#!/usr/bin/python

import argparse
import json
from w1thermsensor import W1ThermSensor

parser = argparse.ArgumentParser()
parser.add_argument("-p","--path", help="Specify a specific sensor ID. If path not provided returns all.")
parser.add_argument("-s","--scale", help="Choose fahrenheit (f) or celsius (c)")
parser.add_argument("-r","--round", action='store_true', default=False, help="Add to round values")
args = parser.parse_args()

def transform ( temperature ):
    if args.scale == "fahrenheit" or args.scale == "f":
        temperature = temperature * 1.8 + 32

    if args.round == True:
        temperature = int(round(temperature))

    return temperature

if args.path == None:
    data = {}
    for sensor in W1ThermSensor.get_available_sensors():
        data[sensor.id] = transform(sensor.get_temperature())
    print(json.dumps(data))

else:
    sensor = W1ThermSensor(sensor_id=args.path)
    temp = transform(sensor.get_temperature())
    print(temp)