module Gosuplus
  module GUI
    class Button
      attr_accessor :timer
      def initialize(position, image, input_handler, key_id, text = nil, font = nil)
        @icon = Icon.new(image, position)
        @input_handler, @key_id = input_handler, key_id
        if text && font
          @text = Text.new(text, font)
          @text.center(@icon)
        end
      end

      def draw
        ButtonRenderer.draw(@icon, @text)
      end

      def update(x, y)
        @active = false if @active

        unless @timer.nil?
          if activated?(x, y)
            @timer.reset
            @active = true
          end
        else
          @active = false
        end

        @timer.update
      end

      def active?
        @active
      end

      private
      def activated?(x, y)
        Collision.rectangular_collision?(@icon.body, Body.new(Vec2.new(x, y), 1, 1)) && @timer.ready? && @input_handler.get_state(256)
      end
    end
  end
end