"""Webapp utils."""

from django.utils import timezone
from django.core.mail import send_mail

from datetime import timedelta
import logging
from django.conf import settings
from django.template.loader import render_to_string
from sikweb.settings import URL


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


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

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


def send_signup_email(to, subject, id, uuid):
    message = render_to_string(
        'webapp:signup_email.html', {
            'url': f"https://{URL}/api/signup/{id}/edit/?uuid={uuid}",
        }
    )

    return send_email(to, subject, message, fail_silently=True)