from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate
from config import Config
import os
from flask_cors import CORS

# 初始化扩展
db = SQLAlchemy()
migrate = Migrate()

def create_app(config_class=Config):
    app = Flask(__name__,
                template_folder='templates',
                static_folder='../static')
    
    app.config.from_object(config_class)

    # 启用跨域支持
    CORS(app)

    # 初始化扩展
    db.init_app(app)
    migrate.init_app(app, db)

    # 注册蓝图
    from flask_prompt_master.routes import main_bp
    app.register_blueprint(main_bp)

    return app