module Testing

  @@loaded ||= false

  class DragTool

    def activate
      @model = Sketchup.active_model
      @choice=Sketchup.active_model.selection[0];
      if choice
        @cancelled = @placed = false
        @model.start_operation("DragInsert Component")
      else
        @model.select_tool(nil)
      end
    end

    def deactivate(view)
      if @placed && !@cancelled
        @model.commit_operation
      else
        @model.abort_operation
      end
    end

    def onCancel(reason, view)
      puts "Cancel reason: #{reason}"
      @cancelled = true
      @model.select_tool(nil)
    end

    def onLButtonDown( flags, x, y, view )
      ip = view.inputpoint( x,y )
      point = ip.position
      @choice.move!( Geom::Transformation::translation(point) )
      view.invalidate
      @placed = true
      @model.select_tool(nil)
    end

    def onMouseMove( flags, x, y, view )
      @ip = view.inputpoint( x,y )
      @point = @ip.position
      @choice.move!( Geom::Transformation::translation(@point) )
      view.invalidate
	  plane = [Geom::Point3d.new(0,0,0), Geom::Vector3d.new(0,0,1)]
	  projected_point = @point.project_to_plane(plane)
	  #puts projected_point
    end
	
	def draw(view)
       draw_preview(view)
       #@ip.draw(view) if @ip.display?
    end

    def draw_preview(view)
		ipface = @ip.face
        if ipface
            box_points = ipface.vertices.map { |v| v.position }
            view.drawing_color = Sketchup::Color.new(0, 255, 255, 50)
            view.draw(GL_POLYGON, box_points)
			puts box_points
			puts 1
			choicepoint = Geom::Point3d.new(@choice.transformation.origin)
			puts choicepoint
			boundingbox = ipface.bounds
			choicefacepoint = boundingbox.center
			#view.set_color_from_line(box_points[0], choicepoint)
            view.drawing_color = Sketchup::Color.new(0, 0, 0, 50)
            view.line_width = 2
            view.line_stipple = '123'
			points = [Geom::Point3d.new(box_points[2]), Geom::Point3d.new(box_points[3])]
            view.draw(GL_LINES, points)
			distance = choicepoint.distance_to_line(points)
			puts distance
        end
    end

  end

  if !@@loaded
    UI.add_context_menu_handler {|popup|
      popup.add_item("DragInsert Component Tool") {
        Sketchup.active_model.select_tool(DragTool::new)
      }
    }
    @@loaded = true
  end

end