from pydantic import BaseModel, EmailStr


class LoginRequest(BaseModel):
    """Request schema for user login."""
    username: str
    password: str


class TokenResponse(BaseModel):
    """Response schema for authentication tokens."""
    access_token: str
    refresh_token: str
    token_type: str = "bearer"


class TokenData(BaseModel):
    """Schema for JWT token payload data."""
    user_id: str