using System;

namespace Server.Spells.Mysticism
{
	public abstract class MysticSpell : Spell
	{
		public abstract double RequiredSkill { get; }
		public abstract int RequiredMana { get; }

		public override SkillName CastSkill => SkillName.Mysticism;

		/*
		 * As per OSI Publish 64:
		 * Imbuing is not the only skill associated with Mysticism now.
		 * Players can use EITHER their Focus skill or Imbuing skill.
		 * Evaluate Intelligence no longer has any effect on a Mystic’s spell power.
		 */
		public override double GetDamageSkill( Mobile m )
		{
			return Math.Max( m.Skills[SkillName.Imbuing].Value, m.Skills[SkillName.Focus].Value );
		}

		public override int GetDamageFixed( Mobile m )
		{
			return Math.Max( m.Skills[SkillName.Imbuing].Fixed, m.Skills[SkillName.Focus].Fixed );
		}

		public MysticSpell( Mobile caster, Item scroll, SpellInfo info )
			: base( caster, scroll, info )
		{
		}

		public override void GetCastSkills( out double min, out double max )
		{
			// As per Mysticism page at the UO Herald Playguide
			// This means that we have 25% success chance at min Required Skill

			min = RequiredSkill - 12.5;
			max = RequiredSkill + 37.5;
		}

		public override int GetMana()
		{
			return RequiredMana;
		}

		public override bool CheckCast()
		{
			if ( !base.CheckCast() )
				return false;

			int mana = ScaleMana( RequiredMana );

			if ( Caster.Mana < mana )
			{
				Caster.SendLocalizedMessage( 1060174, mana.ToString() ); // You must have at least ~1_MANA_REQUIREMENT~ Mana to use this ability.
				return false;
			}

			if ( Caster.Skills[CastSkill].Value < RequiredSkill )
			{
				Caster.SendLocalizedMessage( 1063013, $"{RequiredSkill.ToString("F1")}\t{CastSkill.ToString()}\t "); // You need at least ~1_SKILL_REQUIREMENT~ ~2_SKILL_NAME~ skill to use that ability.
				return false;
			}

			return true;
		}

		public override void OnBeginCast()
		{
			base.OnBeginCast();

			SendCastEffect();
		}

		public virtual void SendCastEffect()
		{
			Caster.FixedEffect( 0x37C4, 10, (int) ( GetCastDelay().TotalSeconds * 28 ), 0x66C, 3 );
		}

		public static double GetBaseSkill( Mobile m )
		{
			return m.Skills[SkillName.Mysticism].Value;
		}

		public static double GetBoostSkill( Mobile m )
		{
			return Math.Max( m.Skills[SkillName.Imbuing].Value, m.Skills[SkillName.Focus].Value );
		}
	}
}