"""
Sentry Client
=============
Provides sentry_client attribute for ad hoc capturing of messages and errors.
https://docs.getsentry.com/hosted/clients/python/usage/
"""

import sentry_sdk

from ytownership import config


def before_send_exception_to_sentry(event, hint):
    """Filter exceptions sent to sentry.

    :param event: Sentry event containing exception context.
    :param hint: Sentry hint containing raised exception.

    :return: event or None

    """
    if 'exc_info' not in hint:
        return event

    # Ignore 404 and 500 errors from YT API
    matches = ['HttpError 404', 'HttpError 500']

    _ignore_0, exc_value, _ignore_1 = hint['exc_info']
    if any(x in exc_value for x in matches):
        return None

    return event


sentry_client = None
if config.SENTRY_DSN:
    sentry_client = sentry_sdk.init(
        config.SENTRY_DSN, before_send=before_send_exception_to_sentry)