""" Main Controller to run the application with some privileges.

"""
from gluon import current
from auth import ADMIN, USER


@auth.requires(True, requires_login=not request.is_local)
def index():

    # login procedure is active
    if session.auth:
        roles = session.auth.user_groups.values()

        if roles:
            session.role = roles[0]

            # inhibit USER login from the application properties
            if session.role == USER:
                if not current.app.authorize_user_login:
                    session.role = None

        else:
            return 'The user role is not defined'

    # no login procedure
    else:
        session.role = ADMIN

    url = URL('plugin_dbui', 'index', args=request.args, vars=request.vars)
    return redirect(url)