"""File containing Members application views."""

from django.shortcuts import render
from django.contrib.auth.decorators import permission_required
from django.views.decorators.http import require_http_methods
from django.views.decorators.csrf import ensure_csrf_cookie
from django.http import HttpResponse, HttpResponseRedirect
from django.core.mail import send_mail
from django.conf import settings
from django.utils.translation import ugettext as _
from django.forms.models import model_to_dict

# Email validation
from django.db.models.signals import post_save
from django.dispatch import receiver
from django.utils.http import urlsafe_base64_encode
from django.utils.encoding import force_bytes

import json
import requests
import logging
import html
import csv
import pickle
from smtplib import SMTPAuthenticationError

from members.models import Member, Request, Payment
from members.forms import MemberForm, PaymentForm, ApplicationForm, CSVValidationError
from members.views.utils import send_mail_wrapper


@receiver(post_save, sender=Member)
def email_on_accept(sender, instance, created, **kwargs):
    """Send email to accepted member."""
    if not settings.ENABLE_AUTOMATIC_EMAILS:
        return

    try:
        if created:
            subject = _('Aalto-yliopiston Sähköinsinöörikillan jäsenhakemuksesi on hyväksytty')
            message = (_('Moikka ja onnittelut') + ',\r\n\r\n' +
                       _('olet nyt virallisesti Aalto-yliopiston Sähköinsinöörikillan jäsen!') + '\r\n')
            send_mail_wrapper(subject, message, instance.email)
    except SMTPAuthenticationError:
        logging.error('Failed to send email to accepted member!')