void OnCast()
{
if ( CheckSequence() )
{
Caster.SendLocalizedMessage( 1063118 ); // You prepare to respond immediately to the next blocked blow.

OnCastSuccessful( Caster );

StartCountering( Caster );
}

FinishSequence();
}

private static Hashtable m_Table = new Hashtable();

public static bool IsCountering( Mobile m )
{
return m_Table.Contains( m );
}

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

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

t = new InternalTimer( m );

m_Table[m] = t;

t.Start();
}

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

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

m_Table.Remove( m );

OnEffectEnd( m, typeof( CounterAttack ) );
}

private class InternalTimer : Timer
{
private Mobile m_Mobile;

public InternalTimer( Mobile m ) : base( TimeSpan.FromSeconds( 30.0 ) )
{
m_Mobile = m;
Priority = TimerPriority.TwoFiftyMS;
}

protected override void OnTick()
{
StopCountering( m_Mobile );
m_Mobile.SendLocalizedMessage( 1063119 ); // You return to your normal stance.
}
}
}
}