# myapp/services/memory_service.py
import os, json
from flask import current_app
from db.user import load_user_from_json  # 按你项目实际替换

def save_chapter_memory_by_uuid(
    user_uuid: str,
    course_id: str,
    lesson_id: str,
    subchapter_title: str,
    mem_list,
    score,
    is_rebuttal: bool,
):
    uuid2username = current_app.extensions["uuid2username"]
    user_map = current_app.extensions["user_id2UserClass"]  # 可复用缓存
    user_data_dir = current_app.config["USER_DATA_DIR"]

    username = uuid2username[user_uuid]
    # 若内存里已有用户对象就直接用；否则从 JSON 载入
    user_obj = user_map.get(user_uuid) or load_user_from_json(username, user_data_dir=user_data_dir)
    user_map[user_uuid] = user_obj

    user_obj.save_chapter_memory(
        course_id, lesson_id, subchapter_title, mem_list, score, is_rebuttal
    )