using System;
using Server.Targeting;

namespace Server.Items
{
  public class CupidsArrow : Item
  {
    // TODO: Check messages

    public override int LabelNumber => 1152270; // Cupid's Arrow 2012

    private string m_From;
    private string m_To;

    [CommandProperty(AccessLevel.GameMaster)]
    public string From
    {
      get => m_From;
      set { m_From = value; InvalidateProperties(); }
    }

    [CommandProperty(AccessLevel.GameMaster)]
    public string To
    {
      get => m_To;
      set { m_To = value; InvalidateProperties(); }
    }

    public bool IsSigned => m_From != null && m_To != null;

    [Constructible]
    public CupidsArrow()
      : base(0x4F7F) =>
      LootType = LootType.Blessed;

    public override void AddNameProperty(ObjectPropertyList list)
    {
      base.AddNameProperty(list);

      if (IsSigned)
        list.Add(1152273, $"{m_From}\t{m_To}"); // ~1_val~ is madly in love with ~2_val~
    }

    public static bool CheckSeason(Mobile from)
    {
      if (DateTime.UtcNow.Month == 2)
        return true;

      from.SendLocalizedMessage(1152318); // You may not use this item out of season.
      return false;
    }

    public override void OnSingleClick(Mobile from)
    {
      base.OnSingleClick(from);

      if (IsSigned)
        LabelTo(from, 1152273, $"{m_From}\t{m_To}"); // ~1_val~ is madly in love with ~2_val~
    }

    public override void OnDoubleClick(Mobile from)
    {
      if (IsSigned || !CheckSeason(from))
        return;

      if (!IsChildOf(from.Backpack))
      {
        from.SendLocalizedMessage(1080063); // This must be in your backpack to use it.
        return;
      }

      from.BeginTarget(10, false, TargetFlags.None, OnTarget);
      from.SendMessage("Who do you wish to use this on?");
    }

    private void OnTarget(Mobile from, object targeted)
    {
      if (IsSigned || !IsChildOf(from.Backpack))
        return;

      if (targeted is Mobile m)
      {
        if (!m.Alive)
        {
          from.SendLocalizedMessage(1152269); // That target is dead and even Cupid's arrow won't make them love you.
          return;
        }

        m_From = from.Name;
        m_To = m.Name;

        InvalidateProperties();

        from.SendMessage("You inscribe the arrow.");
      }
      else
      {
        from.SendMessage("That is not a person.");
      }
    }

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

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

      writer.Write(0);

      writer.Write(m_From);
      writer.Write(m_To);
    }

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

      int version = reader.ReadInt();

      m_From = Utility.Intern(reader.ReadString());
      m_To = Utility.Intern(reader.ReadString());
    }
  }
}