export default async function fetchMenuItems() {
  try {
    await connectToDatabase();
    const menuItems = await MenuItem.find({});
    return JSON.stringify(menuItems);
  } catch (error) {
    console.error("Error fetching menu items:", error);
    throw new Error("Failed to fetch menu items. Please try again later.");
  }
}

import { isAdmin } from "@/app/api/auth/[...nextauth]/route";
import { Category } from "@/models/Category";
import { MenuItem } from "@/models/MenuItem";
import { Order } from "@/models/Order";
import { User } from "@/models/User";
import { MongoClient, Collection, Document, ObjectId } from "mongodb";

// Database Connection Functions:

const uri = process.env.MONGO_URL || ""; // Provide a fallback value of an empty string
const options = {};

let mongoClient: MongoClient | undefined; // Specify the type of mongoClient as MongoClient | undefined

if (!uri) {
  throw new Error("Please add your Mongo URI to .env");
}

export async function connectToDatabase() {
  try {
    // Check if MongoClient is already instantiated to ensure singleton behavior
    if (mongoClient) {
      return { mongoClient };
    }

    // Create a new MongoClient instance and connect to the database
    mongoClient = await new MongoClient(uri, options).connect();
    console.log("Connected to Database!");

    // Return the connected MongoClient instance
    return { mongoClient };
  } catch (error) {
    console.error("Error connecting to MongoDB:", error);
    throw error; // Rethrow the error to propagate it to the caller
  }
}