from typing import Optional,List
from pydantic import BaseModel,Field
from datetime import date
from model.student_model import Sex
##================ =====请求体===============
class StudentCreateRequest(BaseModel):
    stu_id:str=Field(...,description="学生id")
    class_id:Optional[str]=Field(None,description="学生班级id")
    stu_name: str = Field(..., description="学生姓名")
    native_place: Optional[str] = Field(None, description="籍贯")
    graduate_school: Optional[str] = Field(None, description="毕业院校")
    major: Optional[str] = Field(None, description="专业")
    enroll_date: Optional[date] = Field(None, description="入学时间")
    graduate_date: Optional[date] = Field(None, description="毕业时间")
    education: Optional[str] = Field(None, description="学历")
    advisor_no: Optional[str] = Field(None, description="顾问编号")
    age: Optional[int] = Field(None, ge=0, description="年龄，不能负数")
    gender: Optional[Sex] = Field(None, description="性别")
class StudentUpdateRequest(BaseModel):
    stu_id:Optional[str]=None#学生id
    class_id: Optional[str] = None  # 学生班级
    stu_name: Optional[str] = None  # 学生姓名
    native_place: Optional[str] = None  # 籍贯
    graduate_school: Optional[str] = None  # 毕业院校
    major: Optional[str] = None  # 专业
    enroll_date: Optional[date] = None  # 入学时间
    graduate_date: Optional[date] = None  # 毕业时间
    education: Optional[str] = None  # 学历
    advisor_no: Optional[str] = None  # 顾问编号
    age: Optional[int] = Field(None, ge=0)  # 年龄，不能负数
    gender: Optional[Sex] = Field(None, description="性别") # 性别'''
class StudentQuery(BaseModel):
    stu_id: Optional[str] = None  # 学生编号筛选
    stu_name: Optional[str] = None  # 学生姓名筛选
    class_id: Optional[str] = None  # 班级筛选
    page: int = Field(1, ge=1, description="页码，默认第1页")
    page_size: int = Field(10, ge=1, le=100, description="每页条数，默认10条")
##=====================响应体===============
class StudentResponse(BaseModel):
    stu_id: str# 学生编号
    class_id: Optional[str]# 学生班级
    stu_name: str# 学生姓名
    native_place: Optional[str] # 籍贯
    graduate_school: Optional[str] # 毕业院校
    major: Optional[str]# 专业
    enroll_date: Optional[date] # 入学时间
    graduate_date: Optional[date] # 毕业时间
    education: Optional[str] # 学历
    advisor_no: Optional[str]# 顾问编号
    age: Optional[int]# 年龄
    gender: Optional[Sex] = Field(None, description="性别")# 性别
    is_deleted: bool# 逻辑删除标记
# 分页列表响应体：查询学生列表时返回
class StudentPageResponse(BaseModel):
    total: int# 符合条件的总记录数
    page: int# 当前页码
    page_size: int# 每页数据条数
    items: List[StudentResponse] # 当前页学生数据列表