using System;
using Server.Items;

namespace Server.Mobiles
{
  public class WarriorGuard : BaseGuard
  {
    private Timer m_AttackTimer, m_IdleTimer;

    private Mobile m_Focus;

    public WarriorGuard(Mobile target = null) : base(target)
    {
      InitStats(1000, 1000, 1000);
      Title = "the guard";

      SpeechHue = Utility.RandomDyedHue();

      Hue = Race.Human.RandomSkinHue();

      if (Female = Utility.RandomBool())
      {
        Body = 0x191;
        Name = NameList.RandomName("female");

        switch (Utility.Random(2))
        {
          case 0:
            AddItem(new LeatherSkirt());
            break;
          case 1:
            AddItem(new LeatherShorts());
            break;
        }

        switch (Utility.Random(5))
        {
          case 0:
            AddItem(new FemaleLeatherChest());
            break;
          case 1:
            AddItem(new FemaleStuddedChest());
            break;
          case 2:
            AddItem(new LeatherBustierArms());
            break;
          case 3:
            AddItem(new StuddedBustierArms());
            break;
          case 4:
            AddItem(new FemalePlateChest());
            break;
        }
      }
      else
      {
        Body = 0x190;
        Name = NameList.RandomName("male");

        AddItem(new PlateChest());
        AddItem(new PlateArms());
        AddItem(new PlateLegs());

        switch (Utility.Random(3))
        {
          case 0:
            AddItem(new Doublet(Utility.RandomNondyedHue()));
            break;
          case 1:
            AddItem(new Tunic(Utility.RandomNondyedHue()));
            break;
          case 2:
            AddItem(new BodySash(Utility.RandomNondyedHue()));
            break;
        }
      }

      Utility.AssignRandomHair(this);

      if (Utility.RandomBool())
        Utility.AssignRandomFacialHair(this, HairHue);

      Halberd weapon = new Halberd();

      weapon.Movable = false;
      weapon.Crafter = this;
      weapon.Quality = WeaponQuality.Exceptional;

      AddItem(weapon);

      Container pack = new Backpack();

      pack.Movable = false;

      pack.DropItem(new Gold(10, 25));

      AddItem(pack);

      Skills.Anatomy.Base = 120.0;
      Skills.Tactics.Base = 120.0;
      Skills.Swords.Base = 120.0;
      Skills.MagicResist.Base = 120.0;
      Skills.DetectHidden.Base = 100.0;

      NextCombatTime = Core.TickCount + 500;
      Focus = target;
    }

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

    [CommandProperty(AccessLevel.GameMaster)]
    public override Mobile Focus
    {
      get => m_Focus;
      set
      {
        if (Deleted)
          return;

        Mobile oldFocus = m_Focus;

        if (oldFocus != value)
        {
          m_Focus = value;

          if (value != null)
            AggressiveAction(value);

          Combatant = value;

          if (oldFocus?.Alive == false)
            Say("Thou hast suffered thy punishment, scoundrel.");

          if (value != null)
            Say(500131); // Thou wilt regret thine actions, swine!

          if (m_AttackTimer != null)
          {
            m_AttackTimer.Stop();
            m_AttackTimer = null;
          }

          if (m_IdleTimer != null)
          {
            m_IdleTimer.Stop();
            m_IdleTimer = null;
          }

          if (m_Focus != null)
          {
            m_AttackTimer = new AttackTimer(this);
            m_AttackTimer.Start();
            ((AttackTimer)m_AttackTimer).DoOnTick();
          }
          else
          {
            m_IdleTimer = new IdleTimer(this);
            m_IdleTimer.Start();
          }
        }
        else if (m_Focus == null && m_IdleTimer == null)
        {
          m_IdleTimer = new IdleTimer(this);
          m_IdleTimer.Start();
        }
      }
    }

    public override bool OnBeforeDeath()
    {
      if (m_Focus?.Alive == true)
        new AvengeTimer(m_Focus).Start(); // If a guard dies, three more guards will spawn

      return base.OnBeforeDeath();
    }

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

      writer.Write(0); // version

      writer.Write(m_Focus);
    }

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

      int version = reader.ReadInt();

