package me.StevenLawson.TotalFreedomMod.util;

import java.io.File;
import java.io.FileFilter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.lang.reflect.Field;
import java.net.URL;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Random;
import java.util.Set;
import java.util.UUID;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import me.StevenLawson.TotalFreedomMod.Log;
import me.StevenLawson.TotalFreedomMod.TotalFreedomMod;
import me.StevenLawson.TotalFreedomMod.admin.AdminList;
import me.StevenLawson.TotalFreedomMod.ban.Ban;
import me.StevenLawson.TotalFreedomMod.ban.BanManager;
import me.StevenLawson.TotalFreedomMod.config.Configuration;
import me.StevenLawson.TotalFreedomMod.config.ConfigurationEntry;
import me.StevenLawson.TotalFreedomMod.discord.bridge.DiscordBridge;
import me.StevenLawson.TotalFreedomMod.manager.UUIDManager;
import me.StevenLawson.TotalFreedomMod.player.Player;
import me.StevenLawson.TotalFreedomMod.player.PlayerData;
import me.StevenLawson.TotalFreedomMod.player.PlayerList;
import me.StevenLawson.TotalFreedomMod.player.PlayerRank;
import net.md_5.bungee.api.chat.BaseComponent;
import net.md_5.bungee.api.chat.TextComponent;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.GameMode;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.OfflinePlayer;
import org.bukkit.SkullType;
import org.bukkit.World;
import org.bukkit.block.Block;
import org.bukkit.block.Skull;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Boat;
import org.bukkit.entity.Creature;
import org.bukkit.entity.EnderCrystal;
import org.bukkit.entity.EnderSignal;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.ExperienceOrb;
import org.bukkit.entity.Explosive;
import org.bukkit.entity.FallingBlock;
import org.bukkit.entity.Firework;
import org.bukkit.entity.Item;
import org.bukkit.entity.Minecart;
import org.bukkit.entity.Projectile;
import org.bukkit.plugin.Plugin;
import org.bukkit.util.FileUtil;

public class Utilities {

	private static final Map<String, Integer> ejectTracker = new HashMap<String, Integer>();
	public static final Map<String, EntityType> mobtypes = new HashMap<String, EntityType>();
	// See https://github.com/TotalFreedom/License - None of the listed names may be removed.
	public static final List<String> DEVELOPERS = Arrays.asList("Madgeek1450", "Prozza",
		"DarthSalmon", "AcidicCyanide", "Wild1145", "WickedGamingUK", "G6_", "videogamesm12",
		"maniaplay", "evanbt");
	private static final Random RANDOM = new Random();
	public static String DATE_STORAGE_FORMAT = "EEE, d MMM yyyy HH:mm:ss Z";
	public static final Map<String, ChatColor> CHAT_COLOR_NAMES = new HashMap<String, ChatColor>();
	public static final List<ChatColor> CHAT_COLOR_POOL = Arrays.asList(
		ChatColor.DARK_BLUE,
		ChatColor.DARK_GREEN,
		ChatColor.DARK_AQUA,
		ChatColor.DARK_RED,
		ChatColor.DARK_PURPLE,
		ChatColor.GOLD,
		ChatColor.BLUE,
		ChatColor.GREEN,
		ChatColor.AQUA,
		ChatColor.RED,
		ChatColor.LIGHT_PURPLE,
		ChatColor.YELLOW);

	static {
		for (EntityType type : EntityType.values()) {
			try {
				if (DeprecationUtil.getName_EntityType(type) != null) {
					if (Creature.class.isAssignableFrom(type.getEntityClass())) {
						mobtypes.put(DeprecationUtil.getName_EntityType(type).toLowerCase(), type);
					}
				}
			} catch (Exception ex) {
			}
		}

		for (ChatColor chatColor : CHAT_COLOR_POOL) {
			CHAT_COLOR_NAMES.put(chatColor.name().toLowerCase().replace("_", ""), chatColor);
		}
	}

