#!/usr/bin/env python3
#
# Copyright 2019, Mischa Peters <mischa AT high5 DOT nl>, High5!.
# Version 1.0 - 20191102
#
# Control a light or plug
#
# For example:
# $ lightctl.py <bridge IP> <token> -l 24 -a on
#
# Follow the steps at the Hue Developer site to get the username/token
# https://developers.meethue.com/develop/get-started-2/
#
# Requires:
#   - Python >3.6
#
import argparse
import ssl
import urllib.request
import json

parser = argparse.ArgumentParser(description="Turn light on")
parser.add_argument("bridge", type=str, help="Hue Bridge IP")
parser.add_argument("token", type=str, help="Hue API Token")
parser.add_argument("-l", "--light", type=int, required=True, help="light id#")
parser.add_argument("-a", "--action", type=str, default='on', help="on|pff")
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()
	bridge = args.bridge
	token = args.token
	light = args.light
	action = args.action
	verbose = args.verbose
	debug = args.debug

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

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

def get_state(type, id):
	url = f"https://{bridge}/api/{token}/{type}/{id}"
	req = urllib.request.Request(url)
	with urllib.request.urlopen(req, context=no_cert_check) as response:
		content = response.read()
	json_data = json.loads(content)
	if debug: print (f"State for {type[:-1]} id {id}:\n{json_data['state']}")
	if debug: print (f"Type for {type[:-1]} id {id}: {json_data['config']['archetype']}")
	return (json_data['state'])

def put_state(type, id, action):
	if action == "on":
		data = b'{"on": true, "bri": 77, "hue": 8402, "sat": 254, "effect": "none", "xy": [0.4578, 0.41], "ct": 367, "alert": "none", "colormode": "xy"}'
	if action == "off":
		data = b'{"on":false}'

	url = f"https://{bridge}/api/{token}/{type}/{id}/state"
	req = urllib.request.Request(url=url, data=data, method='PUT')
	res = urllib.request.urlopen(req, context=no_cert_check)
	if debug: print (f"PUT response: {res.status} {res.reason}")
	if verbose or debug: print (f"{res.status} {res.reason}")
	return(res)

light_state = get_state("lights", light)

if action == 'on' and not light_state['on']:
	if verbose or debug: print ("Light ON!")
	put_state("lights", light, "on")
if action == 'off' and light_state['on']:
	if verbose or debug: print ("Light OFF!")
	put_state("lights", light, "off")