class BaseMessage(object):
    msg_type = None

    def render(self):
        """Use to build message"""
        raise NotImplementedError("Implement this method before using.")


class TextMessage(BaseMessage):
    msg_type = "text"

    def __init__(self, text):
        self.text = text

    def render(self,email) -> dict:
        return {
            "email" : email,
            "msg_type": self.msg_type,
            "content": {"text": self.text},
        }