import sys

from naoqi import qi
from naoqi import ALProxy

class system_info:
    ipadress = "146.50.60.59"   #sam wireless
    port = "9559"
 
    def subscribeDevice(self, app):

        self.session = app.session

        self.system_proxy = self.session.service("ALSystem")
        robot_name    = self.system_proxy.robotName()
        naoqi_version = self.system_proxy.systemVersion()

        print("The robot %s has version %s" % (robot_name, naoqi_version))

        self.audio_proxy = self.session.service("ALAudioDevice")
        self.audio_proxy.setOutputVolume(70)

    def unsubscribeDevice(self):
        volume = self.audio_proxy.getOutputVolume()
        print('The sound is now on volume %d' % volume)



if __name__ == '__main__':

    print("Note that could specify the ip-address with the argument '--qi-url=tcp://146.50.60.??'")
 
    application = qi.Application(sys.argv)

    try:
        application.start()
    except RunTimeError:
        print("Can't connect to Naoqi at " + sys.argv)
        sys.exit(1)


    element = system_info()

    element.subscribeDevice(application)
    element.unsubscribeDevice()