namespace Server.Items
{
  public abstract class BaseWaterContainer : Container, IHasQuantity
  {
    private int m_Quantity;

    public BaseWaterContainer(int item_Id, bool filled)
      : base(item_Id) =>
      m_Quantity = filled ? MaxQuantity : 0;

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

    public abstract int voidItem_ID { get; }
    public abstract int fullItem_ID { get; }
    public abstract int MaxQuantity { get; }

    public override int DefaultGumpID => 0x3e;

    [CommandProperty(AccessLevel.GameMaster)]
    public virtual bool IsEmpty => m_Quantity <= 0;

    [CommandProperty(AccessLevel.GameMaster)]
    public virtual bool IsFull => m_Quantity >= MaxQuantity;

    [CommandProperty(AccessLevel.GameMaster)]
    public virtual int Quantity
    {
      get => m_Quantity;
      set
      {
        if (value != m_Quantity)
        {
          m_Quantity = value < 1 ? 0 : value > MaxQuantity ? MaxQuantity : value;

          Movable = !IsLockedDown ? IsEmpty : false;

          ItemID = IsEmpty ? voidItem_ID : fullItem_ID;

          if (!IsEmpty)
          {
            IEntity rootParent = RootParent;

            if (rootParent?.Map != null && rootParent.Map != Map.Internal)
              MoveToWorld(rootParent.Location, rootParent.Map);
          }

          InvalidateProperties();
        }
      }
    }

    public override void OnDoubleClick(Mobile from)
    {
      if (IsEmpty) base.OnDoubleClick(from);
    }

    public override void OnSingleClick(Mobile from)
    {
      if (IsEmpty)
      {
        base.OnSingleClick(from);
      }
      else
      {
        if (Name == null)
          LabelTo(from, LabelNumber);
        else
          LabelTo(from, Name);
      }
    }

    public override void OnAosSingleClick(Mobile from)
    {
      if (IsEmpty)
      {
        base.OnAosSingleClick(from);
      }
      else
      {
        if (Name == null)
          LabelTo(from, LabelNumber);
        else
          LabelTo(from, Name);
      }
    }

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

    public override bool OnDragDropInto(Mobile from, Item item, Point3D p)
    {
      if (!IsEmpty) return false;

      return base.OnDragDropInto(from, item, p);
    }

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

      writer.Write(0); // version
      writer.Write(m_Quantity);
    }

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

      int version = reader.ReadInt();
      m_Quantity = reader.ReadInt();
    }
  }
}