#!/usr/bin/env python3

import mysql.connector
import os
import sys
import logging
import importlib

from utils.time import timestamp_fmt as ts
from utils.config import loader as setting
#from unit_tool_mod import g801_mums, g801_mux

def conn_db(cfg):
    """Establishes a connection to the MySQL database.

    Args:
        cfg: The configuration object containing database connection details.

    Returns:
        A MySQL database connection object.
    """
    try:
        conn = mysql.connector.connect(user=cfg.dbuser, password=cfg.dbpass, host=cfg.dbhost, port=cfg.dbport)
        conn.autocommit = True
        return conn
    except mysql.connector.Error as e:
        print(f"Error: {e}")
        logging.error(f'{e}')
    return None

def elab_csv(cfg):
    try:
        with conn_db(cfg) as conn:
            cur = conn.cursor()
            cur.execute(f'select id, unit_name, unit_type, tool_name, tool_type, tool_data from {cfg.dbname}.{cfg.dbrectable} where locked = 0 and status = 0 limit 1')
            id, unit_name, unit_type, tool_name, tool_type, tool_data = cur.fetchone()
            cur.execute(f'update {cfg.dbname}.{cfg.dbrectable} set locked = 1 where id = {id}')
    except mysql.connector.Error as e:
        print(f"Error: {e}")
        logging.error(f'{e}')

    module_name = f'unit_tool_mod.{unit_type.lower()}_{tool_type.lower()}'
    modulo = importlib.import_module(module_name)

    funzione = getattr(modulo, "chi_sono")

    # Chiamare la funzione
    risultato = funzione(unit_name, tool_name)
    print(f'risultato: {risultato}')


def main():
    # Load the configuration settings
    cfg = setting.config()

    try:
        # Configura la connessione al database PostgreSQL
        # Configure logging
        logging.basicConfig(
            format="%(asctime)s %(message)s",
            filename=cfg.elablog,
            level=logging.INFO,
        )
        elab_csv(cfg)

    except KeyboardInterrupt:
        logging.info(
            "Info: {}.".format("Shutdown requested...exiting")
        )

    except Exception:
        print(
            "{} - PID {:>5} >> Error: {}.".format(
                ts.timestamp("log"), os.getpid(), sys.exc_info()[1]
            )
        )

if __name__ == "__main__":
    main()