Chat channel improved, tried a bunch of ideas

src/main/java/buttondevteam/core/MainPlugin.java

@@ -1,22 +1,21 @@
 package buttondevteam.core;
 
-import java.io.File;
-import java.io.IOException;
-import java.util.Arrays;
-import java.util.List;
+import java.util.ArrayList;
 import java.util.logging.Logger;
 
 import org.bukkit.Bukkit;
-import org.bukkit.configuration.ConfigurationSection;
-import org.bukkit.configuration.InvalidConfigurationException;
-import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.plugin.PluginDescriptionFile;
 import org.bukkit.plugin.RegisteredServiceProvider;
 import org.bukkit.plugin.java.JavaPlugin;
+import org.bukkit.scoreboard.Scoreboard;
+
+import com.palmergames.bukkit.towny.Towny;
+import com.palmergames.bukkit.towny.object.Nation;
+import com.palmergames.bukkit.towny.object.Town;
+import com.palmergames.bukkit.towny.object.TownyUniverse;
 
 import buttondevteam.lib.TBMCCoreAPI;
 import buttondevteam.lib.chat.TBMCChatAPI;
-import buttondevteam.lib.player.ChromaGamerBase;
 import buttondevteam.lib.player.TBMCPlayerBase;
 import net.milkbowl.vault.permission.Permission;
 
@@ -27,7 +26,6 @@ public class MainPlugin extends JavaPlugin {
 
 	private PluginDescriptionFile pdfFile;
 	private Logger logger;
-	private int C = 0, keep = 0;
 
 	@Override
 	public void onEnable() {
@@ -43,45 +41,6 @@ public class MainPlugin extends JavaPlugin {
 		TBMCCoreAPI.RegisterEventsForExceptions(new PlayerListener(), this);
 		TBMCCoreAPI.RegisterUserClass(TBMCPlayerBase.class);
 		logger.info(pdfFile.getName() + " has been Enabled (V." + pdfFile.getVersion() + ").");
-		Arrays.stream(new File(ChromaGamerBase.TBMC_PLAYERS_DIR).listFiles(f -> !f.isDirectory())).map(f -> {
-			YamlConfiguration yc = new YamlConfiguration();
-			try {
-				yc.load(f);
-			} catch (IOException | InvalidConfigurationException e) {
-				TBMCCoreAPI.SendException("Error while converting player data!", e);
-			}
-			f.delete();
-			return yc;
-		}).forEach(yc -> {
-			try {
-				int flairtime = yc.getInt("flairtime"), fcount = yc.getInt("fcount"), fdeaths = yc.getInt("fdeaths");
-				String flairstate = yc.getString("flairstate");
-				List<String> usernames = yc.getStringList("usernames");
-				boolean flaircheater = yc.getBoolean("flaircheater");
-				final String uuid = yc.getString("uuid");
-				C++;
-				if ((fcount == 0 || fdeaths == 0)
-						&& (flairstate == null || "NoComment".equals(flairstate) || flairtime <= 0))
-					return; // Those who received no Fs yet will also get their stats reset if no flair
-				final File file = new File(ChromaGamerBase.TBMC_PLAYERS_DIR + "minecraft", uuid + ".yml");
-				YamlConfiguration targetyc = YamlConfiguration.loadConfiguration(file);
-				targetyc.set("PlayerName", yc.getString("playername"));
-				targetyc.set("minecraft_id", uuid);
-				ConfigurationSection bc = targetyc.createSection("ButtonChat");
-				bc.set("FlairTime", "NoComment".equals(flairstate) ? -3 : flairtime); // FlairTimeNone: -3
-				bc.set("FCount", fcount);
-				bc.set("FDeaths", fdeaths);
-				bc.set("FlairState", flairstate);
-				bc.set("UserNames", usernames);
-				bc.set("FlairCheater", flaircheater);
-				targetyc.save(file);
-				keep++;
-			} catch (Exception e) {
-				TBMCCoreAPI.SendException("Error while converting player data!", e);
-			}
-		});
-		Bukkit.getScheduler().runTask(this, () -> logger.info("Converted " + keep + " player data from " + C));
-		//TODO: Remove once ran it at least once
 	}
 
 	@Override

src/main/java/buttondevteam/lib/chat/Channel.java

@@ -2,26 +2,60 @@ package buttondevteam.lib.chat;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.function.Function;
+
+import org.bukkit.Bukkit;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import com.palmergames.bukkit.towny.exceptions.NotRegisteredException;
+import com.palmergames.bukkit.towny.object.Nation;
+import com.palmergames.bukkit.towny.object.Resident;
+import com.palmergames.bukkit.towny.object.Town;
+
+import buttondevteam.core.MainPlugin;
 
 public class Channel {
 	public final String DisplayName;
 	public final Color color;
-	public final String Command;
+	public final String ID;
+	/**
+	 * Filters both the sender and the targets
+	 */
+	public final Function<CommandSender, RecipientTestResult> filteranderrormsg;
 
 	private static List<Channel> channels = new ArrayList<>();
 
