"""
Application Logger.

Creates application logger instance, that will send the logs to Loggly.

It is used only for the daemon, as microservice has flask_logger integrated.
"""

import uuid

from owslogger import logger

from availability import config


app_logger = logger.setup(
    environment=config.ENVIRONMENT,
    logger_name=config.DAEMON_NAME,
    logger_level=config.LOGGER_LEVEL,
    service_name=config.SERVICE_NAME,
    service_version=config.DAEMON_VERSION
)


def get_current_logger(correlation_id=None):
    """Get logger with a correlation_id attached.

    Args:
        correlation_id (str): correlation_id that will be sent along with
            a log record.

    Returns:
        logger.OwsLoggingAdapter: instance of OwsLoggingAdapter with
        correlation_id attached.
    """
    return logger.OwsLoggingAdapter(
        app_logger, {'correlation_id': correlation_id or uuid.uuid4()})