/**
   * Sets up the map. Make every region neutral with 2 armies to start with. Adds wastelands (> 2
   * armies on a neutral) if wastelandSize > 0.
   *
   * @param initMap : the map object that hasn't been set up yet, i.e. no armies yet
   * @param wastelandSize : the amount of armies that a wasteland contains
   * @return : the fully initialized and setup Map object
   */
  public static Map setupMap(Map initMap, int wastelandSize) {
    Map map = initMap;
    for (Region region : map.regions) {
      region.setPlayerName("neutral");
      region.setArmies(2);
    }
    if (wastelandSize > 0) {
      int nrOfWastelands =
          (int)
              (map.getSuperRegions().size()
                  / 2); // amount of wastelands is half of the amount of superRegions

      for (int i = 0; i < nrOfWastelands; i++) {
        double rand = Math.random();
        int index = (int) (rand * map.getRegions().size());
        Region wasteland = map.getRegions().get(index);

        if (wasteland.getArmies() > 2 && !roomForWasteland(wasteland.getSuperRegion())) {
          i--;
          continue;
        }

        wasteland.setArmies(wastelandSize);
      }
    }
    return map;
  }
 /**
  * @param map
  * @return : the string representation of given map's regions
  */
 private static String getRegionsString(Map map) {
   String regionsString = "setup_map regions";
   for (Region region : map.regions) {
     int id = region.getId();
     int superRegionId = region.getSuperRegion().getId();
     regionsString = regionsString.concat(" " + id + " " + superRegionId);
   }
   return regionsString;
 }