ManOWar_with_Array/MidExamRetake6August2019

package PastMidExams.MidExamRetake6August2019;

import java.util.Arrays;
import java.util.Scanner;

public class ManOWarArray {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int[] pirateShip = Arrays.stream(scanner.nextLine().split(">")).mapToInt(e -> Integer.parseInt(e)).toArray();
        int[] warShip = Arrays.stream(scanner.nextLine().split(">")).mapToInt(e -> Integer.parseInt(e)).toArray();

        int maxHealth = Integer.parseInt(scanner.nextLine());

        String command = scanner.nextLine();

        while(!command.equals("Retire")) {
            String[] tokens = command.split(" ");

            int damagePoints = 0;

            switch (tokens[0]) {
                case "Fire":
                    int indexToDamage = Integer.parseInt(tokens[1]);
                    damagePoints = Integer.parseInt(tokens[2]);

                    if (indexToDamage >= 0 && indexToDamage < warShip.length) {
                        warShip[indexToDamage] -= damagePoints;

                        if (warShip[indexToDamage] <= 0) {
                            System.out.println("You won! The enemy ship has sunken.");
                            return;
                        }
                    }
                    break;
                case "Defend":
                    int startIndex = Integer.parseInt(tokens[1]);
                    int endIndex = Integer.parseInt(tokens[2]);
                    damagePoints = Integer.parseInt(tokens[3]);

                    if (startIndex >= 0 && endIndex >= startIndex && endIndex <= pirateShip.length) {
                        for (int i = startIndex; i <= endIndex; i++) {
                            pirateShip[i] -= damagePoints;

                            if (pirateShip[i] <= 0) {
                                System.out.println("You lost! The pirate ship has sunken.");
                                return;
                            }
                        }
                    }
                    break;
                case "Repair":
                    int indexToRepair = Integer.parseInt(tokens[1]);
                    int health = Integer.parseInt(tokens[2]);

                    if (indexToRepair >= 0 && indexToRepair < pirateShip.length) {

                        if (pirateShip[indexToRepair] + health < maxHealth) {
                            pirateShip[indexToRepair] += health;
                        } else {
                            pirateShip[indexToRepair] = maxHealth;
                        }
                    }
                    break;
                case "Status":
                    int counter = 0;
                    for (int i = 0; i < pirateShip.length; i++) {
                        if (pirateShip[i] < (0.2 * maxHealth)) {
                            counter++;
                        }
                    }
                    System.out.printf("%d sections need repair.%n", counter);
                    break;
            }
            command = scanner.nextLine();
        }
        int pirateShipSum = Arrays.stream(pirateShip).sum();
        int warShipSum = Arrays.stream(warShip).sum();
        System.out.printf("Pirate ship status: %d%n", pirateShipSum);
        System.out.printf("Warship status: %d%n", warShipSum);
    }
}