"""
Script di diagnostica TFTP client.
Effettua upload di un file di test e logga dettagliatamente la risposta del server.
"""
import io
import logging
from target_simulator.utils.tftp_client import TFTPClient, TFTPError

# Configurazione logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger("tftp_diag")

def tftp_diagnose(ip, port, remote_filename="MON:diag_test.txt"):
    logger.info(f"[DIAG] Step 1: Creazione TFTPClient per {ip}:{port}")
    client = TFTPClient(ip, port)
    test_content = "diagnostic test\n"
    in_memory_file = io.StringIO(test_content)
    logger.info(f"[DIAG] Step 2: Upload di file di test '{remote_filename}'")
    try:
        success = client.upload(remote_filename, in_memory_file, mode="netascii")
        if success:
            logger.info(f"[DIAG] Step 3: Upload riuscito su '{remote_filename}'")
            return True
        else:
            logger.error(f"[DIAG] Step 3: Upload fallito senza eccezione.")
            return False
    except TFTPError as e:
        logger.error(f"[DIAG] Step 3: TFTPError: {e}")
        return False
    except Exception as e:
        logger.error(f"[DIAG] Step 3: Eccezione generica: {e}")
        import traceback
        logger.error(traceback.format_exc())
        return False

if __name__ == "__main__":
    # Sostituisci con IP e porta del tuo server TFTP
    ip = "127.0.0.1"
    port = 50069
    tftp_diagnose(ip, port)