using System;
using Server.Items;

namespace Server.Mobiles
{
  public class SandVortex : BaseCreature
  {
    private DateTime m_NextAttack;

    [Constructible]
    public SandVortex() : base(AIType.AI_Melee, FightMode.Closest, 10, 1, 0.2, 0.4)
    {
      Body = 790;
      BaseSoundID = 263;

      SetStr(96, 120);
      SetDex(171, 195);
      SetInt(76, 100);

      SetHits(51, 62);

      SetDamage(3, 16);

      SetDamageType(ResistanceType.Physical, 90);
      SetDamageType(ResistanceType.Fire, 10);

      SetResistance(ResistanceType.Physical, 80, 90);
      SetResistance(ResistanceType.Fire, 60, 70);
      SetResistance(ResistanceType.Cold, 60, 70);
      SetResistance(ResistanceType.Poison, 60, 70);
      SetResistance(ResistanceType.Energy, 60, 70);

      SetSkill(SkillName.MagicResist, 150.0);
      SetSkill(SkillName.Tactics, 70.0);
      SetSkill(SkillName.Wrestling, 80.0);

      Fame = 4500;
      Karma = -4500;

      VirtualArmor = 28;
      PackItem(new Bone());
    }

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

    public override string CorpseName => "a sand vortex corpse";
    public override string DefaultName => "a sand vortex";

    public override void GenerateLoot()
    {
      AddLoot(LootPack.Meager, 2);
    }

    public override void OnActionCombat()
    {
      Mobile combatant = Combatant;

      if (combatant?.Deleted != false || combatant.Map != Map || !InRange(combatant, 12) ||
          !CanBeHarmful(combatant) || !InLOS(combatant))
        return;

      if (DateTime.UtcNow >= m_NextAttack)
      {
        SandAttack(combatant);
        m_NextAttack = DateTime.UtcNow + TimeSpan.FromSeconds(10.0 + 10.0 * Utility.RandomDouble());
      }
    }

    public void SandAttack(Mobile m)
    {
      DoHarmful(m);

      m.FixedParticles(0x36B0, 10, 25, 9540, 2413, 0, EffectLayer.Waist);

      new InternalTimer(m, this).Start();
    }

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

      writer.Write(0); // version
    }

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

      int version = reader.ReadInt();
    }

    private class InternalTimer : Timer
    {
      private Mobile m_Mobile, m_From;

      public InternalTimer(Mobile m, Mobile from) : base(TimeSpan.FromSeconds(1.0))
      {
        m_Mobile = m;
        m_From = from;
        Priority = TimerPriority.TwoFiftyMS;
      }

      protected override void OnTick()
      {
        m_Mobile.PlaySound(0x4CF);
        AOS.Damage(m_Mobile, m_From, Utility.RandomMinMax(1, 40), 90, 10, 0, 0, 0);
      }
    }
  }
}