from flask import Flask,jsonify
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate  # type: ignore
from config import Config
from flask_cors import CORS

db = SQLAlchemy()
migrate = Migrate()


def create_app():
    app = Flask(__name__)
    
    CORS(app)

    app.config.from_object(Config)

    # 初始化数据库
    db.init_app(app)
    migrate.init_app(app, db)

    # 添加根路由
    @app.route('/')
    def home():
        return jsonify({"status": "success", "message": "Welcome to the API!"})

    # 注册蓝图

    from app.routes import session_routes, user_routes, message_routes, report_routes
    # 注册路由
    app.register_blueprint(session_routes)
    app.register_blueprint(message_routes)
    app.register_blueprint(report_routes)
    app.register_blueprint(user_routes)

    return app