Pr_robot_factory/ui/UI.java

package ui;

import facade.FactorySystem;
import infrastructure.Persistenz;

import java.sql.SQLOutput;
import java.util.Scanner;

public class UI {

    private FactorySystem fs;
    private String name;

    Scanner sc = new Scanner(System.in);
    public UI (FactorySystem fs){
        this.fs = fs;
        hauptmenü();

    }
    public UI (String name){
        this.name = name;
       if(Persistenz.existsSavedData(name)){
           try{
               this.fs = (FactorySystem) Persistenz.loadFactoryData(name);
           }catch(Exception e){

           }
       }else{
           this.fs = new FactorySystem(name);
       }
    }

    private void hauptmenü() {
        mainloop:
        while(true){
            System.out.println();
            System.out.println("______________________");
            System.out.println("Sie haben folgende optionen:");
            System.out.println("-1- show all robots ----");
            System.out.println("-2- build new robot ----");
            System.out.println("-3- empty --------------");
            System.out.println("-4- Exit ---------------");
            System.out.print(" > ");
            try{
                int input = Integer.parseInt(sc.nextLine());
                switch(input){
                    case 1:
                        listAllRobots();break;
                    case 2: buildNewRobot();break;
                    case 3: System.out.println("u pressed 3");break;
                    case 4: break mainloop;
                    default:
                        System.out.println("this is an invalid option"); break;
                }

            }catch(NumberFormatException e){
                System.out.println("invalid input");
            }
        }

        System.out.println("Good Bye");
    }

    private void listAllRobots(){
        String[] listOfAll = fs.getAllRobots();
        if(listOfAll.length > 0){
            System.out.println("These robtos exist right now:");
            for (String s: listOfAll) {
                System.out.println(s);
            }
        }else{
            System.out.println("There are no robots yet.");
        }

    }

    private void buildNewRobot(){
        System.out.println("What shall the name of the robot be?");
        System.out.print(" > ");
        String name = sc.nextLine();
        System.out.println("Which type of robot do u want?");
        System.out.println(" [0] for R2D2 and [1] for C3PO");
        System.out.print(" > ");
        int type = Integer.parseInt(sc.nextLine());
        if(fs.buildNewRobot(name, type)){
            switch(type){
                case 0:
                    //Created new Robot of type R2D2 with the name
                    System.out.println("Created new Robot of type R2D2 with the name " + name );break;
                case 1:
                    System.out.println("Created new Robot of type C3PO with the name " + name );break;
            }
        }else{
            System.out.println("Anlegen des Roboters fehlgeschlagen");
        }
    }
}