using Server.Mobiles;
using Server.Targeting;

namespace Server.Spells.Third
{
    public class PoisonSpell : MagerySpell, ISpellTargetingMobile
    {
        private static readonly SpellInfo m_Info = new(
            "Poison",
            "In Nox",
            203,
            9051,
            Reagent.Nightshade
        );

        public PoisonSpell(Mobile caster, Item scroll = null) : base(caster, scroll, m_Info)
        {
        }

        public override SpellCircle Circle => SpellCircle.Third;

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

            if (!Caster.CanSee(m))
            {
                Caster.SendLocalizedMessage(500237); // Target can not be seen.
            }
            else if (CheckHSequence(m))
            {
                SpellHelper.Turn(Caster, m);

                SpellHelper.CheckReflect((int)Circle, Caster, ref m);

                m.Spell?.OnCasterHurt();

                m.Paralyzed = false;

                if (CheckResisted(m))
                {
                    m.SendLocalizedMessage(501783); // You feel yourself resisting magical energy.
                }
                else
                {
                    int level;

                    if (Core.AOS)
                    {
                        if (Caster.InRange(m, 2))
                        {
                            var total = (Caster.Skills.Magery.Fixed + Caster.Skills.Poisoning.Fixed) / 2;

                            if (total >= 1000)
                            {
                                level = 3;
                            }
                            else if (total > 850)
                            {
                                level = 2;
                            }
                            else if (total > 650)
                            {
                                level = 1;
                            }
                            else
                            {
                                level = 0;
                            }
                        }
                        else
                        {
                            level = 0;
                        }
                    }
                    else
                    {
                        // double total = Caster.Skills.Magery.Value + Caster.Skills.Poisoning.Value;

                        var total = Caster.Skills.Magery.Value;

                        if (Caster is PlayerMobile pm)
                        {
                            if (pm.DuelContext?.Started != true || pm.DuelContext.Finished ||
                                pm.DuelContext.Ruleset.GetOption("Skills", "Poisoning"))
                            {
                                total += pm.Skills.Poisoning.Value;
                            }
                        }
                        else
                        {
                            total += Caster.Skills.Poisoning.Value;
                        }

                        var dist = Caster.GetDistanceToSqrt(m);

                        if (dist >= 3.0)
                        {
                            total -= (dist - 3.0) * 10.0;
                        }

                        if (total >= 200.0 && Utility.Random(10) < 1)
                        {
                            level = 3;
                        }
                        else if (total > (Core.AOS ? 170.1 : 170.0))
                        {
                            level = 2;
                        }
                        else if (total > (Core.AOS ? 130.1 : 130.0))
                        {
                            level = 1;
                        }
                        else
                        {
                            level = 0;
                        }
                    }

                    m.ApplyPoison(Caster, Poison.GetPoison(level));
                }

                m.FixedParticles(0x374A, 10, 15, 5021, EffectLayer.Waist);
                m.PlaySound(0x205);

                HarmfulSpell(m);
            }

            FinishSequence();
        }

        public override void OnCast()
        {
            Caster.Target = new SpellTargetMobile(this, TargetFlags.Harmful, Core.ML ? 10 : 12);
        }
    }
}