Add help to /tp

Plugins/Mineplex.MapParser/src/mineplex/mapparser/command/teleport/TeleportCommand.java

@@ -1,7 +1,9 @@
 package mineplex.mapparser.command.teleport;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
+import java.util.stream.Collectors;
 
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
@@ -15,6 +17,11 @@ import mineplex.mapparser.command.BaseCommand;
 
 public class TeleportCommand extends BaseCommand
 {
+	private final static List<String> COMMANDS = Arrays.asList(
+		"/tp <player> - Teleport to another player",
+		"/tp <from> <destination> - Teleport the from player to the destination player",
+		"/tp <x> <y> <z> - Teleport to coordinates"
+	);
 	private final static String COORDINATE_FORMAT = "%.2f";
 	private TeleportManager _teleportManager;
 
@@ -56,6 +63,22 @@ public class TeleportCommand extends BaseCommand
 		}
 	}
 
+	private void help(Player player)
+	{
+		player.sendMessage(F.main(getPlugin().getName(), "Teleport command usage:"));
+		COMMANDS.stream().map(c -> {
+			List<String> parts = Arrays.stream(c.split("\\s*-\\s*")).collect(Collectors.toList());
+
+			String commandMessage = "  ";
+
+			commandMessage += C.cYellow + parts.get(0);
+			commandMessage += C.cGray + " - ";
+			commandMessage += C.cGold + parts.get(1);
+
+			return commandMessage;
+		}).forEach(player::sendMessage);
+	}
+
 	@Override
 	public boolean execute(Player player, String alias, String[] args)
 	{
@@ -119,6 +142,7 @@ public class TeleportCommand extends BaseCommand
 				if (coordinate == null)
 				{
 					message(player, "Hmm, those coordinates don't look quite right.");
+					help(player);
 					return true;
 				}
 			}
@@ -140,6 +164,7 @@ public class TeleportCommand extends BaseCommand
 		else
 		{
 			message(player, "Hmm, your command doesn't look quite right.");
+			help(player);
 		}
 
 		return true;