Fix ChannelManager

src/de/steamwar/bungeecore/bot/ChannelManager.java

@@ -97,20 +97,18 @@ public class ChannelManager extends ListenerAdapter {
             return Integer.compare(i1, i2);
         });
 
-        if (channels.isEmpty()) {
-            ChannelAction<VoiceChannel> channelAction = guild.createVoiceChannel(channelNames.get(0))
-                    .setParent(guild.getCategoryById(options.categoryID));
-            if (options.channelCreator != null) {
-                options.channelCreator.accept(channelAction);
+        for (int i = channels.size() - 1; i >= 0; i--) {
+            VoiceChannel channel = channels.get(i);
+            if (channel.getMembers().isEmpty()) {
+                channel.delete().queue();
+                channels.remove(i);
             }
-            VoiceChannel newChannel = channelAction.complete();
-            channels.add(newChannel);
-            return;
         }
 
-        if (channels.size() == 1) {
-            // TODO: Check if channel is not empty and create new channel
+        if (channels.size() == options.maxChannels) {
+            return;
         }
+        createChannelWithIndex(channels.size());
     }
 
     @Override