	private Utilities() {
		throw new AssertionError();
	}

	public static void bcastMsg(String message, ChatColor color, boolean transmitToDiscord) {
		Log.info(message, true);

		for (org.bukkit.entity.Player player : Bukkit.getOnlinePlayers()) {
			player.sendMessage((color == null ? "" : color) + message);
		}

		if (transmitToDiscord) {
			DiscordBridge.transmitMessage(message.replaceAll("([`_~*])", "\\\\$1"));
		}
	}

	public static void bcastMsg(String message, ChatColor color) {
		bcastMsg(message, color, true);
	}

	public static void bcastMsg(String message, boolean transmitToDiscord) {
		bcastMsg(message, null, transmitToDiscord);
	}

	public static void bcastMsg(String message) {
		Utilities.bcastMsg(message, null);
	}

	// Still in use by listeners
	public static void playerMsg(CommandSender sender, String message, ChatColor color) {
		sender.sendMessage(color + message);
	}

	// Still in use by listeners
	public static void playerMsg(CommandSender sender, String message) {
		Utilities.playerMsg(sender, message, ChatColor.GRAY);
	}

	public static void setFlying(org.bukkit.entity.Player player, boolean flying) {
		player.setAllowFlight(true);
		player.setFlying(flying);
	}

	public static void adminAction(String adminName, String action, boolean isRed) {
		Utilities.bcastMsg(adminName + " - " + action, (isRed ? ChatColor.RED : ChatColor.AQUA));
	}

	public static String getIp(OfflinePlayer player) {
		if (player.isOnline()) {
			return player.getPlayer().getAddress().getAddress().getHostAddress().trim();
		}

		final Player entry = PlayerList.getEntry(UUIDManager.getUniqueId(player));

		return (entry == null ? null : entry.getIps().get(0));
	}

	public static boolean isUniqueId(String uuid) {
		try {
			UUID.fromString(uuid);
			return true;
		} catch (IllegalArgumentException ex) {
			return false;
		}
	}

	public static String formatLocation(Location location) {
		return String.format("%s: (%d, %d, %d)",
			location.getWorld().getName(),
			Math.round(location.getX()),
			Math.round(location.getY()),
			Math.round(location.getZ()));
	}

	public static String formatPlayer(OfflinePlayer player) {
		return player.getName() + " (" + UUIDManager.getUniqueId(player) + ")";
	}

	/**
	 * Escapes an IP-address to a config-friendly version.
	 *
	 * <p>Example:
	 * <pre>
	 * IpUtils.toEscapedString("192.168.1.192"); // 192_168_1_192
	 * </pre></p>
	 *
	 * @param ip The IP-address to escape.
	 * @return The config-friendly IP address.
	 * @see #fromEscapedString(String)
	 */
	public static String toEscapedString(
		String ip) // BukkitLib @ https://github.com/Pravian/BukkitLib
	{
		return ip.trim().replaceAll("\\.", "_");
	}

	/**
	 * Un-escapes a config-friendly Ipv4-address.
	 *
	 * <p>Example:
	 * <pre>
	 * IpUtils.fromEscapedString("192_168_1_192"); // 192.168.1.192
	 * </pre></p>
	 *
	 * @param escapedIp The IP-address to un-escape.
	 * @return The config-friendly IP address.
	 * @see #toEscapedString(String)
	 */
	public static String fromEscapedString(
		String escapedIp) // BukkitLib @ https://github.com/Pravian/BukkitLib
	{
		return escapedIp.trim().replaceAll("_", "\\.");
	}

	public static void gotoWorld(org.bukkit.entity.Player player, String targetWorld) {
		if (player == null) {
			return;
		}

		if (player.getWorld().getName().equalsIgnoreCase(targetWorld)) {
			playerMsg(player, "Going to main world.", ChatColor.GRAY);
			player.teleport(Bukkit.getWorlds().get(0).getSpawnLocation());
			return;
		}

