from fastapi import APIRouter, Depends, HTTPException
from core.database import fake_library_db
import uuid

router = APIRouter()

@router.post("/library")
async def add_book_handler(
    title: str,
    author: str,
    db: Session = Depends(get_db),
    token: str = Depends(oauth2_scheme)
):
    """Add a new book to the library"""
    book_id = str(uuid.uuid4())
    if title in [book["title"] for book in fake_library_db.values()]:
        raise HTTPException(status_code=400, detail="Book already exists")
    
    new_book = {
        "id": book_id,
        "title": title,
        "author": author
    }
    fake_library_db[book_id] = new_book
    
    return {
        "message": "Book added successfully",
        "data": new_book,
        "metadata": {
            "total_books": len(fake_library_db)
        }
    }