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

from django.shortcuts import get_object_or_404
from django.http import HttpResponseBadRequest, HttpResponse
from django.views.decorators.http import require_POST
from django.views.decorators.csrf import csrf_protect
from django.contrib.auth.decorators import login_required

from .. import models, forms

from .profile import _send_profile_email, _profile_get_pdf


@login_required
@require_POST
@csrf_protect
def profile_filters_edit_ajax(request):
    """Сохранить фильтры реквизитов профиля - AJAX."""
    if not request.is_ajax():
        return HttpResponseBadRequest()

    profile = get_object_or_404(models.UserProfile, user=request.user)
    accounts = models.BankAccount.objects.get_all(request.user)

    filters_form_class = forms.get_profile_filters_form_class(profile.profile_type)
    filters = models.UserProfileFilters.objects.get_or_create_filters(user=request.user)

    form = filters_form_class(data=request.POST, instance=filters, profile=profile, accounts=accounts)
    if form.is_valid():
        form.save()

    non_field_errors = form.non_field_errors()
    if not form.is_valid():
        non_field_errors.append(u'Заполните/исправьте выделенные поля.')

    data = {
        'success': form.is_valid(),
        'field_errors': form.errors, # ошибки полей
        'form_errors': non_field_errors, # ошибки формы
    }
    return HttpResponse(json.dumps(data), mimetype='application/json')


@login_required
@require_POST
@csrf_protect
def profile_email_ajax(request):
    """Обработка формы отправки профиля пользователя на email аттачем в PDF - AJAX."""
    if not request.is_ajax():
        return HttpResponseBadRequest()

    form_class = forms.EmailProfileForm

    profile = get_object_or_404(models.UserProfile, user=request.user)
    filters = models.UserProfileFilters.objects.get_or_create_filters(user=request.user)

    form = form_class(data=request.POST)
    if form.is_valid():
        _send_profile_email(
            subject = u'Реквизиты %s' % profile.get_company_name(),
            to = form.cleaned_data['to'],
            body = form.cleaned_data['body'],
            pdf_content = _profile_get_pdf(request, profile, filters.bank_account, filters)
        )

    non_field_errors = form.non_field_errors()
    if not form.is_valid():
        non_field_errors.append(u'Заполните/исправьте выделенные поля.')

    data = {
        'success': form.is_valid(),
        'field_errors': form.errors, # ошибки полей
        'form_errors': non_field_errors, # ошибки формы
    }
    return HttpResponse(json.dumps(data), mimetype='application/json')