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

namespace Server.Spells.Custom
{
	public class DampenSpiritSpell : ClericSpell
	{
		private static SpellInfo m_Info = new SpellInfo(
				"Dampen Spirit", "Abicio Spiritus",
				SpellCircle.Fourth,
				212,
				9041
			);

		public override int RequiredTithing{ get{ return 15; } }
		public override double RequiredSkill{ get{ return 35.0; } }

		private static Hashtable m_Table = new Hashtable();

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

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

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

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

			if ( t != null )
			{
				t.Stop();
				m_Table.Remove( m );
			} 
		}

		public void Target( Mobile m )
		{
			if ( !Caster.CanSee( m ) )
			{
				Caster.SendLocalizedMessage( 500237 ); // Target can not be seen.
			}
			else if ( CheckHSequence( m ) )
			{
				SpellHelper.Turn( Caster, m );

				Timer t = new InternalTimer( m );

				m_Table[m] = t;

				t.Start();

				m.FixedParticles( 0x374A, 10, 15, 5032, EffectLayer.Head );
				m.PlaySound( 0x1F8 );
				m.SendMessage( "You feel your spirit weakening." );
			}

			FinishSequence();
		}

		private class InternalTimer : Timer
		{
			private Mobile m_Owner;
			private DateTime m_Expire;

			public InternalTimer( Mobile owner ) : base( TimeSpan.Zero, TimeSpan.FromSeconds( 1.5 ) )
			{
				m_Owner = owner;
				m_Expire = DateTime.Now + TimeSpan.FromSeconds( 25.0 );
			}

			protected override void OnTick()
			{
				if ( !m_Owner.CheckAlive() || DateTime.Now >= m_Expire )
				{
					Stop();
					m_Table.Remove( m_Owner );
					m_Owner.SendMessage( "Your spirit begins to recover." );
				}
				else if ( m_Owner.Stam < 3 )
				{
					m_Owner.Stam = 0;
				}
				else
				{
					m_Owner.Stam -= 3;
				}
			}
		}

		private class InternalTarget : Target
		{
			private DampenSpiritSpell m_Owner;

			public InternalTarget( DampenSpiritSpell owner ) : base( 12, false, TargetFlags.Harmful )
			{
				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();
			}
		}
	}
}