import os
import glob
import time
import RPi.GPIO as GPIO
from bluetooth import *

os.system('modprobe w1-gpio')
os.system('modprobe w1-therm')

GPIO.setmode(GPIO.BCM)
GPIO.setup(17, GPIO.OUT)

base_dir = '/sys/bus/w1/devices/'
device_file = base_dir + 'w1_slave'

def read_temp_raw():
    f = open(device_file, 'r')
    lines = f.readlines()
    f.close()
    return lines

def read_temp():
    lines = read_temp_raw()
    while lines[0].strip()[-3:] != 'YES':
        time.sleep(0.2)
        lines = read_temp_raw()
    equals_pos = lines[1].find('t=')
    if equals_pos != -1:
        temp_string = lines[1][equals_pos+2:]
        temp_c = float(temp_string) / 1000.0
        temp_f = temp_c * 9.0 / 5.0 + 32.0
        return temp_c
	
#while True:
#	print(read_temp())	
#	time.sleep(1)


server_sock=BluetoothSocket( RFCOMM )
server_sock.bind(("",PORT_ANY))
server_sock.listen(1)

port = server_sock.getsockname()[1]

uuid = "94f39d29-7d6d-437d-973b-fba39e49d4ee"

advertise_service( server_sock, "AquaPiServer",
                   service_id = uuid,
                   service_classes = [ uuid, SERIAL_PORT_CLASS ],
                   profiles = [ SERIAL_PORT_PROFILE ]
#                   protocols = [ OBEX_UUID ] 
                    )
while True:          
    print ("Waiting for connection on RFCOMM channel %d" % port)

    client_sock, client_info = server_sock.accept()
    print ("Accepted connection from ", client_info)

    try:
        data = client_sock.recv(1024)
        if len(data) == 0: break
        print ("received [%s]" % data)

        if data == 'temp':
            data = str(read_temp())+'!'
        elif data == 'lightOn':
            GPIO.output(17,False)
            data = 'light on!'
        elif data == 'lightOff':
            GPIO.output(17,True)
            data = 'light off!'
        else:
            data = 'WTF!' 
        client_sock.send(data)
        print ("sending [%s]" % data)

    except IOError:
        pass

    except KeyboardInterrupt:

        print ("disconnected")

        client_sock.close()
        server_sock.close()
        print ("all done")

        break