#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
PerToolBox Server - 数据库模块
Copyright (C) 2024 Sea Network Technology Studio
Author: Canglan <admin@sea-studio.top>
License: AGPL v3
"""

from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker, Session
from typing import Generator
from .config import settings

engine = create_engine(
    settings.DATABASE_URL,
    pool_size=20,
    max_overflow=10,
    pool_pre_ping=True,
    echo=settings.DEBUG,
    connect_args={"connect_timeout": 10}
)

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

def get_db() -> Generator[Session, None, None]:
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()