#!/usr/bin/python

import sys
import dbus
import neardutils

bus = dbus.SystemBus()

def extract_list(list):
	val = "["
	for i in list:
		val += " " + str(i)
	val += " ]"
	return val

def usage():
	print("Usage: %s <command>" % (sys.argv[0]) )
	print("")
	print("  list")
	print("  powered nfcX [on/off]")
	print("  poll nfcX [on/off] [Initiator/Target/Dual]")
	sys.exit(1)

if (len(sys.argv) < 2):
	usage()

if (sys.argv[1] == "list"):
	if (len(sys.argv) < 3):
		om = dbus.Interface(bus.get_object("org.neard", "/"),
					"org.freedesktop.DBus.ObjectManager")
		objects = om.GetManagedObjects()
		for path, interfaces in objects.iteritems():
			if "org.neard.Adapter" not in interfaces:
				continue

			print(" [ %s ]" % (path))

			props = interfaces["org.neard.Adapter"]

			for (key, value) in props.items():
				if (key == "Protocols"):
					val = extract_list(value)
					print("    %s = %s" % (key, val))

				elif key in ["Powered", "Polling"]:
					if value == dbus.Boolean(1):
						val = "true"
					else:
						val = "false"
					print("    %s = %s" % (key, val))

				else:
					print("    %s = %s" % (key, value))

		sys.exit(0)

if (sys.argv[1] == "powered"):
	if (len(sys.argv) < 4):
		usage()
	else:
		path = "/org/neard/" + sys.argv[2]

		adapter_path = neardutils.find_adapter(path).object_path
		adapter = dbus.Interface(bus.get_object("org.neard", adapter_path),
					"org.freedesktop.DBus.Properties")

		if (sys.argv[3] == "on"):
			value = dbus.Boolean(1)
		elif (sys.argv[3] == "off"):
			value = dbus.Boolean(0)
		else:
			value = dbus.Boolean(sys.argv[3])
		try:
			adapter.Set("org.neard.Adapter", "Powered", value)
		except dbus.DBusException, error:
			print "%s: %s" % (error._dbus_error_name, error.message)
	sys.exit(0)

if (sys.argv[1] == "poll"):
	if (len(sys.argv) < 4):
		usage()
	else:
		path = "/org/neard/" + sys.argv[2]

		adapter = neardutils.find_adapter(path)

		if (sys.argv[3] == "on"):
			if (len(sys.argv) == 4):
				mode = "Initiator"
			else:
				mode = sys.argv[4]

			try:
				adapter.StartPollLoop(mode)
			except dbus.DBusException, error:
				print "%s: %s" % (error._dbus_error_name, error.message)

		elif (sys.argv[3] == "off"):
			try:
				adapter.StopPollLoop()
			except dbus.DBusException, error:
				print "%s: %s" % (error._dbus_error_name, error.message)

		else:
			usage()

	sys.exit(0)

usage()