firebase.ts

// src/lib/firebase.ts
import { initializeApp, getApps, getApp } from 'firebase/app';
import { getFirestore, collection, getDocs, query, where } from 'firebase/firestore';
import { getAuth, GoogleAuthProvider } from 'firebase/auth';

const firebaseConfig = {
  apiKey: process.env.NEXT_PUBLIC_FIREBASE_API_KEY!,
  authDomain: process.env.NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN!,
  projectId: process.env.NEXT_PUBLIC_FIREBASE_PROJECT_ID!,
  storageBucket: process.env.NEXT_PUBLIC_FIREBASE_STORAGE_BUCKET!,
  messagingSenderId: process.env.NEXT_PUBLIC_FIREBASE_MESSAGING_SENDER_ID!,
  appId: process.env.NEXT_PUBLIC_FIREBASE_APP_ID!,
};

const app = !getApps().length ? initializeApp(firebaseConfig) : getApp();
const db = getFirestore(app);
const auth = getAuth(app);
const googleProvider = new GoogleAuthProvider();

export { db, auth, googleProvider, collection, getDocs, query, where };