# Copyright (c) 2021-2022 Jos√© Manuel Barroso Galindo <theypsilon@gmail.com>

# 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, see <http://www.gnu.org/licenses/>.

# You can download the latest version of this tool from:
# https://github.com/MiSTer-devel/Downloader_MiSTer

from downloader.store_migrator import MigrationBase


class MigrationV4(MigrationBase):
    version = 4

    def migrate(self, local_store):
        """database ids to lowercase"""

        wrong_ids = [db_id for db_id, store in local_store['dbs'].items() if db_id.lower() != db_id]

        for db_id in wrong_ids:
            local_store['dbs'][db_id.lower()] = local_store['dbs'].pop(db_id)
