import csv
import json

from django import http
from django.contrib.auth.mixins import LoginRequiredMixin, UserPassesTestMixin
from django.core.serializers.json import DjangoJSONEncoder
from django.shortcuts import get_object_or_404, redirect
from django.urls import reverse, reverse_lazy
from django.utils import timezone
from django.views import generic
from django_weasyprint import WeasyTemplateResponseMixin
from icalendar import Calendar, Event, vCalAddress, vText

from la_chariotte.order.models import GroupedOrder
from la_chariotte.order.views.mixins import UserIsOrgaMixin

from ..forms import LieuForm
from ..models import Lieu


class IndexView(LoginRequiredMixin, generic.ListView):
    """View showing all the grouped orders managed by the authenticated user"""

    template_name = "lieu/index.html"
    context_object_name = "lieu_context"

    def get_queryset(self):
        lieux = Lieu.objects.filter(orga=self.request.user)
        commandes_par_lieu = dict()
        for lieu in lieux:
            orders = GroupedOrder.objects.all().filter(placekey=lieu)
            if orders:
                commandes_par_lieu[lieu.url] = orders

        return {
            "lieu_liste": lieux,
            "commandes": commandes_par_lieu,
        }


class LieuDetailView(generic.DetailView):
    model = Lieu
    template_name = "lieu/lieu_detail.html"
    context_object_name = "lieu_context"
    form_class = LieuForm

    def get_object(self, queryset=None):
        return get_object_or_404(Lieu, url=self.kwargs.get("url"))

    def get_context_data(self, **kwargs):
        lieu = self.get_object()

        context = super().get_context_data(**kwargs)
        return context


class LieuUpdateView(UserIsOrgaMixin, generic.UpdateView):
    model = Lieu
    template_name = "lieu/lieu_update.html"
    context_object_name = "lieu"
    form_class = LieuForm
    # Can't change URL after creation
    form_class.base_fields["url"].disabled = True

    def get_object(self, queryset=None):
        return get_object_or_404(Lieu, url=self.kwargs.get("url"))

    def get_form_kwargs(self):
        kwargs = super().get_form_kwargs()
        kwargs["user"] = self.request.user

        return kwargs


class LieuCreateView(LoginRequiredMixin, generic.CreateView):
    model = Lieu
    form_class = LieuForm
    template_name = "lieu/lieu_create.html"

    def get_form_kwargs(self):
        kwargs = super().get_form_kwargs()
        kwargs["user"] = self.request.user
        return kwargs

    def form_valid(self, form):
        self.object = form.save()
        return super().form_valid(form)