import enum
from pydantic import BaseModel, EmailStr
from typing import Optional

class UserRole(str, enum.Enum):
    admin = "admin"
    cashier = "cashier"

class UserCreate(BaseModel):
    email: EmailStr
    password: str
    role: UserRole = UserRole.cashier

class UserResponse(BaseModel):
    id: int
    email: EmailStr
    is_active: bool
    role: UserRole

    class Config:
        from_attributes = True

class Token(BaseModel):
    access_token: str
    token_type: str

class TokenData(BaseModel):
    email: Optional[str] = None
    role: Optional[str] = None