Saber-Factions/src/main/java/com/massivecraft/factions/SavageFactions.java

package com.massivecraft.factions;

import ch.njol.skript.Skript;
import ch.njol.skript.SkriptAddon;
import com.earth2me.essentials.Essentials;
import com.google.gson.GsonBuilder;
import com.google.gson.reflect.TypeToken;
import com.massivecraft.factions.cmd.CmdAutoHelp;
import com.massivecraft.factions.cmd.FCmdRoot;
import com.massivecraft.factions.integration.Econ;
import com.massivecraft.factions.integration.Worldguard;
import com.massivecraft.factions.integration.dynmap.EngineDynmap;
import com.massivecraft.factions.listeners.*;
import com.massivecraft.factions.struct.ChatMode;
import com.massivecraft.factions.util.*;
import com.massivecraft.factions.util.Particles.ReflectionUtils;
import com.massivecraft.factions.zcore.CommandVisibility;
import com.massivecraft.factions.zcore.MCommand;
import com.massivecraft.factions.zcore.MPlugin;
import com.massivecraft.factions.zcore.fperms.Access;
import com.massivecraft.factions.zcore.fperms.Permissable;
import com.massivecraft.factions.zcore.fperms.PermissableAction;
import com.massivecraft.factions.zcore.fupgrades.CropUpgrades;
import com.massivecraft.factions.zcore.fupgrades.EXPUpgrade;
import com.massivecraft.factions.zcore.fupgrades.FUpgradesGUI;
import com.massivecraft.factions.zcore.fupgrades.SpawnerUpgrades;
import com.massivecraft.factions.zcore.util.TextUtil;
import net.milkbowl.vault.economy.Economy;
import net.milkbowl.vault.permission.Permission;
import org.bukkit.*;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.configuration.ConfigurationSection;
import org.bukkit.entity.ArmorStand;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.Player;
import org.bukkit.event.Listener;
import org.bukkit.event.player.AsyncPlayerChatEvent;
import org.bukkit.inventory.Inventory;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;
import org.bukkit.plugin.Plugin;
import org.bukkit.plugin.RegisteredServiceProvider;

import java.io.*;
import java.lang.reflect.Modifier;
import java.lang.reflect.Type;
import java.util.*;
import java.util.logging.Level;
import java.util.stream.Collectors;


public class SavageFactions extends MPlugin {

	// Our single plugin instance.
	// Single 4 life.
	public static SavageFactions plugin;
	public static Permission perms = null;
	// This plugin sets the boolean true when fully enabled.
	// Plugins can check this boolean while hooking in have
	// a green light to use the api.
	public static boolean startupFinished = false;


	// Persistence related
	public static ArrayList<FPlayer> playersFlying = new ArrayList();
	public Essentials ess;
	public boolean PlaceholderApi;
	// Commands
	public FCmdRoot cmdBase;
	public CmdAutoHelp cmdAutoHelp;
	public boolean mc17 = false;
	public boolean mc18 = false;
	public boolean mc113 = false;
	public boolean useNonPacketParticles = false;
	public boolean factionsFlight = false;
	//multiversion material fields
	public Material SUGAR_CANE_BLOCK, BANNER, CROPS, REDSTONE_LAMP_ON,
			  STAINED_GLASS, STATIONARY_WATER, STAINED_CLAY, WOOD_BUTTON,
			  SOIL, MOB_SPANWER, THIN_GLASS, IRON_FENCE, NETHER_FENCE, FENCE,
			  WOODEN_DOOR, TRAP_DOOR, FENCE_GATE, BURNING_FURNACE, DIODE_BLOCK_OFF,
			  DIODE_BLOCK_ON, ENCHANTMENT_TABLE, FIREBALL;
	SkriptAddon skriptAddon;
	private boolean locked = false;
	private Integer AutoLeaveTask = null;
	private boolean hookedPlayervaults;
	private ClipPlaceholderAPIManager clipPlaceholderAPIManager;
	private boolean mvdwPlaceholderAPIManager = false;
	private Listener[] eventsListener;

