require 'socket'

class Scratch

  attr_reader :socket_json,
              :socket_plain

  def initialize
    @socket_json  = UNIXSocket.open('/home/dev/users/taras/stuff/tg/telega_cli_json')
    @socket_plain = UNIXSocket.open('/home/dev/users/taras/stuff/tg/telega_cli_plain')
  end


  def execute(cid)
    txt_channel_info       = 'channel_info %s' % cid
    txt_channel_get_admins = 'channel_get_admins %' % cid

    puts '# запрашиваем данные об админах'
    socket_json.puts(txt_channel_get_admins)
    _print_socket_response(socket_json)
    # {"result": "FAIL", "error_code": 71, "error": "RPC_CALL_FAIL 400: CHAT_ADMIN_REQUIRED"}

    puts '# узнаём описание канала'
    socket_plain.puts(txt_channel_info)
    _print_socket_response(socket_plain)

    puts '# узнаём другие метрики канала'
    socket_json.puts(txt_channel_info)
    _print_socket_response(socket_json)

    socket_json.close
    socket_plain.close
  end

  private

  def _print_socket_response(socket)
    socket.each_char do |c|
      break if c == '>'
      print c
    end
  end

end

Scratch.new.execute('$05000000d042d440c1c2011001869c33')