"""Webapp utils."""

from django.utils import timezone
from django.core.mail import send_mail, EmailMessage
from datetime import timedelta
import logging
from django.conf import settings


def month_from_now():
    """Return date one month from now."""
    return timezone.now() + timedelta(days=30)


def send_email(to, subject, body):
    try:
        success = send_mail(
            subject,
            body,
            settings.DEFAULT_EMAIL_FROM,
            [to],
            fail_silently=False,
        )
        if success == 0:
            raise Exception('Failed to send email!')

    except Exception as ex:
        logging.exception('Failed to send email.')


def send_email_with_attachment(to, subject, body, attachment):
    try:
        email = EmailMessage(
            subject, body, settings.DEFAULT_EMAIL_FROM, [to]
        )
        email.attach('raha.pdf', attachment, 'application/pdf;')
        res = email.send()
        if res == 0:
            raise Exception('Failed to send email!')

    except Exception as ex:
        logging.exception('Failed to send email.')