Add subcommands

src/main/java/me/goudham/bot/command/info/avatar/Avatar.java

@@ -1,12 +1,69 @@
 package me.goudham.bot.command.info.avatar;
 
+import io.micronaut.context.annotation.Executable;
+import jakarta.inject.Inject;
+import me.goudham.command.annotation.Option;
 import me.goudham.command.annotation.SlashCommand;
+import me.goudham.command.annotation.SubCommand;
+import me.goudham.service.EmbedService;
+import net.dv8tion.jda.api.entities.MessageEmbed;
+import net.dv8tion.jda.api.entities.User;
+import net.dv8tion.jda.api.events.interaction.SlashCommandEvent;
+import net.dv8tion.jda.api.interactions.InteractionHook;
+import net.dv8tion.jda.api.interactions.commands.OptionMapping;
+import net.dv8tion.jda.api.interactions.commands.OptionType;
 
-@SlashCommand(
+@SlashCommand(name = "avatar", description = "Display your avatar", isVisible = true, subCommandGroups = { "cool" })
-        name = "avatar",
-        description = "Display your avatar",
-        isVisible = true,
-        subCommands = { "default", "greyscale" }
-)
 public class Avatar {
+    private final EmbedService embedService;
+
+    @Inject
+    public Avatar(EmbedService embedService) {
+        this.embedService = embedService;
+    }
+
+    @Executable
+    @SubCommand(
+            name = "grayscale",
+            description = "Display your or another member's avatar with a grayscale filter applied",
+            options = {
+                    @Option(
+                            optionType = OptionType.USER,
+                            name = "member",
+                            description = "A member within the server",
+                            isRequired = false
+                    )
+            }
+    )
+    public void grayscaleCommand(SlashCommandEvent slashCommandEvent) {
+
+    }
+
+    @Executable
+    @SubCommand(
+            name = "default",
+            description = "Display your or another member's avatar",
+            options = {
+                    @Option(
+                            optionType = OptionType.USER,
+                            name = "member",
+                            description = "A member within the server",
+                            isRequired = false
+                    )
+            }
+    )
+    public void defaultCommand(SlashCommandEvent slashCommandEvent) {
+        slashCommandEvent.deferReply(false).queue();
+        InteractionHook hook = slashCommandEvent.getHook();
+
+        OptionMapping optionalUser = slashCommandEvent.getOption("member");
+        User user = optionalUser == null ? slashCommandEvent.getUser() : optionalUser.getAsUser();
+
+        MessageEmbed avatarEmbed = embedService.getBaseEmbed()
+                .setAuthor(user.getName() + "'s Avatar")
+                .setImage(user.getEffectiveAvatarUrl() + "?size=4096")
+                .build();
+
+        hook.sendMessageEmbeds(avatarEmbed).queue();
+    }
 }