# scheme/teachers.py
# 本文件定义老师模块用到的 Pydantic 模型
from typing import Optional
from pydantic import BaseModel, Field


# 新增教师的请求体模型 ----------
class TeacherCreate(BaseModel):
    teacher_name: str = Field(..., description="老师姓名")
    gender: Optional[str] = Field(None, description="性别")
    phone: Optional[str] = Field(None, min_length=11,description="联系电话")
    is_headteacher: int = Field(0, ge=0, le=1, description="1-班主任 0-任课老师")


class TeacherUpdate(BaseModel):
    teacher_name: Optional[str] = None
    gender: Optional[str] = None
    phone: Optional[str] = Field(None,min_length=11,description="联系电话")
    is_headteacher: Optional[int] = Field(None, ge=0, le=1)


# 响应体模型
class TeacherResponse(BaseModel):
    teacher_id: int
    teacher_name: str
    gender: Optional[str] = None
    phone: Optional[str] = None
    is_headteacher: int
    # flag: int
#响应模型读取 SQLAlchemy ORM 对象属性 的配置
    class Config:
        from_attributes = True


class TeacherListResponse(BaseModel):
    total: int
    items: list[TeacherResponse]