"""User schemas for authentication."""

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


class UserBase(BaseModel):
    """Base user schema."""
    email: EmailStr
    username: str = Field(..., min_length=3, max_length=100)


class UserCreate(UserBase):
    """Schema for user registration."""
    password: str = Field(..., min_length=6, max_length=100)


class UserLogin(BaseModel):
    """Schema for user login."""
    username: str
    password: str


class UserResponse(UserBase):
    """Schema for user response."""
    id: int
    is_active: bool
    created_at: datetime

    class Config:
        from_attributes = True


class Token(BaseModel):
    """JWT token response."""
    access_token: str
    token_type: str = "bearer"


class TokenData(BaseModel):
    """Token payload data."""
    username: Optional[str] = None
    user_id: Optional[int] = None