import sys, os, json

sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

from kafka import KafkaConsumer
from shared.events import BOOTSTRAP_SERVERS, TOPIC_ORDERS, TOPIC_PAYMENTS, TOPIC_NOTIFICATIONS

def run():
    consumer = KafkaConsumer(
        TOPIC_PAYMENTS,
        TOPIC_ORDERS,
        bootstrap_servers=BOOTSTRAP_SERVERS,
        group_id="notif_service",
        auto_offset_reset="latest",
        value_deserializer=lambda v: json.loads(v.decode("utf-8"))
    )

    print("[NOTIFICATION SERVICE] Service de notification démarré, en attente d'évènements...")

    for message in consumer:
        event = message.value
        event_type = event["type"]
        payload = event["payload"]
        order_id = payload["order_id"]

        if event_type == "payment.confirmed":
            print(f"[NOTIFICATION SERVICE] 🎉 Paiement confirmé pour la commande {order_id} "
                  f"(client {payload['customer_id']}, montant {payload['amount']}€)")

        elif event_type == "payment.failed":
            print(f"[NOTIFICATION SERVICE] ❌ Paiement échoué pour la commande {order_id} "
                  f"(client {payload['customer_id']}, montant {payload['amount']}€)")

        elif event_type == "order.preparation_started":
            print(f"[NOTIFICATION SERVICE] 🍳 Préparation commencée pour la commande {order_id} "
                  f"(restaurant {payload['restaurant_id']})")

if __name__ == "__main__":
    run()