"""Logger util."""
from logging import INFO
import uuid

from lambdacommon import util
from owslogger import logger


def get_current_logger(
        environment,
        lambda_name,
        logging_level=INFO,
        correlation_id=None):
    """Get logger with a correlation_id attached.

    Args:
        environment: environment on which this is run
        lambda_name: name of the calling lambda, usually from config.py
        logging_level: desired logging_level
        correlation_id: correlation_id that will be sent along with log record
    Returns:
        logger.OwsLoggingAdapter: instance of OwsLoggingAdapter with
        correlation_id attached.
    """
    app_logger = util.setup_ows_logger(
        environment=environment,
        logger_name=lambda_name,
        logger_level=logging_level,
        service_name=lambda_name,
        service_version='1.0.0'
    )

    return logger.OwsLoggingAdapter(
        app_logger, {'correlation_id': correlation_id or uuid.uuid4()})