# This file is part of photo21
# Copyright (C) 2021-2022  Amicale des élèves de l'ENS Paris-Saclay
# SPDX-License-Identifier: GPL-3.0-or-later

import os

from django.conf import settings
from django.contrib.auth import get_user_model
from django.contrib.auth.mixins import LoginRequiredMixin
from django.http import FileResponse, Http404
from django.views.generic import ListView, View
from photologue.models import Gallery


class MediaAccess(View):
    def get(self, request, path):
        if not request.user.is_authenticated and not request.session.get('public_gallery_access'):
            from django.contrib.auth.views import redirect_to_login
            return redirect_to_login(request.get_full_path())
        media_root = os.path.realpath(settings.MEDIA_ROOT)
        file_path = os.path.realpath(os.path.join(media_root, path))
        if not file_path.startswith(media_root + os.sep):
            raise Http404
        if not os.path.isfile(file_path):
            raise Http404
        response = FileResponse(open(file_path, 'rb'))
        response['Cache-Control'] = 'max-age=2678400'
        return response


class IndexView(LoginRequiredMixin, ListView):
    queryset = Gallery.objects.all()
    paginate_by = 4
    template_name = "index.html"

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

        # Get superusers
        user_model = get_user_model()
        superusers = user_model.objects.filter(is_superuser=True)
        context["superusers"] = superusers

        return context