'''
HTTP API to trigger unlock through MQTT
'''

import time
import configparser
from bottle import Bottle, get, request, run
import paho.mqtt.client as mqtt

config = configparser.ConfigParser()

try:
    config.read_file(open('../doorcontrol.ini'))
except FileNotFoundError:
    print("Can't find config file. \n\n")
    raise
    

try:    
    mqttc = mqtt.Client(client_id="", clean_session=True, userdata=None, transport="tcp")
    mqttc.username_pw_set(config['mqtt']['User'], password=config['mqtt']['Password'])
    
    mqttc.connect(config['mqtt']['Server'], int(config['mqtt']['Port']))
except:
    print("Error connecting to mqtt broker, check configuration.\n\n")
    raise

mqttc.loop_start()

app = application = Bottle()

@app.route('/unlock')
def unlock():
    deviceID = request.query.get('deviceID')
    apiKey = request.query.get('apiKey')
    delay = request.query.get('delay')

    if apiKey == config['api']['key']:
        try:
            if int(delay) > 0:
                time.sleep(int(delay))
        except:
            pass
        result = mqttc.publish("devices/main-door/unlock/unlock/set", "true")
        result.wait_for_publish()
        return '{"message": "Unlocked"}'
    return '{"message": "Unauthorized!"}'

if __name__ == '__main__':
        run(
            app=app,
            host='localhost',
            port=8000)