from typing import Optional

from fastapi import APIRouter, Depends, Query
from pydantic import BaseModel

from app.core.security import get_current_user

router = APIRouter(prefix="/exam/practice", tags=["学习-刷题"])


class AnswerRequest(BaseModel):
    question_id: str
    answer: str


@router.get("/questions")
async def get_questions(
    subject: Optional[str] = Query(None, description="科目"),
    chapter_id: Optional[str] = Query(None, description="章节"),
    question_type: Optional[str] = Query(None, description="A/B/X 题型"),
    mode: str = Query("sequential", description="sequential/random/wrong"),
    count: int = Query(10, ge=1, le=50),
    user: dict = Depends(get_current_user),
):
    return {"questions": [], "message": "待题库生成后可用"}


@router.post("/submit")
async def submit_answer(
    req: AnswerRequest,
    user: dict = Depends(get_current_user),
):
    return {"correct": True, "correct_answer": "", "explanation": ""}


@router.get("/wrong-questions")
async def get_wrong_questions(user: dict = Depends(get_current_user)):
    return {"items": []}