from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker, AsyncSession
from tg_bot.config.settings import settings

database_url = settings.DATABASE_URL
if database_url.startswith("sqlite:///"):
    database_url = database_url.replace("sqlite:///", "sqlite+aiosqlite:///")

engine = create_async_engine(
    database_url,
    echo=settings.DEBUG
)

AsyncSessionLocal = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)

async def create_tables():
    from .models import Base
    async with engine.begin() as conn:
        await conn.run_sync(Base.metadata.create_all)
    print(f"Таблицы созданы: {settings.DATABASE_URL}")