from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
from sqlalchemy.orm import sessionmaker
from config.settings import settings
import logging

logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

DATABASE_URL = settings.database_url
engine = create_async_engine(DATABASE_URL, echo=True)
AsyncSessionLocal = sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)

async def init_db():
    from models.db import metadata 
    try:
        async with engine.begin() as conn:
            await conn.run_sync(metadata.create_all)
        logger.info("Database tables created successfully.")
    except Exception as e:
        logger.error(f"Error creating database tables: {str(e)}")
        raise

async def get_db():
    async with AsyncSessionLocal() as session:
        yield session