from django.core.urlresolvers import reverse
from django.shortcuts import redirect
from django.utils import timezone
from django.utils.translation import ugettext as _
from misago import messages
from misago.apps.threads.forms import NewThreadForm, EditThreadForm
from misago.apps.threadtype.posting import NewThreadBaseView, EditThreadBaseView, NewReplyBaseView, EditReplyBaseView
from misago.models import Forum, Thread, Post, Poll, PollOption
from misago.apps.threads.mixins import TypeMixin


class PollFormMixin(object):
    def create_poll(self, form):
        poll = Poll(forum=self.forum,
                    thread=self.thread,
                    user=self.request.user,
                    user_name=self.request.user.username,
                    user_slug=self.request.user.username_slug,
                    start_date=timezone.now(),
                    length=form.cleaned_data['poll_length'],
                    question=form.cleaned_data['poll_question'],
                    max_choices=form.cleaned_data['poll_max_choices'],
                    vote_changing=form.cleaned_data['poll_changing_votes'],
                    public=form.cleaned_data['poll_max_choices'])
        poll.save()

        choices = []
        for name in form.clean_choices:
            option = PollOption.objects.create(
                                               poll=poll,
                                               forum=self.forum,
                                               thread=self.thread,
                                               name=name,
                                               )
            choices.append(option)

        poll.choices_cache = choices
        poll.save()

        self.thread.has_poll = True
        self.thread.save()

    def update_poll(self, form):
        pass

    def delete_poll(self):
        self.thread.poll.delete()


class NewThreadView(NewThreadBaseView, TypeMixin, PollFormMixin):
    form_type = NewThreadForm

    def set_forum_context(self):
        self.forum = Forum.objects.get(pk=self.kwargs.get('forum'), type='forum')

    def after_form(self, form):
        if form.cleaned_data.get('poll_question'):
            self.create_poll(form)

    def response(self):
        if self.post.moderated:
            messages.success(self.request, _("New thread has been posted. It will be hidden from other members until moderator reviews it."), 'threads')
        else:
            messages.success(self.request, _("New thread has been posted."), 'threads')
        return redirect(reverse('thread', kwargs={'thread': self.thread.pk, 'slug': self.thread.slug}) + ('#post-%s' % self.post.pk))


class EditThreadView(EditThreadBaseView, TypeMixin):
    form_type = EditThreadForm

    def after_form(self, form):
        if self.thread.poll:
            if form.cleaned_data.get('poll_delete'):
                self.delete_poll()
                self.thread.save()
            else:
                self.update_poll(form)
        elif form.cleaned_data.get('poll_question'):
            self.create_poll(form)

    def response(self):
        messages.success(self.request, _("Your thread has been edited."), 'threads_%s' % self.post.pk)
        return redirect(reverse('thread', kwargs={'thread': self.thread.pk, 'slug': self.thread.slug}) + ('#post-%s' % self.post.pk))


class NewReplyView(NewReplyBaseView, TypeMixin):
    def response(self):
        if self.post.moderated:
            messages.success(self.request, _("Your reply has been posted. It will be hidden from other members until moderator reviews it."), 'threads_%s' % self.post.pk)
        else:
            messages.success(self.request, _("Your reply has been posted."), 'threads_%s' % self.post.pk)
        return self.redirect_to_post(self.post)


class EditReplyView(EditReplyBaseView, TypeMixin):
    def response(self):
        messages.success(self.request, _("Your reply has been changed."), 'threads_%s' % self.post.pk)
        return self.redirect_to_post(self.post)