"""
Database configuration

@author: {{ author }}
@date: {{ date }}
"""
from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker

# Database URL - configure according to your database
SQLALCHEMY_DATABASE_URL = "{{ database_url | default('sqlite:///./sql_app.db') }}"

engine = create_engine(
    SQLALCHEMY_DATABASE_URL,
    {% if database_url and 'sqlite' not in database_url %}
    pool_pre_ping=True,
    pool_size=10,
    max_overflow=20
    {% endif %}
)

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

Base = declarative_base()

def get_db():
    """Dependency to get database session"""
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()