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.apachecommonslang.ApacheCommonsLangUtil;
  import com.velocitypowered.api.command.CommandSource;
  import com.velocitypowered.api.proxy.Player;
  import com.velocitypowered.api.proxy.ProxyServer;
  import net.kyori.adventure.text.format.NamedTextColor;
  import net.kyori.adventure.text.format.TextDecoration;
  import net.kyori.adventure.text.format.TextFormat;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.Set;
  import java.util.stream.Collectors;
  import java.util.stream.Stream;
  
  public class VelocityCommandCompletions extends CommandCompletions<VelocityCommandCompletionContext> {
  
      public VelocityCommandCompletions(ProxyServer server, CommandManager manager) {
          super(manager);
          registerAsyncCompletion("chatcolors", c -> {
              Stream<TextFormat> colors = NamedTextColor.NAMES.values().stream().map(namedTextColor -> namedTextColor);
              if (!c.hasConfig("colorsonly")) {
                  colors = Stream.concat(colors, Stream.of(TextDecoration.values()));
              }
              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.toString())));
              }
  
              return colors.map(color -> ACFUtil.simplifyString(color.toString())).collect(Collectors.toList());
          });
          registerCompletion("players", c -> {
              CommandSource sender = c.getSender();
              ACFVelocityUtil.validate(sender, "Sender cannot be null");
              String input = c.getInput();
  
              ArrayList<String> matchedPlayers = new ArrayList<>();
              for (Player player : server.getAllPlayers()) {
                  String name = player.getUsername();
                  if (ApacheCommonsLangUtil.startsWithIgnoreCase(name, input)) {
                      matchedPlayers.add(name);
                  }
              }
  
              matchedPlayers.sort(String.CASE_INSENSITIVE_ORDER);
              return matchedPlayers;
          });
      }
  }
  