"use client";
import { initializeApp, getApps, getApp, FirebaseApp } from "firebase/app";
import { getAnalytics } from "firebase/analytics";
import { initializeAppCheck, ReCaptchaV3Provider } from "firebase/app-check";

const firebaseConfig = {
  apiKey: process.env.NEXT_PUBLIC_APIKEY,
  authDomain: process.env.NEXT_PUBLIC_AUTHDOMAIN,
  projectId: process.env.NEXT_PUBLIC_PROJECTID,
  storageBucket: process.env.NEXT_PUBLIC_STORAGEBUCKET,
  messagingSenderId: process.env.NEXT_PUBLIC_SENDERID,
  appId: process.env.NEXT_PUBLIC_APPID,
  measurementId: process.env.NEXT_PUBLIC_MEASUREMENTID,
};

const firebaseApp = (): FirebaseApp => {
  let app: FirebaseApp;

  if (!getApps().length) {
    app = initializeApp(firebaseConfig);

    if (typeof window !== "undefined") {
      getAnalytics(app);
      initializeAppCheck(app, {
        provider: new ReCaptchaV3Provider(
          process.env.NEXT_PUBLIC_RECAPTCHA_SITE_KEY as string,
        ),
        isTokenAutoRefreshEnabled: true,
      });
    }
  } else {
    app = getApp();
  }

  return app;
};

export default firebaseApp;