# -*- coding: UTF-8 -*-

# Copyright (C) 2016 Avencall
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

from xivo_dao.resources.endpoint_custom import dao

from xivo_confd.helpers.validator import ValidationGroup, RequiredFields, UniqueField, RegexField, UniqueFieldChanged

INTERFACE_REGEX = r"^[a-zA-Z0-9#*./_@:-]{1,128}$"


def find_by_interface(interface):
    return dao.find_by(interface=interface)


def build_validator():
    return ValidationGroup(
        common=[
            RequiredFields('interface'),
            RegexField.compile('interface', INTERFACE_REGEX),
        ],
        create=[
            UniqueField('interface', find_by_interface, 'CustomEndpoint')
        ],
        edit=[
            UniqueFieldChanged('interface', dao, 'CustomEndpoint')
        ]
    )
