#!/usr/bin/python3

from gi.repository import GLib
import sys
import dbus
import dbus.mainloop.glib

def network_property_changed(name, value):
	print("Network Registration property '%s' changed to '%s'" %\
		(name, value))

	if name == 'Name' and canexit:
		mainloop.quit()

if __name__ == "__main__":
	if len(sys.argv) < 2:
		print("Usage: %s [modem] <path> - Register to PLMN on <path>" %\
			(sys.argv[0]))
		print("Usage: %s [modem] default - Register to default PLMN" %\
			(sys.argv[0]))
		sys.exit(1)

	canexit = False

	dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

	bus = dbus.SystemBus()

	manager = dbus.Interface(bus.get_object('org.ofono', '/'),
							'org.ofono.Manager')

	if len(sys.argv) == 3:
		path = sys.argv[1]
		plmn = sys.argv[2]
	else:
		modems = manager.GetModems()
		path = modems[0][0]
		plmn = sys.argv[1]

	netreg = dbus.Interface(bus.get_object('org.ofono', path),
				'org.ofono.NetworkRegistration')

	netreg.connect_to_signal("PropertyChanged", network_property_changed)

	props = netreg.GetProperties()

	print("Status is: '%s', Operator Name is: '%s'" %\
		(props['Status'], props['Name']))

	if 'LocationAreaCode' in props and 'CellId' in props:
		print("Location: '%d', Cell: '%d'" %\
			(props['LocationAreaCode'], props['CellId']))

	if 'Technology' in props:
		print("Technology: '%s'" % (props['Technology']))

	try:
		if plmn == 'default':
			netreg.Register()
		else:
			obj = bus.get_object('org.ofono', plmn);
			op = dbus.Interface(obj, 'org.ofono.NetworkOperator')
			op.Register()
	except dbus.DBusException as e:
		print("Unable to register: %s" % e)
		sys.exit(1)

	canexit = True

	mainloop = GLib.MainLoop()
	mainloop.run()