from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
from sqlalchemy.orm import sessionmaker
import os
from dotenv import load_dotenv

load_dotenv()

DATABASE_URL = os.getenv("DATABASE_URL", "postgresql+asyncpg://admin:admin123@localhost:5432/growth_panel_db")

engine = create_async_engine(DATABASE_URL, echo=True)

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

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