from pydantic import BaseModel,Field
from datetime import date
from typing import List, Optional

class AllStuResponse(BaseModel):
    class_id: int
    gender: str | None
    cnt: int

class AcgScoreResponse(BaseModel):
    class_id: int
    avg_score: float

class AvgDayResponse(BaseModel):
    class_id: int
    avg_days: str | None

class EmpRequest(BaseModel):
    stu_id: int

class EmpItem(BaseModel):
    stu_id: int
    employment_opening_date:date | None
    offer_issuance_date:date | None
    employment_duration_day: int | None

class AllEmpResponse(BaseModel):
    code: int
    msg: str
    data: List[EmpItem]