import logging
import sys


def setup_logging():
    logger = logging.getLogger("sshd-bruteforce-detector")
    logger.setLevel(logging.INFO)

    if logger.handlers:
        return logger

    fmt = logging.Formatter("%(asctime)s [%(levelname)s] %(message)s")

    console = logging.StreamHandler(sys.stdout)
    console.setFormatter(fmt)

    file = logging.FileHandler("sshd-bruteforce-detector.log")
    file.setFormatter(fmt)

    logger.addHandler(console)
    logger.addHandler(file)

    return logger