#!/usr/bin/env python3
#
# Copyright 2019-2020, Mischa Peters <mischa AT high5 DOT nl>, High5!.
# Version 1.0 - 20191103
# Version 1.1 - 20200507 - added config file support
#
# Get temperaure from all sensors
#
# For exmaple:
# $ temperature.py <bridge name>
#
# Requires:
#   - Python 3.x
#
import argparse
import ssl
import urllib.request
import json
import re
import collections
import math
import os
import configparser

parser = argparse.ArgumentParser(description="Get temperature from Hue Bridge")
parser.add_argument("bridgename", type=str, help="Hue Bridge name in specified in hue.conf")
parser.add_argument("-v", "--verbose", action='store_true', help="verbose")
parser.add_argument("-d", "--debug", action='store_true', help="debug")

try:
	args = parser.parse_args()
	bridgename = args.bridgename
	verbose = args.verbose
	debug = args.debug

except argparse.ArgumentError as e:
	print(str(e))

config_files = ['./hue.conf', './.hue.conf', '/etc/hue.conf', '/etc/hue/hue.conf', os.path.expanduser('~/.hue.conf'), os.path.expanduser('~/hue.conf')]
config = configparser.RawConfigParser()
config.read(config_files)
bridge = config.get(bridgename, 'ip')
token = config.get(bridgename, 'token')

no_cert_check = ssl.create_default_context()
no_cert_check.check_hostname=False
no_cert_check.verify_mode=ssl.CERT_NONE

url = f"https://{bridge}/api/{token}/sensors"
req = urllib.request.Request(url)
with urllib.request.urlopen(req, context=no_cert_check) as response:
	content = response.read()
json_data = json.loads(content)

p = re.compile("([a-fA-F0-9]{2}:?){8}")
sensors = collections.defaultdict(list);

for key in json_data:
	if "uniqueid" in json_data[key]:
		if p.search(json_data[key]['uniqueid']):
			if json_data[key]['type'] == 'ZLLPresence':
				sensors[json_data[key]['uniqueid'][:-8]].insert(0, key)
			else:
				sensors[json_data[key]['uniqueid'][:-8]].append(key)

for key in sensors:
	for i in sensors[key]:
		if json_data.get(i)['type'] == 'ZLLPresence':
			name = json_data.get(i)['name']
		if json_data.get(i)['type'] == 'ZLLTemperature':
			updated = json_data.get(i)['state']['lastupdated'][-8:]
			if json_data.get(i)['state']['temperature']:
				temperature = round((json_data.get(i)['state']['temperature'] / 100), 1)
			else:
				temperature = 0
			if verbose:
				print (f"{name:<32s} - {temperature:>4}C (updated: {updated} UTC)")
			elif debug:
				print (f"{name:<32s} - {temperature:>4}C (updated: {updated} UTC - sensor: {i})")
			else:
				print (f"{name:<32s} - {temperature:>4}C")