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

namespace Server.Engines.MLQuests.Mobiles;

[SerializationGenerator(0)]
public partial 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 override string DefaultName => "Sir Helper";
    public override bool IsActiveVendor => false;

    public override void InitSBInfo()
    {
    }

    public override bool GetGender() => false;

    public override void CheckMorph()
    {
    }

    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.BeginAction(this))
        {
            Timer.StartTimer(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 > Core.Now)
        {
            return;
        }

        var buffer = stackalloc byte[OutgoingMessagePackets.GetMaxMessageLocalizedLength("")].InitializePacket();

        foreach (var state in GetClientsInRange(12))
        {
            var m = state.Mobile;

            if (m.CanSee(this) && m.InLOS(this) && m.CanBeginAction(this))
            {
                // Double Click On Me For Help!
                var length = OutgoingMessagePackets.CreateMessageLocalized(
                    buffer, Serial, Body, MessageType.Regular, 946, 3, 1078099, Name
                );

                if (length != buffer.Length)
                {
                    buffer = buffer[..length];
                }

                state.Send(buffer);
            }
        }

        m_NextShout = Core.Now + m_ShoutDelay;
    }

    private void EndLock(Mobile m)
    {
        m.EndAction(this);
    }

    [AfterDeserialization]
    private void AfterDeserialization()
    {
        Frozen = true;
    }
}