# 就业开放时间和offer下发时间校验
# 导入基类、过滤条件、校验器
from pydantic import BaseModel, Field, model_validator, field_validator
# 导入时间模块
from datetime import date, datetime
# 导入可选类型、列表类型
from typing import Optional, List

# ---------- 请求模型 ----------

# 修改就业记录
class EmploymentOfferUpdate(BaseModel):
    offer_time: Optional[date] = None


# 修改就业基础
class EmploymentBaseUpdate(BaseModel):
    employment_open_time: Optional[date] = None
    job_time: Optional[date] = None
    company_name: Optional[str] = None
    salary: Optional[float] = None

# 添加就业基础
class EmploymentBaseCreate(BaseModel):
    stu_id: int = Field(..., description="学生编号")
    job_time: Optional[date] = Field(None, description="实际去就职时间")
    employment_open_time: date = Field(description="就业开放时间：年-月-日")
    company_name: str = Field(max_length=100, description="就业公司")
    salary: float = Field(..., gt=0, description="就业薪资，保留2位小数")

# 添加就业记录
class EmploymentOfferCreate(BaseModel):
    stu_id: int = Field(..., description="学生编号")
    offer_id: int = Field(..., description="offer编号")
    offer_time: date = Field(description="offer下发时间：年-月-日")

# 多条件组合查询
class EmploymentQuery(BaseModel):
    stu_id: Optional[int] = None
    company_name: Optional[str] = Field(None, max_length=100, description="公司名称")
    min_salary: Optional[float] = None
    max_salary: Optional[float] = None


# ---------- 响应模型 ----------
# 就业记录查询响应
class EmploymentOfferQueryResponse(BaseModel):
    stu_id: int
    offer_id: int
    offer_time: date

    class Config:
        from_attributes = True


# 就业基础查询响应
class EmploymentBaseQueryResponse(BaseModel):
    stu_id: int
    employment_open_time: Optional[date] = None
    job_time: Optional[date] = None
    company_name: Optional[str] = None
    salary: Optional[float] = None

    class Config:
        from_attributes = True