# RhodeCode VCSServer provides access to different vcs backends via network.
# Copyright (C) 2014-2023 RhodeCode GmbH
#
# 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 vcsserver.lib import rc_cache


class RemoteBase:
    EMPTY_COMMIT = '0' * 40

    def _region(self, wire):
        cache_repo_id = wire.get('cache_repo_id', '')
        cache_namespace_uid = f'cache_repo.{rc_cache.CACHE_OBJ_CACHE_VER}.{cache_repo_id}'
        return rc_cache.get_or_create_region('repo_object', cache_namespace_uid)

    def _cache_on(self, wire):
        context = wire.get('context', '')
        context_uid = f'{context}'
        repo_id = wire.get('repo_id', '')
        cache = wire.get('cache', True)
        cache_on = context and cache
        return cache_on, context_uid, repo_id

    def vcsserver_invalidate_cache(self, wire, delete):
        cache_repo_id = wire.get('cache_repo_id', '')
        cache_namespace_uid = f'cache_repo.{rc_cache.CACHE_OBJ_CACHE_VER}.{cache_repo_id}'

        if delete:
            rc_cache.clear_cache_namespace(
                'repo_object', cache_namespace_uid, method=rc_cache.CLEAR_DELETE)

        repo_id = wire.get('repo_id', '')
        return {'invalidated': {'repo_id': repo_id, 'delete': delete}}