class Detail(DetailView):
    model = models.Task
    template_name = 'tasks/detail.html'

    def post(self, request, pk):
        params = request.POST.get('taskmarkas').split()
        type_ = int(params[0])
        key = int(params[1])

        if type_ == 1:
            models.Task.objects.filter(pk=key).update(completed=True)
        elif type_ == 2:
            models.Task.objects.filter(pk=key).update(completed=False)

        return HttpResponseRedirect(f'/tasks/detail/{pk}')

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['sub_tasks'] = models.Task.objects.get(
            pk=self.kwargs['pk']).sub_tasks.all()
        return context


class CreateSubTask(FormView):
    form_class = forms.CreateNewSubTaskForm
    template_name = 'tasks/createsub.html'
    success_url = '/tasks'

    def form_valid(self, form):
        models.SubTask.objects.create(task=self.request.POST.get(
            'task'), text=self.request.POST.get('text'))
        return HttpResponseRedirect(self.success_url)

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['pk'] = self.kwargs['pk']
        return context


class About(TemplateView):
    template_name = 'tasks/about.html'