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

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

DATABASE_URL = "sqlite+aiosqlite:///./auth.db"

engine = create_async_engine(
    DATABASE_URL,
    echo=False,
    future=True
)

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

Base = declarative_base()

async def init_db():
    from .models import Base
    logger.info("Initializing SQLite database at data/auth.db")
    try:
        async with engine.begin() as conn:
            await conn.run_sync(Base.metadata.create_all)
        logger.info("Database initialized successfully")
    except Exception as e:
        logger.error(f"Failed to initialize database: {str(e)}")
        raise

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