"""
API module.
"""
from django.conf import settings
from django.utils.translation import gettext as _

from lms.djangoapps.verify_student.emails import send_verification_approved_email
from lms.djangoapps.verify_student.tasks import send_verification_status_email


def send_approval_email(attempt):
    """
    Send an approval email to the learner associated with the IDV attempt.
    """
    verification_status_email_vars = {
        'platform_name': settings.PLATFORM_NAME,
    }

    expiration_datetime = attempt.expiration_datetime.date()
    if settings.VERIFY_STUDENT.get('USE_DJANGO_MAIL'):
        verification_status_email_vars['expiration_datetime'] = expiration_datetime.strftime("%m/%d/%Y")
        verification_status_email_vars['full_name'] = attempt.user.profile.name
        subject = _("Your {platform_name} ID verification was approved!").format(
            platform_name=settings.PLATFORM_NAME
        )
        context = {
            'subject': subject,
            'template': 'emails/passed_verification_email.txt',
            'email': attempt.user.email,
            'email_vars': verification_status_email_vars
        }
        send_verification_status_email.delay(context)
    else:
        email_context = {'user': attempt.user, 'expiration_datetime': expiration_datetime.strftime("%m/%d/%Y")}
        send_verification_approved_email(context=email_context)