	public SavageFactions() {
		plugin = this;
	}

	public boolean getLocked() {
		return this.locked;
	}

	public void setLocked(boolean val) {
		this.locked = val;
		this.setAutoSave(val);
	}

	public void playSoundForAll(String sound) {
		for (Player pl : Bukkit.getOnlinePlayers()) {
			playSound(pl, sound);
		}
	}

	public void playSoundForAll(List<String> sounds) {
		for (Player pl : Bukkit.getOnlinePlayers()) {
			playSound(pl, sounds);
		}
	}

	public void playSound(Player p, List<String> sounds) {
		for (String sound : sounds) {
			playSound(p, sound);
		}
	}

	public void playSound(Player p, String sound) {
		float pitch = Float.valueOf(sound.split(":")[1]);
		sound = sound.split(":")[0];
		p.playSound(p.getLocation(), Sound.valueOf(sound), pitch, 5.0F);
	}

	@Override
	public void onEnable() {
		log("==== Setup ====");


		// Vault dependency check.
		if (getServer().getPluginManager().getPlugin("Vault") == null) {
			log("Vault is not present, the plugin will not run properly.");
			getServer().getPluginManager().disablePlugin(plugin);
			return;
		}

		int version = Integer.parseInt(ReflectionUtils.PackageType.getServerVersion().split("_")[1]);
		if (version == 7) {
			SavageFactions.plugin.log("Minecraft Version 1.7 found, disabling banners, itemflags inside GUIs, and Titles.");
			mc17 = true;
		} else if (version == 8) {
			SavageFactions.plugin.log("Minecraft Version 1.8 found, Title Fadeouttime etc will not be configurable.");
			mc18 = true;
		} else if (version == 13) {
			SavageFactions.plugin.log("Minecraft Version 1.13 found, New Items will be used.");
			mc113 = true;
			changeItemIDSInConfig();
		}
		setupMultiversionMaterials();
		migrateFPlayerLeaders();
		log("==== End Setup ====");

		if (!preEnable()) {
			return;
		}
		this.loadSuccessful = false;

		saveDefaultConfig();

		// Load Conf from disk
		Conf.load();
		com.massivecraft.factions.integration.Essentials.setup();
		hookedPlayervaults = setupPlayervaults();
		FPlayers.getInstance().load();
		Factions.getInstance().load();

		for (FPlayer fPlayer : FPlayers.getInstance().getAllFPlayers()) {
			Faction faction = Factions.getInstance().getFactionById(fPlayer.getFactionId());
			if (faction == null) {
				log("Invalid faction id on " + fPlayer.getName() + ":" + fPlayer.getFactionId());
				fPlayer.resetFactionData(false);
				continue;
			}
			faction.addFPlayer(fPlayer);
		}
		playersFlying.clear();
		for (FPlayer fPlayer : FPlayers.getInstance().getAllFPlayers()) {
			playersFlying.add(fPlayer);
		}
		UtilFly.run();

		Board.getInstance().load();
		Board.getInstance().clean();

		// Add Base Commands
		this.cmdBase = new FCmdRoot();
		this.cmdAutoHelp = new CmdAutoHelp();
		this.getBaseCommands().add(cmdBase);

		Econ.setup();
		setupPermissions();

		if (Conf.worldGuardChecking || Conf.worldGuardBuildPriority) {
			Worldguard.init(this);
		}

		EngineDynmap.getInstance().init();

		// start up task which runs the autoLeaveAfterDaysOfInactivity routine
		startAutoLeaveTask(false);

		if (getConfig().getBoolean("MassiveStats")) {
			// massive stats
			new MassiveStats(this);
		}

		if (version > 8) {
			useNonPacketParticles = true;
			log("Minecraft Version 1.9 or higher found, using non packet based particle API");
		}

		if (getConfig().getBoolean("enable-faction-flight")) {
			factionsFlight = true;
		}

		if (getServer().getPluginManager().getPlugin("Skript") != null) {
			log("Skript was found! Registering SavageFactions Addon...");
			skriptAddon = Skript.registerAddon(this);
			try {
				skriptAddon.loadClasses("com.massivecraft.factions.skript", "expressions");
			} catch (IOException ex) {
				ex.printStackTrace();
			}
			log("Skript addon registered!");
		}


