from datetime import datetime
from typing import Optional

from pydantic import BaseModel, EmailStr


class UserRead(BaseModel):
    id: int
    username: str
    email: Optional[str] = None
    full_name: Optional[str] = None
    role: str
    is_active: bool
    created_at: datetime

    model_config = {"from_attributes": True}


class UserCreate(BaseModel):
    username: str
    password: str
    email: Optional[str] = None
    full_name: Optional[str] = None
    role: str = "operator"


class UserUpdate(BaseModel):
    email: Optional[str] = None
    full_name: Optional[str] = None
    role: Optional[str] = None
    is_active: Optional[bool] = None
    password: Optional[str] = None