import json


class ParlerItem:
    def __init__(self):
        self.data = None

    def serialize(self):
        self.data["_v"] = self.version()
        self.data["_id"] = self.item_id()
        return json.dumps(self.data, separators=(',', ':'), ensure_ascii=False, sort_keys=True)

    def item_type(self) -> str:
        raise NotImplementedError

    def item_id(self) -> str:
        raise NotImplementedError

    def version(self):
        return "1.0"


class ParlerProfile(ParlerItem):
    def __init__(self, data, int_id):
        super().__init__()
        self.data = data
        self.data["_int_id"] = int_id

    def item_type(self):
        return "profile"

    def item_id(self):
        return self.data["id"]


class ParlerFollower(ParlerItem):

    def __init__(self, user_id, follower_id, approx_date):
        super().__init__()
        self.data = {
            "user_id": user_id,
            "follower_id": follower_id,
            "approx_date": approx_date,
        }

    def item_type(self):
        return "follower"

    def item_id(self):
        return self.data["user_id"] + self.data["follower_id"]


class ParlerFollowee(ParlerItem):

    def __init__(self, user_id, followee_id, approx_date):
        super().__init__()
        self.data = {
            "user_id": user_id,
            "followee_id": followee_id,
            "approx_date": approx_date
        }

    def item_type(self):
        return "followee"

    def item_id(self):
        return self.data["user_id"] + self.data["followee_id"]


class ParlerPost(ParlerItem):

    def __init__(self, data):
        super().__init__()
        self.data = data

    def item_type(self):
        return "post"

    def item_id(self):
        return self.data["id"]


class ParlerPostRef(ParlerItem):

    def __init__(self, post_id, user_id, approx_date):
        super().__init__()
        self.data = {
            "post_id": post_id,
            "user_id": user_id,
            "approx_date": approx_date
        }

    def item_type(self):
        return "postref"

    def item_id(self):
        return self.data["user_id"] + self.data["post_id"]


class ParlerUrl(ParlerItem):

    def __init__(self, data):
        super().__init__()
        self.data = data

    def item_type(self):
        return "url"

    def item_id(self):
        return self.data["_id"]


class ParlerComment(ParlerItem):

    def __init__(self, data):
        super().__init__()
        self.data = data

    def item_type(self):
        return "comment"

    def item_id(self):
        return self.data["_id"]