# python 3.11

import random
import time

from paho.mqtt import client as mqtt_client
from paho.mqtt.client import CallbackAPIVersion


broker = 'mqtt.meezenest.nl'
port = 1883
topic = "python/mqtt"
# Generate a Client ID with the publish prefix.
client_id = f'publish-{random.randint(0, 1000)}'
# username = 'emqx'
# password = 'public'

msg_count = 1

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

    def on_disconnect(client, userdata, rc):
        print("Disconnected with result code: %s", rc)
        reconnect_count, reconnect_delay = 0, FIRST_RECONNECT_DELAY
        while reconnect_count < MAX_RECONNECT_COUNT:
            print("Reconnecting in %d seconds...", reconnect_delay)
            time.sleep(reconnect_delay)

            try:
                client.reconnect()
                print("Reconnected successfully!")
                return
            except Exception as err:
                logging.error("%s. Reconnect failed. Retrying...", err)

            reconnect_delay *= RECONNECT_RATE
            reconnect_delay = min(reconnect_delay, MAX_RECONNECT_DELAY)
            reconnect_count += 1
        print("Reconnect failed after %s attempts. Exiting...", reconnect_count)
        global FLAG_EXIT
        FLAG_EXIT = True

    client = mqtt_client.Client(CallbackAPIVersion.VERSION2, client_id)
    # client.username_pw_set(username, password)
    client.on_connect = on_connect
    client.on_disconnect = on_disconnect
    client.connect(broker, port, 120)
    return client


def publish(client):
    global msg_count
    #while True:
    time.sleep(1)
    msg = f"messages: {msg_count}"
    result = client.publish(topic, msg)
    # result: [0, 1]
    status = result[0]
    if status == 0:
        print(f"Send `{msg}` to topic `{topic}`")
    else:
        print(f"Failed to send message to topic {topic}")
    msg_count += 1
    if msg_count > 5:
        #break
        msg_count=1


def run():
    client = connect_mqtt()
    client.loop_start()
    while 1:
        if client.is_connected():
            print(client.is_connected())
            publish(client)

    #else:
        #client.loop_stop()

    client.loop_stop()


if __name__ == '__main__':
    run()