		// Register Event Handlers
		eventsListener = new Listener[]{
				  new FactionsPlayerListener(),
				  new FactionsChatListener(),
				  new FactionsEntityListener(),
				  new FactionsExploitListener(),
				  new FactionsBlockListener(),
				  new FUpgradesGUI(),
				  new EXPUpgrade(),
				  new CropUpgrades(),
				  new SpawnerUpgrades(),
		};

		for (Listener eventListener : eventsListener)
			getServer().getPluginManager().registerEvents(eventListener, this);

		// since some other plugins execute commands directly through this command interface, provide it
		getCommand(this.refCommand).setExecutor(this);
		getCommand(this.refCommand).setTabCompleter(this);

		setupEssentials();

		if (getDescription().getFullName().contains("BETA")) {
			divider();
			System.out.println("You are using a BETA version of the plugin!");
			System.out.println("This comes with risks of small bugs in newer features!");
			System.out.println("For support head to: https://github.com/ProSavage/SavageFactions/issues");
			divider();
		}

		this.setupPlaceholderAPI();
		this.postEnable();
		this.loadSuccessful = true;
		// Set startup finished to true. to give plugins hooking in a greenlight
		SavageFactions.startupFinished = true;
	}

	public SkriptAddon getSkriptAddon() {
		return skriptAddon;
	}

	private void setupMultiversionMaterials() {
		if (mc113) {
			BANNER = Material.valueOf("LEGACY_BANNER");
			CROPS = Material.valueOf("LEGACY_CROPS");
			SUGAR_CANE_BLOCK = Material.valueOf("LEGACY_SUGAR_CANE_BLOCK");
			REDSTONE_LAMP_ON = Material.valueOf("LEGACY_REDSTONE_LAMP_ON");
			STAINED_GLASS = Material.valueOf("LEGACY_STAINED_GLASS");
			STATIONARY_WATER = Material.valueOf("LEGACY_STATIONARY_WATER");
			STAINED_CLAY = Material.valueOf("LEGACY_STAINED_CLAY");
			WOOD_BUTTON = Material.valueOf("LEGACY_WOOD_BUTTON");
			SOIL = Material.valueOf("LEGACY_SOIL");
			MOB_SPANWER = Material.valueOf("LEGACY_MOB_SPAWNER");
			THIN_GLASS = Material.valueOf("LEGACY_THIN_GLASS");
			IRON_FENCE = Material.valueOf("LEGACY_IRON_FENCE");
			NETHER_FENCE = Material.valueOf("LEGACY_NETHER_FENCE");
			FENCE = Material.valueOf("LEGACY_FENCE");
			WOODEN_DOOR = Material.valueOf("LEGACY_WOODEN_DOOR");
			TRAP_DOOR = Material.valueOf("LEGACY_TRAP_DOOR");
			FENCE_GATE = Material.valueOf("LEGACY_FENCE_GATE");
			BURNING_FURNACE = Material.valueOf("LEGACY_BURNING_FURNACE");
			DIODE_BLOCK_OFF = Material.valueOf("LEGACY_DIODE_BLOCK_OFF");
			DIODE_BLOCK_ON = Material.valueOf("LEGACY_DIODE_BLOCK_ON");
			ENCHANTMENT_TABLE = Material.valueOf("LEGACY_ENCHANTMENT_TABLE");
			FIREBALL = Material.valueOf("LEGACY_FIREBALL");

