package com.khalnayak.ktiers.command; import com.khalnayak.ktiers.KTiers; import com.khalnayak.ktiers.data.ActiveTest; import com.khalnayak.ktiers.data.Arena; import com.khalnayak.ktiers.data.ArenaSetupSession; import org.bukkit.Bukkit; import org.bukkit.command.Command; import org.bukkit.command.CommandExecutor; import org.bukkit.command.CommandSender; import org.bukkit.command.TabCompleter; import org.bukkit.entity.Player; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.UUID; import java.util.stream.Collectors; /** * Main command handler for /tier. * Dispatches sub-commands to their respective handlers. */ public class TierCommand implements CommandExecutor, TabCompleter { private final KTiers plugin; public TierCommand(KTiers plugin) { this.plugin = plugin; } @Override public boolean onCommand(CommandSender sender, Command command, String label, String[] args) { if (args.length == 0) { sendUsage(sender); return true; } String subCommand = args[0].toLowerCase(); switch (subCommand) { // Tester Commands case "start": handleStart(sender, args); break; case "end": handleEnd(sender, args); break; case "cancel": handleCancel(sender, args); break; case "next": handleNext(sender); break; case "invite": handleInvite(sender, args); break; // Admin Commands case "set": handleSet(sender, args); break; case "promote": handlePromote(sender, args); break; case "demote": handleDemote(sender, args); break; case "arena": handleArena(sender, args); break; case "reload": handleReload(sender); break; case "admin": handleAdmin(sender, args); break; case "discord": handleDiscord(sender); break; // Player Commands case "join": handleJoin(sender); break; case "leave": handleLeave(sender); break; case "queue": handleQueue(sender); break; case "menu": handleMenu(sender); break; case "accept": handleAccept(sender); break; case "placeholders": handlePlaceholders(sender); break; default: sendUsage(sender); break; } return true; } private void handleArena(CommandSender sender, String[] args) { if (!(sender instanceof Player player)) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-only")); return; } if (args.length < 2) { if (!player.hasPermission("ktiers.admin")) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.no-permission")); return; } sendArenaUsage(player); return; } String arenaSub = args[1].toLowerCase(); // Permission check if (arenaSub.equals("tp")) { if (!player.hasPermission("ktiers.arena.tp") && !player.hasPermission("ktiers.admin")) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.no-permission")); return; } } else if (!player.hasPermission("ktiers.admin")) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.no-permission")); return; } switch (arenaSub) { case "create" -> handleArenaCreate(player, args); case "pos1" -> handleArenaPos1(player); case "pos2" -> handleArenaPos2(player); case "setspawn" -> handleArenaSetSpawn(player, args); case "save" -> handleArenaSave(player); case "delete" -> handleArenaDelete(player, args); case "list" -> handleArenaList(player); case "tp" -> handleArenaTp(player, args); default -> sendArenaUsage(player); } } private void handleArenaCreate(Player player, String[] args) { if (args.length < 3) { player.sendMessage(plugin.getConfigManager().getMessage("arena.create-usage")); return; } String arenaName = args[2]; if (plugin.getArenaManager().arenaExists(arenaName)) { player.sendMessage(plugin.getConfigManager().getMessage("arena.already-exists") .replace("{name}", arenaName)); return; } plugin.getArenaManager().createSetupSession(player, arenaName); player.sendMessage(plugin.getConfigManager().getMessage("arena.create-started") .replace("{name}", arenaName)); } private void handleArenaPos1(Player player) { ArenaSetupSession session = plugin.getArenaManager().getSetupSession(player); if (session == null) { player.sendMessage(plugin.getConfigManager().getMessage("arena.no-setup-session")); return; } session.setPos1(player.getLocation()); player.sendMessage(plugin.getConfigManager().getMessage("arena.pos1-set") .replace("{x}", String.valueOf(player.getLocation().getBlockX())) .replace("{y}", String.valueOf(player.getLocation().getBlockY())) .replace("{z}", String.valueOf(player.getLocation().getBlockZ()))); } private void handleArenaPos2(Player player) { ArenaSetupSession session = plugin.getArenaManager().getSetupSession(player); if (session == null) { player.sendMessage(plugin.getConfigManager().getMessage("arena.no-setup-session")); return; } session.setPos2(player.getLocation()); player.sendMessage(plugin.getConfigManager().getMessage("arena.pos2-set") .replace("{x}", String.valueOf(player.getLocation().getBlockX())) .replace("{y}", String.valueOf(player.getLocation().getBlockY())) .replace("{z}", String.valueOf(player.getLocation().getBlockZ()))); } private void handleArenaSetSpawn(Player player, String[] args) { ArenaSetupSession session = plugin.getArenaManager().getSetupSession(player); if (session == null) { player.sendMessage(plugin.getConfigManager().getMessage("arena.no-setup-session")); return; } if (args.length < 3) { player.sendMessage(plugin.getConfigManager().getMessage("arena.setspawn-usage")); return; } String type = args[2].toLowerCase(); if (type.equals("tester")) { session.setTesterSpawn(player.getLocation()); player.sendMessage(plugin.getConfigManager().getMessage("arena.tester-spawn-set")); } else if (type.equals("player")) { session.setPlayerSpawn(player.getLocation()); player.sendMessage(plugin.getConfigManager().getMessage("arena.player-spawn-set")); } else { player.sendMessage(plugin.getConfigManager().getMessage("arena.setspawn-usage")); } } private void handleArenaSave(Player player) { ArenaSetupSession session = plugin.getArenaManager().getSetupSession(player); if (session == null) { player.sendMessage(plugin.getConfigManager().getMessage("arena.no-setup-session")); return; } if (!session.isComplete()) { player.sendMessage(plugin.getConfigManager().getMessage("arena.incomplete-setup")); return; } plugin.getArenaManager().saveArena(session); plugin.getArenaManager().removeSetupSession(player); player.sendMessage(plugin.getConfigManager().getMessage("arena.saved") .replace("{name}", session.getArenaName())); } private void handleArenaDelete(Player player, String[] args) { if (args.length < 3) { player.sendMessage(plugin.getConfigManager().getMessage("arena.delete-usage")); return; } String arenaName = args[2]; if (!plugin.getArenaManager().arenaExists(arenaName)) { player.sendMessage(plugin.getConfigManager().getMessage("arena.not-found") .replace("{name}", arenaName)); return; } if (plugin.getArenaManager().deleteArena(arenaName)) { player.sendMessage(plugin.getConfigManager().getMessage("arena.deleted") .replace("{name}", arenaName)); } else { player.sendMessage(plugin.getConfigManager().getMessage("arena.cannot-delete-occupied") .replace("{name}", arenaName)); } } private void handleArenaList(Player player) { List arenas = plugin.getArenaManager().getAllArenas(); if (arenas.isEmpty()) { player.sendMessage(plugin.getConfigManager().getMessage("arena.no-arenas")); return; } player.sendMessage(plugin.getConfigManager().getMessage("arena.list-header")); for (Arena arena : arenas) { String status = arena.isOccupied() ? plugin.getConfigManager().getMessageRaw("arena.status-occupied") : plugin.getConfigManager().getMessageRaw("arena.status-free"); player.sendMessage(plugin.getConfigManager().getMessage("arena.list-entry") .replace("{name}", arena.getName()) .replace("{status}", status)); } } private void handleArenaTp(Player player, String[] args) { if (args.length < 3) { player.sendMessage(plugin.getConfigManager().getMessage("arena.tp-usage")); return; } String arenaName = args[2]; ActiveTest test = plugin.getArenaManager().findTestByTester(player.getUniqueId()); if (test == null) { player.sendMessage(plugin.getConfigManager().getMessage("errors.not-in-test")); return; } if (plugin.getArenaManager().teleportTest(test, arenaName)) { player.sendMessage(plugin.getConfigManager().getMessage("arena.teleported") .replace("{name}", arenaName)); } else { player.sendMessage(plugin.getConfigManager().getMessage("errors.arena-unavailable") .replace("{name}", arenaName)); } } private void sendArenaUsage(Player player) { player.sendMessage("§b§m----------------§8§l[ §b§lARENA EDITOR §8§l]§b§m----------------"); player.sendMessage("§7 "); player.sendMessage(" §8» §b/tier arena create §8- §fBegin arena setup"); player.sendMessage(" §8» §b/tier arena pos1 §8- §fSet primary boundary"); player.sendMessage(" §8» §b/tier arena pos2 §8- §fSet secondary boundary"); player.sendMessage(" §8» §b/tier arena setspawn §8- §fSet spawn"); player.sendMessage(" §8» §b/tier arena save §8- §fCommit changes to database"); player.sendMessage(" §8» §b/tier arena delete §8- §fRemove an arena"); player.sendMessage(" §8» §b/tier arena list §8- §fView all active arenas"); player.sendMessage(" §8• §b/tier arena tp §8- §fWarp during active test"); player.sendMessage("§7 "); player.sendMessage("§b§m-------------------------------------------"); } private void handleStart(CommandSender sender, String[] args) { if (!sender.hasPermission("ktiers.tiertester")) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.no-permission")); return; } if (!