#
# This file is part of FreedomBox.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
"""
Forms for the Single Sign On app of FreedomBox.
"""

from captcha.fields import CaptchaField
from django.contrib.auth.forms import \
    AuthenticationForm as DjangoAuthenticationForm


class AuthenticationForm(DjangoAuthenticationForm):
    """Authentication form with an additional Captcha field."""
    captcha = CaptchaField()

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.fields['username'].widget.attrs.update({'autofocus': 'autofocus'})