package cd2020create;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.*;
import java.io.PrintWriter;
import java.net.*;
import java.net.Socket;
import java.util.Date;
import java.util.Scanner;

public class SocketClient {
    public static void main(String args[]) throws IOException, NumberFormatException, InterruptedException, NullPointerException {
        String portnos = "0000";
        Scanner sc = new Scanner(System.in);
        InetAddress ip = InetAddress.getByName("10.12.97.118");
        System.out.println("Please enter a port to connect to (max 5 digits).");
        do {
            portnos = sc.next();
            try {
                Integer.parseInt(portnos);
            } catch (Exception e) {
                portnos = "100000000";
            }
            if (Integer.parseInt(portnos) > 99999) {
                System.err.println("Invalid port");
                portnos = "100000000";
            }
        } while (Integer.parseInt(portnos) > 99999);
        Socket sklocal = null;
        Date date = new Date();
        long timeMilli = date.getTime();
        System.out.print("Connecting...");
        long timeMilli2 = date.getTime();
        while (true) {
            if (timeMilli2 - timeMilli > 10000)
            {
                System.err.println("Error: Connection Timeout");
            }
            try {
                sklocal = new Socket(ip, Integer.parseInt(portnos));
                if (sklocal.getRemoteSocketAddress() != null) {
                    break;
                }
            } catch (Exception e) {
                timeMilli2 = date.getTime();
                System.out.print(".");
            }
        }
        System.out.println("Connected to " + sklocal.getRemoteSocketAddress());
        OutputStream out = sklocal.getOutputStream();
        DataOutputStream dataOut = new DataOutputStream(out);
        InputStream in = new DataInputStream(sklocal.getInputStream());
        DataInputStream dataIn = new DataInputStream(in);
        while (true) {
            try {
                sklocal.getOutputStream();
                String input = sc.next();
                dataOut.writeUTF(input);
                System.out.println(dataIn.readUTF());
            } catch (Exception NullPointerException) { }
        }
    }
}