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

# Base directory
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
SQLALCHEMY_DATABASE_URL = f"sqlite:///{os.path.join(BASE_DIR, 'sql_app.db')}"

# Create engine
engine = create_engine(
    SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False}
)

SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)

Base = declarative_base()

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