		for (World world : Bukkit.getWorlds()) {
			if (world.getName().equalsIgnoreCase(targetWorld)) {
				playerMsg(player, "Going to world: " + targetWorld, ChatColor.GRAY);
				player.teleport(world.getSpawnLocation());
				return;
			}
		}

		playerMsg(player, "World " + targetWorld + " not found.", ChatColor.GRAY);
	}

	public static String decolorize(String string) {
		return string.replaceAll("\\u00A7(?=[0-9a-fk-or])", "&");
	}

	public static void buildHistory(Location location, int length, PlayerData playerdata) {
		final Block center = location.getBlock();
		for (int xOffset = -length; xOffset <= length; xOffset++) {
			for (int yOffset = -length; yOffset <= length; yOffset++) {
				for (int zOffset = -length; zOffset <= length; zOffset++) {
					final Block block = center.getRelative(xOffset, yOffset, zOffset);
					playerdata.insertHistoryBlock(block.getLocation(), block.getType());
				}
			}
		}
	}

	public static void generateCube(Location location, int length, Material material) {
		final Block center = location.getBlock();
		for (int xOffset = -length; xOffset <= length; xOffset++) {
			for (int yOffset = -length; yOffset <= length; yOffset++) {
				for (int zOffset = -length; zOffset <= length; zOffset++) {
					final Block block = center.getRelative(xOffset, yOffset, zOffset);
					if (block.getType() != material) {
						block.setType(material);
					}
				}
			}
		}
	}

	public static void generateHollowCube(Location location, int length, Material material) {
		final Block center = location.getBlock();
		for (int xOffset = -length; xOffset <= length; xOffset++) {
			for (int yOffset = -length; yOffset <= length; yOffset++) {
				for (int zOffset = -length; zOffset <= length; zOffset++) {
					// Hollow
					if (Math.abs(xOffset) != length && Math.abs(yOffset) != length
						&& Math.abs(zOffset) != length) {
						continue;
					}

					final Block block = center.getRelative(xOffset, yOffset, zOffset);

					if (material != Material.SKULL) {
						// Glowstone light
						if (material != Material.GLASS && xOffset == 0 && yOffset == 2
							&& zOffset == 0) {
							block.setType(Material.GLOWSTONE);
							continue;
						}

						block.setType(material);
					} else // Darth mode
					{
						if (Math.abs(xOffset) == length && Math.abs(yOffset) == length
							&& Math.abs(zOffset) == length) {
							block.setType(Material.GLOWSTONE);
							continue;
						}

						block.setType(Material.SKULL);
						final Skull skull = (Skull) block.getState();
						skull.setSkullType(SkullType.PLAYER);
						skull.setOwner("Prozza");
						skull.update();
					}
				}
			}
		}
	}

	public static void setWorldTime(World world, long ticks) {
		long time = world.getTime();
		time -= time % 24000;
		world.setTime(time + 24000 + ticks);
	}

	public static void createDefaultConfiguration(final String configFileName) {
		final File targetFile = new File(TotalFreedomMod.plugin.getDataFolder(), configFileName);

		if (targetFile.exists()) {
			return;
		}

		Log.info("Installing default configuration file template: " + targetFile.getPath());

		try {
			final InputStream configFileStream = TotalFreedomMod.plugin.getResource(configFileName);
			FileUtils.copyInputStreamToFile(configFileStream, targetFile);
			configFileStream.close();
		} catch (IOException ex) {
			Log.severe(ex);
		}
	}

	public static boolean deleteFolder(final File file) {
		if (file.exists() && file.isDirectory()) {
			return FileUtils.deleteQuietly(file);
		}
		return false;
	}

	public static void deleteCoreDumps() {
		final File[] coreDumps = new File(".").listFiles(new FileFilter() {
			@Override
			public boolean accept(File file) {
				return file.getName().startsWith("java.core");
			}
		});

