using System;
using Server.Targeting;
using Server.Network;
using Server.Misc;
using Server.Items;
using Server.Spells;

namespace Server.ACC.CSS.Systems.Ancient
{
    public class AncientGlimmerSpell : AncientSpell
    {
        private static SpellInfo m_Info = new SpellInfo(
                                                        "Glimmer", "Bet Lor",
                                                        227,
                                                        9011,
                                                        Reagent.Bloodmoss
                                                       );

        public override SpellCircle Circle
        {
            get { return SpellCircle.Second; }
        }

        public override double CastDelay { get { return 1.5; } }
        public override double RequiredSkill { get { return 0.0; } }
        public override int RequiredMana { get { return 3; } }

        public AncientGlimmerSpell(Mobile caster, Item scroll)
            : base(caster, scroll, m_Info)
        {
        }

        public override void OnCast()
        {
            if (CheckSequence())
                Caster.Target = new InternalTarget(this);
        }

        public void Target(IPoint3D p)
        {
            if (!Caster.CanSee(p))
            {
                Caster.SendLocalizedMessage(500237); // Target can not be seen.
            }
            else
            {
                SpellHelper.Turn(Caster, p);

                int dx = Caster.Location.X - p.X;
                int dy = Caster.Location.Y - p.Y;
                int rx = (dx - dy) * 44;
                int ry = (dx + dy) * 44;

                bool eastToWest;

                if (rx >= 0 && ry >= 0)
                {
                    eastToWest = false;
                }
                else if (rx >= 0)
                {
                    eastToWest = true;
                }
                else if (ry >= 0)
                {
                    eastToWest = true;
                }
                else
                {
                    eastToWest = false;
                }

                Effects.PlaySound(p, Caster.Map, 0x1EE);

                for (int i = -1; i <= 1; ++i)
                {
                    Point3D loc = new Point3D(eastToWest ? p.X + i : p.X, eastToWest ? p.Y : p.Y + i, p.Z);
                    bool canFit = SpellHelper.AdjustField(ref loc, Caster.Map, 22, true);

                    //Effects.SendLocationParticles( EffectItem.Create( loc, Caster.Map, EffectItem.DefaultDuration ), 0x376A, 9, 10, 5025 );

                    if (!canFit)
                        continue;

                    Item item = new InternalItem(loc, Caster.Map, Caster);
                    if (this.Scroll != null)
                        Scroll.Consume();
                    Effects.SendLocationParticles(item, 0x376A, 9, 10, 5025);

                    //new InternalItem( loc, Caster.Map, Caster );
                }
            }

            FinishSequence();
        }

        [DispellableField]
        private class InternalItem : Item
        {
            private Timer m_Timer;
            private DateTime m_End;

            public override bool BlocksFit { get { return true; } }

            public InternalItem(Point3D loc, Map map, Mobile caster)
                : base(0x1647)
            {
                Visible = false;
                Movable = false;

                MoveToWorld(loc, map);

                if (caster.InLOS(this))
                {
                    Visible = true;
                    Light = LightType.Circle150;
                }
                else
                    Delete();

                if (Deleted)
                    return;

                m_Timer = new InternalTimer(this, TimeSpan.FromSeconds(3.0));
                m_Timer.Start();

                m_End = DateTime.Now + TimeSpan.FromSeconds(3.0);
            }

            public InternalItem(Serial serial)
                : base(serial)
            {
            }

            public override void Serialize(GenericWriter writer)
            {
                base.Serialize(writer);

                writer.Write((int)1); // version

                writer.WriteDeltaTime(m_End);
            }

            public override void Deserialize(GenericReader reader)
            {
                base.Deserialize(reader);

                int version = reader.ReadInt();

                switch (version)
                {
                    case 1:
                        {
                            m_End = reader.ReadDeltaTime();

                            m_Timer = new InternalTimer(this, m_End - DateTime.Now);
                            m_Timer.Start();

                            break;
                        }
                    case 0:
                        {
                            TimeSpan duration = TimeSpan.FromSeconds(3.0);

                            m_Timer = new InternalTimer(this, duration);
                            m_Timer.Start();

                            m_End = DateTime.Now + duration;

                            break;
                        }
                }
            }

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

                if (m_Timer != null)
                    m_Timer.Stop();
            }

            private class InternalTimer : Timer
            {
                private InternalItem m_Item;

                public InternalTimer(InternalItem item, TimeSpan duration)
                    : base(duration)
                {
                    m_Item = item;
                }

                protected override void OnTick()
                {
                    m_Item.Delete();
                }
            }
        }

        private class InternalTarget : Target
        {
            private AncientGlimmerSpell m_Owner;

            public InternalTarget(AncientGlimmerSpell owner)
                : base(12, true, TargetFlags.None)
            {
                m_Owner = owner;
            }

            protected override void OnTarget(Mobile from, object o)
            {
                if (o is IPoint3D)
                    m_Owner.Target((IPoint3D)o);
            }

            protected override void OnTargetFinish(Mobile from)
            {
                m_Owner.FinishSequence();
            }
        }
    }
}