from flask import Blueprint, jsonify, request

from ..qa import top_questions, get_question_by_id
from ..rag import search_rag_full

bp = Blueprint("faq", __name__, url_prefix="/api/faq")


@bp.get("/top")
def get_top():
    return jsonify({"items": top_questions()})


@bp.post("/search")
def search():
    data = request.get_json(force=True, silent=True) or {}
    query = (data.get("query") or "").strip()
    if not query:
        items = top_questions()
    else:
        items = search_rag_full(query, limit=10)
    return jsonify({"items": items})


@bp.get("/item/<int:qid>")
def get_item(qid: int):
    item = get_question_by_id(qid)
    if not item:
        return jsonify({"error": "not found"}), 404
    return jsonify(item)


@bp.get("/random")
def random_items():
    # 保留接口，但返回 top 列表
    return jsonify({"items": top_questions()})