using System;
using Server.Engines.MLQuests.Gumps;
using Server.Gumps;
using Server.Items;
using Server.Mobiles;
using Server.Network;

namespace Server.Engines.MLQuests.Mobiles
{
  public class SirHelper : Mage
  {
    private static readonly Gump m_Gump = new InfoNPCGump(1078029, 1078028);
    private static readonly TimeSpan m_ShoutDelay = TimeSpan.FromSeconds(20);

    private static readonly TimeSpan
      m_ShoutCooldown = TimeSpan.FromDays(1); // TODO: Verify, could be a lot longer... or until a restart even

    private DateTime m_NextShout;

    [Constructible]
    public SirHelper()
    {
      Title = "the Profession Guide"; // TODO: Don't display in paperdoll

      Hue = 0x83EA;

      Direction = Direction.South;
      Frozen = true;
    }

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

    public override string DefaultName => "Sir Helper";
    public override bool IsActiveVendor => false;

    public override void InitSBInfo()
    {
    }

    public override bool GetGender() => false;

    public override bool CheckMorph() => true;

    public override void InitOutfit()
    {
      HairItemID = 0x203C;
      FacialHairItemID = 0x204D;
      HairHue = FacialHairHue = 0x8A7;

      AddItem(new Sandals());
      AddItem(new Cloak{ ItemID = 0x26AD, Hue = 0x455});
      AddItem(new Robe {ItemID = 0x26AE, Hue = 0x4AB});
      AddItem(new Backpack {Movable = false});
    }

    public override void OnDoubleClick(Mobile from)
    {
      if (from.CanBeginAction(this))
      {
        from.BeginAction(this);
        Timer.DelayCall(m_ShoutCooldown, EndLock, from);
      }

      MLQuestSystem.TurnToFace(this, from);
      from.SendGump(m_Gump);

      // Paperdoll doesn't open
      //base.OnDoubleClick( from );
    }

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

      if (m_NextShout <= DateTime.UtcNow)
      {
        IPooledEnumerable eable = GetClientsInRange(12);
        foreach (NetState state in eable)
        {
          Mobile m = state.Mobile;

          if (m.CanSee(this) && m.InLOS(this) && m.CanBeginAction(this))
            Packets.SendMessageLocalized(state, Serial, Body, MessageType.Regular, 946, 3,
              1078099, Name); // Double Click On Me For Help!
        }

        eable.Free();

        m_NextShout = DateTime.UtcNow + m_ShoutDelay;
      }
    }

    private void EndLock(Mobile m) => m.EndAction(this);

    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();

      Frozen = true;
    }
  }
}