JF-Exams-Concert

package com.company;

import java.util.*;

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

        Map<String, List<String>> bands = new LinkedHashMap<>();
        Map<String, Integer> bandPlayTime = new TreeMap<>();


        String input = sc.nextLine();

        while (!input.equals("start of concert")) {
            String[] tokens = input.split("[; |, ]{2}");
            String command = tokens[0];
            String bandName = tokens[1];
//            List<String> bandMembers = Arrays.asList(tokens[2].split(", "));

            if (command.equals("Add")) {

                for (int i = 2; i < tokens.length; i++) {

                    if (!bands.containsKey(bandName)) {
                        bands.put(bandName, new ArrayList<>());
                        bands.get(bandName).add(tokens[i]);
                    } else {
                        if (!bands.get(bandName).contains(tokens[i])) {
                            bands.get(bandName).add(tokens[i]);
                        }


                    }
                }
            } else {
                int time = Integer.parseInt(tokens[2]);
                if (!bandPlayTime.containsKey(bandName)) {
                    bandPlayTime.put(bandName, time);
                } else {
                    bandPlayTime.put(bandName, bandPlayTime.get(bandName) + time);
                }
            }
            input = sc.nextLine();
        }
            int totalTime = 0;
        for (Integer value : bandPlayTime.values()) {
            totalTime += value;
        }
        System.out.println("Total time: " + totalTime);
        bandPlayTime.entrySet().stream().sorted((f,s) -> {
            int result = s.getValue() - f.getValue();
            if (result == 0) {
                f.getKey().compareTo(s.getKey());
            }
            return result;
        }).forEach(entry -> System.out.printf("%s -> %d%n", entry.getKey(), entry.getValue()));

        String band = sc.nextLine();

        for (Map.Entry<String, List<String>> entry : bands.entrySet()) {
            if (entry.getKey().equals(band)) {
                System.out.println(entry.getKey());
                entry.getValue().forEach(s -> System.out.printf("=> %s%n", s));
            }

        }

    }
}