make the help command better

src/main/java/cc/fascinated/bat/command/BatSubCommand.java

@@ -1,6 +1,7 @@
 package cc.fascinated.bat.command;
 
 import lombok.Getter;
+import lombok.Setter;
 import net.dv8tion.jda.api.Permission;
 import net.dv8tion.jda.api.interactions.commands.OptionType;
 import net.dv8tion.jda.api.interactions.commands.build.SubcommandData;
@@ -10,7 +11,7 @@ import java.util.List;
 /**
  * @author Fascinated (fascinated7)
  */
-@Getter
+@Getter @Setter
 public class BatSubCommand implements BatCommandExecutor {
     /**
      * The command data for the slash command
@@ -22,6 +23,11 @@ public class BatSubCommand implements BatCommandExecutor {
      */
     private final List<Permission> requiredPermissions;
 
+    /**
+     * The commands snowflake from Discord
+     */
+    private long commandSnowflake;
+
     public BatSubCommand(String name, String description, Permission... permissions) {
         this.commandData = new SubcommandData(name, description);
         this.requiredPermissions = List.of(permissions);

src/main/java/cc/fascinated/bat/command/Category.java

@@ -16,6 +16,7 @@ public enum Category {
     GENERAL(Emoji.fromUnicode("U+2699"), "General"),
     FUN(Emoji.fromFormatted("U+1F973"), "Fun"),
     SERVER(Emoji.fromFormatted("U+1F5A5"), "Server"),
+    UTILITY(Emoji.fromFormatted("U+1F6E0"), "Utility"),
     BEAT_SABER(Emoji.fromFormatted("U+1FA84"), "Beat Saber");
 
     /**

src/main/java/cc/fascinated/bat/command/impl/HelpCommand.java

@@ -2,6 +2,7 @@ package cc.fascinated.bat.command.impl;
 
 import cc.fascinated.bat.Consts;
 import cc.fascinated.bat.command.BatCommand;
+import cc.fascinated.bat.command.BatSubCommand;
 import cc.fascinated.bat.command.Category;
 import cc.fascinated.bat.common.EmbedUtils;
 import cc.fascinated.bat.event.EventListener;
@@ -13,6 +14,7 @@ import net.dv8tion.jda.api.entities.Member;
 import net.dv8tion.jda.api.entities.channel.middleman.MessageChannel;
 import net.dv8tion.jda.api.events.interaction.component.StringSelectInteractionEvent;
 import net.dv8tion.jda.api.interactions.commands.SlashCommandInteraction;
+import net.dv8tion.jda.api.interactions.commands.build.SubcommandData;
 import net.dv8tion.jda.api.interactions.components.ActionRow;
 import net.dv8tion.jda.api.interactions.components.buttons.Button;
 import net.dv8tion.jda.api.interactions.components.buttons.ButtonStyle;
@@ -22,6 +24,8 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
 import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
 
 /**
  * @author Fascinated (fascinated7)
@@ -72,8 +76,26 @@ public class HelpCommand extends BatCommand implements EventListener {
         }
 
         String commands = "";
-        for (BatCommand command : commandService.getCommands().values()) {
+        List<BatCommand> categoryCommands = commandService.getCommands().values().stream()
-            if (command.getCategory() == category) {
+                .filter(command -> command.getCategory() == category)
+                .toList();
+        if (categoryCommands.isEmpty()) {
+            commands = "No commands available in this category.";
+        } else {
+            for (BatCommand command : categoryCommands) {
+                if (!command.getSubCommands().isEmpty()) {
+                    for (Map.Entry<String, BatSubCommand> entry : command.getSubCommands().entrySet()) {
+                        BatSubCommand subCommand = entry.getValue();
+                        SubcommandData commandData = subCommand.getCommandData();
+                        commands += "</%s %s:%s> - %s\n".formatted(
+                                command.getName(),
+                                commandData.getName(),
+                                subCommand.getCommandSnowflake(),
+                                commandData.getDescription()
+                        );
+                    }
+                    continue;
+                }
                 commands += "</%s:%s> - %s\n".formatted(
                         command.getName(),
                         command.getCommandSnowflake(),

src/main/java/cc/fascinated/bat/features/autorole/AutoRoleFeature.java

@@ -18,6 +18,6 @@ public class AutoRoleFeature extends Feature {
     public AutoRoleFeature(@NonNull ApplicationContext context, @NonNull CommandService commandService) {
         super("AutoRole", Category.SERVER);
 
-        commandService.registerCommand(context.getBean(AutoRoleCommand.class));
+        registerCommand(commandService, context.getBean(AutoRoleCommand.class));
     }
 }

src/main/java/cc/fascinated/bat/features/birthday/BirthdayFeature.java

@@ -20,7 +20,7 @@ public class BirthdayFeature extends Feature {
     private final GuildService guildService;
 
     public BirthdayFeature(@NonNull ApplicationContext context, @NonNull CommandService commandService, @NonNull GuildService guildService) {
-        super("Birthday", Category.GENERAL);
+        super("Birthday", Category.UTILITY);
         this.guildService = guildService;
 
         registerCommand(commandService, context.getBean(BirthdayCommand.class));

src/main/java/cc/fascinated/bat/service/CommandService.java

@@ -89,6 +89,11 @@ public class CommandService extends ListenerAdapter {
         List<Command> discordCommands = jda.updateCommands().addCommands(commands.values().stream().map(BatCommand::getCommandData).toList()).complete();
         for (Command discordCommand : discordCommands) {
             commands.get(discordCommand.getName()).setCommandSnowflake(discordCommand.getIdLong());
+            if (!discordCommand.getSubcommands().isEmpty()) {
+                for (Command.Subcommand subCommand : discordCommand.getSubcommands()) {
+                    commands.get(discordCommand.getName()).getSubCommands().get(subCommand.getName()).setCommandSnowflake(subCommand.getIdLong());
+                }
+            }
         }
         log.info("Registered all slash commands in {}ms", System.currentTimeMillis() - before);
     }

src/main/java/cc/fascinated/bat/service/DiscordService.java

@@ -28,7 +28,8 @@ public class DiscordService {
             "over {guilds} guilds",
             "over {users} users",
             "over ScoreSaber scores",
-            "your messages"
+            "your messages",
+            "/help for help"
     );
 
     @Autowired