from django.contrib import messages
from django.contrib.auth.mixins import LoginRequiredMixin
from django.contrib.sitemaps import Sitemap
from django.shortcuts import redirect, render
from django.urls import reverse
from django.views.generic import UpdateView, TemplateView, View

from home.models import InterludesActivity
from home.forms import InscriptionForm
from site_settings.models import SiteSettings


class HomeView(TemplateView):
	"""Vue pour la page d'acceuil"""
	template_name = "home.html"


class ActivityView(TemplateView):
	"""Vue pour la liste des activités"""
	template_name = "activites.html"

	def get_context_data(self, **kwargs):
		"""ajoute la liste des activités au contexte"""
		context = super(ActivityView, self).get_context_data(**kwargs)
		context['activities'] = InterludesActivity.objects.filter(display=True).order_by("title")
		return context


class FAQView(TemplateView):
	"""Vue pour la FAQ"""
	template_name = "faq.html"


class RegisterClosed(TemplateView):
	"""Vue pour quand les inscriptions ne sont pas ouvertes"""
	template_name = "inscription/closed.html"

class RegisterSignIn(TemplateView):
	"""Vue affichée quand les inscriptions sont ouverte mais
	l'utilisateur n'est pas connecté"""
	template_name = "inscription/signin.html"

class RegisterUpdateView(LoginRequiredMixin, UpdateView):
	"""Vue pour s'inscrire et modifier son inscription"""
	template_name = "inscription/form.html"
	form_class = InscriptionForm

	def get_object(self):
		return self.request.user.profile

	def get_success_url(self):
		return reverse("accounts:profile")

	def form_valid(self, form):
		messages.success(self.request, "Votre inscription a été enregistrée")
		return super().form_valid(form)

class RegisterView(View):
	"""Vue pour l'inscription
	repartie sur les vue RegisterClosed, RegisterSignIn et RegisterUpdateView"""
	def dispatch(self, request, *args, **kwargs):
		settings = SiteSettings.load()
		if not settings.inscriptions_open:
			return RegisterClosed.as_view()(request)
		if not request.user.is_authenticated:
			return RegisterSignIn.as_view()(request)
		return RegisterUpdateView.as_view()(request)


class StaticViewSitemap(Sitemap):
	"""Vue générant la sitemap.xml du site"""
	changefreq = 'monthly'

	def items(self):
		"""list of pages to appear in sitemap"""
		return ["home", "inscription", "activites", "FAQ"]

	def location(self, item):
		"""real url of an item"""
		return reverse(item)

	def priority(self, obj):
		"""priority to appear in sitemap"""
		# Priorize home page over the rest in search results
		if obj == "home" or obj == "":
				return 0.8
		else:
			return None # defaults to 0.5 when unset