import paho.mqtt.client as mqtt
import sys

# ===== KONFIGURATION =====
# BROKER = "141.75.215.233"
PORT = 1883

TOPIC = "PREDICTION"
MESSAGE = "sad gummy bitches"

USERNAME = None
PASSWORD = None
QOS = 0
# ==========================

import socket

def get_local_ip():
    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    try:
        s.connect(("8.8.8.8", 80))
        ip = s.getsockname()[0]
    finally:
        s.close()
    return ip



def on_connect(client, userdata, flags, rc):
    if rc == 0:
        print("✅ Erfolgreich mit Broker verbunden")

        # Subscribe
        client.subscribe(TOPIC, qos=QOS)
        print(f"📡 Abonniert Topic: '{TOPIC}'")

        # Publish
        client.publish(TOPIC, MESSAGE, qos=QOS)
        print(f"📤 Nachricht gesendet an Topic '{TOPIC}': {MESSAGE}")

    else:
        print(f"❌ Verbindung fehlgeschlagen mit Code {rc}")


def on_message(client, userdata, msg):
    try:
        payload = msg.payload.decode()
    except:
        payload = msg.payload

    print("📥 Nachricht empfangen:")
    print(f"   Topic: {msg.topic}")
    print(f"   QoS: {msg.qos}")
    print(f"   Payload: {payload}")
    print("-" * 40)


def on_disconnect(client, userdata, rc):
    print("⚠ Verbindung getrennt")


def main():
    client = mqtt.Client()
    BROKER = get_local_ip()
    if USERNAME and PASSWORD:
        client.username_pw_set(USERNAME, PASSWORD)

    client.on_connect = on_connect
    client.on_message = on_message
    client.on_disconnect = on_disconnect

    try:
        client.connect(BROKER, PORT, 60)
        client.loop_forever()
    except Exception as e:
        print("Fehler:", e)
        sys.exit(1)


if __name__ == "__main__":
    main()