# -*- coding: utf-8 -*-
import simplejson as json
import logging

from django.http import HttpResponse, HttpResponseBadRequest
from django.views.decorators.http import require_POST
from django.views.decorators.csrf import csrf_protect

from .forms import FeedbackForm
from .emails import mail_feedback


log = logging.getLogger('feedback')


@require_POST
@csrf_protect
def feedback(request):
    if not request.is_ajax():
        return HttpResponseBadRequest()

    form = FeedbackForm(data=request.POST)
    data = None
    if form.is_valid():
        data = {
            'success': form.is_valid(),
            'form_errors': '',
            'message': {
                'title': u'Спасибо!',
                'msg': u'Ваше сообщение отправлено.',
            }
        }

        try:
            log.info('new message = %s' % form.cleaned_data)
        except Exception, e:
            log.exception(e)

        try:
            mail_feedback(form)
        except Exception, e:
            log.exception(e)
            data = {
                'success': False,
                'form_errors': u'',
                'message': {
                    'title': u'Ошибка!',
                    'msg': u'Возникли проблемы при отправке. Попробуйте повторить позже.',
                }
            }

    if not data:
        form_errors = form.non_field_errors()
        if not form_errors:
            for k in form.fields.keys():
                if form[k].errors:
                    form_errors = form[k].errors[0]  # show only first error
                    break

        data = {
            'success': form.is_valid(),
            'form_errors': form_errors,
        }

    return HttpResponse(json.dumps(data), mimetype='application/json')