# -*- coding: utf-8 -*-
"""
    flask_security.registerable
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~

    Flask-Security registerable module

    :copyright: (c) 2012 by Matt Wright.
    :license: MIT, see LICENSE for more details.
"""

from flask import current_app as app
from werkzeug.local import LocalProxy

from .confirmable import generate_confirmation_link
from .signals import user_registered
from .utils import config_value, do_flash, encrypt_password, get_message, \
    send_mail

# Convenient references
_security = LocalProxy(lambda: app.extensions['security'])

_datastore = LocalProxy(lambda: _security.datastore)


def register_user(**kwargs):
    confirmation_link, token = None, None
    kwargs['password'] = encrypt_password(kwargs['password'])
    user = _datastore.create_user(**kwargs)
    _datastore.commit()

    if _security.confirmable:
        confirmation_link, token = generate_confirmation_link(user)
        do_flash(*get_message('CONFIRM_REGISTRATION', email=user.email))

    user_registered.send(app._get_current_object(),
                         user=user, confirm_token=token)

    if config_value('SEND_REGISTER_EMAIL'):
        send_mail(config_value('EMAIL_SUBJECT_REGISTER'), user.email,
                  'welcome', user=user, confirmation_link=confirmation_link)

    return user
