content: /*
   * Copyright (c) 2016-2017 Daniel Ennis (Aikar) - MIT License
   *
   *  Permission is hereby granted, free of charge, to any person obtaining
   *  a copy of this software and associated documentation files (the
   *  "Software"), to deal in the Software without restriction, including
   *  without limitation the rights to use, copy, modify, merge, publish,
   *  distribute, sublicense, and/or sell copies of the Software, and to
   *  permit persons to whom the Software is furnished to do so, subject to
   *  the following conditions:
   *
   *  The above copyright notice and this permission notice shall be
   *  included in all copies or substantial portions of the Software.
   *
   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
   *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
   *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
   *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   */
  
  package co.aikar.commands;
  
  import co.aikar.commands.bukkit.contexts.OnlinePlayer;
  import org.apache.commons.lang.Validate;
  import org.bukkit.Bukkit;
  import org.bukkit.ChatColor;
  import org.bukkit.DyeColor;
  import org.bukkit.World;
  import org.bukkit.command.CommandSender;
  import org.bukkit.entity.EntityType;
  import org.bukkit.entity.Player;
  import org.bukkit.util.StringUtil;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Set;
  import java.util.stream.Collectors;
  import java.util.stream.Stream;
  
  @SuppressWarnings("WeakerAccess")
  public class BukkitCommandCompletions extends CommandCompletions<BukkitCommandCompletionContext> {
      public BukkitCommandCompletions(BukkitCommandManager manager) {
          super(manager);
          registerAsyncCompletion("mobs", c -> {
              final Stream<String> normal = Stream.of(EntityType.values())
                      .map(entityType -> ACFUtil.simplifyString(entityType.getName()));
              return normal.collect(Collectors.toList());
          });
          registerAsyncCompletion("chatcolors", c -> {
              Stream<ChatColor> colors = Stream.of(ChatColor.values());
              if (c.hasConfig("colorsonly")) {
                  colors = colors.filter(color -> color.ordinal() <= 0xF);
              }
              String filter = c.getConfig("filter");
              if (filter != null) {
                  Set<String> filters = Arrays.stream(ACFPatterns.COLON.split(filter))
                          .map(ACFUtil::simplifyString).collect(Collectors.toSet());
  
                  colors = colors.filter(color -> filters.contains(ACFUtil.simplifyString(color.name())));
              }
  
              return colors.map(color -> ACFUtil.simplifyString(color.name())).collect(Collectors.toList());
          });
          registerAsyncCompletion("dyecolors", c -> ACFUtil.enumNames(DyeColor.values()));
          registerCompletion("worlds", c -> (
                  Bukkit.getWorlds().stream().map(World::getName).collect(Collectors.toList())
          ));
  
          registerCompletion("players", c -> {
              CommandSender sender = c.getSender();
              Validate.notNull(sender, "Sender cannot be null");
  
              Player senderPlayer = sender instanceof Player ? (Player) sender : null;
  
              ArrayList<String> matchedPlayers = new ArrayList<>();
              for (Player player : Bukkit.getOnlinePlayers()) {
                  String name = player.getName();
                  if ((senderPlayer == null || senderPlayer.canSee(player)) && StringUtil.startsWithIgnoreCase(name, c.getInput())) {
                      matchedPlayers.add(name);
                  }
              }
  
  
              matchedPlayers.sort(String.CASE_INSENSITIVE_ORDER);
              return matchedPlayers;
          });
  
          setDefaultCompletion("players", OnlinePlayer.class, co.aikar.commands.contexts.OnlinePlayer.class, Player.class);
          setDefaultCompletion("worlds", World.class);
      }
  
  }
  