using Server.Gumps;
using Server.Multis;
using Server.Network;
using Server.Targeting;

namespace Server.Items
{
  public enum DecorateCommand
  {
    None,
    Turn,
    Up,
    Down
  }

  public class InteriorDecorator : Item
  {
    private DecorateCommand m_Command;

    [Constructible]
    public InteriorDecorator() : base(0xFC1)
    {
      Weight = 1.0;
      LootType = LootType.Blessed;
    }

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

    [CommandProperty(AccessLevel.GameMaster)]
    public DecorateCommand Command
    {
      get => m_Command;
      set
      {
        m_Command = value;
        InvalidateProperties();
      }
    }

    public override int LabelNumber => 1041280; // an interior decorator

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

      if (m_Command != DecorateCommand.None)
        list.Add(1018322 + (int)m_Command); // Turn/Up/Down
    }

    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();
    }

    public override void OnDoubleClick(Mobile from)
    {
      if (!CheckUse(this, from))
        return;

      if (from.FindGump(typeof(InternalGump)) == null)
        from.SendGump(new InternalGump(this));

      if (m_Command != DecorateCommand.None)
        from.Target = new InternalTarget(this);
    }

    public static bool InHouse(Mobile from)
    {
      BaseHouse house = BaseHouse.FindHouseAt(from);

      return house != null && house.IsCoOwner(from);
    }

    public static bool CheckUse(InteriorDecorator tool, Mobile from)
    {
      /*if ( tool.Deleted || !tool.IsChildOf( from.Backpack ) )
        from.SendLocalizedMessage( 1042001 ); // That must be in your pack for you to use it.
      else*/
      if (!InHouse(from))
        from.SendLocalizedMessage(502092); // You must be in your house to do this.
      else
        return true;

      return false;
    }

    private class InternalGump : Gump
    {
      private InteriorDecorator m_Decorator;

      public InternalGump(InteriorDecorator decorator) : base(150, 50)
      {
        m_Decorator = decorator;

        AddBackground(0, 0, 200, 200, 2600);

        AddButton(50, 45, decorator.Command == DecorateCommand.Turn ? 2154 : 2152, 2154, 1, GumpButtonType.Reply, 0);
        AddHtmlLocalized(90, 50, 70, 40, 1018323, false, false); // Turn

        AddButton(50, 95, decorator.Command == DecorateCommand.Up ? 2154 : 2152, 2154, 2, GumpButtonType.Reply, 0);
        AddHtmlLocalized(90, 100, 70, 40, 1018324, false, false); // Up

        AddButton(50, 145, decorator.Command == DecorateCommand.Down ? 2154 : 2152, 2154, 3, GumpButtonType.Reply,
          0);
        AddHtmlLocalized(90, 150, 70, 40, 1018325, false, false); // Down
      }

      public override void OnResponse(NetState sender, RelayInfo info)
      {
        DecorateCommand command = DecorateCommand.None;

        switch (info.ButtonID)
        {
          case 1:
            command = DecorateCommand.Turn;
            break;
          case 2:
            command = DecorateCommand.Up;
            break;
          case 3:
            command = DecorateCommand.Down;
            break;
        }

        if (command != DecorateCommand.None)
        {
          m_Decorator.Command = command;
          sender.Mobile.SendGump(new InternalGump(m_Decorator));
          sender.Mobile.Target = new InternalTarget(m_Decorator);
        }
        else
        {
          Target.Cancel(sender.Mobile);
        }
      }
    }

    private class InternalTarget : Target
    {
      private InteriorDecorator m_Decorator;

      public InternalTarget(InteriorDecorator decorator) : base(-1, false, TargetFlags.None)
      {
        CheckLOS = false;

        m_Decorator = decorator;
      }

      protected override void OnTargetNotAccessible(Mobile from, object targeted)
      {
        OnTarget(from, targeted);
      }

      protected override void OnTarget(Mobile from, object targeted)
      {
        if (targeted is Item item && CheckUse(m_Decorator, from))
        {
          BaseHouse house = BaseHouse.FindHouseAt(from);

          bool isDecorableComponent = false;
          object addon = null;
          int count = 0;

          if (item is AddonComponent component)
          {
            count = component.Addon.Components.Count;
            addon = component.Addon;
          }
          else if (item is AddonContainerComponent containerComponent)
          {
            count = containerComponent.Addon.Components.Count;
            addon = containerComponent.Addon;
          }
          else if (item is BaseAddonContainer container)
          {
            count = container.Components.Count;
            addon = container;
          }

