import json
from django import forms
from django.conf import settings
from django.shortcuts import HttpResponse
from django.contrib import admin
from django.contrib.sites.models import Site
from django.contrib import messages
from django.utils.translation import ungettext, ugettext_lazy as _

from .models import Gallery, Photo, GalleryUpload, PhotoEffect, PhotoSize, \
    Watermark

MULTISITE = getattr(settings, 'PHOTOLOGUE_MULTISITE', False)

ENABLE_TAGS = getattr(settings, 'PHOTOLOGUE_ENABLE_TAGS', False)


#------------------EXPOMAP VIEWS----------------------------------------------
from django.views.generic import ListView, FormView
from forms import PhotoForm, GalleryForm
from django.shortcuts import  render_to_response, get_object_or_404
from django.http import HttpResponseRedirect

class AdminViewObject(FormView):
    """
    need overwrite get_form method for every class
    """
    form_class = None
    model = None
    template_name = None
    success_url = None
    obj = None

    def set_obj(self):
        """
        this method must be called in get_form method
         to determine if we changing or creating

        """
        slug = self.kwargs.get('slug')
        if slug:
            obj = get_object_or_404(self.model, slug=slug)
            self.obj =obj
        else:
            self.obj = None

    def form_valid(self, form):
        self.set_obj()
        form.save(obj=self.obj)
        return HttpResponseRedirect(self.success_url)

    def get_context_data(self, **kwargs):
        context = super(AdminViewObject, self).get_context_data(**kwargs)
        context['object'] = self.obj
        context['languages'] = settings.LANGUAGES
        return context



class PhotoView(AdminViewObject):
    model = Photo
    form_class = PhotoForm
    template_name = 'c_admin/photogallery/admin_photo.html'
    success_url = '/admin/photogallery/photo/all/'

    def get_form(self, form_class):

        if self.request.POST:
            return super(PhotoView, self).get_form(form_class)

        self.set_obj()

        if self.obj:
            photo = self.obj
            data = {}
            data['image'] = photo.image.url
            data['sort'] = photo.sort

            for code, name in settings.LANGUAGES:
                obj = Photo._meta.translations_model.objects.get(language_code = code,master__id=getattr(photo, 'id')) #access to translated fields
                data['title_%s' % code] = obj.title
                data['caption_%s' % code] = obj.caption
            #form.fields['tag'].widget.attrs['data-init-text'] = [item.name for item in article.tag.all()]
            return form_class(data)
        else:
            return form_class()

class GalleryView(AdminViewObject):
    model = Gallery
    form_class = GalleryForm
    template_name = 'c_admin/photogallery/admin_gallery.html'
    success_url = '/admin/photogallery/gallery/all/'

    def get_form(self, form_class):

        if self.request.POST:
            return super(GalleryView, self).get_form(form_class)

        self.set_obj()

        if self.obj:
            gallery = self.obj
            data = {}

            for code, name in settings.LANGUAGES:
                obj = Gallery._meta.translations_model.objects.get(language_code = code,master__id=getattr(gallery, 'id')) #access to translated fields
                data['title_%s' % code] = obj.title
                data['description_%s' % code] = obj.description
            #form.fields['tag'].widget.attrs['data-init-text'] = [item.name for item in article.tag.all()]
            return form_class(data)
        else:
            return form_class()


class PhotoListView(ListView):
    paginate_by = settings.ADMIN_PAGINATION
    model = Photo
    template_name = 'c_admin/photogallery/admin_photo_list.html'


class GalleryListView(ListView):
    paginate_by = settings.ADMIN_PAGINATION
    model = Gallery
    template_name = 'c_admin/photogallery/admin_gallery_list.html'


def delete_photo(request, photo_id):
    photo = get_object_or_404(Photo, pk=photo_id)
    photo.delete()
    response = {'success': True}
    return HttpResponse(json.dumps(response), content_type='application/json')