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

class UserCreate(BaseModel):
    email: EmailStr
    password: str

class UserLogin(BaseModel):
    email: EmailStr
    password: str

class UserResponse(BaseModel):
    id: int
    email: str
    role: str
    created_at: datetime

    class Config:
        from_attributes = True

class Token(BaseModel):
    access_token: str
    token_type: str = "bearer"

class TokenData(BaseModel):
    user_id: Optional[int] = None