"""从 Neo4j 回填习题上的知识点元数据。"""
from __future__ import annotations

from app.integrations.neo4j import Neo4jClient
from app.models import Exercise
from app.utils.knowledge_codes import split_knowledge_codes


def enrich_exercise_from_neo4j(ex: Exercise, neo4j: Neo4jClient) -> None:
    if not ex.knowledge_code:
        return
    main_codes = split_knowledge_codes(ex.knowledge_code)
    if not main_codes:
        return
    try:
        kp = neo4j.get_knowledge_point(main_codes[0])
        if kp:
            ex.knowledge_grade = kp.get("grade")
            ex.knowledge_category = kp.get("category")
            ex.knowledge_point_name = kp.get("name")
    except Exception:
        pass