JF-RegEx-Lab-05.NetherRealms

package com.company;

import java.util.Arrays;
import java.util.List;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

public class NetherRealms {
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);

        List<String> demons = Arrays.stream(sc.nextLine().split("[, ]+"))
                .sorted(String::compareTo)
                .collect(Collectors.toList());


        String healthRegex = "([^0-9+\\-\\*\\/.])";
        Pattern healthPattern = Pattern.compile(healthRegex);

        String damageRegex = "(-?\\d+\\.?\\d*)";
        Pattern damagePattern = Pattern.compile(damageRegex);

        String operationsRegex = "(\\*|\\/)";
        Pattern operationsPattern = Pattern.compile(operationsRegex);

        for (String demon : demons) {
            Matcher matcher = healthPattern.matcher(demon);
            int health = 0;

            while (matcher.find()) {
                health += matcher.group(1).charAt(0);
            }

            matcher = damagePattern.matcher(demon);
            double damage = 0.0;

            while (matcher.find()) {
                damage += Double.parseDouble(matcher.group(1));
            }

            matcher = operationsPattern.matcher(demon);
            while (matcher.find()) {
                if (matcher.group(1).equals("*")) {
                    damage *= 2;
                } else {
                    damage /= 2;
                }
            }

            System.out.printf("%s - %d health, %.2f damage%n", demon, health, damage);
        }


    }
}