from __future__ import annotations

import sqlalchemy.ext.asyncio as sqlalchemy_asyncio

from .. import database


@database.manager_class('sqlite')
class SQLiteDatabaseManager(database.BaseDatabaseManager):
    """SQLite database manager"""

    async def initialize(self) -> None:
        db_file_path = self.ap.instance_config.data.get('database', {}).get('sqlite', {}).get('path', 'data/langbot.db')
        engine_url = f'sqlite+aiosqlite:///{db_file_path}'
        self.engine = sqlalchemy_asyncio.create_async_engine(engine_url)