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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
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#   http://www.apache.org/licenses/LICENSE-2.0
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import logging
import os
from logging.handlers import RotatingFileHandler

from liminal.core import environment

LOGS_DIR = 'logs'
LOG_FILENAME = 'liminal.log'
MAX_FILE_SIZE = 10485760  # 10 MB


def logging_initialization():
    root_logger = logging.getLogger()

    log_formatter = logging.Formatter(
        '[%(asctime)s] [%(filename)s:%(lineno)d] %(levelname)s - %(message)s',
        '%m-%d %H:%M:%S'
    )

    logs_dir = os.path.join(environment.get_liminal_home(), LOGS_DIR)
    os.makedirs(logs_dir, exist_ok=True)

    file_handler = RotatingFileHandler(
        os.path.join(logs_dir, LOG_FILENAME),
        maxBytes=MAX_FILE_SIZE,
        backupCount=3
    )

    root_logger.addHandler(file_handler)
    root_logger.setLevel(logging.INFO)

    [h.setFormatter(log_formatter) for h in root_logger.handlers]

    logging.info('Logging initialization completed')