public class Auth {
    Client client;
    String host;
    String endpoint;
    public Auth() {
        this.client = new Client();
        this.host = "http://[::1]:8000/api";
        this.endpoint =  "/login";
    }    
    public String login(String data) {
        Client client = new Client();
        String url = host + endpoint;
        String res = client.post(url, data ).join();
        return res;
    }    
}