from fastapi import APIRouter, HTTPException

books = []  # In-memory storage

router = APIRouter()

@router.get("/books")
async def get_books():
    """Get all books endpoint"""
    return {
        "message": "Books retrieved successfully",
        "books": books,
        "features": {
            "rate_limit": 100,
            "expires_in": 3600
        }
    }