#!/usr/bin/env python

from time import time, sleep
import datetime
import os                 
import RPi.GPIO as GPIO
import urlparse
import paho.mqtt.client as paho

# Time to wait (in seconds)
ttw=59
cttw=ttw

# Setup Gpio
# GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
GPIO.setup(23, GPIO.IN)         #Output PIR
GPIO.setup(25, GPIO.OUT)

# Mqtt
#mqttc = mosquitto.Mosquitto()
mqttc = paho.Client()

url_str = 'mqtt://192.xxx.yyy.zzz:1883'
url = urlparse.urlparse(url_str)
mqttc.username_pw_set("xxxx", "yyyyyy")

def sendmqtt(mess):
    print "Send mqtt"
    now = datetime.datetime.now()
    mqttc.connect(url.hostname, url.port)
#   mqttc.publish("pir/kitchen", str(now) + mess)
    mqttc.publish("pir/kitchen", mess)

while True:
    i=GPIO.input(23)
    if i==0:                 #When output from motion sensor is LOW, no movement
        cttw-=1
        print cttw
        if cttw==0: # Counter has reached zero
            print "Counter is 0"
            sendmqtt("OFF")
            GPIO.output(25, False)
            cttw=ttw    # Reset counter

    elif i==1:               #When output from motion sensor is HIGH, movement detected
        print "Motion detected"
        cttw=ttw   
        sendmqtt("ON")
        GPIO.output(25, True)
        sleep(1)    
    sleep(1)