# essai transmission
import mysql.connector
from datetime import datetime, timedelta
import ovh
import os
from dotenv import load_dotenv
import logging

# Charger le .env
load_dotenv()

DB_CONFIG = {
    'host': os.getenv('DB_HOST'),
    'user': os.getenv('DB_USER'),
    'password': os.getenv('DB_PASSWORD'),
    'database': os.getenv('DB_NAME')
}
# Configurer le logger
logging.basicConfig(
    filename='/var/log/watchdog_sondes.log',
    level=logging.INFO,
    format='%(asctime)s — %(levelname)s — %(message)s'
)
# SMS OVH
OVH_CLIENT = ovh.Client(
    endpoint=os.getenv('OVH_ENDPOINT'),
    application_key=os.getenv('OVH_APP_KEY'),
    application_secret=os.getenv('OVH_APP_SECRET'),
    consumer_key=os.getenv('OVH_CONSUMER_KEY')
)

OVH_SMS_ACCOUNT = os.getenv('OVH_SMS_ACCOUNT')
OVH_SMS_SENDER = os.getenv('OVH_SMS_SENDER')
ENVOI_SMS = os.getenv('ENVOI_SMS', '0') == '1'

DESTINATAIRE = os.getenv('PHONE_ADMIN')
SEUIL_MINUTES = 10

def verifier_table(cnx, table):
    cursor = cnx.cursor()
    query = f"SELECT MAX(Date) FROM {table};"
    cursor.execute(query)
    result = cursor.fetchone()[0]
    cursor.close()
    return result

def envoyer_sms(message):
    if not ENVOI_SMS:
        logging.debug(f"[DEBUG] ENVOI_SMS=0, pas d'envoi. Message :\n{message}")
        return
    try:
        result = OVH_CLIENT.post(
            f'/sms/{OVH_SMS_ACCOUNT}/jobs',
            sender=OVH_SMS_SENDER,
            message=message,
            noStopClause=True,
            receivers=[DESTINATAIRE]
        )
        logging.info(f"SMS envoyé avec job ID : {result['ids']}")
    except Exception as e:
        logging.error(f"Erreur lors de l’envoi du SMS : {e}")

def main():
    now = datetime.now()
    cnx = mysql.connector.connect(**DB_CONFIG)

    problemes = []
    for table in ['Saclay', 'Meudon']:
        last_date = verifier_table(cnx, table)
        if last_date is None:
            problemes.append(f"{table} : aucune donnée jamais reçue.")
            continue

        delta = now - last_date
        if delta > timedelta(minutes=SEUIL_MINUTES):
            minutes = int(delta.total_seconds() / 60)
            problemes.append(
                f"{table} : aucune donnée depuis {minutes} min (dernière à {last_date.strftime('%H:%M:%S')})"
            )
        else:
            logging.info(f"{table} OK — dernière donnée il y a {int(delta.total_seconds()/60)} min.")

    cnx.close()

    if problemes:
        message = "[ALERTE] Données manquantes :\n" + "\n".join(problemes)
        envoyer_sms(message)
    else:
        logging.info("Tout est OK, aucune alerte.")

if __name__ == "__main__":
    main()