# -*- coding: utf-8 -*-

# (The MIT License)
#
# Copyright (c) 2013-2020 Kura
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the 'Software'), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

"""Configure logging."""


import logging

from logging.config import dictConfig


__all__ = ("configure_logs",)
"""Tuple all the things."""


DEBUG_FORMAT = (
    "[%(asctime)s] [%(levelname)s] blackhole.%(module)s: " "%(message)s"
)

LOG_CONFIG = {
    "formatters": {
        "console": {"format": "%(message)s"},
        "debug": {"format": DEBUG_FORMAT},
    },
    "handlers": {},
    "loggers": {"blackhole": {"handlers": [], "level": logging.INFO}},
    "version": 1,
}

DEBUG_HANDLER = {
    "class": "logging.StreamHandler",
    "formatter": "debug",
    "level": logging.DEBUG,
}

DEFAULT_HANDLER = {
    "class": "logging.StreamHandler",
    "formatter": "console",
    "level": logging.INFO,
}


def configure_logs(args):
    """
    Configure the logging module.

    :param argparse.Namespace args: Parameters parsed from :py:mod:`argparse`.
    """
    logger_handlers = LOG_CONFIG["loggers"]["blackhole"]["handlers"]
    if args.debug:
        LOG_CONFIG["loggers"]["blackhole"]["level"] = logging.DEBUG
        LOG_CONFIG["handlers"]["default_handler"] = DEBUG_HANDLER
        logger_handlers.append("default_handler")
    elif args.quiet:
        LOG_CONFIG["loggers"]["blackhole"]["level"] = logging.ERROR
        LOG_CONFIG["handlers"]["default_handler"] = DEFAULT_HANDLER
        LOG_CONFIG["handlers"]["default_handler"]["level"] = logging.ERROR
        logger_handlers.append("default_handler")
    else:
        LOG_CONFIG["loggers"]["blackhole"]["level"] = logging.INFO
        LOG_CONFIG["handlers"]["default_handler"] = DEFAULT_HANDLER
        logger_handlers.append("default_handler")
    dictConfig(LOG_CONFIG)
