module AlexCodebreaker
  class PlayersRating
    attr_accessor :stats

    def initialize
      @stats = []
      load_and_sort_stats
    end

    private

    def load_and_sort_stats
      return unless File.exist?(winners_path)

      load_stats
      sort_stats
    end

    def load_stats
      File.open(winners_path) do |file|
        @stats = Array.new(YAML.load_stream(file))
      end
    end

    def sort_stats
      @stats.sort_by! { |value| [-value.difficulty_level, value.attempts_used, value.hints_used] }
    end

    def winners_path
      "#{AlexCodebreaker.configuration.winners_folder_path}#{AlexCodebreaker::Session::WINNERS_FILE_NAME}"
    end
  end
end