firebase.js

import { initializeApp } from "firebase/app";
import { getAuth, GoogleAuthProvider, signInWithPopup, createUserWithEmailAndPassword, signInWithEmailAndPassword } from 'firebase/auth'
import { getFirestore, doc, getDoc, setDoc } from 'firebase/firestore'


// TODO: Add SDKs for Firebase products that you want to use
// https://firebase.google.com/docs/web/setup#available-libraries

// Your web app's Firebase configuration
// For Firebase JS SDK v7.20.0 and later, measurementId is optional
const firebaseConfig = {
  apiKey: "AIzaSyAsBErLZeP41qx90tUYuh_YiaIQ5P75kIc",
  authDomain: "sit-313task-7-1p.firebaseapp.com",
  projectId: "sit-313task-7-1p",
  storageBucket: "sit-313task-7-1p.appspot.com",
  messagingSenderId: "446281397367",
  appId: "1:446281397367:web:ba703f76d26231381f0272",
  measurementId: "G-ZEGRTPJD4Y"
};

// Initialize Firebase
const app = initializeApp(firebaseConfig);

const provider = new GoogleAuthProvider();

provider.setCustomParameters({
  prompt: "select_account"
});

export const auth = getAuth();
export const signInWithGooglePopup = () => signInWithPopup(auth, provider)
export const db = getFirestore();
export const createuserdocfromAuth = async (userAuth, additionalInformation = {}) => {
  if (!userAuth.email) return;

  const userDocRef = doc(db, 'users', userAuth.uid);
  console.log(userDocRef)


  const userSnapShots = await getDoc(userDocRef);
  console.log(userSnapShots)
  console.log(userSnapShots.exists())

  if (!userSnapShots.exists()) {
    const { displayName, email } = userAuth
    const createdAt = new Date();
    try {
      await setDoc(userDocRef, {
        displayName,
        email,
        createdAt,
        ...additionalInformation
      })
    }
    catch (error) {
      console.log('error in creating', error.message)
    }

  }
  return userDocRef;
}

export async function createAuthUserWithEmailAndPassword(email, password) {
  if (!email || !password)
    return
  return await createUserWithEmailAndPassword(auth, email, password)
}

export async function signinAuthUserWithEmailAndPassword(email, password) {
  if (!email || !password)
    return
  return await signInWithEmailAndPassword(auth, email, password)
}