content: /*
   *  Copyright (c) 2021 Freya Arbjerg and contributors
   *
   *  Permission is hereby granted, free of charge, to any person obtaining a copy
   *  of this software and associated documentation files (the "Software"), to deal
   *  in the Software without restriction, including without limitation the rights
   *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   *  copies of the Software, and to permit persons to whom the Software is
   *  furnished to do so, subject to the following conditions:
   *
   *  The above copyright notice and this permission notice shall be included in all
   *  copies or substantial portions of the Software.
   *
   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   *  SOFTWARE.
   *
   */
  
  package lavalink.server.player;
  
  import com.sedmelluq.discord.lavaplayer.player.AudioPlayer;
  import com.sedmelluq.discord.lavaplayer.player.AudioPlayerManager;
  import com.sedmelluq.discord.lavaplayer.player.event.AudioEventAdapter;
  import com.sedmelluq.discord.lavaplayer.tools.FriendlyException;
  import com.sedmelluq.discord.lavaplayer.track.AudioTrack;
  import com.sedmelluq.discord.lavaplayer.track.AudioTrackEndReason;
  import lavalink.server.io.SocketServer;
  import lavalink.server.util.Util;
  import org.json.JSONObject;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.io.IOException;
  
  public class EventEmitter extends AudioEventAdapter {
  
      private static final Logger log = LoggerFactory.getLogger(EventEmitter.class);
      private final AudioPlayerManager audioPlayerManager;
      private final Player linkPlayer;
  
      EventEmitter(AudioPlayerManager audioPlayerManager, Player linkPlayer) {
          this.audioPlayerManager = audioPlayerManager;
          this.linkPlayer = linkPlayer;
      }
  
      @Override
      public void onTrackStart(AudioPlayer player, AudioTrack track) {
          JSONObject out = new JSONObject();
          out.put("op", "event");
          out.put("type", "TrackStartEvent");
          out.put("guildId", linkPlayer.getGuildId());
  
          try {
              out.put("track", Util.encodeAudioTrack(audioPlayerManager, track));
          } catch (IOException e) {
              out.put("track", JSONObject.NULL);
          }
  
          linkPlayer.getSocket().send(out);
      }
  
      @Override
      public void onTrackEnd(AudioPlayer player, AudioTrack track, AudioTrackEndReason endReason) {
          JSONObject out = new JSONObject();
          out.put("op", "event");
          out.put("type", "TrackEndEvent");
          out.put("guildId", linkPlayer.getGuildId());
  
          try {
              out.put("track", Util.encodeAudioTrack(audioPlayerManager, track));
          } catch (IOException e) {
              out.put("track", JSONObject.NULL);
          }
  
          out.put("reason", endReason.toString());
  
          linkPlayer.getSocket().send(out);
      }
  
      // These exceptions are already logged by Lavaplayer
      @Override
      public void onTrackException(AudioPlayer player, AudioTrack track, FriendlyException exception) {
          JSONObject out = new JSONObject();
          out.put("op", "event");
          out.put("type", "TrackExceptionEvent");
          out.put("guildId", linkPlayer.getGuildId());
  
          try {
              out.put("track", Util.encodeAudioTrack(audioPlayerManager, track));
          } catch (IOException e) {
              out.put("track", JSONObject.NULL);
          }
  
          out.put("error", exception.getMessage());
  
          linkPlayer.getSocket().send(out);
      }
  
      @Override
      public void onTrackStuck(AudioPlayer player, AudioTrack track, long thresholdMs) {
          log.warn(track.getInfo().title + " got stuck! Threshold surpassed: " + thresholdMs);
  
          JSONObject out = new JSONObject();
          out.put("op", "event");
          out.put("type", "TrackStuckEvent");
          out.put("guildId", linkPlayer.getGuildId());
  
          try {
              out.put("track", Util.encodeAudioTrack(audioPlayerManager, track));
          } catch (IOException e) {
              out.put("track", JSONObject.NULL);
          }
  
          out.put("thresholdMs", thresholdMs);
  
          linkPlayer.getSocket().send(out);
          SocketServer.Companion.sendPlayerUpdate(linkPlayer.getSocket(), linkPlayer);
      }
  
  }
  