#!/usr/bin/env python3
import paho.mqtt.client as mqtt
import time
import ssl

version = '5' # or '3'
mytransport = 'tcp' # or 'websockets'

if version == '5':
    mqttc = mqtt.Client(mqtt.CallbackAPIVersion.VERSION2,
                         client_id="myPy",
                         transport=mytransport,
                         protocol=mqtt.MQTTv5)
if version == '3':
    mqttc = mqtt.Client(mqtt.CallbackAPIVersion.VERSION2,
                         client_id="myPy",
                         transport=mytransport,
                         protocol=mqtt.MQTTv311,
                         clean_session=True)

mqttc.username_pw_set("alex", "BatManu#171017")

'''client.tls_set(certfile=None,
               keyfile=None,
               cert_reqs=ssl.CERT_REQUIRED)'''

def on_message(client, obj, message, properties=None):
    print(" Received message " + str(message.payload)
        + " on topic '" + message.topic
        + "' with QoS " + str(message.qos))
'''
def on_connect(client, obj, flags, reason_code, properties):
    print("reason_code: " + str(reason_code))

def on_publish(client, obj, mid, reason_code, properties):
    print("mid: " + str(mid))

def on_log(client, obj, level, string):
    print(string)
'''

mqttc.on_message = on_message;
'''
client.on_connect = mycallbacks.on_connect;
client.on_publish = mycallbacks.on_publish;
client.on_subscribe = mycallbacks.on_subscribe;
'''

broker = 'mqtt'
myport = 1883
if version == '5':
    from paho.mqtt.properties import Properties
    from paho.mqtt.packettypes import PacketTypes
    properties=Properties(PacketTypes.CONNECT)
    properties.SessionExpiryInterval=30*60 # in seconds
    mqttc.connect(broker,
                   port=myport,
                   clean_start=mqtt.MQTT_CLEAN_START_FIRST_ONLY,
                   properties=properties,
                   keepalive=60);

elif version == '3':
    mqttc.connect(broker,port=myport,keepalive=60);

mqttc.loop_start();