from os import environ


def getenv(env, default=None):
    envar = environ.get(env, default)
    if envar is None:
        raise ValueError('envvar %s is missing' % env)
    return envar


DEBUG = True if getenv('FLASK_DEBUG') == 'True' else False
SECRET_KEY = getenv('FLASK_SECRET_KEY')

MAIL_SERVER = getenv("FLASK_MAIL_SERVER")
MAIL_PORT = getenv("FLASK_MAIL_PORT")
MAIL_USE_SSL = getenv("FLASK_MAIL_USE_SSL")
MAIL_DEBUG = DEBUG
MAIL_USERNAME = getenv("FLASK_MAIL_USERNAME")
MAIL_PASSWORD = getenv("FLASK_MAIL_PASSWORD")

MAIL_RECIPIENT = getenv("FLASK_MAIL_RECIPIENT")