using Server.Targeting;

namespace Server.Items
{
  public interface ICommodity /* added IsDeedable prop so expansion-based deedables can determine true/false */
  {
    int DescriptionNumber{ get; }
    bool IsDeedable{ get; }
  }

  public class CommodityDeed : Item
  {
    public CommodityDeed(Item commodity) : base(0x14F0)
    {
      Weight = 1.0;
      Hue = 0x47;

      Commodity = commodity;

      LootType = LootType.Blessed;
    }

    [Constructible]
    public CommodityDeed() : this(null)
    {
    }

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

    [CommandProperty(AccessLevel.GameMaster)]
    public Item Commodity{ get; private set; }

    public override int LabelNumber => Commodity == null ? 1047016 : 1047017;

    public bool SetCommodity(Item item)
    {
      InvalidateProperties();

      if (Commodity == null && (item as ICommodity)?.IsDeedable == true)
      {
        Commodity = item;
        Commodity.Internalize();
        InvalidateProperties();

        return true;
      }

      return false;
    }

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

      writer.Write(1); // version

      writer.Write(Commodity);
    }

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

      int version = reader.ReadInt();

      Commodity = reader.ReadItem();

      switch (version)
      {
        case 0:
        {
          if (Commodity != null) Hue = 0x592;
          break;
        }
      }
    }

    public override void OnDelete()
    {
      Commodity?.Delete();

      base.OnDelete();
    }

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

      if (Commodity != null)
      {
        string args;

        if (Commodity.Name == null)
          args =
            $"#{(Commodity is ICommodity commodity ? commodity.DescriptionNumber : Commodity.LabelNumber)}\t{Commodity.Amount}";
        else
          args = $"{Commodity.Name}\t{Commodity.Amount}";

        list.Add(1060658, args); // ~1_val~: ~2_val~
      }
      else
      {
        list.Add(1060748); // unfilled
      }
    }

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

      if (Commodity != null)
      {
        string args;

        if (Commodity.Name == null)
          args =
            $"#{(Commodity is ICommodity commodity ? commodity.DescriptionNumber : Commodity.LabelNumber)}\t{Commodity.Amount}";
        else
          args = $"{Commodity.Name}\t{Commodity.Amount}";

        LabelTo(from, 1060658, args); // ~1_val~: ~2_val~
      }
    }

    public override void OnDoubleClick(Mobile from)
    {
      int number;

      BankBox box = from.FindBankNoCreate();
      CommodityDeedBox cox = CommodityDeedBox.Find(this);

      // Veteran Rewards mods
      if (Commodity != null)
      {
        if (box != null && IsChildOf(box))
        {
          number = 1047031; // The commodity has been redeemed.

          box.DropItem(Commodity);

          Commodity = null;
          Delete();
        }
        else if (cox != null)
        {
          if (cox.IsSecure)
          {
            number = 1047031; // The commodity has been redeemed.

            cox.DropItem(Commodity);

            Commodity = null;
            Delete();
          }
          else
          {
            number = 1080525; // The commodity deed box must be secured before you can use it.
          }
        }
        else
        {
          if (Core.ML)
            number = 1080526; // That must be in your bank box or commodity deed box to use it.
          else
            number = 1047024; // To claim the resources ....
        }
      }
      else if (cox != null && !cox.IsSecure)
      {
        number = 1080525; // The commodity deed box must be secured before you can use it.
      }
      else if ((box == null || !IsChildOf(box)) && cox == null)
      {
        if (Core.ML)
          number = 1080526; // That must be in your bank box or commodity deed box to use it.
        else
          number = 1047026; // That must be in your bank box to use it.
      }
      else
      {
        number = 1047029; // Target the commodity to fill this deed with.

        from.Target = new InternalTarget(this);
      }

      from.SendLocalizedMessage(number);
    }

    private class InternalTarget : Target
    {
      private CommodityDeed m_Deed;

      public InternalTarget(CommodityDeed deed) : base(3, false, TargetFlags.None)
      {
        m_Deed = deed;
      }

      protected override void OnTarget(Mobile from, object targeted)
      {
        if (m_Deed.Deleted)
          return;

        int number;

        if (m_Deed.Commodity != null)
        {
          number = 1047028; // The commodity deed has already been filled.
        }
        else if (targeted is Item item)
        {
          BankBox box = from.FindBankNoCreate();
          CommodityDeedBox cox = CommodityDeedBox.Find(m_Deed);

          // Veteran Rewards mods
          if (box != null && m_Deed.IsChildOf(box) && item.IsChildOf(box) ||
              cox != null && cox.IsSecure && item.IsChildOf(cox))
          {
            if (m_Deed.SetCommodity(item))
            {
              m_Deed.Hue = 0x592;
              number = 1047030; // The commodity deed has been filled.
            }
            else
            {
              number = 1047027; // That is not a commodity the bankers will fill a commodity deed with.
            }
          }
          else if (Core.ML)
          {
            number = 1080526; // That must be in your bank box or commodity deed box to use it.
          }
          else
          {
            number = 1047026; // That must be in your bank box to use it.
          }
        }
        else
        {
          number = 1047027; // That is not a commodity the bankers will fill a commodity deed with.
        }

        from.SendLocalizedMessage(number);
      }
    }
  }
}