from flask import Flask
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from .models import Base, Author, Book
from crudkit import make_blueprint

engine = create_engine("sqlite:///example.db", echo=True, future=True)
SessionLocal = sessionmaker(bind=engine, expire_on_commit=False)

def session_factory():
    return SessionLocal()

registry = {"author": Author, "book": Book}

def create_app():
    app = Flask(__name__)
    Base.metadata.create_all(engine)
    app.register_blueprint(make_blueprint(session_factory, registry), url_prefix="/api")
    return app

if __name__ == "__main__":
    create_app().run(debug=True)