from django.shortcuts import redirect, get_object_or_404
from django.urls import reverse_lazy
from django.contrib.auth.decorators import login_required
from django.contrib.auth.mixins import LoginRequiredMixin
from django.views.generic import CreateView, DeleteView, ListView
from django.utils.decorators import method_decorator
from django.http import HttpResponseRedirect

from propositions.models import Prop
from propositions.models import Reponses


class PropositionCreate(LoginRequiredMixin, CreateView):
    template_name = "propositions/create.html"
    success_url = reverse_lazy("propositions:list")
    model = Prop
    fields = ["nom", "artiste", "lien"]

    def form_valid(self, form):
        proposition = form.save(commit=False)
        proposition.user = self.request.user.profile
        proposition.save()
        return HttpResponseRedirect(self.success_url)


class PropositionList(LoginRequiredMixin, ListView):
    template_name = "propositions/liste.html"
    context_object_name = "propositions"
    model = Prop
    ordering = ["-nboui", "nbnon", "nom"]


@login_required
def repoui(request, id):
    prop = get_object_or_404(Prop, id=id)
    participant = request.user.profile
    try:
        p = Reponses.objects.get(prop=prop, part=participant)
        if p.reponse == "oui":
            prop.nboui -= 1
        else:
            prop.nbnon -= 1
        p.delete()
    except Reponses.DoesNotExist:
        pass
    rep = Reponses()
    rep.prop = prop
    rep.part = participant
    rep.reponse = "oui"
    rep.save()
    prop.nboui += 1
    prop.save()
    return redirect("propositions:list")


class PropDelete(DeleteView):
    model = Prop
    template_name = "propositions/delete.html"
    success_url = reverse_lazy("propositions:list")

    @method_decorator(login_required)
    def dispatch(self, *args, **kwargs):
        return super(PropDelete, self).dispatch(*args, **kwargs)

    def delete(self, request, *args, **kwargs):
        self.object = self.get_object()
        success_url = self.get_success_url()
        if not ((self.object.user == self.request.user.profile)
                or self.request.user.profile.is_chef):
            return redirect("propositions:list")
        else:
            self.object.delete()
            return HttpResponseRedirect(success_url)


@login_required
def repnon(request, id):
    prop = get_object_or_404(Prop, id=id)
    participant = request.user.profile
    try:
        p = Reponses.objects.get(prop=prop, part=participant)
        if p.reponse == "oui":
            prop.nboui -= 1
        else:
            prop.nbnon -= 1
        p.delete()
    except Reponses.DoesNotExist:
        pass
    rep = Reponses()
    rep.prop = prop
    rep.part = participant
    rep.reponse = "non"
    rep.save()
    prop.nbnon += 1
    prop.save()
    return redirect("propositions:list")