from datetime import datetime
from pydantic import BaseModel, Field, field_validator



class EmploymentCreate(BaseModel):
    stu_id: int = Field(..., description="学生编号ID")
    name: str | None = None
    employment_open_time: datetime | None = None
    offer_time: datetime | None = None
    company_name: str | None = None
    salary: float | None = None




class EmploymentSet(BaseModel):
    name: str | None = None
    stu_id: int | None = None
    min_salary: float | None = None
    max_salary: float | None = None


class EmploymentUpdate(BaseModel):
    name: str | None = None
    employment_open_time: datetime | None = None
    offer_time: datetime | None = None
    company_name: str | None = None
    salary: float | None = None

class EmploymentOut(BaseModel):
    id:int
    stu_id:int
    name: str | None = None
    employment_open_time:datetime | None = None
    offer_time: datetime | None = None
    company_name:str |  None = None
    salary:float | None = None