#!/usr/bin/python3

from gi.repository import GLib

import sys
import dbus
import dbus.service
import dbus.mainloop.glib

NETMON_INTERFACE = "org.ofono.NetworkMonitor"
AGENT_INTERFACE = "org.ofono.NetworkMonitorAgent"

class NetworkMonitorAgent(dbus.service.Object):
	@dbus.service.method(AGENT_INTERFACE,
				in_signature="", out_signature="")
	def Release(self):
		print("Agent Released")
		mainloop.quit()

	@dbus.service.method(AGENT_INTERFACE,
				in_signature="a{sv}", out_signature="")
	def ServingCellInformationChanged(self, servingcell):
		print("ServingCellInformationChanged notification recieved")

		tech = 'Technology'
		mcc = 'MobileCountryCode'
		mnc = 'MobileNetworkCode'
		lac = 'LocationAreaCode'
		cid = 'CellId'
		psc = 'PrimaryScramblingCode'
		rssi = 'Strength'
		ber = 'BitErrorRate'

		if tech in servingcell:
			print("    [ Radio Access Technology = %s]" \
				% (servingcell[tech]))

		if mcc in servingcell:
			print("    [ Mobile Country Code = %s]" \
				% (servingcell[mcc]))

		if mnc in servingcell:
			print("    [ Mobile Network Code = %s]" \
				% (servingcell[mnc]))

		if lac in servingcell:
			print("    [ Location Area Code = %d]" \
				% (servingcell[lac]))

		if cid in servingcell:
			print("    [ Cell Identity = %d]" \
				% (servingcell[cid]))

		if psc in servingcell:
			print("    [ Primary Scrambling Code = %d]" \
				% (servingcell[psc]))

		if rssi in servingcell:
			print("    [ Signal Strength = %d]" \
				% (servingcell[rssi]))

		if ber in servingcell:
			print("    [ Bit Error Rate = %d]" \
				% (servingcell[ber]))

		print('')

if __name__ == '__main__':
	dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

	if len(sys.argv) < 2:
		print("Usage: %s <update_period_in_seconds>" %\
				(sys.argv[0]))
		sys.exit(1)

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

	modems = manager.GetModems()
	path = modems[0][0]
	nm = dbus.Interface(bus.get_object('org.ofono', path),
					NETMON_INTERFACE)

	path = "/test/netmonagent"
	agent = NetworkMonitorAgent(bus, path)

	try:
		period = int(sys.argv[1])
	except:
		print("Error: Invalid argument %s" % (sys.argv[1]))
		sys.exit(1)

	nm.RegisterAgent(path, period)
	print("Agent registered")
	mainloop = GLib.MainLoop()
	mainloop.run()