import json

from article.models import Article
from django.http import HttpResponse, HttpResponseNotAllowed
from django.shortcuts import HttpResponse
from django.views.generic import FormView, TemplateView
from emencia.django.newsletter.models import Contact
from functions.cache_mixin import JitterCacheMixin
from meta.views import MetadataMixin
#from forms import CallbackForm
from service.order_forms import CallBackForm, ParticipationLandingForm
from settings.models import LandingComment, ParticipationComment


class AdvertisingView(MetadataMixin, TemplateView):
    template_name = 'simple_pages/advertising.html'


class AdvertisingViewLanding(JitterCacheMixin, AdvertisingView):
    template_name = 'simple_pages/advertising_landing.html'

    def get_context_data(self, **kwargs):
        context = super(AdvertisingViewLanding, self).get_context_data(**kwargs)
        context['comments'] = LandingComment.objects.language().all()
        return context


class ParticipationViewLanding(JitterCacheMixin, MetadataMixin, FormView):
    template_name = 'simple_pages/participation_landing.html'
    form_class = ParticipationLandingForm

    def get_initial(self):
        data = super(ParticipationViewLanding, self).get_initial()
        if self.request.user.is_authenticated():
            data['person'] = getattr(self.request.user, 'email')
            data['person_inf'] = getattr(self.request.user, 'first_name')
        return data

    def make_json_response(self, data):
        return HttpResponse(json.dumps(data), content_type='application/json')

    def post(self, request, *args, **kwargs):
        if not request.is_ajax():
            return HttpResponseNotAllowed()
        return super(ParticipationViewLanding, self).post(request, *args, **kwargs)

    def form_valid(self, form):
        form.save()
        return self.make_json_response({'success': True})

    def form_invalid(self, form):
        data = {'success': False, 'errors': form.errors}
        return self.make_json_response(data)

    def get_context_data(self, **kwargs):
        context = super(ParticipationViewLanding, self).get_context_data(**kwargs)
        context['comments'] = ParticipationComment.objects.language().all()
        context['articles'] = Article.objects.blogs().filter(theme__url='praktikum-eksponenta')[:4]
        # context['specialist_count'] = Contact.objects.all().count()
        return context


class AboutView(MetadataMixin, TemplateView):
    template_name = 'simple_pages/about.html'


def callback(request):
    response = {'success': False}
    if request.GET:
        form = CallBackForm(request.GET)
        if form.is_valid():
            form.save()
            response['success'] = True
        else:
            response['errors'] = form.errors

    return HttpResponse(json.dumps(response), content_type='application/json')