from pyramid.authentication import AuthTktAuthenticationPolicy
from pyramid.authorization import ACLAuthorizationPolicy
from pyramid.config import Configurator
from pyramid_mailer import mailer_factory_from_settings
from pyramid.session import SignedCookieSessionFactory
from .security import groupfinder

from .security import groupfinder


def main(global_config, **settings):
    """ This function returns a Pyramid WSGI application.
    """
    # declarations
    session_factory = SignedCookieSessionFactory('df53ktTE1G')
    authn_policy = AuthTktAuthenticationPolicy('5D9Phu1xyP', callback=groupfinder, hashalg='sha512')
    authz_policy = ACLAuthorizationPolicy()
    mailer_factory_from_settings(settings)

    config = Configurator(settings=settings,
            root_factory='caotek_mesavoirs.models.RootFactory')

    config.include('.models')
    config.include('.routes')

    # configurations
    config.set_session_factory(session_factory)
    config.set_authentication_policy(authn_policy)
    config.set_authorization_policy(authz_policy)

    config.scan()
    return config.make_wsgi_app()