from socketify import App, MiddlewareRouter, middleware
    

async def get_user(authorization):
    if authorization:
        #you can do something async here
        return { 'greeting': 'Hello, World' }
    return None

async def auth(res, req, data=None):
    user = await get_user(req.get_header('authorization'))
    if not user: 
        res.write_status(403).end("not authorized")
        #returning Falsy in middlewares just stop the execution of the next middleware
        return False

    #returns extra data
    return user

def another_middie(res, req, data=None):
    #now we can mix sync and async and change the data here
    if isinstance(data, dict):
        gretting = data.get('greeting', '')
        data['greeting'] = f"{gretting} from another middie ;)"
    return data

def home(res, req, user=None):
    res.cork_end(user.get('greeting', None))



app = App()

#you can use an Middleware router to add middlewares to every route you set
auth_router = MiddlewareRouter(app, auth)
auth_router.get("/", home)
#you can also mix middleware() with MiddlewareRouter
auth_router.get("/another", middleware(another_middie, home))

#you can also pass multiple middlewares on the MiddlewareRouter
other_router = MiddlewareRouter(app, auth, another_middie)
other_router.get("/another_way", home)


app.listen(3000, lambda config: print("Listening on port http://localhost:%d now\n" % config.port))
app.run()