#
# Copyright 2017
# - Sli <antoine@bartuccio.fr>
#
# Ce fichier fait partie du site de l'Association des Étudiants de l'UTBM,
# http://ae.utbm.fr.
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License a published by the Free Software
# Foundation; either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
# Place - Suite 330, Boston, MA 02111-1307, USA.
#
#

from django.db.models import F
from django.views.generic import ListView
from django.views.generic.edit import FormMixin

from core.auth.mixins import FormerSubscriberMixin
from core.models import User, UserQuerySet
from core.schemas import UserFilterSchema
from core.views.mixins import AllowFragment
from matmat.forms import SearchForm


class MatmatronchView(AllowFragment, FormerSubscriberMixin, FormMixin, ListView):
    model = User
    paginate_by = 20
    template_name = "matmat/search_form.jinja"
    form_class = SearchForm

    def get(self, request, *args, **kwargs):
        self.form = self.get_form()
        return super().get(request, *args, **kwargs)

    def get_initial(self):
        return self.request.GET

    def get_form_kwargs(self):
        res = super().get_form_kwargs()
        if self.request.GET:
            res["data"] = self.request.GET
        return res

    def get_queryset(self) -> UserQuerySet:
        if not self.form.is_valid():
            return User.objects.none()
        data = self.form.cleaned_data
        data["search"] = data.get("name")
        filters = UserFilterSchema(**{key: val for key, val in data.items() if val})
        qs = User.objects.viewable_by(self.request.user).select_related("profile_pict")
        return filters.filter(qs).order_by(F("last_login").desc(nulls_last=True))

    def get_context_data(self, **kwargs):
        return super().get_context_data(form=self.form, **kwargs)