from fastapi import APIRouter,HTTPException,Depends
from dao.student_dao import *
from schema.student_schema import *
from util.database import get_db


StudentAPI = APIRouter(tags=['学生基本信息管理模块'])

@StudentAPI.get('/students',response_model=StuPageResponse,summary='学生信息查询接口',description='查询学生信息')
def get_students(stu_id:int|None=None
                ,stu_name:str|None=None
                ,class_id:int|None=None
                ,db=Depends(get_db)
                ,page:int=1
                ,page_size:int=10):
    r, total = get_student_dao(stu_id=stu_id
                               ,stu_name=stu_name
                               ,class_id=class_id
                               ,page=page
                               ,page_size=page_size
                               ,db=db)
    return StuPageResponse(page=page,
                               page_size=page_size,
                               totals=total,
                               data=r)

@StudentAPI.post('/students',response_model=StugetResponse,summary='学生信息新增接口',description='新增学生信息')
def add_students(s:StudentRequest
                 ,db=Depends(get_db)):
    d = s.model_dump(exclude_unset=True)
    if not d:
        raise HTTPException(status_code=400, detail='添加内容不能为空')
    r = add_student_dao( o=d, db=db)
    if r == 'conflict':
        raise HTTPException(status_code=409, detail='身份证号已存在，请勿重复添加')
    if r == 'error':
        raise HTTPException(status_code=500, detail='添加失败，请稍后重试')
    return r

@StudentAPI.put('/students/{stu_id}',summary='学生信息更新接口',description='更新学生信息')
def update_students(stu_id:int
                    ,s:StuUpdateRequest
                    ,db=Depends(get_db)):
    d = s.model_dump(exclude_unset=True)
    d.pop('stu_id', None)
    if not d:
        raise HTTPException(status_code=400, detail='更新内容不能为空')
    r = update_student_dao( stu_id=stu_id,update_data=d,db=db )
    if r == 'error':
        raise HTTPException(status_code=500, detail='更新失败，请稍后重试')
    if not r:
        raise HTTPException(status_code=404, detail='学生不存在或已被删除，更新失败')
    return {'code':200,'totals':r,'detail':'更新成功'}

@StudentAPI.delete('/students/{stu_id}',response_model= StugetResponse,summary='学生信息删除接口',description='删除学生信息')
def del_students(stu_id:int
                 ,db=Depends(get_db)):
    rows=delete_student_dao( stu_id=stu_id,db=db )
    if not rows:
        raise HTTPException(status_code=404,detail='学生不存在或已被删除')
    return {'code':200,'totals':rows,'detail':'删除成功'}