# -*- coding: utf-8 -*-
# pymode:lint_ignore=E501
"""
Common settings and globals.

"""

from os import environ


def get_env_variable(setting):
    """
    Get the environment setting or return exception.

    :param str setting: name of an environment setting
    :raises ImproperlyConfigured: if the environment setting is not defined
    :return: environment setting value
    :rtype: str
    """
    try:
        return environ[setting]
    except KeyError:
        error_msg = "Set the %s env variable" % setting
        raise AssertionError(error_msg)


########## CELERY CONFIGURATION
CELERY_TIMEZONE = 'Europe/Berlin'
CELERY_ENABLE_UTC = True
CELERY_RESULT_BACKEND = get_env_variable('GVAFILE_RESULTS_REDIS_URL')
CELERY_RESULT_PERSISTENT = True
CELERY_TASK_RESULT_EXPIRES = None
CELERY_ROUTES = (
    'gvacommon.celeryrouters.GvaRouter',
)
CELERY_ACCEPT_CONTENT = ['json']
CELERY_TASK_SERIALIZER = 'json'
CELERY_RESULT_SERIALIZER = 'json'
BROKER_URL = get_env_variable('GVAFILE_BROKER_URL')
########## END CELERY CONFIGURATION

########## GVAFILE CONFIGURATION
GVAFILE_SFTP_DIRECTORY = get_env_variable('GVAFILE_SFTP_DIRECTORY')
GVAFILE_MAIL_DIRECTORY = get_env_variable('GVAFILE_MAIL_DIRECTORY')
GVAFILE_SFTP_AUTHKEYS_DIRECTORY = get_env_variable(
    'GVAFILE_SFTP_AUTHKEYS_DIRECTORY')
########## END GVAFILE CONFIGURATION