from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
import os

# Using SQLite for simplicity as requested
# Use environment variable for database path or default to a relative path
DATABASE_URL = os.getenv("DATABASE_URL", "sqlite:///./testarena.db")

engine = create_engine(DATABASE_URL, connect_args={"check_same_thread": False})
SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)

def get_db():
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()