"""
Authentication schemas
"""
from typing import Optional
from pydantic import BaseModel, EmailStr
from pydantic.config import ConfigDict


class UserBase(BaseModel):
    """Base user schema"""
    username: str
    email: EmailStr
    full_name: Optional[str] = None


class UserCreate(UserBase):
    """User creation schema"""
    password: str


class UserUpdate(BaseModel):
    """User update schema"""
    username: Optional[str] = None
    email: Optional[EmailStr] = None
    full_name: Optional[str] = None
    is_active: Optional[bool] = None


class UserResponse(UserBase):
    """User response schema"""
    id: int
    is_active: bool
    is_admin: bool
    theme_preference: Optional[str] = "light"
    
    model_config = ConfigDict(from_attributes=True)


class ThemePreferenceUpdate(BaseModel):
    """Theme preference update schema"""
    theme_preference: str


class Token(BaseModel):
    """Token response schema"""
    access_token: str
    token_type: str
    refresh_token: Optional[str] = None


class TokenData(BaseModel):
    """Token payload schema"""
    username: Optional[str] = None


class LoginRequest(BaseModel):
    """Login request schema"""
    username: str
    password: str


class RefreshRequest(BaseModel):
    """Refresh token submission"""
    refresh_token: str