#!/usr/bin/env python
# -*- coding: utf8 -*-

import RPi.GPIO as GPIO
import MFRC522
import signal
import serial
import time, os, json
y=0
zaeler = 0
uid0 = 0
uid1 = 0
uid2 = 0
uid3 = 0
a = 0
i = 0
s = serial.Serial('/dev/ttyACM0', 9600) # Namen ggf. anpassen
s.isOpen()
time.sleep(5)
GPIO.setmode(GPIO.BOARD);
GPIO.setwarnings(False)

SEND_URL        = "https://gcm-http.googleapis.com/gcm/send";
SENDER_CHANNEL  = "/topics/bewegung";
COOLDOWN        = 10; # Seconds that should be waited between messages
NUM_MODULES     = 2; # amount of used modules (motion detector, magnetic switch$

MODULES = range(NUM_MODULES);
MODULES[0] = { "name": "Eingangstuer", "gpio": 13};
MODULES[1] = { "name": "Seitentuer", "gpio": 15};

def sentMessage(channel):
    for m in MODULES:
        if channel == m["gpio"]:
            if not ("lastMessageSent" in m) or ("lastMessageSent" in m and m["lastMessageSent"]+COOLDOWN <= time.time()):
                m["lastMessageSent"] = int(time.time());
                obj = { "O": m["name"],
                "T": m["lastMessageSent"]};
                message = json.JSONEncoder().encode(obj).replace('"', '\\"');
                os.system('curl --header "Authorization: key="'+AUTH_KEY+' --header Content-Type:"application/json" '+SEND_URL+' -d \'{"to":"'+SENDER_CHANNEL+'", "data": {"message": "'+message+'" }}\'');
                i=2
                return;


print "Bereit"
s.write("a")

while True:


    # Capture SIGINT for cleanup when the script is aborted
    def end_read(signal,frame):
            global continue_reading
            continue_reading = False
            GPIO.cleanup()
# Hook the SIGINT
    signal.signal(signal.SIGINT, end_read)

# Create an object of the class MFRC522
    MIFAREReader = MFRC522.MFRC522()

    # Scan for cards
    (status,TagType) = MIFAREReader.MFRC522_Request(MIFAREReader.PICC_REQIDL)
    # If a card is found
    if status == MIFAREReader.MI_OK:
        print"Karte gefunden"

    # Get the UID of the card
        (status,uid) = MIFAREReader.MFRC522_Anticoll()

        uid0 = int(uid[0])
        uid1 = int(uid[1])
        uid2 = int(uid[2])
        uid3 = int(uid[3])

        if uid0 == 37 and uid1 == 244 and uid2 == 3 and uid3 == 83:
            print"richtige Karte"
            if i==1:
                print"Aktiviert"
                s.write("d")
                i=0

            else:
                if i==0:
                    os.system ("sudo ./send 10101 1 0")
                    i=1
                    s.write("e")
                    print ("Deaktiviert")
                else:
                    if i==2:
                        os.system ("sudo ./send 10101 1 0")
                        i=1
                        s.write("e")
                        print ("Deaktiviert")
                    else:
                        s.write("f")
                        i=2
            time.sleep(3)

#---------------------------------------------------------------------------

    if i==0:
            # Setup
        pass
        for m in MODULES:
                GPIO.setup(m["gpio"], GPIO.IN);
                GPIO.add_event_detect(m["gpio"], GPIO.RISING, callback=sentMessage);


    # s.write("c")
    # print "Sende c"
    # os.system ("sudo ./send 10101 1 1")


#----------------------------------------------------------------------------

    if i==2:
            a=2

#----------------------------------------------------------------------------

    if i==1:
        #Deaktiviert
        zaeler = zaeler + 1
#----------------------------------------------------------------------------
        time.sleep(0.2)