using System;

namespace Server.Mobiles
{
  public class HarrowerTentacles : BaseCreature
  {
    private DrainTimer m_Timer;

    public HarrowerTentacles(Mobile harrower = null) :
      base(AIType.AI_Melee, FightMode.Closest, 10, 1, 0.2, 0.4)
    {
      Harrower = harrower;
      Body = 129;

      SetStr(901, 1000);
      SetDex(126, 140);
      SetInt(1001, 1200);

      SetHits(541, 600);

      SetDamage(13, 20);

      SetDamageType(ResistanceType.Physical, 20);
      SetDamageType(ResistanceType.Fire, 20);
      SetDamageType(ResistanceType.Cold, 20);
      SetDamageType(ResistanceType.Poison, 20);
      SetDamageType(ResistanceType.Energy, 20);

      SetResistance(ResistanceType.Physical, 55, 65);
      SetResistance(ResistanceType.Fire, 35, 45);
      SetResistance(ResistanceType.Cold, 35, 45);
      SetResistance(ResistanceType.Poison, 35, 45);
      SetResistance(ResistanceType.Energy, 35, 45);

      SetSkill(SkillName.Meditation, 100.0);
      SetSkill(SkillName.MagicResist, 120.1, 140.0);
      SetSkill(SkillName.Swords, 90.1, 100.0);
      SetSkill(SkillName.Tactics, 90.1, 100.0);
      SetSkill(SkillName.Wrestling, 90.1, 100.0);

      Fame = 15000;
      Karma = -15000;

      VirtualArmor = 60;

      m_Timer = new DrainTimer(this);
      m_Timer.Start();

      PackReg(50);
      PackNecroReg(15, 75);
    }

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

    public override string CorpseName => "a tentacles corpse";

    [CommandProperty(AccessLevel.GameMaster)]
    public Mobile Harrower{ get; set; }

    public override string DefaultName => "tentacles of the harrower";

    public override bool AutoDispel => true;
    public override bool Unprovokable => true;
    public override Poison PoisonImmune => Poison.Lethal;
    public override bool DisallowAllMoves => true;

    public override void CheckReflect(Mobile caster, ref bool reflect)
    {
      reflect = true;
    }

    public override int GetIdleSound()
    {
      return 0x101;
    }

    public override int GetAngerSound()
    {
      return 0x5E;
    }

    public override int GetDeathSound()
    {
      return 0x1C2;
    }

    public override int GetAttackSound()
    {
      return -1; // unknown
    }

    public override int GetHurtSound()
    {
      return 0x289;
    }

    public override void GenerateLoot()
    {
      AddLoot(LootPack.FilthyRich, 2);
      AddLoot(LootPack.MedScrolls, 3);
      AddLoot(LootPack.HighScrolls, 2);
    }

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

      writer.Write(0); // version

      writer.Write(Harrower);
    }

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

      int version = reader.ReadInt();

      switch (version)
      {
        case 0:
        {
          Harrower = reader.ReadMobile();

          m_Timer = new DrainTimer(this);
          m_Timer.Start();

          break;
        }
      }
    }

    public override void OnAfterDelete()
    {
      m_Timer?.Stop();
      m_Timer = null;

      base.OnAfterDelete();
    }

    private class DrainTimer : Timer
    {
      private HarrowerTentacles m_Owner;

      public DrainTimer(HarrowerTentacles owner) : base(TimeSpan.FromSeconds(5.0), TimeSpan.FromSeconds(5.0))
      {
        m_Owner = owner;
        Priority = TimerPriority.TwoFiftyMS;
      }

      protected override void OnTick()
      {
        if (m_Owner.Deleted)
        {
          Stop();
          return;
        }

        IPooledEnumerable<Mobile> eable = m_Owner.GetMobilesInRange<Mobile>(9);

        foreach (Mobile m in eable)
        {
          if (m == m_Owner || !(m_Owner.CanBeHarmful(m) || m.Player && m.Alive))
            continue;

          if (!(m is BaseCreature bc) || !(bc.Controlled || bc.Summoned || bc.Team != m_Owner.Team))
            continue;

          m_Owner.DoHarmful(m);

          m.FixedParticles(0x374A, 10, 15, 5013, 0x455, 0, EffectLayer.Waist);
          m.PlaySound(0x1F1);

          int drain = Utility.RandomMinMax(14, 30);

          m_Owner.Hits += drain;

          if (m_Owner.Harrower != null)
            m_Owner.Harrower.Hits += drain;

          m.Damage(drain, m_Owner);
        }

        eable.Free();
      }
    }
  }
}