		} else {
			if (!mc17) {
				BANNER = Material.valueOf("BANNER");
			}
			CROPS = Material.valueOf("CROPS");
			SUGAR_CANE_BLOCK = Material.valueOf("SUGAR_CANE_BLOCK");
			REDSTONE_LAMP_ON = Material.valueOf("REDSTONE_LAMP_ON");
			STAINED_GLASS = Material.valueOf("STAINED_GLASS");
			STATIONARY_WATER = Material.valueOf("STATIONARY_WATER");
			STAINED_CLAY = Material.valueOf("STAINED_CLAY");
			WOOD_BUTTON = Material.valueOf("WOOD_BUTTON");
			SOIL = Material.valueOf("SOIL");
			MOB_SPANWER = Material.valueOf("MOB_SPAWNER");
			THIN_GLASS = Material.valueOf("THIN_GLASS");
			IRON_FENCE = Material.valueOf("IRON_FENCE");
			NETHER_FENCE = Material.valueOf("NETHER_FENCE");
			FENCE = Material.valueOf("FENCE");
			WOODEN_DOOR = Material.valueOf("WOODEN_DOOR");
			TRAP_DOOR = Material.valueOf("TRAP_DOOR");
			FENCE_GATE = Material.valueOf("FENCE_GATE");
			BURNING_FURNACE = Material.valueOf("BURNING_FURNACE");
			DIODE_BLOCK_OFF = Material.valueOf("DIODE_BLOCK_OFF");
			DIODE_BLOCK_ON = Material.valueOf("DIODE_BLOCK_ON");
			ENCHANTMENT_TABLE = Material.valueOf("ENCHANTMENT_TABLE");
			FIREBALL = Material.valueOf("FIREBALL");
		}

	}

	private void setupPlaceholderAPI() {
		Plugin clip = getServer().getPluginManager().getPlugin("PlaceholderAPI");
		if (clip != null && clip.isEnabled()) {
			this.clipPlaceholderAPIManager = new ClipPlaceholderAPIManager();
			if (this.clipPlaceholderAPIManager.register()) {
				PlaceholderApi = true;
				log(Level.INFO, "Successfully registered placeholders with PlaceholderAPI.");
			} else {
				PlaceholderApi = false;
			}
		} else {
			PlaceholderApi = false;
		}

		Plugin mvdw = getServer().getPluginManager().getPlugin("MVdWPlaceholderAPI");
		if (mvdw != null && mvdw.isEnabled()) {
			this.mvdwPlaceholderAPIManager = true;
			log(Level.INFO, "Found MVdWPlaceholderAPI. Adding hooks.");
		}
	}

	private void migrateFPlayerLeaders() {
		List<String> lines = new ArrayList<>();
		File fplayerFile = new File("plugins\\Factions\\players.json");

		try {
			BufferedReader br = new BufferedReader(new FileReader(fplayerFile));
			System.out.println("Migrating old players.json file.");

			String line;
			while ((line = br.readLine()) != null) {
				if (line.contains("\"role\": \"ADMIN\"")) {
					line = line.replace("\"role\": \"ADMIN\"", "\"role\": " + "\"LEADER\"");
				}
				lines.add(line);
			}
			br.close();
			BufferedWriter bw = new BufferedWriter(new FileWriter(fplayerFile));
			for (String newLine : lines) {
				bw.write(newLine + "\n");
			}
			bw.flush();
			bw.close();
		} catch (IOException ex) {
			System.out.println("File was not found for players.json, assuming"
					  + " there is no need to migrate old players.json file.");
		}
	}

	public void changeItemIDSInConfig() {
		log("Starting conversion of legacy material in config to 1.13 materials.");

		replaceStringInConfig("fperm-gui.relation.materials.recruit", "WOOD_SWORD", "WOODEN_SWORD");
		replaceStringInConfig("fperm-gui.relation.materials.normal", "GOLD_SWORD", "GOLDEN_SWORD");
		replaceStringInConfig("fperm-gui.relation.materials.ally", "GOLD_AXE", "GOLDEN_AXE");
		replaceStringInConfig("fperm-gui.relation.materials.neutral", "WOOD_AXE", "WOODEN_AXE");

