##Import Libraries

import twitter
import serial
import time

##authenticate yourself with twitter
api = twitter.Api(consumer_key='XXXXXXXXXXXX',
consumer_secret='XXXXXXXXXXX', access_token_key='XXXXXXXXXXXX',
access_token_secret='XXXXXXXXXXXXXXXXXXXXXX')

##set to your serial port
ser = serial.Serial('/dev/tty.usbmodem411', 19200)

## check serial port
def checkokay():
	ser.flushInput()
	time.sleep(3)
line= ser.readline()
time.sleep(3)

if line == ' ':
	line=ser.readline()
	print 'here'
	## Welcome message
	print 'Welcome To autokahwa!'
	print 'Making kahwa..'
	def autokahwa():
		status = [ ]
		x = 0

status = api.GetUserTimeline('X') ##grab latest statuses

checkIt = [s.text for s in status] ##put status in an array

drip = checkIt[0].split() ##split first tweet into words

## check for match and write to serial if match
if drip[0] == '#autokahwa':
	print 'Tweet Recieved, Making Kahwa'
	ser.write('1')
elif drip[0] == '#autokahwastop': ##break if done
	ser.write('0')
	print 'stopped, awaiting instructions.'
else:
	ser.write('0')
	print 'Awaiting Tweet'

while 1:
	autokahwa() ## call autokahwa function
	time.sleep(15) ## sleep for 15 seconds to avoid rate limiting