module GemCodebreakerAmidasd
  require 'yaml'

  class DbUtility
    class << self
      def save_yaml_db(user, yml_db)
        File.write(yml_db, user.to_yaml)
      end

      def load_yaml_db(yml_db)
        return unless File.exist?(yml_db)

        YAML.load_file(yml_db)
      end

      def add_db(user, path)
        db = load_yaml_db(path)
        db ||= []
        db << user
        db = db.sort_by { |value| [value.total_count_attempt, value.count_attempt, value.count_hint] }
        save_yaml_db(db, path)
      end
    end
  end
end