Make random statuses update automatically

src/main/java/wtf/beatrice/hidekobot/HidekoBot.java

@@ -18,6 +18,7 @@ import wtf.beatrice.hidekobot.listeners.SlashCommandCompletionListener;
 import wtf.beatrice.hidekobot.listeners.SlashCommandListener;
 import wtf.beatrice.hidekobot.runnables.ExpiredMessageTask;
 import wtf.beatrice.hidekobot.runnables.HeartBeatTask;
+import wtf.beatrice.hidekobot.runnables.StatusUpdateTask;
 import wtf.beatrice.hidekobot.util.CommandUtil;
 import wtf.beatrice.hidekobot.util.Logger;
 
@@ -158,7 +159,6 @@ public class HidekoBot
 
         // set the bot's status
         jda.getPresence().setStatus(OnlineStatus.ONLINE);
-        jda.getPresence().setActivity(Activity.playing("Hatsune Miku: Project DIVA"));
 
         // connect to database
         logger.log("Connecting to database...");
@@ -182,6 +182,8 @@ public class HidekoBot
         scheduler.scheduleAtFixedRate(expiredMessageTask, 5, 5, TimeUnit.SECONDS); //every 5 seconds
         HeartBeatTask heartBeatTask = new HeartBeatTask();
         scheduler.scheduleAtFixedRate(heartBeatTask, 10, 30, TimeUnit.SECONDS); //every 30 seconds
+        StatusUpdateTask statusUpdateTask = new StatusUpdateTask();
+        scheduler.scheduleAtFixedRate(statusUpdateTask, 0, 60 * 5, TimeUnit.SECONDS); // every 5 minutes
 
         // register shutdown interrupt signal listener for proper shutdown.
         Signal.handle(new Signal("INT"), signal -> shutdown());

src/main/java/wtf/beatrice/hidekobot/runnables/StatusUpdateTask.java

@@ -0,0 +1,30 @@
+package wtf.beatrice.hidekobot.runnables;
+
+import net.dv8tion.jda.api.entities.Activity;
+import wtf.beatrice.hidekobot.Cache;
+import wtf.beatrice.hidekobot.HidekoBot;
+import wtf.beatrice.hidekobot.util.RandomUtil;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class StatusUpdateTask implements Runnable
+{
+
+    List<String> statuses = Arrays.asList(
+            "Hatsune Miku: Project DIVA",
+            "Wii Sports",
+            "Excel",
+            "Mii Channel",
+            "Wii Speak",
+            "MineTest",
+            "Mario Kart Wii"
+    );
+
+    @Override
+    public void run() {
+        int randomPos = RandomUtil.getRandomNumber(0, statuses.size() - 1);
+        String status = statuses.get(randomPos) + " | " + Cache.getBotPrefix() + " help";
+        HidekoBot.getAPI().getPresence().setActivity(Activity.playing(status));
+    }
+}