import re
from django.core.mail import send_mail
from django.conf import settings
from django.template.loader import render_to_string


def normalize_phone(phone):
    retval = re.sub("\D", "", phone)
    if len(retval) > 10:
        retval = retval[len(retval) - 10:]
    return retval


def send_email(profile, subject='Робот Batiskaf-kz.kz', template='mail/base.jinja', context={}):
    context['user'] = profile
    message = render_to_string(template, context)
    send_mail(
            subject,
            message,
            recipient_list=[profile.email, ],
            from_email=settings.DEFAULT_FROM_EMAIL
    )