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.ApacheCommonsExceptionUtil;
  import com.velocitypowered.api.command.CommandMeta;
  import com.velocitypowered.api.command.CommandSource;
  import com.velocitypowered.api.plugin.Plugin;
  import com.velocitypowered.api.plugin.PluginContainer;
  import com.velocitypowered.api.proxy.Player;
  import com.velocitypowered.api.proxy.ProxyServer;
  import net.kyori.adventure.text.format.NamedTextColor;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.lang.reflect.Method;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Locale;
  import java.util.Map;
  
  public class VelocityCommandManager extends
          CommandManager<CommandSource, VelocityCommandIssuer, NamedTextColor, VelocityMessageFormatter, VelocityCommandExecutionContext, VelocityConditionContext> {
  
      protected final ProxyServer proxy;
      protected final PluginContainer plugin;
      protected Map<String, VelocityRootCommand> registeredCommands = new HashMap<>();
      protected VelocityCommandContexts contexts;
      protected VelocityCommandCompletions completions;
      protected VelocityLocales locales;
  
      public VelocityCommandManager(ProxyServer proxy, Object plugin) {
          this.proxy = proxy;
          this.plugin = proxy.getPluginManager().getPlugin(plugin.getClass().getAnnotation(Plugin.class).id()).get();
          this.formatters.put(MessageType.ERROR, defaultFormatter = new VelocityMessageFormatter(NamedTextColor.RED, NamedTextColor.YELLOW, NamedTextColor.RED));
          this.formatters.put(MessageType.SYNTAX, new VelocityMessageFormatter(NamedTextColor.YELLOW, NamedTextColor.GREEN, NamedTextColor.WHITE));
          this.formatters.put(MessageType.INFO, new VelocityMessageFormatter(NamedTextColor.BLUE, NamedTextColor.DARK_GREEN, NamedTextColor.GREEN));
          this.formatters.put(MessageType.HELP, new VelocityMessageFormatter(NamedTextColor.AQUA, NamedTextColor.GREEN, NamedTextColor.YELLOW));
  
          getLocales();
  
          this.validNamePredicate = ACFVelocityUtil::isValidName;
  
          proxy.getEventManager().register(plugin, new ACFVelocityListener(this, this.plugin, proxy));
  
          registerDependency(plugin.getClass(), plugin);
          registerDependency(Plugin.class, plugin);
          registerDependency(ProxyServer.class, proxy);
      }
  
      public ProxyServer getProxy() {
          return this.proxy;
      }
  
      public PluginContainer getPlugin() {
          return this.plugin;
      }
  
      @Override
      public synchronized CommandContexts<VelocityCommandExecutionContext> getCommandContexts() {
          if (this.contexts == null) {
              this.contexts = new VelocityCommandContexts(proxy, this);
          }
          return contexts;
      }
  
      @Override
      public synchronized CommandCompletions<VelocityCommandCompletionContext> getCommandCompletions() {
          if (this.completions == null) {
              this.completions = new VelocityCommandCompletions(proxy, this);
          }
          return completions;
      }
  
      @Override
      public VelocityLocales getLocales() {
          if (this.locales == null) {
              this.locales = new VelocityLocales(this);
              this.locales.loadLanguages();
          }
          return locales;
      }
  
      public void readLocale(Player player) {
          if (!player.isActive()) {
              return;
          }
  
          //This can be null if we didn't receive a settings packet
          Locale locale = player.getPlayerSettings().getLocale();
          if (locale != null) {
              setIssuerLocale(player, player.getPlayerSettings().getLocale());
          }
      }
  
