from django.dispatch import receiver
from django.urls import resolve, reverse
from django.utils.translation import ugettext_lazy as _
from pretalx.orga.signals import nav_event_settings


@receiver(nav_event_settings)
def navbar_info(sender, request, **kwargs):
    url = resolve(request.path_info)
    if not request.user.has_perm('orga.change_settings', request.event):
        return []
    return [{
        'label': _('lower thirds'),
        'url': reverse('plugins:pretalx_lower_thirds:orga', kwargs={
            'event': request.event.slug,
        }),
        'active': url.namespace == 'plugins:pretalx_lower_thirds' and url.url_name == 'orga',
    }]