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!7

//set flag DifferentJDA.
//lib 1400185 // discord with opus/JNA (hopefully not a problem)

import net.dv8tion.jda.core.managers.AudioManager; // Note: moved from core to api in JDA 4.0
import net.dv8tion.jda.core.audio.*;

import java.nio.ByteBuffer;
import com.sedmelluq.discord.lavaplayer.player.*;
import com.sedmelluq.discord.lavaplayer.demo.jda.TrackScheduler;
import com.sedmelluq.discord.lavaplayer.track.*;
import com.sedmelluq.discord.lavaplayer.track.playback.*;
import com.sedmelluq.discord.lavaplayer.source.*;

//lib 1400286 // lavaplayer 1.3.22
lib 1400288 // lavaplayer fat
lib 1400289 // httpclient
lib 1400290 // httpcore
lib 1400291 // commons-io

static AudioPlayerManager playerManager;
svoid cleanMeUp { dispose playerManager; }

cmodule DiscordAudioSpike > DynTalkBot2 {
  S myName = "Discord Audio Spike";
  
  start {
    makeByServer = () -> new ByServer;
    useAGIBlueForDropPunctuation = false;
    preprocessAtSelfToMyName = false;
    
    if (playerManager == null) {
      playerManager = new DefaultAudioPlayerManager;
      AudioSourceManagers.registerLocalSource(playerManager);
    }
  }

  class ByServer extends DynTalkBot2.ByServer {
    synchronized S processSimplifiedLine(S s, O... _) {
      try answer super.processSimplifiedLine(s, _); // adding authorized users etc.
      new Matches m;
      if null (s = dropMyPrefixOrNull(s)) null;
      optPar Message msg;
      Guild guild = msg == null ? null : msg.getGuild();
      
      if "voice channels"
        ret str(guild.getVoiceChannels());
        
      if "join voice channel"
        ret joinVoiceChannel(first(guild.getVoiceChannels());

      if (eqic(s, "help"))
        ret ltrim([[
I'm a Discord Audio Test

[Bot made by https://BotCompany.de]
  ]]).replace("@me", atSelf());
  
      null;
    }
    
    S joinVoiceChannel(VoiceChannel vc) {
      if (vc == null) ret "No channel";
      
      Guild guild = vc.getGuild();
      AudioManager am = guild.getAudioManager();
      
      AudioPlayer player = playerManager.createPlayer();
      TrackScheduler trackScheduler = new(player);
      player.addListener(trackScheduler);
      
      am.setSendingHandler(new AudioPlayerSendHandler(player));
      am.openAudioConnection(vc);

      playerManager.loadItem(f2s(loadLibrary(#1400292)), new AudioLoadResultHandler {
        public void trackLoaded(AudioTrack track) {
          trackScheduler.queue(track);
        }
      
        public void playlistLoaded(AudioPlaylist playlist) {
          for (AudioTrack track : playlist.getTracks())
            trackScheduler.queue(track);
        }
      
        public void noMatches() { print("noMatches"); }
        public void loadFailed(FriendlyException throwable) { print("loadFailed"); }
      });
      
      ret "Audio connection to " + vc.getName() + " opened";
    }
  }
  
}

sclass AudioPlayerSendHandler implements AudioSendHandler {
  AudioPlayer audioPlayer;
  AudioFrame lastFrame;

  *(AudioPlayer *audioPlayer) {}

  public bool canProvide() {
    ret (lastFrame = audioPlayer.provide()) != null;
  }

  public byte[] provide20MsAudio() {
    return lastFrame.getData();
  }

  public bool isOpus() { true; }
}