from fastapi import Query,HTTPException
from pydantic import BaseModel, field_validator
from datetime import date
from typing import Optional

class EmlpoymentRequest(BaseModel):
    stu_id: int=Query(ge=1)
    email: str|None
    employment_opening_date:date
    offer_issuance_date:date
    company_name:str
    company_address:str|None
    salary:float

    @field_validator('stu_id')
    def check(cls,n):
        i = cls.model_dump()
        if i['stu_id'] == n:
            return n
        raise HTTPException(status_code=404,detail='未找到该学生的就业信息！')

class EmploymentResponse(BaseModel):
    code:int = 200
    detail:str = 'OK'
    emp_id:int
    stu_id: int
    stu_name:Optional[str] = None
    class_id:int
    email: str | None
    employment_opening_date: date
    offer_issuance_date: date
    company_name: str
    company_address: str | None
    salary: float