ApocalypsePreparation

package Advance.Exams.JavaAdvancedExam.February2023;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayDeque;
import java.util.Arrays;
import java.util.HashMap;
import java.util.stream.Collectors;

public class ApocalypsePreparation {

    private static final int PATCH_REQUIREMENT = 30;
    private static final int BANDAGE_REQUIREMENT = 40;
    private static final int MEDKIT_REQUIREMENT = 100;
    private static final String PATCH = "Patch";
    private static final String BANDAGE = "Bandage";
    private static final String MEDKIT = "MedKit";
    public static void main(String[] args) throws IOException {
        BufferedReader scanner = new BufferedReader(new InputStreamReader(System.in));

        ArrayDeque<Integer> textiles = new ArrayDeque<>(Arrays.stream(scanner.readLine().split("\\s")).map(Integer::parseInt).collect(Collectors.toList()));
        ArrayDeque<Integer> medicaments = new ArrayDeque<>();
        int[] input = Arrays.stream(scanner.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
        Arrays.stream(input).forEach(medicaments::push);
        HashMap<String, Integer> items = new HashMap<>();


        while (!textiles.isEmpty() && !medicaments.isEmpty()) {
            int textile = textiles.poll();
            int medicament = medicaments.pop();
            int sum = textile + medicament;
            if (sum == PATCH_REQUIREMENT) {
                items.putIfAbsent(PATCH, 0);
                items.put(PATCH, items.get(PATCH) + 1);

            } else if (sum == BANDAGE_REQUIREMENT) {
                items.putIfAbsent(BANDAGE, 0);
                items.put(BANDAGE, items.get(BANDAGE) + 1);

            } else if (sum == MEDKIT_REQUIREMENT) {
                items.putIfAbsent(MEDKIT, 0);
                items.put(MEDKIT, items.get(MEDKIT) + 1);

            } else if (sum > MEDKIT_REQUIREMENT) {
                items.putIfAbsent(MEDKIT, 0);
                items.put(MEDKIT, items.get(MEDKIT) + 1);
                sum -= 100;
                int addReamaining = medicaments.pop() + sum;
                medicaments.push(addReamaining);

            } else {
                medicaments.push(medicament + 10);
            }
        }

        if (textiles.isEmpty() && medicaments.isEmpty()) {
            System.out.println("Textiles and medicaments are both empty.");
        } else if (textiles.isEmpty()){
            System.out.println("Textiles are empty.");
        } else {
            System.out.println("Medicaments are empty.");
        }

        items.entrySet().stream()
                .sorted((name1, name2) -> name1.getKey().compareTo(name2.getKey()))
                .sorted((n1, n2) -> Integer.compare(n2.getValue(), n1.getValue()))
                .forEach(item -> System.out.printf("%s - %d%n", item.getKey(), item.getValue()));

        if (!medicaments.isEmpty()) {
            System.out.println("Medicaments left: " + String.join(", ", medicaments.toString().replaceAll("[\\[\\]]", "")));
        } else if (!textiles.isEmpty()) {
            System.out.println("Textiles left: " + String.join(", ", textiles.toString().replaceAll("[\\[\\]]", "")));
        }
    }
}