(sender instanceof Player tester)) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-only")); return; } if (args.length < 2) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-not-found")); return; } Player target = Bukkit.getPlayer(args[1]); if (target == null || !target.isOnline()) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-not-found")); return; } if (plugin.getArenaManager().startTest(tester, target)) { sender.sendMessage(plugin.getConfigManager().getMessage("test.started") .replace("{tester}", tester.getName()) .replace("{player}", target.getName())); } else { sender.sendMessage(plugin.getConfigManager().getMessage("errors.no-available-arena")); } } private void handleEnd(CommandSender sender, String[] args) { if (!sender.hasPermission("ktiers.tiertester")) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.no-permission")); return; } if (!(sender instanceof Player tester)) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-only")); return; } if (args.length < 2) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-not-found")); return; } Player target = Bukkit.getPlayer(args[1]); if (target == null) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-not-found")); return; } if (!plugin.getArenaManager().hasActiveTest(target.getUniqueId())) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.no-active-test")); return; } plugin.getArenaManager().endTest(target.getUniqueId(), tester); } private void handleCancel(CommandSender sender, String[] args) { if (!sender.hasPermission("ktiers.tiertester")) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.no-permission")); return; } if (!(sender instanceof Player player)) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-only")); return; } UUID uuid = player.getUniqueId(); if (!plugin.getArenaManager().hasActiveTest(uuid)) { // Check if they are the tester ActiveTest test = plugin.getArenaManager().findTestByTester(uuid); if (test != null) { plugin.getArenaManager().cancelTest(test.getPlayerUuid(), "cancelled"); return; } sender.sendMessage(plugin.getConfigManager().getMessage("errors.not-in-test")); return; } plugin.getArenaManager().cancelTest(uuid, "cancelled"); } private void handleSet(CommandSender sender, String[] args) { if (!sender.hasPermission("ktiers.admin")) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.no-permission")); return; } if (args.length < 4) { sender.sendMessage("§cUsage: /tier set "); return; } Player target = Bukkit.getPlayer(args[1]); if (target == null || !target.isOnline()) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-offline")); return; } String tierType = args[2].toLowerCase(); String tierRank = args[3].toUpperCase(); if (!plugin.getTierManager().isValidTier(tierRank)) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.invalid-tier")); return; } plugin.getTierManager().setTier( target.getUniqueId(), target.getName(), tierRank, tierType, sender.getName() ).thenRun(() -> { sender.sendMessage(plugin.getConfigManager().getMessage("tier.set") .replace("{player}", target.getName()) .replace("{tier}", tierType + " " + tierRank) .replace("{admin}", sender.getName())); if (plugin.getConfigManager().broadcastTierSet()) { String message = target.getName() + " tier set to " + tierType + " " + tierRank + " by " + sender.getName(); Bukkit.broadcastMessage(plugin.getConfigManager().getBroadcastFormat(message)); } }); } private void handlePromote(CommandSender sender, String[] args) { if (!sender.hasPermission("ktiers.admin")) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.no-permission")); return; } if (args.length < 2) { sender.sendMessage("§cUsage: /tier promote "); return; } Player target = Bukkit.getPlayer(args[1]); if (target == null || !target.isOnline()) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-offline")); return; } plugin.getTierManager().promote(target.getUniqueId(), target.getName(), sender.getName()) .thenAccept(success -> { if (success) { plugin.getTierManager().getCurrentTier(target.getUniqueId()).thenAccept(newTier -> { sender.sendMessage(plugin.getConfigManager().getMessage("tier.promoted") .replace("{player}", target.getName()) .replace("{new}", newTier)); if (plugin.getConfigManager().broadcastPromotion()) { String message = target.getName() + " promoted to " + newTier; Bukkit.broadcastMessage(plugin.getConfigManager().getBroadcastFormat(message)); } }); } else { sender.sendMessage(plugin.getConfigManager().getMessage("errors.cannot-promote") .replace("{player}", target.getName())); } }); } private void handlePlaceholders(CommandSender sender) { sender.sendMessage(plugin.getConfigManager().getMessageRaw("placeholders.header")); sender.sendMessage(plugin.getConfigManager().getMessageRaw("placeholders.entry")); } private void handleJoin(CommandSender sender) { if (!(sender instanceof Player player)) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-only")); return; } if (plugin.getQueueManager().addToQueue(player)) { int pos = plugin.getQueueManager().getPosition(player.getUniqueId()); player.sendMessage(plugin.getConfigManager().getMessage("queue.joined") .replace("{pos}", String.valueOf(pos))); } else { player.sendMessage(plugin.getConfigManager().getMessage("queue.already-in")); } } private void handleLeave(CommandSender sender) { if (!(sender instanceof Player player)) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-only")); return; } if (plugin.getQueueManager().removeFromQueue(player)) { player.sendMessage(plugin.getConfigManager().getMessage("queue.left")); } else { player.sendMessage(plugin.getConfigManager().getMessage("queue.not-in")); } } private void handleQueue(CommandSender sender) { if (plugin.getQueueManager().getQueueSize() == 0) { sender.sendMessage(plugin.getConfigManager().getMessage("queue.empty")); return; } sender.sendMessage(plugin.getConfigManager().getMessage("queue.header")); List queue = plugin.getQueueManager().getQueue(); for (int i = 0; i < queue.size(); i++) { UUID uuid = queue.get(i); String name = Bukkit.getOfflinePlayer(uuid).getName(); sender.sendMessage(plugin.getConfigManager().getMessageRaw("queue.entry") .replace("{pos}", String.valueOf(i + 1)) .replace("{player}", name != null ? name : "Unknown")); } if (sender instanceof Player player) { int pos = plugin.getQueueManager().getPosition(player.getUniqueId()); if (pos > 0) { sender.sendMessage(plugin.getConfigManager().getMessage("queue.position") .replace("{pos}", String.valueOf(pos))); } } } private void handleNext(CommandSender sender) { if (!sender.hasPermission("ktiers.tiertester")) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.no-permission")); return; } if (!(sender instanceof Player tester)) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-only")); return; } while (plugin.getQueueManager().getQueueSize() > 0) { Player target = plugin.getQueueManager().getNextPlayer(); if (target == null || !target.isOnline()) { plugin.getQueueManager().removeFirst(); if (target != null) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-offline")); } continue; // Try the next player in queue } if (plugin.getArenaManager().hasActiveTest(target.getUniqueId())) { plugin.getQueueManager().removeFirst(); sender.sendMessage(plugin.getConfigManager().getMessage("errors.test-already-active")); continue; } if (plugin.getArenaManager().startTest(tester, target)) { plugin.getQueueManager().removeFirst(); sender.sendMessage(plugin.getConfigManager().getMessage("queue.next-player") .replace("{player}", target.getName())); return; } else { sender.sendMessage(plugin.getConfigManager().getMessage("errors.no-available-arena")); return; } } sender.sendMessage(plugin.getConfigManager().getMessage("queue.empty")); } private void handleInvite(CommandSender sender, String[] args) { if (!sender.hasPermission("ktiers.tiertester")) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.no-permission")); return; } if (!(sender instanceof Player tester)) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-only")); return; } if (args.length < 2) { sender.sendMessage("§cUsage: /tier invite "); return; } Player target = Bukkit.getPlayer(args[1]); if (!validateTargetPlayer(sender, target)) return; plugin.getInviteManager().sendInvite(tester, target); } private void handleAccept(CommandSender sender) { if (!