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

          if (m_Focus != null)
          {
            m_AttackTimer = new AttackTimer(this);
            m_AttackTimer.Start();
          }
          else
          {
            m_IdleTimer = new IdleTimer(this);
            m_IdleTimer.Start();
          }

          break;
        }
      }
    }

    public override void OnAfterDelete()
    {
      if (m_AttackTimer != null)
      {
        m_AttackTimer.Stop();
        m_AttackTimer = null;
      }

      if (m_IdleTimer != null)
      {
        m_IdleTimer.Stop();
        m_IdleTimer = null;
      }

      base.OnAfterDelete();
    }

    private class AvengeTimer : Timer
    {
      private Mobile m_Focus;

      public AvengeTimer(Mobile focus) : base(TimeSpan.FromSeconds(2.5), TimeSpan.FromSeconds(1.0), 3)
      {
        m_Focus = focus;
      }

      protected override void OnTick()
      {
        Spawn(m_Focus, m_Focus, 1, true);
      }
    }

    private class AttackTimer : Timer
    {
      private WarriorGuard m_Owner;

      public AttackTimer(WarriorGuard owner) : base(TimeSpan.FromSeconds(0.25), TimeSpan.FromSeconds(0.1))
      {
        m_Owner = owner;
      }

      public void DoOnTick()
      {
        OnTick();
      }

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

        m_Owner.Criminal = false;
        m_Owner.Kills = 0;
        m_Owner.Stam = m_Owner.StamMax;

        Mobile target = m_Owner.Focus;

        if (target != null && (target.Deleted || !target.Alive || !m_Owner.CanBeHarmful(target)))
        {
          m_Owner.Focus = null;
          Stop();
          return;
        }

        if (m_Owner.Weapon is Fists)
        {
          m_Owner.Kill();
          Stop();
          return;
        }

        if (target != null && m_Owner.Combatant != target)
          m_Owner.Combatant = target;

        if (target == null)
        {
          Stop();
        }
        else
        {
          // <instakill>
          TeleportTo(target);
          target.BoltEffect(0);

          if (target is BaseCreature creature)
            creature.NoKillAwards = true;

          target.Damage(target.HitsMax, m_Owner);
          target.Kill(); // just in case, maybe Damage is overridden on some shard

          if (target.Corpse != null && !target.Player)
            target.Corpse.Delete();

          m_Owner.Focus = null;
          Stop();
        } // </instakill>

        /*else if ( !m_Owner.InRange( target, 20 ) )
        {
          m_Owner.Focus = null;
        }
        else if ( !m_Owner.InRange( target, 10 ) || !m_Owner.InLOS( target ) )
        {
          TeleportTo( target );
        }
        else if ( !m_Owner.InRange( target, 1 ) )
        {
          if ( !m_Owner.Move( m_Owner.GetDirectionTo( target ) | Direction.Running ) )
            TeleportTo( target );
        }
        else if ( !m_Owner.CanSee( target ) )
        {
          if ( !m_Owner.UseSkill( SkillName.DetectHidden ) && Utility.Random( 50 ) == 0 )
            m_Owner.Say( "Reveal!" );
        }*/
      }

      private void TeleportTo(Mobile target)
      {
        Point3D from = m_Owner.Location;
        Point3D to = target.Location;

        m_Owner.Location = to;

        Effects.SendLocationParticles(EffectItem.Create(from, m_Owner.Map, EffectItem.DefaultDuration), 0x3728, 10,
          10, 2023);
        Effects.SendLocationParticles(EffectItem.Create(to, m_Owner.Map, EffectItem.DefaultDuration), 0x3728, 10, 10,
          5023);

        m_Owner.PlaySound(0x1FE);
      }
    }

    private class IdleTimer : Timer
    {
      private WarriorGuard m_Owner;
      private int m_Stage;

      public IdleTimer(WarriorGuard owner) : base(TimeSpan.FromSeconds(2.0), TimeSpan.FromSeconds(2.5))
      {
        m_Owner = owner;
      }

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

        if (m_Stage++ % 4 == 0 || !m_Owner.Move(m_Owner.Direction))
          m_Owner.Direction = (Direction)Utility.Random(8);

        if (m_Stage > 16)
        {
          Effects.SendLocationParticles(
            EffectItem.Create(m_Owner.Location, m_Owner.Map, EffectItem.DefaultDuration), 0x3728, 10, 10, 2023);
          m_Owner.PlaySound(0x1FE);

          m_Owner.Delete();
        }
      }
    }
  }
}