import IDTokenVerifier from 'idtoken-verifier';

interface AsyncTokenVerifierOptions {
  domain: string;
  client_id: string;
}
interface VerifyOptions {
  id_token: string;
  nonce: string;
}
export default class AsyncTokenVerifier {
  verifier: any;
  constructor(private options: AsyncTokenVerifierOptions) {
    this.verifier = new IDTokenVerifier({
      issuer: `https://${this.options.domain}/`,
      audience: this.options.client_id
    });
  }
  public async verify(options: VerifyOptions) {
    return new Promise((res, rej) => {
      this.verifier.verify(
        options.id_token,
        options.nonce,
        (error, payload) => {
          if (error) {
            return rej(error);
          }
          res(payload);
        }
      );
    });
  }
}