#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Copyright (C) 2024-2025 Étienne Loks  <etienne.loks at iggdrasil dot net>

# 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/>.

# See the file COPYING for details.

from datetime import datetime


class UnderscoreSlug:
    regex = '[_0-9a-z]+'

    def to_python(self, value):
        return str(value)

    def to_url(self, value):
        return str(value)


class DateTimeConverter:
    regex = r"\d{4}-\d{1,2}-\d{1,2}T\d{1,2}\:\d{1,2}\:\d{1,2}\.\d{1,6}"
    date_format = '%Y-%m-%dT%H:%M:%S.%f'

    def to_python(self, value):
        return datetime.strptime(value, self.date_format)

    def to_url(self, value):
        if isinstance(value, datetime):
            return value.strftime(self.date_format)
        return value