		for (File dump : coreDumps) {
			Log.info("Removing core dump file: " + dump.getName());
			dump.delete();
		}
	}

	public static EntityType getEntityType(String mobname) throws Exception {
		mobname = mobname.toLowerCase().trim();

		if (!Utilities.mobtypes.containsKey(mobname)) {
			throw new Exception();
		}

		return Utilities.mobtypes.get(mobname);
	}

	/**
	 * Write the specified InputStream to a file.
	 *
	 * @param in   The InputStream from which to read.
	 * @param file The File to write to.
	 * @throws IOException
	 */
	public static void copy(InputStream in, File file)
		throws IOException // BukkitLib @ https://github.com/Pravian/BukkitLib
	{
		if (!file.exists()) {
			file.getParentFile().mkdirs();
		}

		final OutputStream out = new FileOutputStream(file);
		byte[] buf = new byte[1024];
		int len;
		while ((len = in.read(buf)) > 0) {
			out.write(buf, 0, len);
		}
		out.close();
		in.close();
	}

	/**
	 * Returns a file at located at the Plugins Data folder.
	 *
	 * @param plugin The plugin to use
	 * @param name   The name of the file.
	 * @return The requested file.
	 */
	public static File getPluginFile(Plugin plugin,
		String name)  // BukkitLib @ https://github.com/Pravian/BukkitLib
	{
		return new File(plugin.getDataFolder(), name);
	}

	public static void autoEject(org.bukkit.entity.Player player, String kickMessage) {
		EjectMethod method = EjectMethod.STRIKE_ONE;
		final String ip = Utilities.getIp(player);

		if (!Utilities.ejectTracker.containsKey(ip)) {
			Utilities.ejectTracker.put(ip, 0);
		}

		int kicks = Utilities.ejectTracker.get(ip);
		kicks += 1;

		Utilities.ejectTracker.put(ip, kicks);

		if (kicks <= 1) {
			method = EjectMethod.STRIKE_ONE;
		} else if (kicks == 2) {
			method = EjectMethod.STRIKE_TWO;
		} else if (kicks >= 3) {
			method = EjectMethod.STRIKE_THREE;
		}

		Log.info("AutoEject -> name: " + player.getName() + " - player ip: " + ip + " - method: "
			+ method);

		player.setOp(false);
		player.setGameMode(GameMode.SURVIVAL);
		player.getInventory().clear();

		switch (method) {
			case STRIKE_ONE: {
				final Calendar cal = new GregorianCalendar();
				cal.add(Calendar.MINUTE, 1);
				final Date expires = cal.getTime();

				Utilities.bcastMsg(
					ChatColor.RED + player.getName() + " has been banned for 1 minute.");

				BanManager.addIpBan(
					new Ban(ip, player.getName(), "AutoEject", expires, kickMessage));
				BanManager.addUuidBan(
					new Ban(UUIDManager.getUniqueId(player), player.getName(), "AutoEject", expires,
						kickMessage));
				player.kickPlayer(kickMessage);

				break;
			}
			case STRIKE_TWO: {
				final Calendar c = new GregorianCalendar();
				c.add(Calendar.MINUTE, 3);
				final Date expires = c.getTime();

				Utilities.bcastMsg(
					ChatColor.RED + player.getName() + " has been banned for 3 minutes.");

				BanManager.addIpBan(
					new Ban(ip, player.getName(), "AutoEject", expires, kickMessage));
				BanManager.addUuidBan(
					new Ban(UUIDManager.getUniqueId(player), player.getName(), "AutoEject", expires,
						kickMessage));
				player.kickPlayer(kickMessage);
				break;
			}
			case STRIKE_THREE: {
				String[] ipAddressParts = ip.split("\\.");

