import os
import logging


def init_logger():
    '''
    Functions initiates a logger instance.
    '''
    if not os.path.isfile('logs/nopaqued.log'):
        file_path = os.path.join(os.getcwd(), 'logs/nopaqued.log')
        log = open(file_path, 'w+')
        log.close()
    logging.basicConfig(datefmt='%Y-%m-%d %H:%M:%S',
                        filemode='w', filename='logs/nopaqued.log',
                        format='%(asctime)s - %(levelname)s - %(name)s - '
                                '%(filename)s - %(lineno)d - %(message)s')
    logger = logging.getLogger(__name__)
    if os.environ.get('FLASK_CONFIG') == 'development':
        logger.setLevel(logging.DEBUG)
    if os.environ.get('FLASK_CONFIG') == 'production':
        logger.setLevel(logging.WARNING)
    return logger


if __name__ == '__main__':
    init_logger()