from django.views import View
from django.views.generic.edit import CreateView

from django.contrib.messages.views import SuccessMessageMixin
from django.contrib import messages
from django.urls import reverse_lazy
from django.shortcuts import render, redirect

from lostplaces_app.forms import ExplorerCreationForm
from lostplaces_app.models import Place, PhotoAlbum
from lostplaces_app.views import IsAuthenticated

from lostplaces_app.views.base_views import (
    PlaceAssetCreateView, 
    PlaceAssetDeleteView
)
class SignUpView(SuccessMessageMixin, CreateView):
    form_class = ExplorerCreationForm
    success_url = reverse_lazy('login')
    template_name = 'signup.html'
    success_message = 'User created.'

class HomeView(IsAuthenticated, View):
    def get(self, request, *args, **kwargs):
        place_list = Place.objects.all().order_by('-submitted_when')[:10]
        place_map_center = Place.average_latlon(place_list)
        context = {
            'place_list': place_list,
            'place_map_center': place_map_center
        }
        return render(request, 'home.html', context)

    def handle_no_permission(self):
        place_list = Place.objects.all().order_by('-submitted_when')[:10]
        context = {
            'place_list': place_list
        }
        return render(self.request, 'home_unauth.html', context)

class PhotoAlbumCreateView(PlaceAssetCreateView):
    model = PhotoAlbum
    fields = ['url', 'label']
    template_name = 'photo_album/photo_album_create.html'
    success_message = 'Photo Album submitted'

class PhotoAlbumDeleteView(PlaceAssetDeleteView):
    model = PhotoAlbum
    pk_url_kwarg = 'pk'
    success_message = 'Photo Album deleted'
    permission_denied_messsage = 'You do not have permissions to alter this photo album'