from fastapi import APIRouter, Depends, HTTPException, Query
from sqlalchemy.orm import Session
from core.database import get_db
from dao.score import post_score_dao, update_score_dao, get_score_dao, get_all_scores_dao,delete_score_dao, exist_student_exam_dao
from schemas.score import ScoreCreate, ScoreUpdate, ScorePageResp

scores_router = APIRouter(prefix="/scores", tags=["成绩接口"])


@scores_router.post("", summary="新增成绩接口")
def create_score(req: ScoreCreate, db: Session = Depends(get_db)):
    # 业务校验：联合唯一
    if exist_student_exam_dao(req.student_id, req.exam_seq, db):
        raise HTTPException(status_code=400, detail="该学生本次考试成绩已存在，不能重复录入")
    ok = post_score_dao(req.model_dump(), db)
    if not ok:
        raise HTTPException(status_code=400, detail="新增成绩失败，请检查学生id是否存在")
    return {"msg": "新增成功"}


@scores_router.get("", response_model=ScorePageResp, summary="个人成绩查询接口")
def list_score(
    score_id: int|None=None,
    student_id: int |None=None,
    exam_seq: int|None=None,
    page: int = Query(1, ge=1),
    page_size: int = Query(10, ge=1, le=100),
    db: Session = Depends(get_db)
):
    total, data_list = get_score_dao(score_id, student_id, exam_seq, page, page_size, db)
    return {"total": total, "data": data_list}



@scores_router.get("/all", response_model=ScorePageResp,
                   summary="所有学生成绩接口",
                  )
def list_all_scores(page: int = Query(1, ge=1),
                    page_size: int = Query(10, ge=1, le=100),
                    db: Session = Depends(get_db)):
    total, data_list = get_all_scores_dao(page, page_size, db)
    return {"total": total, "data": data_list}

@scores_router.put("{score_id}", summary="更新成绩接口")
def modify_score(score_id: int, req: ScoreUpdate, db: Session = Depends(get_db)):
    update_dict = req.model_dump(exclude_unset=True)
    if not update_dict:
        raise HTTPException(status_code=400, detail="没有传入任何修改字段")
    ok = update_score_dao(score_id, db, update_dict)
    if not ok:
        raise HTTPException(status_code=400, detail="修改失败，记录不存在或已删除")
    return {"msg": "修改成功"}


@scores_router.delete("{score_id}", summary="删除成绩接口")
def remove_score(score_id: int, db: Session = Depends(get_db)):
    ok = delete_score_dao(score_id, db)
    if not ok:
        raise HTTPException(status_code=400, detail="删除失败，记录不存在或已删除")
    return {"msg": "逻辑删除成功"}