import java.io.*;
import java.net.*;
import java.util.Scanner;

/**
   @author Snilledata
 */
public class ATMClient {
	private static int connectionPort = 8989;
	static DataInputStream in = null;
	static DataOutputStream out = null;
	static Socket ATMSocket = null;

	private static final byte ASSIGNMENT_LOGIN = 0x01;
	private static final byte ASSIGNMENT_WITHDRAWAL = 0x02;
	private static final byte ASSIGNMENT_DEPOSIT = 0x03;
	private static final byte ASSIGNMENT_BALANCE = 0x04;

	public static void main(String[] args) throws IOException {
		String adress = "";

		try {
			adress = args[0];
		} catch (ArrayIndexOutOfBoundsException e) {
			System.err.println("Missing argument ip-adress");
			System.exit(1);
		}
		try {
			ATMSocket = new Socket(adress, connectionPort);
			in = new DataInputStream(ATMSocket.getInputStream());
			out = new DataOutputStream(ATMSocket.getOutputStream());
		} catch (UnknownHostException e) {
			System.err.println("Unknown host: " +adress);
			System.exit(1);
		} catch (IOException e) {
			System.err.println("Couldn't open connection to " + adress);
			System.exit(1);
		}


		System.out.println("Contacting bank ... ");
		System.out.println(get());

		//Scanner scanner = new Scanner(System.in);

		System.out.print("> ");

/*		int menuOption = scanner.nextInt();
		int userInput;
		out.println(menuOption);
		while(menuOption < 2) {
			if(menuOption == 1) {
				System.out.print("> ");
				menuOption = scanner.nextInt();
				out.println(menuOption);
			} else if (menuOption > 2) {
				break;
			} else {
				System.out.println(in.readLine());
				userInput = scanner.nextInt();
				out.println(userInput);
				String str;
				do {
					str = in.readLine();
					System.out.println(str);
				} while (!str.startsWith("(1)"));
				System.out.print("> ");
				menuOption = scanner.nextInt();
				out.println(menuOption);
			}
		}		*/

		out.close();
		in.close();
		ATMSocket.close();
	}

	//bör använda sig av "DataInputStream"
	private static void send(byte instr, String params) {

	}

	//bör använda sig av "DataInputStream"
	private static String get() throws IOException{
		return null;
	}
}