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 com.google.common.collect.HashMultimap;
  import com.google.common.collect.SetMultimap;
  import org.jetbrains.annotations.NotNull;
  import org.spongepowered.api.command.CommandCallable;
  import org.spongepowered.api.command.CommandException;
  import org.spongepowered.api.command.CommandResult;
  import org.spongepowered.api.command.CommandSource;
  import org.spongepowered.api.text.Text;
  import org.spongepowered.api.world.Location;
  import org.spongepowered.api.world.World;
  
  import javax.annotation.Nullable;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Optional;
  
  public class SpongeRootCommand implements CommandCallable, RootCommand {
  
      private final SpongeCommandManager manager;
      private final String name;
      private BaseCommand defCommand;
      private SetMultimap<String, RegisteredCommand> subCommands = HashMultimap.create();
      private List<BaseCommand> children = new ArrayList<>();
      boolean isRegistered = false;
  
      SpongeRootCommand(SpongeCommandManager manager, String name) {
          this.manager = manager;
          this.name = name;
      }
  
      @Override
      public String getCommandName() {
          return name;
      }
  
      @Override
      public CommandResult process(@NotNull CommandSource source, @NotNull String arguments) throws CommandException {
          String[] args = arguments.isEmpty() ? new String[0] : arguments.split(" ");
          return this.executeSponge(manager.getCommandIssuer(source), this.name, args);
      }
  
      @Override
      public List<String> getSuggestions(@NotNull CommandSource source, @NotNull String arguments, @Nullable Location<World> location) throws CommandException {
          String[] args = arguments.isEmpty() ? new String[]{""} : arguments.split(" ");
          return getTabCompletions(manager.getCommandIssuer(source), this.name, args);
      }
  
      @Override
      public boolean testPermission(@NotNull CommandSource source) {
          return this.hasAnyPermission(manager.getCommandIssuer(source));
      }
  
      @Override
      public Optional<Text> getShortDescription(@NotNull CommandSource source) {
          String description = getDescription();
          return description != null ? Optional.of(Text.of(description)) : Optional.empty();
      }
  
      @Override
      public Optional<Text> getHelp(@NotNull CommandSource source) {
          return Optional.empty();
      }
  
      @Override
      public Text getUsage(@NotNull CommandSource source) {
          String usage = getUsage();
          return usage != null ? Text.of(usage) : Text.of();
      }
  
      private CommandResult executeSponge(CommandIssuer sender, String commandLabel, String[] args) {
          BaseCommand cmd = execute(sender, commandLabel, args);
          SpongeCommandOperationContext lastContext = (SpongeCommandOperationContext) cmd.getLastCommandOperationContext();
          return lastContext != null ? lastContext.getResult() : CommandResult.success();
      }
  
      public void addChild(BaseCommand command) {
          if (this.defCommand == null || !command.subCommands.get(BaseCommand.DEFAULT).isEmpty()) {
              this.defCommand = command;
          }
          addChildShared(this.children, this.subCommands, command);
      }
  
      @Override
      public BaseCommand getDefCommand() {
          return defCommand;
      }
  
      @Override
      public CommandManager getManager() {
          return manager;
      }
  
      @Override
      public SetMultimap<String, RegisteredCommand> getSubCommands() {
          return subCommands;
      }
  
      @Override
      public List<BaseCommand> getChildren() {
          return children;
      }
  }
  