ServerLite/src/main/java/de/npid7/serverlite/TabCompleters/D7Completer.java

package de.npid7.serverlite.TabCompleters;

import de.npid7.serverlite.D7ServerLite;
import java.util.ArrayList;
import java.util.List;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.command.TabCompleter;
import org.bukkit.entity.Player;

public class D7Completer implements TabCompleter {
  @Override
  public List<String> onTabComplete(
      CommandSender sender, Command command, String alias, String[] args) {
    List<String> completions = new ArrayList<>();
    if (command.getName().equals("d7")) {
      if (!sender.hasPermission("d7.d7")) {
        return completions;
      }
      if (args.length == 1) {
        completions.add("config");
        completions.add("status");
        completions.add("wordlist");
      } else if (args.length == 2) {
        if (args[0].equals("config")) {
          completions.add("reload");
          completions.add("save");
        } else if (args[0].equals("status")) {
          for (Player pl : Bukkit.getOnlinePlayers()) {
            completions.add(pl.getName());
          }
        } else if (args[0].equals("wordlist")) {
          completions.add("add");
          completions.add("remove");
        }
      } else if (args.length == 3) {
        if (args[0].equals("status")) {
          completions.add("remove");
          completions.add("set");
        } else if (args[0].equals("wordlist")) {
          if (args[1].equals("remove")) {
            for (String s : D7ServerLite.getInst().getPluginConfig().getWordBlacklist().getList()) {
              completions.add(s);
            }
          }
        }
      } else if (args.length == 5) {
        if (args[2].equals("set")) {
          for (ChatColor c : ChatColor.values()) {
            if (c.isColor()) {
              completions.add(c.name());
            }
          }
        }
      }
    }

    return completions;
  }
}