		ConfigurationSection actionMaterialsConfigSection = getConfig().getConfigurationSection("fperm-gui.action.materials");
		Set<String> actionMaterialKeys = actionMaterialsConfigSection.getKeys(true);


		for (String key : actionMaterialKeys) {
			replaceStringInConfig("fperm-gui.action.materials." + key, "STAINED_GLASS", "GRAY_STAINED_GLASS");
		}

		replaceStringInConfig("fperm-gui.dummy-items.0.material", "STAINED_GLASS_PANE", "GRAY_STAINED_GLASS_PANE");
		replaceStringInConfig("fwarp-gui.dummy-items.0.material", "STAINED_GLASS_PANE", "GRAY_STAINED_GLASS_PANE");

		replaceStringInConfig("fupgrades.MainMenu.DummyItem.Type", "STAINED_GLASS_PANE", "GRAY_STAINED_GLASS_PANE");
		replaceStringInConfig("fupgrades.MainMenu.EXP.EXPItem.Type", "EXP_BOTTLE", "EXPERIENCE_BOTTLE");
		replaceStringInConfig("fupgrades.MainMenu.Spawners.SpawnerItem.Type", "MOB_SPAWNER", "SPAWNER");

		replaceStringInConfig("fperm-gui.action.access.allow", "LIME", "LIME_STAINED_GLASS");
		replaceStringInConfig("fperm-gui.action.access.deny", "RED", "RED_STAINED_GLASS");
		replaceStringInConfig("fperm-gui.action.access.undefined", "CYAN", "CYAN_STAINED_GLASS");
	}

	public void replaceStringInConfig(String path, String stringToReplace, String replacementString) {
		if (getConfig().getString(path).equals(stringToReplace)) {
			// SavageFactions.plugin.log("Replacing legacy material '" + stringToReplace + "' with '" + replacementString + "' for config node '" + path + "'.");
			// log("Replacing legacy material '" + stringToReplace + "' with '" + replacementString + "' for config node '" + path + "'.");

			getConfig().set(path, replacementString);
		}
	}

	public boolean isClipPlaceholderAPIHooked() {
		return this.clipPlaceholderAPIManager != null;
	}

	public boolean isMVdWPlaceholderAPIHooked() {
		return this.mvdwPlaceholderAPIManager;
	}

	private boolean setupPermissions() {
		try {
			RegisteredServiceProvider<Permission> rsp = getServer().getServicesManager().getRegistration(Permission.class);
			if (rsp != null) {
				perms = rsp.getProvider();
			}
		} catch (NoClassDefFoundError ex) {
			return false;
		}
		return perms != null;
	}

	private boolean setupPlayervaults() {
		Plugin plugin = getServer().getPluginManager().getPlugin("PlayerVaults");
		return plugin != null && plugin.isEnabled();
	}

	@Override
	public GsonBuilder getGsonBuilder() {
		Type mapFLocToStringSetType = new TypeToken<Map<FLocation, Set<String>>>() {
		}.getType();

		Type accessTypeAdatper = new TypeToken<Map<Permissable, Map<PermissableAction, Access>>>() {
		}.getType();

		return new GsonBuilder().setPrettyPrinting().disableHtmlEscaping().enableComplexMapKeySerialization().excludeFieldsWithModifiers(Modifier.TRANSIENT, Modifier.VOLATILE)
				  .registerTypeAdapter(accessTypeAdatper, new PermissionsMapTypeAdapter())
				  .registerTypeAdapter(LazyLocation.class, new MyLocationTypeAdapter())
				  .registerTypeAdapter(mapFLocToStringSetType, new MapFLocToStringSetTypeAdapter())
				  .registerTypeAdapter(Inventory.class, new InventoryTypeAdapter())
				  .registerTypeAdapter(Location.class, new LocationTypeAdapter())
				  .registerTypeAdapterFactory(EnumTypeAdapter.ENUM_FACTORY);
	}

	private void divider() {
		System.out.println("  .-.-.   .-.-.   .-.-.   .-.-.   .-.-.   .-.-.   .-.-.   .-.-");
		System.out.println(" / / \\ \\ / / \\ \\ / / \\ \\ / / \\ \\ / / \\ \\ / / \\ \\ / / \\ \\ / / \\");
		System.out.println("`-'   `-`-'   `-`-'   `-`-'   `-`-'   `-`-'   `-`-'   `-`-'");
	}

