import { NdiLogin } from 'ndi-login';

const { NdiLogin } = require('ndi-login');

const ndiLogin = new NdiLogin({
  issuer: 'https://stg-id.singpass.gov.sg',
  clientId: 'YOUR_CLIENT_ID',
  clientAssertionJwk: {
    // JWK for signing/verifying client assertion in JSON format
  },
  idTokenJwk: {
    // JWK for encrypting/decrypting ID token in JSON format
  },
});

const uri = await ndiLogin.generateAuthorizationUri({ redirectUri, codeChallenge, state, nonce })

const clientAssertion = await ndiLogin.generateClientAssertion();
const { authReqId } = await ndiLogin.backchannelAuthenticate({ clientAssertion, uin })

const clientAssertion = await ndiLogin.generateClientAssertion();
const { idToken } = await ndiLogin.getTokens({ clientAssertion, code, redirectUri, codeVerifier });
const { sub } = await ndiLogin.getIdTokenClaims(idToken);
const { uin } = NdiLogin.parseIdTokenSub(sub);

const clientAssertion = await ndiLogin.generateClientAssertion();
const { idToken } = await ndiLogin.getTokens({ clientAssertion, authReqId });
const { sub } = await ndiLogin.getIdTokenClaims(idToken);
const { uin } = NdiLogin.parseIdTokenSub(sub);

const jwks = await ndiLogin.getRpJwks();

const { clientAssertionJwk, idTokenJwk } = await NdiLogin.generateRpJwks();

const codeVerifier = NdiLogin.generateCodeVerifier();
const codeChallenge = NdiLogin.generateCodeChallege(codeVerifier);

const state = NdiLogin.generateState();
const nonce = NdiLogin.generateNonce();