content: package emu.grasscutter.command.commands;
  
  import emu.grasscutter.Grasscutter;
  import emu.grasscutter.command.Command;
  import emu.grasscutter.command.CommandHandler;
  import emu.grasscutter.game.player.Player;
  
  import java.util.List;
  import java.util.Map;
  
  import static emu.grasscutter.utils.Language.translate;
  
  @Command(label = "list", aliases = {"players"}, usage = {"[<UID>]"}, targetRequirement = Command.TargetRequirement.NONE)
  public final class ListCommand implements CommandHandler {
  
      @Override
      public void execute(Player sender, Player targetPlayer, List<String> args) {
          Map<Integer, Player> playersMap = Grasscutter.getGameServer().getPlayers();
          boolean needUID = false;
  
          if (args.size() > 0) {
              needUID = args.get(0).equals("uid");
          }
  
          CommandHandler.sendMessage(sender, translate(sender, "commands.list.success", playersMap.size()));
  
          if (playersMap.size() != 0) {
              StringBuilder playerSet = new StringBuilder();
              boolean finalNeedUID = needUID;
  
              playersMap.values().forEach(player -> {
                  playerSet.append(player.getNickname());
  
                  if (finalNeedUID) {
                      if (sender != null) {
                          playerSet.append(" <color=green>(")
                                  .append(player.getUid())
                                  .append(")</color>");
                      } else {
                          playerSet.append(" (")
                                  .append(player.getUid())
                                  .append(")");
                      }
                  }
  
                  playerSet.append(", ");
              });
  
              String players = playerSet.toString();
              CommandHandler.sendMessage(sender, players.substring(0, players.length() - 2));
          }
      }
  }
  