Improved help and actually added it to cmds

src/main/java/buttondevteam/discordplugin/CommandListener.java

@@ -36,10 +36,16 @@ public class CommandListener {
 		String cmdwithargs = message.getContent();
 		final String mention = DiscordPlugin.dc.getOurUser().mention(false);
 		final String mentionNick = DiscordPlugin.dc.getOurUser().mention(true);
-		if (message.getContent().startsWith(mention) && cmdwithargs.length() > mention.length() + 1) // TODO: Resolve mentions: Compound arguments, either a mention or text
-			cmdwithargs = cmdwithargs.substring(mention.length() + 1);
-		if (message.getContent().startsWith(mentionNick) && cmdwithargs.length() > mentionNick.length() + 1)
-			cmdwithargs = cmdwithargs.substring(mentionNick.length() + 1);
+		if (message.getContent().startsWith(mention)) // TODO: Resolve mentions: Compound arguments, either a mention or text
+			if (cmdwithargs.length() > mention.length() + 1)
+				cmdwithargs = cmdwithargs.substring(mention.length() + 1);
+			else
+				cmdwithargs = "help";
+		if (message.getContent().startsWith(mentionNick))
+			if (cmdwithargs.length() > mentionNick.length() + 1)
+				cmdwithargs = cmdwithargs.substring(mentionNick.length() + 1);
+			else
+				cmdwithargs = "help";
 		int index = cmdwithargs.indexOf(' ');
 		String cmd;
 		String args;

src/main/java/buttondevteam/discordplugin/commands/ConnectCommand.java

@@ -65,4 +65,13 @@ public class ConnectCommand extends DiscordCommandBase {
 					+ message.getAuthor().getDiscriminator() + " do /discord accept");
 	}
 
+	@Override
+	public String[] getHelpText() {
+		return new String[] { //
+				"---- Connect command ----", //
+				"This commands let's you connect your acoount with a Minecraft account. This'd allow using the Minecraft chat and other things.", //
+				"Usage: connect <Minecraftname>" //
+		};
+	}
+
 }

src/main/java/buttondevteam/discordplugin/commands/DiscordCommandBase.java

@@ -10,19 +10,22 @@ public abstract class DiscordCommandBase {
 	public abstract String getCommandName();
 
 	public abstract void run(IMessage message, String args);
+	
+	public abstract String[] getHelpText();
 
 	static final HashMap<String, DiscordCommandBase> commands = new HashMap<String, DiscordCommandBase>();
 
 	static {
 		commands.put("connect", new ConnectCommand()); // TODO: API for adding commands?
 		commands.put("userinfo", new UserinfoCommand());
+		commands.put("help", new HelpCommand());
 	}
 
 	public static void runCommand(String cmd, String args, IMessage message) {
 		DiscordCommandBase command = commands.get(cmd);
 		if (command == null) {
-			// TODO: Help command
-			DiscordPlugin.sendMessageToChannel(message.getChannel(), "Unknown command: " + cmd + " with args: " + args);
+			DiscordPlugin.sendMessageToChannel(message.getChannel(),
+					"Unknown command: " + cmd + " with args: " + args + "\nDo @ChromaBot help for help");
 			return;
 		}
 		try {

src/main/java/buttondevteam/discordplugin/commands/HelpCommand.java

@@ -1,5 +1,6 @@
 package buttondevteam.discordplugin.commands;
 
+import java.util.Arrays;
 import java.util.stream.Collectors;
 
 import buttondevteam.discordplugin.DiscordPlugin;
@@ -14,8 +15,24 @@ public class HelpCommand extends DiscordCommandBase {
 
 	@Override
 	public void run(IMessage message, String args) {
-		DiscordPlugin.sendMessageToChannel(message.getChannel(), "Available commands:\n" + DiscordCommandBase.commands
-				.values().stream().map(dc -> dc.getCommandName()).collect(Collectors.joining("\n")));
+		DiscordCommandBase argdc;
+		if (args.length() == 0)
+			DiscordPlugin.sendMessageToChannel(message.getChannel(),
+					"Available commands:\n" + DiscordCommandBase.commands.values().stream()
+							.map(dc -> dc.getCommandName()).collect(Collectors.joining("\n")));
+		else
+			DiscordPlugin.sendMessageToChannel(message.getChannel(),
+					(argdc = DiscordCommandBase.commands.get(args)) == null ? "Command not found: " + args
+							: Arrays.stream(argdc.getHelpText()).collect(Collectors.joining("\n")));
+	}
+
+	@Override
+	public String[] getHelpText() {
+		return new String[] { //
+				"---- Help command ----", //
+				"Shows some info about a command or lists the available commands.", //
+				"Usage: help [command]"//
+		};
 	}
 
 }

src/main/java/buttondevteam/discordplugin/commands/UserinfoCommand.java

@@ -82,4 +82,13 @@ public class UserinfoCommand extends DiscordCommandBase {
 					"The user is not found in our system (player has to be on the MC server for now)!");
 	}
 
+	@Override
+	public String[] getHelpText() {
+		return new String[] { //
+				"---- User information ----", //
+				"Shows some information about users, from Discord, from Minecraft or from Reddit if they have these accounts connected.", //
+				"Usage: userinfo <Discordname>" //
+		};
+	}
+
 }