				BanManager.addIpBan(new Ban(ip, player.getName(), "AutoEject", null, kickMessage));
				BanManager.addIpBan(
					new Ban(ipAddressParts[0] + "." + ipAddressParts[1] + ".*.*", player.getName(),
						"AutoEject", null, kickMessage));
				BanManager.addUuidBan(
					new Ban(UUIDManager.getUniqueId(player), player.getName(), "AutoEject", null,
						kickMessage));

				Utilities.bcastMsg(ChatColor.RED + player.getName() + " has been banned.");

				player.kickPlayer(kickMessage);
				break;
			}
		}
	}

	public static Date parseDateOffset(String time) {
		Pattern timePattern = Pattern.compile(
			"(?:([0-9]+)\\s*y[a-z]*[,\\s]*)?"
				+ "(?:([0-9]+)\\s*mo[a-z]*[,\\s]*)?"
				+ "(?:([0-9]+)\\s*w[a-z]*[,\\s]*)?"
				+ "(?:([0-9]+)\\s*d[a-z]*[,\\s]*)?"
				+ "(?:([0-9]+)\\s*h[a-z]*[,\\s]*)?"
				+ "(?:([0-9]+)\\s*m[a-z]*[,\\s]*)?"
				+ "(?:([0-9]+)\\s*(?:s[a-z]*)?)?", Pattern.CASE_INSENSITIVE);
		Matcher m = timePattern.matcher(time);
		int years = 0;
		int months = 0;
		int weeks = 0;
		int days = 0;
		int hours = 0;
		int minutes = 0;
		int seconds = 0;
		boolean found = false;
		while (m.find()) {
			if (m.group() == null || m.group().isEmpty()) {
				continue;
			}
			for (int i = 0; i < m.groupCount(); i++) {
				if (m.group(i) != null && !m.group(i).isEmpty()) {
					found = true;
					break;
				}
			}
			if (found) {
				if (m.group(1) != null && !m.group(1).isEmpty()) {
					years = Integer.parseInt(m.group(1));
				}
				if (m.group(2) != null && !m.group(2).isEmpty()) {
					months = Integer.parseInt(m.group(2));
				}
				if (m.group(3) != null && !m.group(3).isEmpty()) {
					weeks = Integer.parseInt(m.group(3));
				}
				if (m.group(4) != null && !m.group(4).isEmpty()) {
					days = Integer.parseInt(m.group(4));
				}
				if (m.group(5) != null && !m.group(5).isEmpty()) {
					hours = Integer.parseInt(m.group(5));
				}
				if (m.group(6) != null && !m.group(6).isEmpty()) {
					minutes = Integer.parseInt(m.group(6));
				}
				if (m.group(7) != null && !m.group(7).isEmpty()) {
					seconds = Integer.parseInt(m.group(7));
				}
				break;
			}
		}
		if (!found) {
			return null;
		}

		Calendar c = new GregorianCalendar();

		if (years > 0) {
			c.add(Calendar.YEAR, years);
		}
		if (months > 0) {
			c.add(Calendar.MONTH, months);
		}
		if (weeks > 0) {
			c.add(Calendar.WEEK_OF_YEAR, weeks);
		}
		if (days > 0) {
			c.add(Calendar.DAY_OF_MONTH, days);
		}
		if (hours > 0) {
			c.add(Calendar.HOUR_OF_DAY, hours);
		}
		if (minutes > 0) {
			c.add(Calendar.MINUTE, minutes);
		}
		if (seconds > 0) {
			c.add(Calendar.SECOND, seconds);
		}

		return c.getTime();
	}

	public static String playerListToNames(Set<OfflinePlayer> players) {
		List<String> names = new ArrayList<String>();
		for (OfflinePlayer player : players) {
			names.add(player.getName());
		}
		return StringUtils.join(names, ", ");
	}

	@SuppressWarnings("unchecked")
	public static Map<String, Boolean> getSavedFlags() {
		Map<String, Boolean> flags = null;

