SpaceshipCrafting

package spaceStationRecruitment;

import java.util.*;
import java.util.stream.Collectors;

public class Main {
    private final static int GLASS = 25;
    private final static int ALUMINIUM = 50;
    private final static int LITHIUM = 75;
    private final static int CARBON_FIBER = 100;

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        List<Integer> input = getInput(scanner);
        Deque<Integer> chemicalLiquids = new ArrayDeque<>(input);
        input = getInput(scanner);
        Collections.reverse(input);
        Deque<Integer> physicalItems = new ArrayDeque<>(input);


        Map<String, Integer> advancedMaterialReached = new LinkedHashMap<>();
        advancedMaterialReached.put("Aluminium", 0);
        advancedMaterialReached.put("Carbon fiber", 0);
        advancedMaterialReached.put("Glass", 0);
        advancedMaterialReached.put("Lithium", 0);

        boolean glassReached = false;
        boolean aluminiumReached = false;
        boolean lithiumReached = false;
        boolean carbonFiberReached = false;

        while (!chemicalLiquids.isEmpty() && !physicalItems.isEmpty()) {
            int currentLiquid = chemicalLiquids.pollFirst();
            int currentItem = physicalItems.pop();
            int sumOfReaction = currentLiquid + currentItem;

            if (sumOfReaction == GLASS) {
                advancedMaterialReached.put("Glass", advancedMaterialReached.get("Glass") + 1);
                glassReached = true;
            } else if (sumOfReaction == ALUMINIUM) {
                advancedMaterialReached.put("Aluminium", advancedMaterialReached.get("Aluminium") + 1);
                aluminiumReached = true;
            } else if (sumOfReaction == LITHIUM) {
                advancedMaterialReached.put("Lithium", advancedMaterialReached.get("Lithium") + 1);
                lithiumReached = true;
            } else if (sumOfReaction == CARBON_FIBER) {
                advancedMaterialReached.put("Carbon fiber", advancedMaterialReached.get("Carbon fiber") + 1);
                carbonFiberReached = true;
            } else {
                currentItem += 3;
                physicalItems.push(currentItem);
            }
        }
        StringBuilder output = new StringBuilder();

        if (glassReached && aluminiumReached && lithiumReached && carbonFiberReached) {
            output.append("Wohoo! You succeeded in building the spaceship!")
                    .append(System.lineSeparator());
        } else {
            output.append("Ugh, what a pity! You didn't have enough materials to build the spaceship.")
                    .append(System.lineSeparator());
        }

        if (chemicalLiquids.isEmpty()) {
            output.append("Liquids left: none")
                    .append(System.lineSeparator());
        } else {
            output.append("Liquids left: ");
            while (!chemicalLiquids.isEmpty()) {
                output.append(chemicalLiquids.poll());
                output.append(", ");
            }
            output.delete(output.length() - 2, output.length() - 1).append(System.lineSeparator());
        }

        if (physicalItems.isEmpty()) {
            output.append("Physical items left: none").append(System.lineSeparator());
        } else {
            output.append("Physical items left: ");
            while (!physicalItems.isEmpty()) {
                output.append(physicalItems.pop());
                output.append(", ");
            }
            output.delete(output.length() - 2, output.length() - 1).append(System.lineSeparator());
        }

        for (Map.Entry<String, Integer> entry : advancedMaterialReached.entrySet()) {
            output.append(entry.getKey()).append(": ").append(entry.getValue()).append(System.lineSeparator());
        }
        System.out.println(output.toString());
    }

    private static List<Integer> getInput(Scanner scanner) {
        return Arrays.stream(scanner.nextLine().split("\\s")).map(Integer::parseInt).collect(Collectors.toList());
    }
}