module AlexCodebreaker
  class Game
    include AlexCodebreaker::Modules::ArgumentsValidation

    attr_reader :secret_code, :session

    def initialize
      @secret_code = AlexCodebreaker::SecretCodeGenerator.new.secret_code
      @secret_code_for_hint = @secret_code.clone.uniq
      @session = Session.new
    end

    def hint
      return unless @session.check_hints

      process_hint
    end

    def guess(user_input)
      return unless guess_validation(user_input) && @session.check_attempts

      compare_codes(user_input)
    end

    private

    def process_hint
      return @secret_code_for_hint.first if @secret_code_for_hint.one?

      @secret_code_for_hint.delete(@secret_code_for_hint.sample)
    end

    def compare_codes(user_input)
      user_input = format_user_input(user_input)
      comparison = Comparison.new(user_input, @secret_code.clone)
      comparison.response
    end

    def format_user_input(user_input)
      user_input.chars.map(&:to_i)
    end
  end
end