public class SupportSystem
{
  private InputReader reader;
  private Responder responder;
  public SupportSystem(){
    reader = new InputReader();
    responder = new Responder();
  }

  public void start(){
    boolean finished = false;
    printWelcome();
    while(!finished){
      String input = reader.getInput();
      if(input.startsWith("selesai")) {
        finished = true;
      }
        else if(input.indexOf("bug")!=-1) {
        String response = responder.generateResponse1();
        System.out.println(response);
      }
      else if(input.indexOf("koneksi")!=-1) {
        String response = responder.generateResponse2();
        System.out.println(response);
      }
      else if(input.indexOf("sandi")!=-1) {
        String response = responder.generateResponse3();
        System.out.println(response);
      }
      else if(input.indexOf("blue screen")!=-1) {
        String response = responder.generateResponse4();
        System.out.println(response);
       }
      else {
        String response = responder.generateResponse5();
        System.out.println(response);
      }
    }
    printGoodbye();
  }

  private void printWelcome()
  {
    System.out.println( "Welcome!");
    System.out.println();
    System.out.println("Kami hadir untuk menyelesaikan masalahmu");
    System.out.println("Apa masalah Anda?");
    System.out.println("Ketik 'selesai' untuk menutup sistem ini.");
  }

   private void printGoodbye() {
    System.out.println("Terima kasih telah menggunakan tech support kami.");
  }
}