from fastapi import APIRouter, Depends, HTTPException
from core.database import fake_users_db
from typing import Dict

router = APIRouter()

fake_books_db: Dict = {
    "1": {
        "id": "1",
        "title": "Sample Book",
        "author": "John Doe",
        "year": 2023,
        "available": True
    }
}

@router.get("/books/{book_id}")
async def get_book(book_id: str):
    """Get book by ID"""
    book = fake_books_db.get(book_id)
    if not book:
        raise HTTPException(status_code=404, detail="Book not found")
    
    return {
        "message": "Book found",
        "data": book,
        "metadata": {
            "source": "demo_db",
            "result_count": 1,
            "features": {
                "details_available": True,
                "can_download": False
            }
        }
    }