class BaseController:

	def set_stream_func(self, stream_func):
		self._stream_func = stream_func

	def send(self, data):
		if getattr(self, "_stream_func", None) is not None:
			self._stream_func(data)
			
	def setProperty(self, params):
		name  = params.get("name")
		value = params.get("value")

		if not isinstance(name, str):
			return {"error": "Property name must be a string"}

		if not hasattr(self, name):
			return {"error": f"Property '{name}' does not exist"}

		setattr(self, name, value)

		return {"success": True}

	
	def getProperty(self, params):

		name = params.get("name")

		if not hasattr(self, name):

			return {"error": f"Property '{name}' does not exist"}

		value = getattr(self, name)
		
		return {"value": value}