using System;
using System.Collections;
using Server.Network;
using Server.Items;
using Server.Targeting;
using Server.Spells.Necromancy;
using Server.Spells.Fourth;

namespace Server.Spells.Chivalry
{
public class RemoveCurseSpell : PaladinSpell
{
private static SpellInfo m_Info = new SpellInfo(
"Remove Curse", "Extermo Vomica",
-1,
9002
);

public override TimeSpan CastDelayBase { get { return TimeSpan.FromSeconds( 1.5 ); } }

public override double RequiredSkill{ get{ return 5.0; } }
public override int RequiredMana{ get{ return 20; } }
public override int RequiredTithing{ get{ return 10; } }
public override int MantraNumber{ get{ return 1060726; } } // Extermo Vomica

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

public override void OnCast()
{
Caster.Target = new InternalTarget( this );
}

public void Target( Mobile m )
{
if ( CheckBSequence( m ) )
{
SpellHelper.Turn( Caster, m );

/* Attempts to remove all Curse effects from Target.
* Curses include Mage spells such as Clumsy, Weaken, Feeblemind and Paralyze
* as well as all Necromancer curses.
* Chance of removing curse is affected by Caster's Karma.
*/

int chance = 0;

if ( Caster.Karma < -5000 )
chance = 0;
else if ( Caster.Karma < 0 )
chance = (int) Math.Sqrt( 20000 + Caster.Karma ) - 122;
else if ( Caster.Karma < 5625 )
chance = (int) Math.Sqrt( Caster.Karma ) + 25;
else
chance = 100;

if ( chance > Utility.Random( 100 ) )
{
m.PlaySound( 0xF6 );
m.PlaySound( 0x1F7 );
m.FixedParticles( 0x3709, 1, 30, 9963, 13, 3, EffectLayer.Head );

IEntity from = new Entity( Serial.Zero, new Point3D( m.X, m.Y, m.Z - 10 ), Caster.Map );
IEntity to = new Entity( Serial.Zero, new Point3D( m.X, m.Y, m.Z + 50 ), Caster.Map );
Effects.SendMovingParticles( from, to, 0x2255, 1, 0, false, false, 13, 3, 9501, 1, 0, EffectLayer.Head, 0x100 );

StatMod mod;

mod = m.GetStatMod( "[Magic] Str Offset" );
if ( mod != null && mod.Offset < 0 )
m.RemoveStatMod( "[Magic] Str Offset" );

mod = m.GetStatMod( "[Magic] Dex Offset" );
if ( mod != null && mod.Offset < 0 )
m.RemoveStatMod( "[Magic] Dex Offset" );

mod = m.GetStatMod( "[Magic] Int Offset" );
if ( mod != null && mod.Offset < 0 )
m.RemoveStatMod( "[Magic] Int Offset" );

m.Paralyzed = false;

EvilOmenSpell.CheckEffect( m );
StrangleSpell.RemoveCurse( m );
CorpseSkinSpell.RemoveCurse( m );
CurseSpell.RemoveEffect( m );
MortalStrike.EndWound( m );
if (Core.ML) { BloodOathSpell.RemoveCurse ( m ); }
MindRotSpell.ClearMindRotScalar ( m );

BuffInfo.RemoveBuff( m, BuffIcon.Clumsy );
BuffInfo.RemoveBuff( m, BuffIcon.FeebleMind );
BuffInfo.RemoveBuff( m, BuffIcon.Weaken );
BuffInfo.RemoveBuff ( m, BuffIcon.Curse );
BuffInfo.RemoveBuff( m, BuffIcon.MassCurse );
BuffInfo.RemoveBuff( m, BuffIcon.MortalStrike );
BuffInfo.RemoveBuff ( m, BuffIcon.Mindrot );

// TODO: Should this remove blood oath? Pain spike?
}
else
{
m.PlaySound( 0x1DF );
}
}

FinishSequence();
}

private class InternalTarget : Target
{
private RemoveCurseSpell m_Owner;

public InternalTarget( RemoveCurseSpell owner ) : base( Core.ML ? 10 : 12, false, TargetFlags.Beneficial )
{
m_Owner = owner;
}

protected override void OnTarget( Mobile from, object o )
{
if ( o is Mobile )
m_Owner.Target( (Mobile) o );
}

protected override void OnTargetFinish( Mobile from )
{
m_Owner.FinishSequence();
}
}
}
}