1. Final Exam 04.04.2020 Problem 3. P!rates

package com.company;

import java.util.ArrayList;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Scanner;
import java.util.stream.Stream;

public class Main {

  static Map<String, List<Integer>> town = new HashMap<>();

  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String command = sc.nextLine();
    while (!"Sail".equals(command)) {
      String[] cups = command.split("[\\|]{2}");
      String nameTown = cups[0];
      int citizens = Integer.parseInt(cups[1]);
      int gold = Integer.parseInt(cups[2]);
      addTown(nameTown, citizens, gold);
      command = sc.nextLine();
    }
    command = sc.nextLine();
    while (!"End".equals(command)) {
      String[] cups2 = command.split("=>");
      switch (cups2[0]) {
        case "Plunder":
          String nameTown = cups2[1];
          int citizens = Integer.parseInt(cups2[2]);
          int gold = Integer.parseInt(cups2[3]);
          System.out.printf("%s plundered! %d gold stolen, %d citizens killed.%n",
              nameTown, citizens, gold);
          int oldCitizens = town.get(nameTown).get(0);
          int oldGold = town.get(nameTown).get(1);
          town.get(nameTown).set(0, oldCitizens - citizens);
          town.get(nameTown).set(1, oldGold - gold);
          if ((oldCitizens - citizens) <= 0 || (oldGold - gold) <= 0) {
            town.get(nameTown).clear();
            town.remove(nameTown);
            System.out.printf("%s has been wiped off the map!", nameTown);
          }
          break;
        case "Prosper":
          nameTown = cups2[1];
          gold = Integer.parseInt(cups2[2]);
          if (gold > 0) {
            oldGold = town.get(nameTown).get(1);
            int totalGold = oldGold + gold;
            town.get(nameTown).set(1, totalGold);
            System.out
                .printf("%d gold added to the city treasury. %s now has %s gold.", gold, nameTown,
                    totalGold);
          } else {
            System.out.println("Gold added cannot be a negative number!");
          }
          break;
      }
      command = sc.nextLine();
    }
    System.out.println(
        String.format("Ahoy, Captain! There are %d wealthy settlements to go to:", town.size()));
    town
        .entrySet()
        .stream()
        .sorted(Comparator.<Map.Entry<String, List<Integer>>>comparingInt(x -> x.getValue().get(1))
            .reversed()
            .thenComparing(Entry::getKey))
//        .sorted((entryA, entryB) -> {
//          int goldA = entryA.getValue().get(1);
//          int goldB = entryB.getValue().get(1);
//          String nameA = entryA.getKey();
//          String nameB = entryB.getKey();
//          if (goldA != goldB) {
//            return Integer.compare(goldB, goldA);
//          } else {
//            return nameA.compareTo(nameB);
//          }
//        })
        .forEach(entry -> System.out.println(String
            .format("%s -> Population: %d citizens, Gold: %d kg", entry.getKey(),
                entry.getValue().get(0), entry.getValue().get(1))));
  }

  private static void addTown(String name, int citizens, int gold) {
    if (town.containsKey(name)) {
      int oldCit = town.get(name).get(0);
      int oldGold = town.get(name).get(1);
      town.get(name).set(0, oldCit + citizens);
      town.get(name).set(1, oldGold + gold);
    } else {
      List<Integer> citAndgold = new ArrayList<>();
      citAndgold.add(0, citizens);
      citAndgold.add(1, gold);
      town.put(name, citAndgold);
    }
  }
}