from __future__ import annotations
from typing import Any, Dict
from uuid import uuid4


class Objective:
    def __init__(self, name: str, description: str | None):
        self.id: str = str(uuid4())
        self.name: str = name
        self.description: str | None = description

    def set_id(self, new_id: str) -> None:
        self.id = new_id

    def set_name(self, new_name: str) -> None:
        self.name = new_name

    def set_description(self, new_description: str | None) -> None:
        self.description = new_description

    def toDict(self) -> Dict[str, Any]:
        return {
            "id": self.id,
            "name": self.name,
            "description": self.description or None,
        }

    @staticmethod
    def fromDict(data: Dict[str, Any]) -> Objective:
        obj = Objective(data["name"], data["description"] or None)
        obj.set_id(data["id"])
        return obj