using System;

namespace Server.Items
{
    /// <summary>
    /// This devastating strike is most effective against those who are in good health and whose reserves of mana are low, or vice versa.
    /// </summary>
    public class ConcussionBlow : WeaponAbility
    {
        public override int BaseMana => 20;

        public override bool OnBeforeDamage(Mobile attacker, Mobile defender)
        {
            if (!Validate(attacker) || !CheckMana(attacker, true))
                return false;

            ClearCurrentAbility(attacker);

            attacker.SendLocalizedMessage(1060165); // You have delivered a concussion!
            defender.SendLocalizedMessage(1060166); // You feel disoriented!

            defender.PlaySound(0x213);
            defender.FixedParticles(0x377A, 1, 32, 9949, 1153, 0, EffectLayer.Head);

            Effects.SendMovingParticles(new Entity(Serial.Zero, new Point3D(defender.X, defender.Y, defender.Z + 10), defender.Map), new Entity(Serial.Zero, new Point3D(defender.X, defender.Y, defender.Z + 20), defender.Map), 0x36FE, 1, 0, false, false, 1133, 3, 9501, 1, 0, EffectLayer.Waist, 0x100);

            int damage = 10; // Base damage is 10.

            if (defender.HitsMax > 0)
            {
                double hitsPercent = (defender.Hits / (double)defender.HitsMax) * 100.0;

                double manaPercent = 0;

                if (defender.ManaMax > 0)
                    manaPercent = (defender.Mana / (double)defender.ManaMax) * 100.0;

                damage += Math.Min((int)(Math.Abs(hitsPercent - manaPercent) / 4), 20);
            }

            // Total damage is 10 + (0~20) = 10~30, physical, non-resistable.

            defender.Damage(damage, attacker);

            return true;
        }
    }
}