import {
  signInWithEmailAndPassword,
  createUserWithEmailAndPassword,
  signOut as firebaseSignOut,
  User,
  GoogleAuthProvider,
  signInWithPopup
} from 'firebase/auth';
import { auth } from '../../config/firebase';

export async function login(email: string, password: string): Promise<string> {
  const userCredential = await signInWithEmailAndPassword(auth, email, password);
  const token = await userCredential.user.getIdToken();
  localStorage.setItem('TOKEN', token);
  return token;
}

export async function register(email: string, password: string): Promise<string> {
  const userCredential = await createUserWithEmailAndPassword(auth, email, password);
  const token = await userCredential.user.getIdToken();
  localStorage.setItem('TOKEN', token);
  return token;
}

export async function signOut(): Promise<void> {
  await firebaseSignOut(auth);
  localStorage.removeItem('TOKEN');
}

export function getCurrentUser(): User | null {
  return auth.currentUser;
}

export async function signInWithGoogle(): Promise<string> {
  const provider = new GoogleAuthProvider();
  const userCredential = await signInWithPopup(auth, provider);
  const token = await userCredential.user.getIdToken();
  localStorage.setItem('TOKEN', token);
  return token;
}