#region References
using Server.Items;
using Server.Spells;
using Server.Spells.Spellweaving;
#endregion

namespace Server.Mobiles
{
	public class SpellweavingAI : MageAI
	{
		public override SkillName CastSkill { get { return SkillName.Spellweaving; } }

		public override bool UsesMagery
		{
			get { return m_Mobile.Skills[SkillName.Magery].Base >= 20.0 && !m_Mobile.Controlled; }
		}

		public SpellweavingAI(BaseCreature m)
			: base(m)
		{ }

		public override Spell GetRandomBuffSpell()
		{
			if (UsesMagery && 0.5 > Utility.RandomDouble())
			{
				return base.GetRandomBuffSpell();
			}

			var mana = m_Mobile.Mana;
			var wep = m_Mobile.Weapon as BaseWeapon;

			if (mana >= 50 && !ArcaneEmpowermentSpell.IsUnderEffects(m_Mobile) && 0.5 >= Utility.RandomDouble())
				return new ArcaneEmpowermentSpell(m_Mobile, null);
			if (mana >= 32 && wep != null && !ImmolatingWeaponSpell.IsImmolating(m_Mobile, wep))
				return new ImmolatingWeaponSpell(m_Mobile, null);

			return null;
		}

		public override Spell GetRandomCurseSpell()
		{
			if (UsesMagery)
			{
				return base.GetRandomCurseSpell();
			}

			return null;
		}

		public override Spell GetRandomDamageSpell()
		{
			if (UsesMagery && 0.5 > Utility.RandomDouble())
			{
				return base.GetRandomDamageSpell();
			}

			var mana = m_Mobile.Mana;
			var select = 1;

			if (mana >= 50)
				select = 4;
			else if (mana >= 40)
				select = 3;
			else if (mana >= 30)
				select = 2;

			switch (Utility.Random(select))
			{
				case 0:
					return new ThunderstormSpell(m_Mobile, null);
				case 1:
					return new EssenceOfWindSpell(m_Mobile, null);
				case 2:
					return new WildfireSpell(m_Mobile, null);
				case 3:
					return new WordOfDeathSpell(m_Mobile, null);
			}

			return null;
		}

		public override Spell GetHealSpell()
		{
			if (UsesMagery && 0.5 > Utility.RandomDouble())
			{
				return base.GetHealSpell();
			}

			if (m_Mobile.Mana >= 24)
			{
				return new GiftOfRenewalSpell(m_Mobile, null);
			}

			return null;
		}

		public override Spell GetCureSpell()
		{
			if (UsesMagery)
			{
				return base.GetCureSpell();
			}

			return null;
		}

		protected override bool ProcessTarget()
		{
			var t = m_Mobile.Target;

			if (t is WildfireSpell.InternalTarget)
			{
				if (m_Mobile.Combatant != null && m_Mobile.InRange(m_Mobile.Combatant.Location, 8))
				{
					t.Invoke(m_Mobile, m_Mobile.Combatant);
				}
				else
					t.Invoke(m_Mobile, m_Mobile);

				return true;
			}

			return base.ProcessTarget();
		}
	}
}