      @Override
      public void registerCommand(BaseCommand command) {
          registerCommand(command, false);
      }
  
      public void registerCommand(BaseCommand command, boolean force) {
          command.onRegister(this);
          for (Map.Entry<String, RootCommand> entry : command.registeredCommands.entrySet()) {
              String commandName = entry.getKey().toLowerCase(Locale.ENGLISH);
              VelocityRootCommand velocityCommand = (VelocityRootCommand) entry.getValue();
              if (!velocityCommand.isRegistered) {
                  if (force) {
                      proxy.getCommandManager().unregister(commandName);
                  }
                  CommandMeta meta = proxy.getCommandManager().metaBuilder(commandName).build();
                  proxy.getCommandManager().register(meta, velocityCommand);
              }
              velocityCommand.isRegistered = true;
              registeredCommands.put(commandName, velocityCommand);
          }
      }
  
      public void unregisterCommand(BaseCommand command) {
          for (Map.Entry<String, RootCommand> entry : command.registeredCommands.entrySet()) {
              String commandName = entry.getKey().toLowerCase(Locale.ENGLISH);
              VelocityRootCommand velocityCommand = (VelocityRootCommand) entry.getValue();
              velocityCommand.getSubCommands().values().removeAll(command.subCommands.values());
              if (velocityCommand.getSubCommands().isEmpty() && velocityCommand.isRegistered) {
                  unregisterCommand(velocityCommand);
                  velocityCommand.isRegistered = false;
                  registeredCommands.remove(commandName);
              }
          }
      }
  
      public void unregisterCommand(VelocityRootCommand command) {
          proxy.getCommandManager().unregister(command.getCommandName());
      }
  
      public void unregisterCommands() {
          for (Map.Entry<String, VelocityRootCommand> entry : registeredCommands.entrySet()) {
              unregisterCommand(entry.getValue());
          }
      }
  
      @Override
      public boolean hasRegisteredCommands() {
          return !registeredCommands.isEmpty();
      }
  
      @Override
      public boolean isCommandIssuer(Class<?> aClass) {
          return CommandSource.class.isAssignableFrom(aClass);
      }
  
      @Override
      public VelocityCommandIssuer getCommandIssuer(Object issuer) {
          if (!(issuer instanceof CommandSource)) {
              throw new IllegalArgumentException(issuer.getClass().getName() + " is not a Command Issuer.");
          }
          return new VelocityCommandIssuer(this, (CommandSource) issuer);
      }
  
      @Override
      public RootCommand createRootCommand(String cmd) {
          return new VelocityRootCommand(this, cmd);
      }
  
      @Override
      public Collection<RootCommand> getRegisteredRootCommands() {
          return Collections.unmodifiableCollection(registeredCommands.values());
      }
  
      @Override
      public VelocityCommandExecutionContext createCommandContext(RegisteredCommand command, CommandParameter parameter, CommandIssuer sender, List<String> args, int i, Map<String, Object> passedArgs) {
          return new VelocityCommandExecutionContext(command, parameter, (VelocityCommandIssuer) sender, args, i, passedArgs);
      }
  
      @Override
      public CommandCompletionContext createCompletionContext(RegisteredCommand command, CommandIssuer sender, String input, String config, String[] args) {
          return new VelocityCommandCompletionContext(command, (VelocityCommandIssuer) sender, input, config, args);
      }
  
      @Override
      public RegisteredCommand createRegisteredCommand(BaseCommand command, String cmdName, Method method, String prefSubCommand) {
          return new RegisteredCommand(command, cmdName, method, prefSubCommand);
      }
  
      @Override
      public VelocityConditionContext createConditionContext(CommandIssuer issuer, String config) {
          return new VelocityConditionContext((VelocityCommandIssuer) issuer, config);
      }
  
      @Override
      public void log(LogLevel level, String message, Throwable throwable) {
          // TODO: Find better solution
          Logger logger = LoggerFactory.getLogger(plugin.getClass());
          if (level == LogLevel.INFO) {
              logger.info(LogLevel.LOG_PREFIX + message);
          } else {
              logger.warn(LogLevel.LOG_PREFIX + message);
          }
  
          if (throwable != null) {
              for (String line : ACFPatterns.NEWLINE.split(ApacheCommonsExceptionUtil.getFullStackTrace(throwable))) {
                  if (level == LogLevel.INFO) {
                      logger.info(LogLevel.LOG_PREFIX + line);
                  } else {
                      logger.warn(LogLevel.LOG_PREFIX + line);
                  }
              }
          }
      }
  
  
      @Override
      public String getCommandPrefix(CommandIssuer issuer) {
          return issuer.isPlayer() ? "/" : "";
      }
  }
  