(sender instanceof Player player)) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-only")); return; } plugin.getInviteManager().acceptInvite(player); } private void handleMenu(CommandSender sender) { if (!(sender instanceof Player player)) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-only")); return; } com.khalnayak.ktiers.gui.TierGui.openMenu(player, plugin); } private void handleDemote(CommandSender sender, String[] args) { if (!sender.hasPermission("ktiers.admin")) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.no-permission")); return; } if (args.length < 2) { sender.sendMessage("§cUsage: /tier demote "); return; } Player target = Bukkit.getPlayer(args[1]); if (target == null || !target.isOnline()) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-offline")); return; } plugin.getTierManager().demote(target.getUniqueId(), target.getName(), sender.getName()) .thenAccept(success -> { if (success) { plugin.getTierManager().getCurrentTier(target.getUniqueId()).thenAccept(newTier -> { sender.sendMessage(plugin.getConfigManager().getMessage("tier.demoted") .replace("{player}", target.getName()) .replace("{new}", newTier)); if (plugin.getConfigManager().broadcastDemotion()) { String message = target.getName() + " demoted to " + newTier; Bukkit.broadcastMessage(plugin.getConfigManager().getBroadcastFormat(message)); } }); } else { sender.sendMessage(plugin.getConfigManager().getMessage("errors.cannot-demote") .replace("{player}", target.getName())); } }); } private void handleReload(CommandSender sender) { if (!sender.hasPermission("ktiers.admin")) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.no-permission")); return; } plugin.getConfigManager().reload(); plugin.getDiscordManager().loadConfig(); sender.sendMessage(plugin.getConfigManager().getMessage("admin.reload")); } private void handleDiscord(CommandSender sender) { if (!(sender instanceof Player player)) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-only")); return; } if (!player.hasPermission("ktiers.admin")) { player.sendMessage(plugin.getConfigManager().getMessage("errors.no-permission")); return; } com.khalnayak.ktiers.gui.DiscordGui.openMenu(player, plugin); } private void handleAdmin(CommandSender sender, String[] args) { if (!sender.hasPermission("ktiers.admin")) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.no-permission")); return; } if (args.length < 2 || !args[1].equalsIgnoreCase("add")) { sender.sendMessage("§f§m-------------------------------------------"); sender.sendMessage("§c§lADMIN SUB-COMMANDS:"); sender.sendMessage(" §8» §b/tier admin add §8- §fGrant tester role"); sender.sendMessage("§f§m-------------------------------------------"); return; } if (args.length < 3) { sender.sendMessage("§cUsage: /tier admin add "); return; } Player target = Bukkit.getPlayer(args[2]); if (target == null) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-not-found")); return; } if (plugin.getLuckPermsManager() != null && plugin.getLuckPermsManager().isEnabled()) { plugin.getLuckPermsManager().addTester(target.getUniqueId()).thenRun(() -> { sender.sendMessage("§aAdded §6" + target.getName() + " §ato the tester group."); }); } else { sender.sendMessage("§cLuckPerms integration is not active!"); } } private boolean validateTargetPlayer(CommandSender sender, Player target) { if (target == null || !target.isOnline()) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.player-not-online")); return false; } if (plugin.getArenaManager().hasActiveTest(target.getUniqueId())) { sender.sendMessage(plugin.getConfigManager().getMessage("errors.test-already-active")); return false; } return true; } private void sendUsage(CommandSender sender) { sender.sendMessage("§b§m----------------§8§l[ §b§lK-TIERS HELP §8§l]§b§m----------------"); sender.sendMessage("§7 "); // Player Commands sender.sendMessage(" §8» §b/tier join §8- §fEnter the testing queue"); sender.sendMessage(" §8» §b/tier leave §8- §fExit the testing queue"); sender.sendMessage(" §8» §b/tier queue §8- §fShow who's waiting"); sender.sendMessage(" §8» §b/tier accept §8- §fAccept a test invitation"); sender.sendMessage(" §8» §b/tier menu §8- §fOpen your player dashboard"); sender.sendMessage(" §8» §b/tier placeholders §8- §fView available PAPI placeholders"); // Tester Commands if (sender.hasPermission("ktiers.tiertester")) { sender.sendMessage("§7 "); sender.sendMessage(" §b§lTESTER ACCESS:"); sender.sendMessage(" §8• §b/tier next §8- §fPick the next person in line"); sender.sendMessage(" §8• §b/tier invite