-	public Channel(String displayname, Color color, String command) {
+	/**
+	 * Creates a channel.
+	 * 
+	 * @param displayname
+	 *            The name that should appear at the start of the message
+	 * @param color
+	 *            The default color of the messages sent in the channel
+	 * @param command
+	 *            The command to be used for the channel <i>without /</i>. For example "mod". It's also used for scoreboard objective names.
+	 * @param filteranderrormsg
+	 *            Checks all senders against the criteria provided here and sends the message returned if it has an index - otherwise displays the error.<br>
+	 *            May be null to send to everyone.
+	 */
+	public Channel(String displayname, Color color, String command,
+			Function<CommandSender, RecipientTestResult> filteranderrormsg) {
 		DisplayName = displayname;
 		this.color = color;
-		Command = command;
+		ID = command;
+		this.filteranderrormsg = filteranderrormsg;
 	}
 
 	static {
-		channels.add(GlobalChat = new Channel("§fg§f", Color.White, "g"));
-		channels.add(TownChat = new Channel("§3TC§f", Color.DarkAqua, "tc"));
-		channels.add(NationChat = new Channel("§6NC§f", Color.Gold, "nc"));
-		channels.add(AdminChat = new Channel("§cADMIN§f", Color.Red, "a"));
-		channels.add(ModChat = new Channel("§9MOD§f", Color.Blue, "mod"));
+		RegisterChannel(GlobalChat = new Channel("§fg§f", Color.White, "g", null));
+		RegisterChannel(TownChat = new Channel("§3TC§f", Color.DarkAqua, "tc", s -> checkTownNationChat(s, false)));
+		RegisterChannel(NationChat = new Channel("§6NC§f", Color.Gold, "nc", s -> checkTownNationChat(s, true)));
+		RegisterChannel(AdminChat = new Channel("§cADMIN§f", Color.Red, "a", s -> s.isOp() ? new RecipientTestResult(0)
+				: new RecipientTestResult("You need to be an admin to use this channel.")));
+		RegisterChannel(ModChat = new Channel("§9MOD§f", Color.Blue, "mod",
+				s -> s.isOp() || (s instanceof Player && MainPlugin.permission.playerInGroup((Player) s, "mod"))
+						? new RecipientTestResult(0) //
+						: new RecipientTestResult("You need to be a mod to use this channel.")));
 	}
 
 	public static List<Channel> getChannels() {
@@ -33,4 +67,77 @@ public class Channel {
 	public static Channel NationChat;
 	public static Channel AdminChat;
 	public static Channel ModChat;
+
+	static void RegisterChannel(Channel channel) {
+		channels.add(channel);
+		Bukkit.getPluginManager().callEvent(new ChatChannelRegisterEvent(channel));
+	}
+
+	/**
+	 * Return the error message for the message sender if they can't send it and the score
+	 */
+	private static RecipientTestResult checkTownNationChat(CommandSender sender, boolean nationchat) {
+		if (!(sender instanceof Player))
+			return new RecipientTestResult("§cYou are not a player!");
+		try {
+			Resident resident = MainPlugin.TU.getResidentMap().get(sender.getName().toLowerCase());
+			if (resident != null && resident.getModes().contains("spy"))
+				return null;
+			/*
+			 * p.sendMessage(String.format("[SPY-%s] - %s: %s", channel.DisplayName, ((Player) sender).getDisplayName(), message));
+			 */
+			Town town = null;
+			if (resident != null && resident.hasTown())
+				town = resident.getTown();
+			if (town == null)
+				return new RecipientTestResult("You aren't in a town.");
+			Nation nation = null;
+			int index = -1; // TODO: Move all this to the event in ButtonChat along with the channel definitions and make scores only for the sender...
+			if (nationchat) {
+				if (town.hasNation())
+					nation = town.getNation();
+				if (nation == null)
+					return new RecipientTestResult("Your town isn't in a nation.");
+				index = MainPlugin.Nations.indexOf(nation);
+				if (index < 0) {
+					MainPlugin.Nations.add(nation);
+					index = MainPlugin.Nations.size() - 1;
+				}
+			} else {
+				index = MainPlugin.Towns.indexOf(town);
+				if (index < 0) {
+					MainPlugin.Towns.add(town);
+					index = MainPlugin.Towns.size() - 1;
+				}
+			}
+			return new RecipientTestResult(index);
+		} catch (NotRegisteredException e) {
+			return new RecipientTestResult("You (probably) aren't knwon by Towny! (Not in a town)");
+		}
+	}
+
+	public static class RecipientTestResult {
+		public String errormessage;
+		public int score;
+
+		/**
+		 * Creates a result that indicates an <b>error</b>
+		 * 
+		 * @param errormessage
+		 *            The error message to show the sender if they don't meet the criteria.
+		 */
+		public RecipientTestResult(String errormessage) {
+			this.errormessage = errormessage;
+		}
+
+		/**
+		 * Creates a result that indicates a <b>success</b>
+		 * 
+		 * @param score
+		 *            The score that identifies the target group. For example, the index of the town or nation to send to.
+		 */
+		public RecipientTestResult(int score) {
+			this.score = score;
+		} // TODO: Set score of players, if they get one, otherwise (on error) set score to -1
+	}
 }

src/main/java/buttondevteam/lib/chat/ChatChannelRegisterEvent.java

@@ -0,0 +1,27 @@
+package buttondevteam.lib.chat;
+
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+public class ChatChannelRegisterEvent extends Event {
+	private static final HandlerList handlers = new HandlerList();
+
+	private Channel channel;
+
+	public ChatChannelRegisterEvent(Channel channel) {
+		this.channel = channel;
+	}
+
+	public Channel getChannel() {
+		return channel;
+	}
+
+	@Override
+	public HandlerList getHandlers() {
+		return handlers;
+	}
+
+	public static HandlerList getHandlerList() {
+		return handlers;
+	}
+}

src/main/java/buttondevteam/lib/chat/TBMCChatAPI.java

@@ -215,4 +215,14 @@ public class TBMCChatAPI {
 		Bukkit.getPluginManager().callEvent(event);
 		return event.isCancelled();
 	}
+
+	/**
+	 * Register a chat channel. See {@link Channel#Channel(String, Color, String, java.util.function.Function)} for details.
+	 * 
+	 * @param channel
+	 *            A new {@link Channel} to register
+	 */
+	public static void RegisterChatChannel(Channel channel) {
+		Channel.RegisterChannel(channel);
+	}
 }