	@Override
	public void onDisable() {
		// only save data if plugin actually completely loaded successfully
		if (this.loadSuccessful) {
			// Dont save, as this is kind of pointless, as the /f config command manually saves.
			// So any edits done are saved, this way manual edits to json can go through.

			// Conf.save();
		}

		if (AutoLeaveTask != null) {
			this.getServer().getScheduler().cancelTask(AutoLeaveTask);
			AutoLeaveTask = null;
		}

		super.onDisable();
	}

	public void startAutoLeaveTask(boolean restartIfRunning) {
		if (AutoLeaveTask != null) {
			if (!restartIfRunning) {
				return;
			}
			this.getServer().getScheduler().cancelTask(AutoLeaveTask);
		}

		if (Conf.autoLeaveRoutineRunsEveryXMinutes > 0.0) {
			long ticks = (long) (20 * 60 * Conf.autoLeaveRoutineRunsEveryXMinutes);
			AutoLeaveTask = getServer().getScheduler().scheduleSyncRepeatingTask(this, new AutoLeaveTask(), ticks, ticks);
		}
	}

	@Override
	public void postAutoSave() {
		//Board.getInstance().forceSave(); Not sure why this was there as it's called after the board is already saved.
		Conf.save();
	}

	public ItemStack createItem(Material material, int amount, short datavalue, String name, List<String> lore) {
       ItemStack item = new ItemStack(MultiversionMaterials.fromString(material.toString()).parseMaterial(), amount, datavalue);
		ItemMeta meta = item.getItemMeta();
		meta.setDisplayName(color(name));
		meta.setLore(colorList(lore));
		item.setItemMeta(meta);
		return item;
	}

	public ItemStack createLazyItem(Material material, int amount, short datavalue, String name, String lore) {
		ItemStack item = new ItemStack(material, amount, datavalue);
		ItemMeta meta = item.getItemMeta();
		meta.setDisplayName(color(SavageFactions.plugin.getConfig().getString(name)));
		meta.setLore(colorList(SavageFactions.plugin.getConfig().getStringList(lore)));
		item.setItemMeta(meta);
		return item;
	}

	public Economy getEcon() {
		RegisteredServiceProvider<Economy> rsp = SavageFactions.plugin.getServer().getServicesManager().getRegistration(Economy.class);
		Economy econ = rsp.getProvider();
		return econ;
	}

	private boolean setupEssentials() {
		SavageFactions.plugin.ess = (Essentials) this.getServer().getPluginManager().getPlugin("Essentials");
		return SavageFactions.plugin.ess == null;
	}

	@Override
	public boolean logPlayerCommands() {
		return Conf.logPlayerCommands;
	}

	@Override
	public boolean handleCommand(CommandSender sender, String commandString, boolean testOnly) {
		return sender instanceof Player && FactionsPlayerListener.preventCommand(commandString, (Player) sender) || super.handleCommand(sender, commandString, testOnly);
	}

	@Override
	public boolean onCommand(CommandSender sender, Command command, String label, String[] split) {
		if (split.length == 0) {
			return handleCommand(sender, "/f help", false);
		}

		// otherwise, needs to be handled; presumably another plugin directly ran the command
		String cmd = Conf.baseCommandAliases.isEmpty() ? "/f" : "/" + Conf.baseCommandAliases.get(0);
		return handleCommand(sender, cmd + " " + TextUtil.implode(Arrays.asList(split), " "), false);
	}

