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

namespace Server.Spells.Third
{
	public class UnlockSpell : Spell
	{
		private static SpellInfo m_Info = new SpellInfo(
				"Unlock Spell", "Ex Por",
				SpellCircle.Third,
				215,
				9001,
				Reagent.Bloodmoss,
				Reagent.SulfurousAsh
			);

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

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

		private class InternalTarget : Target
		{
			private UnlockSpell m_Owner;

			public InternalTarget( UnlockSpell owner ) : base( 12, false, TargetFlags.None )
			{
				m_Owner = owner;
			}

			protected override void OnTarget( Mobile from, object o )
			{
				IPoint3D loc = o as IPoint3D;

				if ( loc == null )
					return;

				if ( m_Owner.CheckSequence() ) {
					SpellHelper.Turn( from, o );

					Effects.SendLocationParticles( EffectItem.Create( new Point3D( loc ), from.Map, EffectItem.DefaultDuration ), 0x376A, 9, 32, 5024 );

					Effects.PlaySound( loc, from.Map, 0x1FF );

					if ( o is Mobile )
						from.LocalOverheadMessage( MessageType.Regular, 0x3B2, 503101 ); // That did not need to be unlocked.
					else if ( !( o is LockableContainer ) )
						from.SendLocalizedMessage( 501666 ); // You can't unlock that!
					else {
						LockableContainer cont = (LockableContainer)o;

						if ( Multis.BaseHouse.CheckSecured( cont ) ) 
							from.SendLocalizedMessage( 503098 ); // You cannot cast this on a secure item.
						else if ( !cont.Locked )
							from.LocalOverheadMessage( MessageType.Regular, 0x3B2, 503101 ); // That did not need to be unlocked.
						else if ( cont.LockLevel == 0 )
							from.SendLocalizedMessage( 501666 ); // You can't unlock that!
						else {
							int level = (int)(from.Skills[SkillName.Magery].Value * 0.8) - 4;

							if ( level >= cont.RequiredSkill && !(cont is TreasureMapChest && ((TreasureMapChest)cont).Level > 2) ) {
								cont.Locked = false;

								if ( cont.LockLevel == -255 )
									cont.LockLevel = cont.RequiredSkill - 10;
							}
							else
								from.LocalOverheadMessage( MessageType.Regular, 0x3B2, 503099 ); // My spell does not seem to have an effect on that lock.
						}		
					}
				}

				m_Owner.FinishSequence();
			}

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