Clean up and rename TrackScheduer to TrackManager

src/main/java/codes/ztereohype/ztereomusic/audio/TrackManager.java

@@ -1,80 +1,88 @@
 package codes.ztereohype.ztereomusic.audio;
 
 import com.sedmelluq.discord.lavaplayer.player.AudioPlayer;
-import com.sedmelluq.discord.lavaplayer.player.event.AudioEvent;
 import com.sedmelluq.discord.lavaplayer.player.event.AudioEventAdapter;
-import com.sedmelluq.discord.lavaplayer.player.event.AudioEventListener;
 import com.sedmelluq.discord.lavaplayer.tools.FriendlyException;
 import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
 import com.sedmelluq.discord.lavaplayer.track.AudioTrackEndReason;
-import net.dv8tion.jda.api.entities.Invite;
+import lombok.Getter;
 import net.dv8tion.jda.api.entities.MessageChannel;
 
 import java.util.ArrayList;
 import java.util.List;
 
-public class TrackScheduer extends AudioEventAdapter {
-
-    private final AudioPlayer player;
+public class TrackManager extends AudioEventAdapter {
+    private final @Getter AudioPlayer player;
     private final List<AudioTrack> trackQueue = new ArrayList<>();
-    private AudioTrack currentTrack;
     private final MessageChannel infoChannel;
 
-    public TrackScheduer(AudioPlayer player, MessageChannel infoChannel) {
+    public TrackManager(AudioPlayer player, MessageChannel infoChannel) {
         this.player = player;
         this.infoChannel = infoChannel;
     }
 
     public void queue(AudioTrack track) {
         // change this to add to queue and call onTrackEnd!
-        if (this.currentTrack == null) {
-            System.out.println("Playing song directly as there is no song playing rn");
-            this.currentTrack = track;
-            player.playTrack(track);
+        if (player.getPlayingTrack() == null) {
+            play(track);
         } else {
             trackQueue.add(track);
-            System.out.println("Added song to queue");
+            infoChannel.sendMessage("Queued " + track.getInfo().title);
         }
     }
 
-    public AudioPlayer getPlayer() {
-        return this.player;
+    private void play(AudioTrack track) {
+        player.playTrack(track);
+    }
+
+    private void playNext() {
+        // if the player was playing a track (probably means it's a skip), stop it
+        if (player.getPlayingTrack() != null) {
+            player.stopTrack();
+        }
+
+        if (trackQueue.isEmpty()) {
+            infoChannel.sendMessage("The queue is empty!").queue();
+            return;
+        }
+
+        AudioTrack nextTrack = trackQueue.get(0);
+        trackQueue.remove(nextTrack);
+        play(nextTrack);
+        infoChannel.sendMessage("Playing next track: " + nextTrack.getInfo().title).queue();
+    }
+
+    public void pause() {
+        player.setPaused(true);
+    }
+
+    public void resume() {
+        player.setPaused(false);
+    }
+
+    public void skip() {
+        playNext();
     }
 
     @Override
     public void onPlayerPause(AudioPlayer player) {
-        infoChannel.sendMessage("Pausing...").queue();
+//        infoChannel.sendMessage("Pausing...").queue();
     }
 
     @Override
     public void onPlayerResume(AudioPlayer player) {
-        infoChannel.sendMessage("Resuming...").queue();
+//        infoChannel.sendMessage("Resuming...").queue();
     }
 
     @Override
     public void onTrackStart(AudioPlayer player, AudioTrack track) {
-        infoChannel.sendMessage("Starting track: " + track.getInfo().title).queue();
+//        infoChannel.sendMessage("Starting track: " + track.getInfo().title).queue();
     }
 
     @Override
     public void onTrackEnd(AudioPlayer player, AudioTrack track, AudioTrackEndReason endReason) {
-        currentTrack = null;
-
         if (endReason.mayStartNext) {
-            if (trackQueue.isEmpty()) {
-                System.out.println("track finishd, no more tracks in queue!");
-                infoChannel.sendMessage("no more tracks in queue!").queue();
-            } else {
-                System.out.println("track finishd, trying next track");
-                AudioTrack nextTrack = trackQueue.get(0);
-                trackQueue.remove(0);
-                currentTrack = nextTrack;
-                infoChannel.sendMessage("Playing next track: " + nextTrack.getInfo().title).queue();
-                player.playTrack(currentTrack);
-            }
-        } else {
-            System.out.println("track finishd, cant start next, bye");
-            infoChannel.sendMessage("oopsie woopsie byebye").queue();
+            playNext();
         }
 
         // endReason == FINISHED: A track finished or died by an exception (mayStartNext = true).
@@ -87,11 +95,15 @@ public class TrackScheduer extends AudioEventAdapter {
 
     @Override
     public void onTrackException(AudioPlayer player, AudioTrack track, FriendlyException exception) {
-        // An already playing track threw an exception (track end event will still be received separately)
+        infoChannel.sendMessage("Uh oh, a track did something strange. Skipping...").queue();
+        trackQueue.remove(track);
+        playNext();
     }
 
     @Override
     public void onTrackStuck(AudioPlayer player, AudioTrack track, long thresholdMs) {
-        // Audio track has been unable to provide us any audio, might want to just start a new track
+        infoChannel.sendMessage("Unable to play track " + track.getInfo().title + ". Skipping...").queue();
+        trackQueue.remove(track);
+        playNext();
     }
 }