# -*- coding: utf-8 -*-

# vim:set expandtab tabstop=4 shiftwidth=4: 

"""

Controller for authentification

"""

import logging

from tg import expose, flash, request, redirect

from pylons.i18n import ugettext as _

from vigilo.turbogears.controllers import BaseController

from vigilo.turbogears.controllers.error import ErrorController

LOGGER = logging.getLogger(__name__)

# pylint: disable-msg=R0201

class VigiboardRootController(BaseController):

    """

    The root controller for the vigiboard application.

    All the other controllers and WSGI applications should be mounted on this

    controller. For example::

        panel = ControlPanelController()

        another_app = AnotherWSGIApplication()

    Keep in mind that WSGI applications shouldn't be mounted directly: They

    must be wrapped around with :class:`tg.controllers.WSGIAppController`.

    """

    error = ErrorController()

    @expose('login.html')

    def login(self, came_from='/'):

        """Start the user login."""

        login_counter = request.environ['repoze.who.logins']

        if login_counter > 0:

            flash(_('Wrong credentials'), 'warning')

        return dict(page='login', login_counter=str(login_counter),

                    came_from=came_from)

    @expose()

    def post_login(self, came_from='/'):

        """

        Redirect the user to the initially requested page on successful

        authentication or redirect her back to the login page if login failed.

        """

        if not request.identity:

            login_counter = request.environ['repoze.who.logins'] + 1

            redirect('/login', came_from=came_from, __logins=login_counter)

        userid = request.identity['repoze.who.userid']

        LOGGER.info(_('"%(username)s" logged in (from %(IP)s)') % {

                'username': userid,

                'IP': request.remote_addr,

            })

        flash(_('Welcome back, %s!') % userid)

        redirect(came_from)

    @expose()

    def post_logout(self, came_from='/'):

        """

        Redirect the user to the initially requested page on logout and say

        goodbye as well.

        """

        LOGGER.info(_('Some user logged out (from %(IP)s)') % {

                'IP': request.remote_addr,

            })

        flash(_('We hope to see you soon!'))

        redirect(came_from)