package com.c2kernel.process;

import java.util.Scanner;

import com.c2kernel.entity.proxy.AgentProxy;
import com.c2kernel.scripting.Script;

public class ClientShell extends StandardClient {

	AgentProxy user;
	Script console;
	
	public ClientShell(String username, String pass) throws Exception {
		user = Gateway.connect(username, pass);
		console = new Script("javascript", user, System.out);
	}
	
	public void run() {
		@SuppressWarnings("resource") // closing the scanner closes system.in
		Scanner scan = new Scanner(System.in);
		System.out.print("> ");
		while (scan.hasNextLine()) {
			String command = scan.nextLine();
			console.setScript(command);
			try {
	        	Object response = console.execute();
	        	if (response == null)
	        		System.out.println("Ok");
	        	else
	        		System.out.println(response);
			} catch (Throwable ex) {
				ex.printStackTrace();
			}
			System.out.print("> ");
		}
		close();
	}

	public static void main(String[] args) throws Exception {
		Gateway.init(readC2KArgs(args));
		@SuppressWarnings("resource") // closing the scanner closes system.in
		Scanner scan = new Scanner(System.in);
		int loginAttempts = 0;
		ClientShell shell = null;
		while (shell == null && loginAttempts++ < 3) {
			System.out.print("User:");
			String username = scan.nextLine();
			System.out.print("Password:");
			String pass = scan.nextLine();
			try {
				shell = new ClientShell(username, pass);
			} catch (Exception ex) {
				System.err.println(ex.getMessage());
			}
		}
		if (shell == null) {
			System.err.println("Bye");
			System.exit(0);
		}
		shell.run();
			
	}

}