import mysql.connector
from dotenv import load_dotenv
import os

load_dotenv()

def connect_to_mysql():
    return mysql.connector.connect(
        host=os.getenv("DB_HOST"),
        user=os.getenv("DB_USER"),
        password=os.getenv("DB_PASSWORD"),
        database=os.getenv("DB_NAME")
    )

def get_latest_chaufferie():
    conn = connect_to_mysql()
    cursor = conn.cursor(dictionary=True)
    query = """
        SELECT Sonde, Temperature, Date, Topic
        FROM Chaufferie
        WHERE Date >= NOW() - INTERVAL 5 MINUTE
        ORDER BY Date DESC
    """
    cursor.execute(query)
    result = cursor.fetchall()
    cursor.close()
    conn.close()
    return result

def get_history_by_sonde(sonde):
    conn = connect_to_mysql()
    cursor = conn.cursor(dictionary=True)
    query = """
        SELECT Sonde, Temperature, Date
        FROM Chaufferie
        WHERE Sonde = %s
          AND Date >= NOW() - INTERVAL 1 DAY
        ORDER BY Date ASC
    """
    cursor.execute(query, (sonde,))
    result = cursor.fetchall()
    cursor.close()
    conn.close()
    return result

def lire_alertes_sondes():
    conn = connect_to_mysql()
    cursor = conn.cursor(dictionary=True)
    query = """
        SELECT Id, Sonde, Debut_defaut, Etat
        FROM Alertes_Chaufferie
        WHERE Etat != 'Acquitté'
        ORDER BY Debut_defaut DESC
    """
    cursor.execute(query)
    result = cursor.fetchall()
    cursor.close()
    conn.close()
    return result

def acquitter_alerte(id_alerte):
    conn = connect_to_mysql()
    cursor = conn.cursor()
    query = "UPDATE Alertes_Chaufferie SET Etat = 'Acquitté' WHERE Id = %s"
    cursor.execute(query, (id_alerte,))
    conn.commit()
    cursor.close()
    conn.close()