import logging
import os

def setup_logger(name="train_log", log_file="logs/training.log"):
    os.makedirs(os.path.dirname(log_file), exist_ok=True)
    logger = logging.getLogger(name)
    logger.setLevel(logging.INFO)
    fh = logging.FileHandler(log_file)
    formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')
    fh.setFormatter(formatter)
    logger.addHandler(fh)
    return logger

if __name__ == "__main__":
    log = setup_logger()
    log.info("Logger initialized.")