import subprocess
import RPi.GPIO as GPIO

# ----------------- READ SENSORS VIA RF LINK ------------------- #



def TSniff():
    RFsave = subprocess.Popen([ 'sudo', './THSniff','-1'],stdin=subprocess.PIPE,stdout=subprocess.PIPE,).stdout.read(15);    # Load output of THSniff C++ Executable to memory

    # Temperature Detection
    tempID = "980"                          # ID Added at origin for temperature
    tempPos = RFsave.index(tempID);         # Position of temperature in transmission
    temperature = float(RFsave[tempPos+3:tempPos+7])/100

    return temperature


def HSniff():
    RFsave = subprocess.Popen([ 'sudo', './THSniff','-1'],stdin=subprocess.PIPE,stdout=subprocess.PIPE,).stdout.read(15);    # Load output of THSniff C++ Executable to memory

    # Humidity Detection
    humID = "990"                           # ID Added at origin for humidity
    humPos = RFsave.index(humID);           # Position of humidity in transmission
    humidity = float(RFsave[humPos+3:humPos+7])/100

    return humidity

while True:
    if (TSniff() > 24):
        print "Temperature " + str(TSniff()) + u'\N{DEGREE SIGN}' + "C" + " - Too Hot"
    else:
        print "Temperature " + str(TSniff()) + u'\N{DEGREE SIGN}' + "C" + " - Too Cold"

    if (HSniff() > 58):
        print "Humidity " + str(HSniff()) + "%" + " - Too wet"
    else:
        print "Humidity " + str(HSniff()) + "%" + " - Too Dry"