from flask import Flask
# from flask_sqlalchemy import SQLAlchemy
from flask_marshmallow import Marshmallow
from flask_cors import CORS
from app.config import Config
from app.routes import api

# Initialize extensions
# db = SQLAlchemy()
ma = Marshmallow()

def create_app():
    """ Factory function to create a Flask app instance """
    app = Flask(__name__)

    # Load configuration
    app.config.from_object(Config)

    # Initialize extensions
    # db.init_app(app)
    ma.init_app(app)


    CORS(app) 

    # Register blueprints
    app.register_blueprint(api, url_prefix="/api")

    return app