"""
log.py
------

Initialise the logger for other submodules to import. Do not
import any submodules here except for naxallnet.config
"""
import logging
from systemd.journal import JournalHandler
from naxalnet.config import args


def get_logger():
    """
    Initialise the logger and return it.
    This function is meant to be used only by naxalnet.log.
    If you want to import the logger, use:
    from naxalnet.log import logger
    """
    log = logging.getLogger("naxalnet")
    # --verbose
    if args.verbose >= 2:
        loglevel = logging.DEBUG
    elif args.verbose == 1:
        loglevel = logging.INFO
    else:
        loglevel = logging.WARNING

    # if --systemd is given, log to systemd journal
    if args.systemd:
        logging.basicConfig(level=logging.DEBUG)
        log.addHandler(JournalHandler())
    else:
        logging.basicConfig(level=loglevel)
    return log


logger = get_logger()