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

namespace Server.Spells.Ninjitsu
{
	public class FocusAttack : NinjaMove
	{
		// TODO: Display property bonus on equipped weapons.

		public FocusAttack()
		{
		}

		public override int BaseMana{ get{ return 20; } }
		public override double RequiredSkill{ get{ return 60.0; } }

		public override TextDefinition AbilityMessage{ get{ return new TextDefinition( 1063095 ); } } // You prepare to focus all of your abilities into your next strike.

		public override bool Validate( Mobile from )
		{
			if ( from.FindItemOnLayer( Layer.TwoHanded ) as BaseShield != null )
			{
				from.SendLocalizedMessage( 1063096 ); // You cannot use this ability while holding a shield.
				return false;
			}

			Item handOne = from.FindItemOnLayer( Layer.OneHanded ) as BaseWeapon;

			if ( handOne != null && !((handOne is BaseRanged) || (handOne is NoAmmoRanged) || (handOne is MagicRanged)) )
				return base.Validate( from );

			Item handTwo = from.FindItemOnLayer( Layer.TwoHanded ) as BaseWeapon;

			if ( handTwo != null && !((handTwo is BaseRanged) || (handTwo is NoAmmoRanged) || (handTwo is MagicRanged)) )
				return base.Validate( from );

			from.SendLocalizedMessage( 1063097 ); // You must be wielding a melee weapon without a shield to use this ability.
			return false;
		}

		public override double GetDamageScalar( Mobile attacker, Mobile defender )
		{
			double ninjitsu = attacker.Skills[SkillName.Ninjitsu].Value;

			return 1.0 + (ninjitsu * ninjitsu) / 43636;
		}

		public override double GetPropertyBonus( Mobile attacker )
		{
			double ninjitsu = attacker.Skills[SkillName.Ninjitsu].Value;

			double bonus = (ninjitsu * ninjitsu) / 43636;

			return 1.0 + (bonus * 3 + 0.01);
		}

		public override bool OnBeforeDamage( Mobile attacker, Mobile defender )
		{
			return Validate( attacker ) && CheckMana( attacker, true );
		}

		public override void OnHit( Mobile attacker, Mobile defender, int damage )
		{
			ClearCurrentMove( attacker );

			attacker.SendLocalizedMessage( 1063098 ); // You focus all of your abilities and strike with deadly force!

			CheckGain( attacker );
		}
	}
}