import psycopg2

def execute_sql_file(file_path, connection):
    with open(file_path, 'r') as file:
        sql = file.read()
    with connection.cursor() as cursor:
        cursor.execute(sql)
        connection.commit()

def main():
    # Configurazione del database
    db_config = {
        "dbname": "postgres",
        "user": "postgres",
        "password": "example",
        "host": "localhost",
        "port": 5432
    }

    try:
        # Connessione al database
        connection = psycopg2.connect(**db_config)
        print("Connessione al database riuscita.")
        # Drop del database se esiste
        connection.autocommit = True
        with connection.cursor() as cursor:
            cursor.execute("DROP DATABASE IF EXISTS simple_mensa")
            cursor.execute("CREATE DATABASE simple_mensa")
        connection.close()
        
        # Riconnessione al nuovo database
        db_config["dbname"] = "simple_mensa"
        connection = psycopg2.connect(**db_config)
        print("Database ricreato e riconnessione effettuata.")
        # Esecuzione dello script SQL
        execute_sql_file('schema.sql', connection)
        print("Script SQL eseguito con successo.")

    except Exception as e:
        print(f"Errore durante la configurazione del database: {e}")
    finally:
        if connection:
            connection.close()
            print("Connessione al database chiusa.")

if __name__ == "__main__":
    main()