using System;
using Server.Collections;

namespace Server.Spells.Eighth
{
    public class EarthquakeSpell : MagerySpell
    {
        private static readonly SpellInfo _info = new(
            "Earthquake",
            "In Vas Por",
            233,
            9012,
            false,
            Reagent.Bloodmoss,
            Reagent.Ginseng,
            Reagent.MandrakeRoot,
            Reagent.SulfurousAsh
        );

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

        public override SpellCircle Circle => SpellCircle.Eighth;

        public override bool DelayedDamage => !Core.AOS;

        public override void OnCast()
        {
            if (SpellHelper.CheckTown(Caster, Caster) && CheckSequence())
            {
                Caster.PlaySound(0x220);

                if (Caster.Map == null)
                {
                    FinishSequence();
                    return;
                }

                using var queue = PooledRefQueue<Mobile>.Create();
                foreach (var m in Caster.GetMobilesInRange(1 + (int)(Caster.Skills.Magery.Value / 15.0)))
                {
                    if (Caster != m && SpellHelper.ValidIndirectTarget(Caster, m) && Caster.CanBeHarmful(m, false) &&
                        (!Core.AOS || Caster.InLOS(m)))
                    {
                        queue.Enqueue(m);
                    }
                }

                while (queue.Count > 0)
                {
                    var m = queue.Dequeue();

                    int damage;

                    if (Core.AOS)
                    {
                        damage = m.Hits / 2;

                        if (!m.Player)
                        {
                            damage = Math.Clamp(damage, 15, 100);
                        }

                        damage += Utility.RandomMinMax(0, 15);
                    }
                    else
                    {
                        damage = m.Hits * 6 / 10;

                        if (!m.Player && damage < 10)
                        {
                            damage = 10;
                        }
                        else if (damage > 75)
                        {
                            damage = 75;
                        }
                    }

                    Caster.DoHarmful(m);
                    SpellHelper.Damage(TimeSpan.Zero, m, Caster, damage, 100, 0, 0, 0, 0);
                }
            }

            FinishSequence();
        }
    }
}