#!/usr/bin/env python3
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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#         http://www.apache.org/licenses/LICENSE-2.0
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# Learn more at: https://juju.is/docs/sdk

"""Define logging helpers."""

import functools


def log_event_handler(logger):
    """Log with the provided logger when a event handler method is executed."""

    def decorator(method):
        @functools.wraps(method)
        def decorated(self, event):
            logger.info(f"* running {self.__class__.__name__}.{method.__name__}")
            try:
                return method(self, event)
            finally:
                logger.info(f"* completed {self.__class__.__name__}.{method.__name__}")

        return decorated

    return decorator
