# -*- coding: utf-8 -*-

from fastapi import Path, Depends
from sqlalchemy.ext.asyncio import AsyncSession

from common.const import OBJECTIVE_QUESTION_TYPES
from crud.paper import crud_question
from models.paper import PaperQuestion
from models.user import Teacher
from utils.depends import get_async_db, get_current_user


async def get_paper_questions(page: int = 1,
                              size: int = 10,
                              pid: int = Path(..., description="试卷ID"),
                              db: AsyncSession = Depends(get_async_db),
                              current_user: Teacher = Depends(get_current_user)):

    # 分页
    offset = (page - 1) * size
    total, db_questions = await crud_question.find_all(
        db,
        filters=[PaperQuestion.pid == pid,
                 PaperQuestion.qtype.notin_(OBJECTIVE_QUESTION_TYPES)],
        offset=offset,
        limit=size)

    return {"data": db_questions, "total": total}


# 查看答案
async def get_question_answer(pid: int = Path(..., description="试卷ID"),
                              qno: int = Path(..., description="题号"),
                              sqno: int = Path(..., description="子题号"),
                              db: AsyncSession = Depends(get_async_db),
                              current_user: Teacher = Depends(get_current_user)):
    db_obj = await crud_question.find_one(db, filters={"pid": pid, "qno": qno, "sqno": sqno})
    if not db_obj:
        return {"errcode": 404, "mess": "试题不存在!"}

    return {"data": db_obj}