	@Override
	public List<String> onTabComplete(CommandSender sender, Command command, String alias, String[] args) {
		FPlayer fPlayer = FPlayers.getInstance().getByPlayer((Player) sender);
		List<String> completions = new ArrayList<>();
		String cmd = Conf.baseCommandAliases.isEmpty() ? "/f" : "/" + Conf.baseCommandAliases.get(0);
		List<String> argsList = new ArrayList<>(Arrays.asList(args));
		argsList.remove(argsList.size() - 1);
		String cmdValid = (cmd + " " + TextUtil.implode(argsList, " ")).trim();
		MCommand<?> commandEx = cmdBase;
		List<MCommand<?>> commandsList = cmdBase.subCommands;

		if (Board.getInstance().getFactionAt(new FLocation(fPlayer.getPlayer().getLocation())) == Factions.getInstance().getWarZone()) {
			sender.sendMessage(ChatColor.translateAlternateColorCodes('&', "&cYou cannot use autocomplete in warzone."));
			return new ArrayList<>();
		}

		for (; !commandsList.isEmpty() && !argsList.isEmpty(); argsList.remove(0)) {
			String cmdName = argsList.get(0).toLowerCase();
			MCommand<?> commandFounded = commandsList.stream()
					  .filter(c -> c.aliases.contains(cmdName))
					  .findFirst().orElse(null);

			if (commandFounded != null) {
				commandEx = commandFounded;
				commandsList = commandFounded.subCommands;
			} else break;
		}

		if (argsList.isEmpty()) {
			for (MCommand<?> subCommand : commandEx.subCommands) {
				subCommand.setCommandSender(sender);
				if (handleCommand(sender, cmdValid + " " + subCommand.aliases.get(0), true)
						  && subCommand.visibility != CommandVisibility.INVISIBLE
						  && subCommand.validSenderType(sender, false)
						  && subCommand.validSenderPermissions(sender, false))
					completions.addAll(subCommand.aliases);
			}
		}

		String lastArg = args[args.length - 1].toLowerCase();

		completions = completions.stream()
				  .filter(m -> m.toLowerCase().startsWith(lastArg))
				  .collect(Collectors.toList());

		return completions;
	}

	public void createTimedHologram(final Location location, String text, Long timeout) {
		ArmorStand as = (ArmorStand) location.add(0.5, 1, 0.5).getWorld().spawnEntity(location, EntityType.ARMOR_STAND); //Spawn the ArmorStand
		as.setVisible(false); //Makes the ArmorStand invisible
		as.setGravity(false); //Make sure it doesn't fall
		as.setCanPickupItems(false); //I'm not sure what happens if you leave this as it is, but you might as well disable it
		as.setCustomName(SavageFactions.plugin.color(text)); //Set this to the text you want
		as.setCustomNameVisible(true); //This makes the text appear no matter if your looking at the entity or not
		final ArmorStand armorStand = as;

		Bukkit.getScheduler().scheduleSyncDelayedTask(SavageFactions.plugin, () -> {
					  armorStand.remove();
					  getLogger().info("Removing Hologram.");
				  }
				  , timeout * 20);
	}


	// -------------------------------------------- //
	// Functions for other plugins to hook into
	// -------------------------------------------- //

	// This value will be updated whenever new hooks are added
	public int hookSupportVersion() {
		return 3;
	}

	// If another plugin is handling insertion of chat tags, this should be used to notify Factions
	public void handleFactionTagExternally(boolean notByFactions) {
		Conf.chatTagHandledByAnotherPlugin = notByFactions;
	}

	// Simply put, should this chat event be left for Factions to handle? For now, that means players with Faction Chat
	// enabled or use of the Factions f command without a slash; combination of isPlayerFactionChatting() and isFactionsCommand()

	public boolean shouldLetFactionsHandleThisChat(AsyncPlayerChatEvent event) {
		return event != null && (isPlayerFactionChatting(event.getPlayer()) || isFactionsCommand(event.getMessage()));
	}


	// Does player have Faction Chat enabled? If so, chat plugins should preferably not do channels,
	// local chat, or anything else which targets individual recipients, so Faction Chat can be done
	public boolean isPlayerFactionChatting(Player player) {
		if (player == null) {
			return false;
		}
		FPlayer me = FPlayers.getInstance().getByPlayer(player);

		return me != null && me.getChatMode().isAtLeast(ChatMode.ALLIANCE);
	}

	// Is this chat message actually a Factions command, and thus should be left alone by other plugins?

