#!/usr/bin/python3

import time
import random
from datetime import datetime

from paho.mqtt import client as mqtt_client


broker = '192.168.X.Y'
port = 1883
# Generate a Client ID with the subscribe prefix.
client_id = f'subscribe-{random.randint(0, 100)}'
username = 'mqttuser'
password = 'mqttpassword'

mqtt = {}


def connect_mqtt() -> mqtt_client:
    def on_connect(client, userdata, flags, rc):
        if rc == 0:
            print("Connected to MQTT Broker!")
        else:
            print("Failed to connect, return code %d\n", rc)

    client = mqtt_client.Client(client_id)
    client.username_pw_set(username, password)
    client.on_connect = on_connect
    client.connect(broker, port)
    return client


def subscribe(client: mqtt_client, topic):
    def on_message(client, userdata, msg):
        global mqttdict
        #print(f"Received `{msg.payload.decode()}` from `{msg.topic}` topic")
        mqtt[msg.topic] = msg.payload.decode()
        
    client.subscribe(topic)
    client.on_message = on_message


def run():
    client = connect_mqtt()
    subscribe(client, "#")
    
    client.loop_start()
    time.sleep(1)
    client.disconnect()
    #print(mqtt)
    print('ALL MQTT:')
    for topic, payload in mqtt.items():
        print(f"{topic} - {payload}")
        
if __name__ == '__main__':
    run()