module AxleAttributes
  class ChildDefinition < ::AxleAttributes::Definition
    attr_accessor :nested_path

    setup do
      setup_storage! unless name == 'id'
      setup_versioning!
    end

    def display_name
      human = model.model_name.human
      human = human.pluralize if nested_path
      "#{human}: #{super}"
    end

    def canonical_name
      @canonical_name ||= "#{model.model_name.send(nested_path ? :plural : :singular)}.#{name}"
    end

    private

      def setup_storage!
        if type
          storage_options = case type
            when :text
              {type: :string}
            else
              options.slice(:type, :default)
            end

          model.attribute(name, storage_options)
        end
      end

      def setup_versioning!
        if versioned?
          model.add_versioned_attribute name
        end
      end

  end
end