add command suggestions i guess

.idea/workspace.xml

@@ -4,9 +4,7 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="50f184fa-7bed-4956-baf5-7586ff26ea08" name="Changes" comment="amogus">
+    <list default="true" id="50f184fa-7bed-4956-baf5-7586ff26ea08" name="Changes" comment="patch sus?" />
-      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-    </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
     <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
@@ -97,13 +95,6 @@
       <option name="presentableId" value="Default" />
       <updated>1680245437032</updated>
     </task>
-    <task id="LOCAL-00081" summary="mabe">
-      <created>1681806777109</created>
-      <option name="number" value="00081" />
-      <option name="presentableId" value="LOCAL-00081" />
-      <option name="project" value="LOCAL" />
-      <updated>1681806777109</updated>
-    </task>
     <task id="LOCAL-00082" summary="mess with the pitch correction again to fix the sus problem">
       <created>1681882635433</created>
       <option name="number" value="00082" />
@@ -440,7 +431,14 @@
       <option name="project" value="LOCAL" />
       <updated>1682644881919</updated>
     </task>
-    <option name="localTasksCounter" value="130" />
+    <task id="LOCAL-00130" summary="patch sus?">
+      <created>1682654933076</created>
+      <option name="number" value="00130" />
+      <option name="presentableId" value="LOCAL-00130" />
+      <option name="project" value="LOCAL" />
+      <updated>1682654933076</updated>
+    </task>
+    <option name="localTasksCounter" value="131" />
     <servers />
   </component>
   <component name="Vcs.Log.Tabs.Properties">
@@ -455,7 +453,6 @@
     </option>
   </component>
   <component name="VcsManagerConfiguration">
-    <MESSAGE value="improve bot options? mabe mabe" />
     <MESSAGE value="put the setter back" />
     <MESSAGE value="use serverName instead of host:port for console i guess" />
     <MESSAGE value="actually revert greplog update because it breaks stuff" />
@@ -480,7 +477,8 @@
     <MESSAGE value="new 1.19.4 update i guess" />
     <MESSAGE value="bots mabe" />
     <MESSAGE value="amogus" />
-    <option name="LAST_COMMIT_MESSAGE" value="amogus" />
+    <MESSAGE value="patch sus?" />
+    <option name="LAST_COMMIT_MESSAGE" value="patch sus?" />
   </component>
   <component name="XSLT-Support.FileAssociations.UIState">
     <expand />

src/main/java/land/chipmunk/chayapak/chomens_bot/Bot.java

@@ -63,6 +63,7 @@ public class Bot {
     @Getter private MazePlugin maze;
     @Getter private ExploitsPlugin exploits;
     @Getter private FilterPlugin filter;
+    @Getter private CommandSuggestionPlugin commandSuggestion;
 
     public Bot (Configuration.BotOption botOption, List<Bot> bots, Configuration config) {
         this.host = botOption.host;
@@ -105,6 +106,7 @@ public class Bot {
         this.maze = new MazePlugin(this);
         this.exploits = new ExploitsPlugin(this);
         this.filter = new FilterPlugin(this);
+        this.commandSuggestion = new CommandSuggestionPlugin(this);
 
         reconnect();
     }

src/main/java/land/chipmunk/chayapak/chomens_bot/plugins/CommandSuggestionPlugin.java

@@ -0,0 +1,61 @@
+package land.chipmunk.chayapak.chomens_bot.plugins;
+
+import land.chipmunk.chayapak.chomens_bot.Bot;
+import land.chipmunk.chayapak.chomens_bot.command.Command;
+import lombok.Getter;
+import lombok.Setter;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.JoinConfiguration;
+import net.kyori.adventure.text.TextComponent;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class CommandSuggestionPlugin extends ChatPlugin.ChatListener {
+    private final Bot bot;
+
+    @Getter @Setter private String id = "chomens_bot_command_suggestion";
+
+    public CommandSuggestionPlugin (Bot bot) {
+        this.bot = bot;
+        bot.chat().addListener(this);
+    }
+
+    @Override
+    public void systemMessageReceived(Component component) {
+        try {
+            final String tag = ((TextComponent) component).content();
+
+            if (!tag.equals(id)) return;
+
+            final List<Component> children = component.children();
+
+            if (children.size() < 2) return;
+
+            final int transactionId = Integer.parseInt(((TextComponent) children.get(0)).content());
+            final String player = ((TextComponent) children.get(1)).content();
+
+            Component inputComponent;
+            try {
+                inputComponent = children.get(2);
+            } catch (IndexOutOfBoundsException e) {
+                inputComponent = Component.text("");
+            }
+            final String input = ((TextComponent) inputComponent).content();
+
+            System.out.println("input is \"" + input + "\"");
+
+            final List<Component> output = new ArrayList<>();
+            output.add(Component.text(id));
+            output.add(Component.text(transactionId));
+
+            for (Command command : bot.commandHandler().commands()) {
+                if (!command.name().startsWith(input)) continue;
+
+                output.add(Component.text(command.name()));
+            }
+
+            bot.chat().tellraw(Component.join(JoinConfiguration.noSeparators(), output), player);
+        } catch (Exception ignored) {}
+    }
+}