		File input = new File(TotalFreedomMod.plugin.getDataFolder(),
			TotalFreedomMod.SAVED_FLAGS_FILENAME);
		if (input.exists()) {
			try {
				FileInputStream fis = new FileInputStream(input);
				ObjectInputStream ois = new ObjectInputStream(fis);
				flags = (HashMap<String, Boolean>) ois.readObject();
				ois.close();
				fis.close();
			} catch (Exception ex) {
				Log.severe(ex);
			}
		}

		return flags;
	}

	public static boolean getSavedFlag(String flag) throws Exception {
		Boolean flagValue = null;

		Map<String, Boolean> flags = Utilities.getSavedFlags();

		if (flags != null) {
			if (flags.containsKey(flag)) {
				flagValue = flags.get(flag);
			}
		}

		if (flagValue != null) {
			return flagValue.booleanValue();
		} else {
			throw new Exception();
		}
	}

	public static void setSavedFlag(String flag, boolean value) {
		Map<String, Boolean> flags = Utilities.getSavedFlags();

		if (flags == null) {
			flags = new HashMap<String, Boolean>();
		}

		flags.put(flag, value);

		try {
			final FileOutputStream fos = new FileOutputStream(
				new File(TotalFreedomMod.plugin.getDataFolder(),
					TotalFreedomMod.SAVED_FLAGS_FILENAME));
			final ObjectOutputStream oos = new ObjectOutputStream(fos);
			oos.writeObject(flags);
			oos.close();
			fos.close();
		} catch (Exception ex) {
			Log.severe(ex);
		}
	}

	public static void createBackups(String file) {
		createBackups(file, false);
	}

	public static void createBackups(String file, boolean onlyWeekly) {
		final String save = file.split("\\.")[0];
		final Configuration config = new Configuration(TotalFreedomMod.plugin, "backup/backup.yml",
			false);
		config.load();

		// Weekly
		if (!config.isInt(save + ".weekly")) {
			performBackup(file, "weekly");
			config.set(save + ".weekly", Utilities.getUnixTime());
		} else {
			int lastBackupWeekly = config.getInt(save + ".weekly");

			if (lastBackupWeekly + 3600 * 24 * 7 < Utilities.getUnixTime()) {
				performBackup(file, "weekly");
				config.set(save + ".weekly", Utilities.getUnixTime());
			}
		}

		if (onlyWeekly) {
			config.save();
			return;
		}

		// Daily
		if (!config.isInt(save + ".daily")) {
			performBackup(file, "daily");
			config.set(save + ".daily", Utilities.getUnixTime());
		} else {
			int lastBackupDaily = config.getInt(save + ".daily");

			if (lastBackupDaily + 3600 * 24 < Utilities.getUnixTime()) {
				performBackup(file, "daily");
				config.set(save + ".daily", Utilities.getUnixTime());
			}
		}

		config.save();
	}

	private static void performBackup(String file, String type) {
		Log.info("Backing up " + file + " to " + file + "." + type + ".bak");
		final File backupFolder = new File(TotalFreedomMod.plugin.getDataFolder(), "backup");

		if (!backupFolder.exists()) {
			backupFolder.mkdirs();
		}

		final File oldYaml = new File(TotalFreedomMod.plugin.getDataFolder(), file);
		final File newYaml = new File(backupFolder, file + "." + type + ".bak");
		FileUtil.copy(oldYaml, newYaml);
	}

	public static String dateToString(Date date) {
		return new SimpleDateFormat(DATE_STORAGE_FORMAT, Locale.ENGLISH).format(date);
	}

	public static Date stringToDate(String dateString) {
		try {
			return new SimpleDateFormat(DATE_STORAGE_FORMAT, Locale.ENGLISH).parse(dateString);
		} catch (ParseException pex) {
			return new Date(0L);
		}
	}