	// TODO: GET THIS BACK AND WORKING

	public boolean isFactionsCommand(String check) {
		return !(check == null || check.isEmpty()) && this.handleCommand(null, check, true);
	}

	// Get a player's faction tag (faction name), mainly for usage by chat plugins for local/channel chat
	public String getPlayerFactionTag(Player player) {
		return getPlayerFactionTagRelation(player, null);
	}

	// Same as above, but with relation (enemy/neutral/ally) coloring potentially added to the tag
	public String getPlayerFactionTagRelation(Player speaker, Player listener) {
		String tag = "~";

		if (speaker == null) {
			return tag;
		}

		FPlayer me = FPlayers.getInstance().getByPlayer(speaker);
		if (me == null) {
			return tag;
		}

		// if listener isn't set, or config option is disabled, give back uncolored tag
		if (listener == null || !Conf.chatTagRelationColored) {
			tag = me.getChatTag().trim();
		} else {
			FPlayer you = FPlayers.getInstance().getByPlayer(listener);
			if (you == null) {
				tag = me.getChatTag().trim();
			} else  // everything checks out, give the colored tag
			{
				tag = me.getChatTag(you).trim();
			}
		}
		if (tag.isEmpty()) {
			tag = "~";
		}

		return tag;
	}

	// Get a player's title within their faction, mainly for usage by chat plugins for local/channel chat
	public String getPlayerTitle(Player player) {
		if (player == null) {
			return "";
		}

		FPlayer me = FPlayers.getInstance().getByPlayer(player);
		if (me == null) {
			return "";
		}

		return me.getTitle().trim();
	}

	public String color(String line) {
		line = ChatColor.translateAlternateColorCodes('&', line);
		return line;
	}

	//colors a string list
	public List<String> colorList(List<String> lore) {
		for (int i = 0; i <= lore.size() - 1; i++) {
			lore.set(i, color(lore.get(i)));
		}
		return lore;
	}

	// Get a list of all faction tags (names)
	public Set<String> getFactionTags() {
		return Factions.getInstance().getFactionTags();
	}

	// Get a list of all players in the specified faction
	public Set<String> getPlayersInFaction(String factionTag) {
		Set<String> players = new HashSet<>();
		Faction faction = Factions.getInstance().getByTag(factionTag);
		if (faction != null) {
			for (FPlayer fplayer : faction.getFPlayers()) {
				players.add(fplayer.getName());
			}
		}
		return players;
	}

	// Get a list of all online players in the specified faction
	public Set<String> getOnlinePlayersInFaction(String factionTag) {
		Set<String> players = new HashSet<>();
		Faction faction = Factions.getInstance().getByTag(factionTag);
		if (faction != null) {
			for (FPlayer fplayer : faction.getFPlayersWhereOnline(true)) {
				players.add(fplayer.getName());
			}
		}
		return players;
	}

	public boolean isHookedPlayervaults() {
		return hookedPlayervaults;
	}

	public String getPrimaryGroup(OfflinePlayer player) {
		return perms == null || !perms.hasGroupSupport() ? " " : perms.getPrimaryGroup(Bukkit.getWorlds().get(0).toString(), player);
	}

	public void debug(Level level, String s) {
		if (getConfig().getBoolean("debug", false)) {
			getLogger().log(level, s);
		}
	}

	public void debug(String s) {
		debug(Level.INFO, s);
	}
}