§8- §fInvite a player to test"); sender.sendMessage(" §8• §b/tier start

§8- §fForce start a session"); sender.sendMessage(" §8• §b/tier end

§8- §fMark a test as victory"); sender.sendMessage(" §8• §b/tier cancel §8- §fTerminate active session"); } // Admin Commands if (sender.hasPermission("ktiers.admin")) { sender.sendMessage("§7 "); sender.sendMessage(" §c§lADMINISTRATIVE:"); sender.sendMessage(" §8• §b/tier set

§8- §fOverride player's tier"); sender.sendMessage(" §8• §b/tier promote

§8- §fUpgrade player's tier"); sender.sendMessage(" §8• §b/tier demote

§8- §fLower player's tier"); sender.sendMessage(" §8• §b/tier admin add

§8- §fGive tester role"); sender.sendMessage(" §8• §b/tier arena §8- §fManage battle arenas"); sender.sendMessage(" §8• §b/tier discord §8- §fSetup webhook alerts"); sender.sendMessage(" §8• §b/tier reload §8- §fReload configurations"); } sender.sendMessage("§7 "); sender.sendMessage("§b§m-------------------------------------------"); sender.sendMessage("§8§oTip: Use /tier placeholders for PAPI information."); } @Override public List onTabComplete(CommandSender sender, Command command, String label, String[] args) { List completions = new ArrayList<>(); if (args.length == 1) { List subCommands = new ArrayList<>(); if (sender.hasPermission("ktiers.tiertester")) { subCommands.addAll(Arrays.asList("start", "end", "cancel", "next", "invite", "accept")); } if (sender.hasPermission("ktiers.admin")) { subCommands.addAll(Arrays.asList("set", "promote", "demote", "arena", "reload", "discord", "admin")); } else if (sender.hasPermission("ktiers.arena.tp")) { subCommands.add("arena"); } subCommands.addAll(Arrays.asList("join", "leave", "queue", "menu", "placeholders")); completions.addAll(subCommands.stream() .filter(s -> s.toLowerCase().startsWith(args[0].toLowerCase())) .distinct() .collect(Collectors.toList())); } else if (args.length == 2) { String sub = args[0].toLowerCase(); if (Arrays.asList("start", "end", "set", "promote", "demote", "invite", "admin").contains(sub)) { completions.addAll(Bukkit.getOnlinePlayers().stream() .map(Player::getName) .filter(name -> name.toLowerCase().startsWith(args[1].toLowerCase())) .collect(Collectors.toList())); } if (sub.equals("admin")) { completions.clear(); completions.add("add"); completions.removeIf(s -> !s.startsWith(args[1].toLowerCase())); } else if (sub.equals("arena")) { if (sender.hasPermission("ktiers.admin") || sender.hasPermission("ktiers.arena.tp")) { List subs = new ArrayList<>(); if (sender.hasPermission("ktiers.admin")) { subs.addAll(Arrays.asList("create", "pos1", "pos2", "setspawn", "save", "delete", "list")); } subs.add("tp"); completions.addAll(subs.stream() .filter(s -> s.startsWith(args[1].toLowerCase())) .collect(Collectors.toList())); } } } else if (args.length == 3) { String sub = args[0].toLowerCase(); if (sub.equals("set")) { // Suggest tier types (sword, axe, bow, etc.) completions.addAll(Arrays.asList("sword", "axe", "bow", "potions", "uhc", "smp", "nethopot", "sharp").stream() .filter(tierType -> tierType.toLowerCase().startsWith(args[2].toLowerCase())) .collect(Collectors.toList())); } else if (sub.equals("admin") && args[1].equalsIgnoreCase("add")) { completions.addAll(Bukkit.getOnlinePlayers().stream() .map(Player::getName) .filter(name -> name.toLowerCase().startsWith(args[2].toLowerCase())) .collect(Collectors.toList())); } else if (sub.equals("arena")) { String arenaSub = args[1].toLowerCase(); if (arenaSub.equals("setspawn")) { completions.addAll(Arrays.asList("tester", "player").stream() .filter(s -> s.startsWith(args[2].toLowerCase())) .collect(Collectors.toList())); } else if (arenaSub.equals("delete") || arenaSub.equals("tp")) { completions.addAll(plugin.getArenaManager().getAllArenas().stream() .map(Arena::getName) .filter(name -> name.toLowerCase().startsWith(args[2].toLowerCase())) .collect(Collectors.toList())); } } } else if (args.length == 4) { String sub = args[0].toLowerCase(); if (sub.equals("set")) { // Suggest tier ranks (HT1, HT2, etc.) completions.addAll(plugin.getConfigManager().getTierOrder().stream() .filter(tier -> tier.toLowerCase().startsWith(args[3].toLowerCase())) .collect(Collectors.toList())); } } return completions; } }