#!/config/.venv/bin/python3
"""
torrent_mqtt.py

Veröffentlicht die übergebenen Kommandozeilenargumente als MQTT-Nachricht.

Verwendung:
    torrent_mqtt.py "Download abgeschlossen: Film XYZ"

Topic:
    serverhost_torrent_sensor/topic

Exit Codes:
    0 = Erfolgreich
    1 = Keine Nachricht übergeben
    2 = MQTT-Fehler
"""

import sys
import paho.mqtt.client as mqtt

MQTT_BROKER_HOST = "192.168.0.122"
MQTT_BROKER_PORT = 1883
MQTT_USERNAME = "MQTTBrokerUser"
MQTT_PASSWORD = "mqtt1510##"
MQTT_TOPIC = "serverhost_torrent_sensor/topic"


def main():
    message = " ".join(sys.argv[1:]).strip()

    if not message:
        print("No message supplied.")
        sys.exit(1)

    client = mqtt.Client(mqtt.CallbackAPIVersion.VERSION2)
    client.username_pw_set(MQTT_USERNAME, MQTT_PASSWORD)

    try:
        client.connect(MQTT_BROKER_HOST, MQTT_BROKER_PORT, 60)

        info = client.publish(MQTT_TOPIC, message)
        info.wait_for_publish()

        print(f"Published to '{MQTT_TOPIC}': {message}")

        client.disconnect()
        sys.exit(0)

    except Exception as e:
        print(f"MQTT error: {e}")
        sys.exit(2)


if __name__ == "__main__":
    main()