#!/usr/bin/python2

import getopt
import sys
import logging
import bluetooth

uuid = "11e63bf3-6baa-47d9-b31d-6045138c9add"
outputfile = None

try:
	opts, args = getopt.getopt(sys.argv[1:], "ho:v", ["help", "output="])

except getopt.GetoptError as err:
	# print help information and exit:
	print str(err)  # will print something like "option -a not recognized"
	#usage()
        sys.exit(2)

for o, a in opts:
	if o in ("-h", "--help"):
		print(
sys.argv[0] + """:	a program that will hopefully eventually provide a way to send firmware update zip files to a paired Olio watch.
-h, --help		Show this help message.
-o, --output		Set a file to write the output to.""")
		sys.exit(0)
	elif o in ("-o", "--output"):
		outputfile = open(a, "a")
		if outputfile is None:
			logging.warn(sys.argv[0] + ": failed to open " + a + ": " + str(err))
	else:
		assert False, sys.argv[0] + ": unknown argument."

server_sock = bluetooth.BluetoothSocket(bluetooth.RFCOMM)
server_sock.bind(("", bluetooth.PORT_ANY))
server_sock.listen(1)

port = server_sock.getsockname()[1]

bluetooth.advertise_service(server_sock, "BluetoothChatSecure",
                            service_id		= uuid,
                            service_classes	= [uuid, bluetooth.SERIAL_PORT_CLASS],
                            profiles		= [bluetooth.SERIAL_PORT_PROFILE])

print("Waiting for connection on RFCOMM channel %d" % port)

client_sock, client_info = server_sock.accept()
macaddress = client_info[0]

print("Recieved connection from: " + macaddress)

# Endless loop (unless there is an error or disconnect) that reads
# data from the Bluetooth RFCOMM socket 1,024 bytes at a time and
# prints them to stdout as well as writing them to outputfile if it
# is open. Use client_sock.recv(byte size) to read from the socket
# and client_sock.write('data') to write to the socket.
try:
	while True:
		data = client_sock.recv(1024)
		if len(data) == 0:
			logging.warn(sys.argv[0] + ': error.')
			if outputfile:
				outputfile.close()
			sys.exit(1)
		print(data)
		if outputfile:
			outputfile.write(data)

except IOError:
	pass

print(macaddress + " disconnected.")

if outputfile:
	outputfile.close()

client_sock.close()
server_sock.close()