#!/usr/bin/python2
from engine import engine
from power_sensor import power_sensor
from time import sleep, time
from datetime import datetime
from getopt import getopt
from sys import argv

eng = engine(13, 19)
ps = power_sensor(1, 0x40)

def run_engine(direction):
	if direction in ("u", "up"):
		eng.run_up()
	elif direction in ("d", "down"):
		eng.run_down()
	else:
		return
	log = open("power.log", "w")
	try:
		while True:
				power = ps.power_mw()
				ts = datetime.fromtimestamp(time()).microsecond
				log.write(str(ts) + " ms " + str(power) + " mW")
				log.write(str(ts) + " ms " + str(power) + " mW")
				log.write(str(ts) + " ms " + str(power) + " mW")
				print str(ts) + " ms " + str(power) + " mW"
	except KeyboardInterrupt:
		eng.stop()
		log.close()

def print_help():
	print "help screen..."


def main(argv):
	dir_list = ["u", "up", "d", "down"]
	options, remainder = getopt(argv, "hd:", ["help", "direction="])
	for opt, args in options:
		if opt in ("-h", "--help"):
			print_help()
		elif opt in ("-d", "--direction"):
			if args in dir_list:
				run_engine(args)
			else:
				print_help()


if __name__ == "__main__":
	main(argv[1:])