"""
Pydantic models for authentication and user management
"""

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


class TokenData(BaseModel):
    """Token data extracted from JWT"""
    username: Optional[str] = None
    user_id: Optional[str] = None
    scopes: List[str] = []


class UserBase(BaseModel):
    """Base user model"""
    username: str
    email: EmailStr
    is_active: bool = True
    is_superuser: bool = False


class UserCreate(UserBase):
    """User creation model"""
    password: str = Field(..., min_length=6, max_length=100)


class UserLogin(BaseModel):
    """User login model"""
    username: str
    password: str


class User(UserBase):
    """User model for responses"""
    id: str
    created_at: Optional[datetime] = None
    
    class Config:
        from_attributes = True


class UserInDB(User):
    """User model with database fields"""
    hashed_password: str


class Token(BaseModel):
    """Token response model"""
    access_token: str
    token_type: str = "bearer"
    expires_in: int