# api/students.py
# 本文件定义学生模块的所有 API 路由（Controller 层）
from fastapi import APIRouter, Depends, HTTPException, Query
from sqlalchemy.orm import Session

from database import get_db
from dao.student_dao import StudentDAO
from scheme.students import StudentCreate, StudentUpdate, StudentResponse, StudentListResponse

# 创建路由器
router = APIRouter(prefix="/students", tags=["学生管理"])

# 查询学生列表（支持按编号、姓名、班级等条件筛选）
@router.get("/list/", response_model=StudentListResponse)
async def get_student_list(
    sid: int = None,
    name: str = Query(None,max_length=4,description='名字的模糊查询'),
    cid: int =Query(None,description="根据学生的班级id查询"),
    gender: str = Query(None,max_length=1,description="选择项（男\女）根据学生性别查询，查询男同学或者女同学"),
    education: str = Query(None,max_length=2,description="选择项（硕士\本科）根据学生学历查询，查询该学历学生"),
    page: int = Query(1,description="查看的页数"),
    size: int = Query(5,description="查询每一页的数量"),
    db: Session = Depends(get_db)
):
    total, items = StudentDAO.get_list(db, sid=sid, name=name, cid=cid,
                                       gender=gender, education=education,
                                       page=page, size=size)
    return {"total": total, "items": items}

# 按学号查单个学生
@router.get("/{sid}", response_model=StudentResponse)
async def get_student_by_id(sid: int, db: Session = Depends(get_db)):
    return StudentDAO.get_by_id(db, sid)

# 按照用户输入新增学生
@router.post("/create", response_model=StudentResponse)
async def create_student(data: StudentCreate, db: Session = Depends(get_db)):
    return StudentDAO.create(db, data)

# 更新学生信息
@router.put("/update/{sid}", response_model=StudentResponse)
async def update_student(sid: int, data: StudentUpdate, db: Session = Depends(get_db)):
    return StudentDAO.update(db, sid, data)

# 删除学生
@router.post("/delete/{sid}", response_model=StudentResponse)
async def delete_student(sid: int, db: Session = Depends(get_db)):
    return StudentDAO.delete(db, sid)