	@SuppressWarnings("unchecked")
	public static boolean isFromHostConsole(String senderName) {
		return ConfigurationEntry.HOST_SENDER_NAMES.getList().contains(senderName.toLowerCase());
	}

	public static List<String> removeDuplicates(List<String> oldList) {
		List<String> newList = new ArrayList<String>();
		for (String entry : oldList) {
			if (!newList.contains(entry)) {
				newList.add(entry);
			}
		}
		return newList;
	}

	public static boolean fuzzyIpMatch(String a, String b, int octets) {
		boolean match = true;

		String[] aParts = a.split("\\.");
		String[] bParts = b.split("\\.");

		if (aParts.length != 4 || bParts.length != 4) {
			return false;
		}

		if (octets > 4) {
			octets = 4;
		} else if (octets < 1) {
			octets = 1;
		}

		for (int i = 0; i < octets && i < 4; i++) {
			if (aParts[i].equals("*") || bParts[i].equals("*")) {
				continue;
			}

			if (!aParts[i].equals(bParts[i])) {
				match = false;
				break;
			}
		}

		return match;
	}

	public static String getFuzzyIp(String ip) {
		final String[] ipParts = ip.split("\\.");
		if (ipParts.length == 4) {
			return String.format("%s.%s.*.*", ipParts[0], ipParts[1]);
		}

		return ip;
	}

	public static int replaceBlocks(Location center, Material fromMaterial, Material toMaterial,
		int radius) {
		int affected = 0;

		Block centerBlock = center.getBlock();
		for (int xOffset = -radius; xOffset <= radius; xOffset++) {
			for (int yOffset = -radius; yOffset <= radius; yOffset++) {
				for (int zOffset = -radius; zOffset <= radius; zOffset++) {
					Block block = centerBlock.getRelative(xOffset, yOffset, zOffset);

					if (block.getType().equals(fromMaterial)) {
						if (block.getLocation().distanceSquared(center) < (radius * radius)) {
							block.setType(toMaterial);
							affected++;
						}
					}
				}
			}
		}

		return affected;
	}

	public static void downloadFile(String url, File output) throws java.lang.Exception {
		downloadFile(url, output, false);
	}

	public static void downloadFile(String url, File output, boolean verbose)
		throws java.lang.Exception {
		final URL website = new URL(url);
		ReadableByteChannel rbc = Channels.newChannel(website.openStream());
		FileOutputStream fos = new FileOutputStream(output);
		fos.getChannel().transferFrom(rbc, 0, 1 << 24);
		fos.close();

		if (verbose) {
			Log.info("Downloaded " + url + " to " + output + ".");
		}
	}

	public static void adminChatMessage(CommandSender sender, String message,
		boolean senderIsConsole) {
		String name =
			sender.getName() + " " + PlayerRank.fromSender(sender).getPrefix() + ChatColor.WHITE;
		Log.info("[ADMIN] " + name + ": " + message);
		String adminChatMessage =
			"[" + ChatColor.AQUA + "ADMIN" + ChatColor.WHITE + "] " + ChatColor.DARK_RED + name
				+ ": " + ChatColor.AQUA + message;

		for (org.bukkit.entity.Player player : Bukkit.getOnlinePlayers()) {
			if (AdminList.isSuperAdmin(player)) {
				player.sendMessage(adminChatMessage);
			}
		}

		DiscordBridge.transmitAdminMessage(adminChatMessage.replaceAll("([`_~*])", "\\\\$1"));
	}

	//getField: Borrowed from WorldEdit
	@SuppressWarnings("unchecked")
	public static <T> T getField(Object from, String name) {
		Class<?> checkClass = from.getClass();
		do {
			try {
				Field field = checkClass.getDeclaredField(name);
				field.setAccessible(true);
				return (T) field.get(from);

