from django.urls import reverse
from django.utils.translation import gettext as _

from .models import UserPreference


def overview_navigation(request):
    if not request.user.is_authenticated:
        return {'nav_overview_labels': [_('Notes'), _('Tasks'), _('Links')], 'nav_hidden_links': []}
    prefs, _created = UserPreference.objects.get_or_create(user=request.user)
    overview = []
    hidden = []
    task_shown = prefs.show_open_todos or prefs.show_done_todos
    items = [
        (task_shown, _('Tasks'), f"{reverse('index')}?kind=todo"),
        (prefs.show_notes, _('Notes'), f"{reverse('index')}?kind=note"),
        (prefs.show_links, _('Links'), f"{reverse('index')}?kind=link"),
    ]
    for shown, label, url in items:
        if shown:
            overview.append(label)
        else:
            hidden.append({'label': label, 'url': url})
    return {'nav_overview_labels': overview or [_('Overview')], 'nav_hidden_links': hidden}