#!/usr/bin/python

import RPi.GPIO as GPIO
from time import sleep
import datetime
import sys

GPIO.setmode(GPIO.BCM)
GPIO.setup(23,GPIO.OUT)

GPIO_PIR = 7

print ("PIR Module Test (CTRL-C to exit)")

# Set pin as input
GPIO.setup(GPIO_PIR,GPIO.IN)

Current_State  = 0
Previous_State = 0
exitst = 0
f = open("/home/pi/pir/wz_zeit.txt", "r")
stdvor = int(f.readline())
f.close()
print (stdvor)

print ("Waiting for PIR to settle ...")

# Loop until PIR output is 0
while GPIO.input(GPIO_PIR) == 1:
    Current_State = 0
print ("  Ready")

# Read PIR state
while True:
    Current_State = GPIO.input(GPIO_PIR)
    dt = datetime.datetime.now()
    std = int(dt.strftime("%H"))
    if std >= 14 and stdvor >= 14:
      print ("  Vormittag abgelaufen!")
      exitst = 2
      f = open("/home/pi/pir/wz_zeit.txt", "w")
      f.write("09")
      f.close()
      break
    if std >= 22:
      print ("  Nachmittag abgelaufen!")
      exitst = 1
      f = open("/home/pi/pir/wz_zeit.txt", "w")
      f.write("15")
      f.close()
      break
    if Current_State==1 and Previous_State==0:
# PIR is triggered
      print ("  Motion detected!")
      f = open("/home/pi/pir/wz_zeit.txt", "w")
      f.write(str(std))
      f.close()
# Record previous state
      GPIO.output(23,GPIO.HIGH)
      sleep(2)
      GPIO.output(23,GPIO.LOW)
      Previous_State=1
      exitst = 0
#Test      exitst = 1
      break
    sleep (0.1)

# clean up gpio pins when we exit the script
print ("Status = " + str(exitst))
print ("Quit")

# Reset GPIO settings
GPIO.cleanup()

sys.exit(exitst)