using System;
using Server.Engines.ConPVP;
using Server.Targeting;

namespace Server.Spells.Chivalry
{
    public class CleanseByFireSpell : PaladinSpell, ITargetingSpell<Mobile>
    {
        private static readonly SpellInfo _info = new(
            "Cleanse By Fire",
            "Expor Flamus",
            -1,
            9002
        );

        public CleanseByFireSpell(Mobile caster, Item scroll = null) : base(caster, scroll, _info)
        {
        }

        public override TimeSpan CastDelayBase => TimeSpan.FromSeconds(1.0);

        public override double RequiredSkill => 5.0;
        public override int RequiredMana => 10;
        public override int RequiredTithing => 10;
        public override int MantraNumber => 1060718; // Expor Flamus

        public void Target(Mobile m)
        {
            if (m == null)
            {
                return;
            }

            if (!m.Poisoned)
            {
                Caster.SendLocalizedMessage(1060176); // That creature is not poisoned!
            }
            else if (CheckBSequence(m))
            {
                SpellHelper.Turn(Caster, m);

                /* Cures the target of poisons, but causes the caster to be burned by fire damage for 13-55 hit points.
                 * The amount of fire damage is lessened if the caster has high Karma.
                 */

                var p = m.Poison;

                if (p != null)
                {
                    // Cleanse by fire is now difficulty based
                    var chanceToCure = 10000 + (int)(Caster.Skills.Chivalry.Value * 75) - (p.Level + 1) * 2000;
                    chanceToCure /= 100;

                    if (chanceToCure > Utility.Random(100))
                    {
                        if (m.CurePoison(Caster))
                        {
                            if (Caster != m)
                            {
                                Caster.SendLocalizedMessage(1010058); // You have cured the target of all poisons!
                            }

                            m.SendLocalizedMessage(1010059); // You have been cured of all poisons.
                        }
                    }
                    else
                    {
                        Caster.SendLocalizedMessage(1010060); // You have failed to cure your target!
                    }
                }

                m.PlaySound(0x1E0);
                m.FixedParticles(0x373A, 1, 15, 5012, 3, 2, EffectLayer.Waist);

                IEntity from = new Entity(Serial.Zero, new Point3D(m.X, m.Y, m.Z - 5), m.Map);
                IEntity to = new Entity(Serial.Zero, new Point3D(m.X, m.Y, m.Z + 45), m.Map);
                Effects.SendMovingParticles(
                    from,
                    to,
                    0x374B,
                    1,
                    0,
                    false,
                    false,
                    63,
                    2,
                    9501,
                    1,
                    0,
                    EffectLayer.Head,
                    0x100
                );

                Caster.PlaySound(0x208);
                Caster.FixedParticles(0x3709, 1, 30, 9934, 0, 7, EffectLayer.Waist);

                var damage = Math.Clamp(50 - ComputePowerValue(4), 13, 55);

                AOS.Damage(Caster, Caster, damage, 0, 100, 0, 0, 0, true);
            }
        }

        public override bool CheckCast()
        {
            if (DuelContext.CheckSuddenDeath(Caster))
            {
                Caster.SendMessage(0x22, "You cannot cast this spell when in sudden death.");
                return false;
            }

            return base.CheckCast();
        }

        public override void OnCast()
        {
            Caster.Target = new SpellTarget<Mobile>(this, TargetFlags.Beneficial);
        }
    }
}