class ImapServer
  # class ServerMessages < Array
  #   def initialize(crlf: true, tag: true)
  #     @crlf = crlf
  #     @tag = tag
  #     super()
  #   end

  #   def <<(item)
  #     if item.is_a?(String)
  #       super(ServerMessage.new(item, crlf: @crlf, tag: @tag))
  #     else
  #       super(item)
  #     end
  #   end
  # end

  class ServerMessage < String
    def initialize(string, crlf: true, tag: "*")
      @crlf = crlf
      @tag = tag
      super(string)
    end

    def to_s
      output = super()
      output = "#{output}\r\n" if @crlf && !output.end_with?("\r\r")
      output = "#{@tag} #{output}" if @tag
      output
    end
  end
end