#
# Copyright (c) 2021-2026 ahriman team.
#
# This file is part of ahriman
# (see https://github.com/arcan1s/ahriman).
#
# 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/>.
#
from sqlite3 import Connection

from ahriman.core.configuration import Configuration
from ahriman.core.utils import package_like
from ahriman.models.package import Package


__all__ = ["migrate_data", "steps"]


steps = [
    """
    alter table users add column packager_id
    """,
    """
    alter table users add column key_id
    """,
    """
    alter table package_bases add column packager
    """,
]


def migrate_data(connection: Connection, configuration: Configuration) -> None:
    """
    perform data migration

    Args:
        connection(Connection): database connection
        configuration(Configuration): configuration instance
    """
    migrate_package_base_packager(connection, configuration)


def migrate_package_base_packager(connection: Connection, configuration: Configuration) -> None:
    """
    migrate package packager field

    Args:
        connection(Connection): database connection
        configuration(Configuration): configuration instance
    """
    if not configuration.repository_paths.repository.is_dir():
        return

    package_list = []
    for full_path in filter(package_like, configuration.repository_paths.repository.iterdir()):
        package = Package.from_archive(full_path)
        package_list.append({
            "package_base": package.base,
            "packager": package.packager,
        })

    connection.executemany(
        """
        update package_bases set
        packager = :packager
        where package_base = :package_base
        """,
        package_list
    )