          if (addon != null)
          {
            if (count == 1 && Core.SE)
              isDecorableComponent = true;

            if (m_Decorator.Command == DecorateCommand.Turn)
            {
              FlippableAddonAttribute[] attributes =
                (FlippableAddonAttribute[])addon.GetType()
                  .GetCustomAttributes(typeof(FlippableAddonAttribute), false);

              if (attributes.Length > 0)
                isDecorableComponent = true;
            }
          }

          if (house == null || !house.IsCoOwner(from))
          {
            from.SendLocalizedMessage(502092); // You must be in your house to do this.
          }
          else if (item.Parent != null || !house.IsInside(item))
          {
            from.SendLocalizedMessage(1042270); // That is not in your house.
          }
          else if (!house.HasLockedDownItem(item) && !house.HasSecureItem(item) && !isDecorableComponent)
          {
            if (item is AddonComponent && m_Decorator.Command == DecorateCommand.Up)
              from.SendLocalizedMessage(1042274); // You cannot raise it up any higher.
            else if (item is AddonComponent && m_Decorator.Command == DecorateCommand.Down)
              from.SendLocalizedMessage(1042275); // You cannot lower it down any further.
            else
              from.SendLocalizedMessage(1042271); // That is not locked down.
          }
          else if (item is VendorRentalContract)
          {
            from.SendLocalizedMessage(1062491); // You cannot use the house decorator on that object.
          }
          else if (item.TotalWeight + item.PileWeight > 100)
          {
            from.SendLocalizedMessage(1042272); // That is too heavy.
          }
          else
          {
            switch (m_Decorator.Command)
            {
              case DecorateCommand.Up:
                Up(item, from);
                break;
              case DecorateCommand.Down:
                Down(item, from);
                break;
              case DecorateCommand.Turn:
                Turn(item, from);
                break;
            }
          }
        }

        from.Target = new InternalTarget(m_Decorator);
      }

      protected override void OnTargetCancel(Mobile from, TargetCancelType cancelType)
      {
        if (cancelType == TargetCancelType.Canceled)
          from.CloseGump(typeof(InternalGump));
      }

      private static void Turn(Item item, Mobile from)
      {
        object addon = null;

        if (item is AddonComponent component)
          addon = component.Addon;
        else if (item is AddonContainerComponent containerComponent)
          addon = containerComponent.Addon;
        else if (item is BaseAddonContainer container)
          addon = container;

        if (addon != null)
        {
          FlippableAddonAttribute[] aAttributes =
            (FlippableAddonAttribute[])addon.GetType()
              .GetCustomAttributes(typeof(FlippableAddonAttribute), false);

          if (aAttributes.Length > 0)
          {
            aAttributes[0].Flip(from, (Item)addon);
            return;
          }
        }

        FlippableAttribute[] attributes =
          (FlippableAttribute[])item.GetType().GetCustomAttributes(typeof(FlippableAttribute), false);

        if (attributes.Length > 0)
          attributes[0].Flip(item);
        else
          from.SendLocalizedMessage(1042273); // You cannot turn that.
      }

      private static void Up(Item item, Mobile from)
      {
        int floorZ = GetFloorZ(item);

        if (floorZ > int.MinValue && item.Z < floorZ + 15) // Confirmed : no height checks here
          item.Location = new Point3D(item.Location, item.Z + 1);
        else
          from.SendLocalizedMessage(1042274); // You cannot raise it up any higher.
      }

      private static void Down(Item item, Mobile from)
      {
        int floorZ = GetFloorZ(item);

        if (floorZ > int.MinValue && item.Z > GetFloorZ(item))
          item.Location = new Point3D(item.Location, item.Z - 1);
        else
          from.SendLocalizedMessage(1042275); // You cannot lower it down any further.
      }

      private static int GetFloorZ(Item item)
      {
        Map map = item.Map;

        if (map == null)
          return int.MinValue;

        StaticTile[] tiles = map.Tiles.GetStaticTiles(item.X, item.Y, true);

        int z = int.MinValue;

        for (int i = 0; i < tiles.Length; ++i)
        {
          StaticTile tile = tiles[i];
          ItemData id = TileData.ItemTable[tile.ID & TileData.MaxItemValue];

          int top = tile.Z; // Confirmed : no height checks here

          if (id.Surface && !id.Impassable && top > z && top <= item.Z)
            z = top;
        }

        return z;
      }
    }
  }
}