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


class UserCreate(BaseModel):
    email: EmailStr
    password: str
    display_name: Optional[str] = None


class UserUpdate(BaseModel):
    display_name: Optional[str] = None
    timezone: Optional[str] = None


class PasswordChange(BaseModel):
    current_password: str
    new_password: str


class UserResponse(BaseModel):
    id: int
    email: str
    display_name: Optional[str]
    timezone: str
    created_at: datetime

    model_config = {"from_attributes": True}


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


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