from cm.exception import UnauthorizedException

from cm.message import display_message

from cm.models import ApplicationConfiguration, Notification, Configuration, UserRole

from cm.models_base import generate_key

from cm.views import get_text_by_keys_or_404

from django import forms

from django.conf import settings

from django.contrib.auth.decorators import login_required

from django.core.urlresolvers import reverse

from django.http import HttpResponse, Http404, HttpResponseRedirect

from django.shortcuts import get_object_or_404, render_to_response

from django.template import RequestContext

from django.template.loader import render_to_string

from django.utils import feedgenerator

from django.utils.translation import ugettext as _

import re

import time

@login_required

def notifications(request):

    if request.method == 'POST':

        if 'activate' in request.POST:

            Configuration.objects.set_key('private_feed_key', generate_key())

            display_message(request, _(u"Private feed activated."))            

        if 'reset' in request.POST:

            Configuration.objects.set_key('private_feed_key', generate_key())

            display_message(request, _(u"Private feed reseted."))            

                                                          }, context_instance=RequestContext(request))

# force a POST (database modifications)

def desactivate_notification(request, adminkey):

    try:

        notification = Notification.objects.get(adminkey=adminkey)

    except Notification.DoesNotExist:        

        display_message(request, _(u"This notification has already been desactivated."))

        return HttpResponseRedirect(reverse('index'))

    if request.method == 'POST':

        if request.POST['adminkey'] == adminkey:

            notification.desactivate()

            display_message(request, _(u"Notification desactivated."))                

            return HttpResponseRedirect(reverse('index'))

    return render_to_response('site/notifications_desactivate.html', 

                              {'notification' : notification,

                               'title' : _(u'Desactivate notification?'),                               

                               },

                               context_instance=RequestContext(request))

def text_notifications(request, key):

    text = get_text_by_keys_or_404(key)

    user = request.user if request.user.is_authenticated() else None

    from cm.security import user_has_perm # import here!

    anonymous_can_view_text = user_has_perm(None, 'can_view_text', text=text)

    embed_code = '<iframe frameborder="0" src="%s%s" style="height: 166px; width: 99.9%%; position: relative; top: 0px;">'%(settings.SITE_URL, reverse('text-view-comments-frame', args=[text.key]))   

    if request.method == 'POST':

        if 'activate' in request.POST:

            text.private_feed_key = generate_key()

            text.save()

            display_message(request, _(u"Private feed activated."))            

        if 'reset' in request.POST:

            text.private_feed_key = generate_key()

            text.save()

            display_message(request, _(u"Private notifications feed reseted."))

    template_dict = {

                     'text' : text,

                     'anonymous_can_view_text' : anonymous_can_view_text,

                     'embed_code': embed_code

                     }

    return render_to_response('site/text_notifications.html', template_dict , context_instance=RequestContext(request))