			} catch (NoSuchFieldException ex) {
			} catch (IllegalAccessException ex) {
			}
		}
		while (checkClass.getSuperclass() != Object.class
			&& ((checkClass = checkClass.getSuperclass()) != null));

		return null;
	}

	public static ChatColor randomChatColor() {
		return CHAT_COLOR_POOL.get(RANDOM.nextInt(CHAT_COLOR_POOL.size()));
	}

	public static TextComponent fromBaseComponents(BaseComponent[] components) {
		TextComponent newComponent = new TextComponent("");

		for (BaseComponent component : components) {
			newComponent.addExtra(component);
		}

		return newComponent;
	}

	public static String colorize(String string) {
		return ChatColor.translateAlternateColorCodes('&', string);
	}

	public static long getUnixTime() {
		return System.currentTimeMillis() / 1000L;
	}

	public static Date getUnixDate(long unix) {
		return new Date(unix * 1000);
	}

	public static long getUnixTime(Date date) {
		if (date == null) {
			return 0;
		}

		return date.getTime() / 1000L;
	}

	public static String getNmsVersion() {
		String packageName = Bukkit.getServer().getClass().getPackage().getName();
		return packageName.substring(packageName.lastIndexOf('.') + 1);

	}

	public static void reportAction(org.bukkit.entity.Player reporter,
		org.bukkit.entity.Player reported, String report) {
		for (org.bukkit.entity.Player player : Bukkit.getOnlinePlayers()) {
			if (AdminList.isSuperAdmin(player)) {
				playerMsg(player, ChatColor.RED + "[REPORTS] " + ChatColor.GOLD + reporter.getName()
					+ " has reported " + reported.getName() + " for " + report);
			}
		}
	}

	public static class TFM_EntityWiper {

		private static final List<Class<? extends Entity>> WIPEABLES = new ArrayList<Class<? extends Entity>>();

		static {
			WIPEABLES.add(EnderCrystal.class);
			WIPEABLES.add(EnderSignal.class);
			WIPEABLES.add(ExperienceOrb.class);
			WIPEABLES.add(Projectile.class);
			WIPEABLES.add(FallingBlock.class);
			WIPEABLES.add(Firework.class);
			WIPEABLES.add(Item.class);
		}

		private TFM_EntityWiper() {
			throw new AssertionError();
		}

		private static boolean canWipe(Entity entity, boolean wipeExplosives,
			boolean wipeVehicles) {
			if (wipeExplosives) {
				if (Explosive.class.isAssignableFrom(entity.getClass())) {
					return true;
				}
			}

			if (wipeVehicles) {
				if (Boat.class.isAssignableFrom(entity.getClass())) {
					return true;
				} else if (Minecart.class.isAssignableFrom(entity.getClass())) {
					return true;
				}
			}

			Iterator<Class<? extends Entity>> it = WIPEABLES.iterator();
			while (it.hasNext()) {
				if (it.next().isAssignableFrom(entity.getClass())) {
					return true;
				}
			}

			return false;
		}

		public static int wipeEntities(boolean wipeExplosives, boolean wipeVehicles) {
			int removed = 0;

			Iterator<World> worlds = Bukkit.getWorlds().iterator();
			while (worlds.hasNext()) {
				Iterator<Entity> entities = worlds.next().getEntities().iterator();
				while (entities.hasNext()) {
					Entity entity = entities.next();
					if (canWipe(entity, wipeExplosives, wipeVehicles)) {
						entity.remove();
						removed++;
					}
				}
			}

			return removed;
		}
	}

	public enum EjectMethod {
		STRIKE_ONE, STRIKE_TWO, STRIKE_THREE
	}

	public static class MethodTimer {

		private long lastStart;
		private long total = 0;

		public MethodTimer() {
		}

		public void start() {
			this.lastStart = System.currentTimeMillis();
		}

		public void update() {
			this.total += (System.currentTimeMillis() - this.lastStart);
		}

		public long getTotal() {
			return this.total;
		}

		public void printTotalToLog(String timerName) {
			Log.info("DEBUG: " + timerName + " used " + this.getTotal() + " ms.");
		}
	}
}