# students_schema：请求、响应的模型框架

from pydantic import BaseModel , Field
from datetime import datetime
import enum

class SexEnum(str , enum.Enum):
    m = '男'
    f = '女'

# 查询
class StudentsQuery(BaseModel):
    id:int | None = None
    num:str | None = None
    name:str | None = None
    age:int | None = None
    sex:SexEnum | None = None
    home_Place:str | None = None
    college:str | None = None
    specialty:str | None = None
    enrollment_time:datetime | None = None
    graduate_time:datetime | None = None
    education:str | None = None
    # 外键字段
    class_id:int | None = None
    advisor_id:int | None = None
    # 额外字段
    phone:str | None = None

class EducationEnum(str , enum.Enum):
    z = '专科'
    ben = '本科'
    s = '硕士'
    bo = '博士'

# 新建
class StudentsResponse(BaseModel):
    num:str = Field(..., min_length=1, max_length=50, description='学生编号' )
    name:str = Field(..., min_length=1, max_length=50, description='学生姓名' )
    age:int = Field(..., gt=0, lt=200, description='学生年龄')
    sex:SexEnum
    home_Place:str | None = None
    college:str | None = None
    specialty:str | None = None
    enrollment_time:datetime | None = None
    graduate_time:datetime | None = None
    education:EducationEnum
    # 外键字段
    class_id:int = Field(..., gt=0, description='班级ID')
    advisor_id:int | None = None
    # 额外字段
    phone:str = Field(...,min_length=11,max_length=11,description='学生手机号')

# 更新
class StudentsUpdate(BaseModel):
    id:int = Field(..., gt=0 , description='学生ID' )
    num:str | None = None
    name:str | None = None
    age:int | None = None
    sex:SexEnum | None = None
    home_Place:str | None = None
    college:str | None = None
    specialty:str | None = None
    enrollment_time:datetime | None = None
    graduate_time:datetime | None = None
    education:str | None = None
    # 外键字段
    class_id:int | None = None
    advisor_id:int | None = None
    # 额外字段
    phone:str | None = None

# 删除
class StudentsDelete(BaseModel):
    id:int | None = None
    num:str | None = None
    name:str | None = None
    age:int | None = None
    sex:SexEnum | None = None
    home_Place:str | None = None
    college:str | None = None
    specialty:str | None = None
    enrollment_time:datetime | None = None
    graduate_time:datetime | None = None
    education:str | None = None
    # 外键字段
    class_id:int | None = None
    advisor_id:int | None = None
    # 额外字段
    phone:str | None = None