package com.dj;

import java.util.ArrayList;

import java.util.Comparator;

import java.util.Scanner;

public class Main {

private static Scanner scanner = new Scanner(System.in);

public static void main(String[] args) {

boolean flag = true;

ArrayList<String> groceries = new ArrayList<>();

while (flag){

printActions();

switch (Integer.parseInt(scanner.nextLine())){

case 1 -> addItems(groceries);

case 2 -> removeItems(groceries);

default -> flag = false;

}

groceries.sort(Comparator.naturalOrder());

System.out.println(groceries);

}

}

private static void addItems(ArrayList<String> groceries){

System.out.println("Add item(s) [separate by commas]:");

String[] items = scanner.nextLine().split(",");

// groceries.addAll(List.of(items));

for (String i : items){

String trimmed = i.trim();

if (groceries.indexOf(trimmed) < 0){

groceries.add(trimmed);

}

}

}

private static void removeItems(ArrayList<String> groceries){

System.out.println("Remove item(s) [separate by commas]:");

String[] items = scanner.nextLine().split(",");

for (String i : items){

String trimmed = i.trim();

groceries.remove(trimmed);

}

}

private static void printActions(){

String textBlock = """

Available actions:

0 - to shutdown

1 - to add item(s) to list (comma delimited list)

2 - to remove any items (comma delimited list)

Enter a number for which action you want to do:""";

System.out.print(textBlock + " ");

}

}