from datetime import datetime

from pydantic import BaseModel, Field, field_validator


#增加类
class AddTeacher(BaseModel):
    t_name:str= Field(...,min_length=1,max_length=20,description='老师姓名'),
    t_gender:str=Field(...,min_length=1,max_length=10,description='性别')
    t_phone:str=Field(...,max_length=15,description="手机号码最多15位")
    t_subject:str=Field(...,min_length=1,max_length=50,description='教授科目')
    t_created:str=Field(...,description='入职时间，格式为%Y-%m-%d')

    @field_validator('t_created')
    def j_t_created(cls,v:str):
        try:
            t_created_date=datetime.strptime(v,'%Y-%m-%d') #时间转字符串日期
        except ValueError:
            raise ValueError('时间格式错误，请按照yyyy-MM-dd格式输入')

        if t_created_date.date() > datetime.now().date():
            raise ValueError('入职时间不能大于未来时间')
        return v

#删除类
class DeleteTeacher(BaseModel):
    t_id:int=Field(...,gt=0,description='老师id'),
    t_name:str=Field(...,min_length=1,max_length=20,description='老师姓名')


#修改类
class UpdateTeacher(BaseModel):
    t_name: str = Field(..., min_length=1, max_length=20, description='老师姓名')
    t_gender: str = Field(..., min_length=1, max_length=10, description='性别')
    t_phone: str = Field(..., max_length=15, description="手机号码最多15位")
    t_subject: str = Field(..., min_length=1, max_length=50, description='教授科目')
    t_created: str = Field(..., description='入职时间，格式为%Y-%m-%d')

    @field_validator('t_created')
    def j_t_created(cls, v: str):
        try:
            t_created_date = datetime.strptime(v, '%Y-%m-%d')  # 时间转字符串日期
        except ValueError:
            raise ValueError('时间格式错误，请按照yyyy-MM-dd格式输入')

        if t_created_date.date() > datetime.now().date():
            raise ValueError('入职时间不能大于未来时间')
        return v