require "fiona7/obj_classes_from_queries"
require "fiona7/attribute_name_mangler"

module Fiona7
  class AttributeNamesFromQueries
    def initialize(attribute, queries)
      @attribute = attribute
      @queries   = queries
    end

    def attributes
      obj_classes = Fiona7::ObjClassesFromQueries.new(@queries).obj_classes
      obj_classes.map {|obj_class| AttributeNameMangler.new(@attribute, obj_class).mangle }.uniq.presence if obj_classes
    end

  end
end