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!7

static int songDuration, seekValue;
static long songBytes;
static int position;
static File mp3;
static BasicPlayer player;
static Int seekTo;
static volatile byte[] lastPCMData;

static JFrame frame;
static new JSlider seeker;
static new JLabel text;
static JTable table = tableWithToolTips();
static JTable lastPlayed = tableWithToolTips();
static JButton btnPause;

p-awt {
  substanceLAF("Moderate");

  // Fixing the classpath for Java Sound (MP3 + OGG)
  fixContextClassLoader();
  
  updateLastPlayed();
  searchLibrary();
  
  onDoubleClickOrEnter(table, voidfunc(int row) {
    play(fileFromTable(table, row));
  });
  
  onDoubleClickOrEnter(lastPlayed, voidfunc(int row) {
    play(fileFromTable(lastPlayed, row));
  });
  
  // init seeker
  seeker.setMajorTickSpacing(10000); // 10 seconds
  seeker.setMinorTickSpacing(10000); // 10 seconds
  seeker.setPaintTicks(true);
  seeker.setMaximum(1);
  seeker.setValue(0);
  seeker.setEnabled(false);
  seeker.addChangeListener(new ChangeListener {
    public void stateChanged(ChangeEvent e) {
      bool adjusting = seeker.getValueIsAdjusting();
      if (adjusting)
        seekTo = seeker.getValue();
      else if (seekTo != null) {
        seek(seekTo);
        seekTo = null;
      }
    }
  });
  
  frame = showFrame(
    centerAndNorth(jtabs(
      "Library", tableWithSearcher(table),
      "Last played", tableWithSearcher(lastPlayed)),
      centerAndSouth(
        centerAndEast(seeker, text),
        hgrid(
          jbutton("play again", "playAgain"),
          btnPause = jbutton("pause", "pause"),
          jbutton("upload", "upload"),
          jbutton("assistance", "assistance"))
      )));
  frame.pack();
  setFrameIconLater(frame, "#1003635");
  setFrameWidth(frame, 500);
  exitOnFrameClose(frame); // To immediately stop playback
  
  titlePopupMenu(frame,
    voidfunc(JPopupMenu menu) {
      menu.add(jmenuItem("Rescan Library", r { searchLibrary() }));
    });
      
  hideConsole();
  
  player = makeBasicMP3Player();
  
  player.addBasicPlayerListener(new BasicPlayerListener {
    public void opened(Object stream, Map properties) {
      for (Object key : properties.keySet())
        print("opened: " + key + "=" + properties.get(key));

      // Try to find duration of song
      final Number bytes = (Number) properties.get("audio.length.bytes");
    long microseconds = 0;
      O duration = properties.get("duration");
      
      if (duration instanceof Number)
        microseconds = ((Number) duration).longValue();
      else pcall {
        long frames = asLong(properties.get("audio.length.frames"));
        long fps = asLong(properties.get("audio.framerate.fps"));
        microseconds = frames*1000000/fps;
      }
      
      final long _microseconds = microseconds;
      
      awt {
        songDuration = (int) (_microseconds / 1000);
        seeker.setMaximum(songDuration);
        seeker.setEnabled(true);
        seeker.setMajorTickSpacing(10000); // 10 seconds
        updateText();
        songBytes = bytes.longValue();
      }
    }

    public void progress(int bytesread, final long microseconds, byte[] pcmdata, Map properties) {
      lastPCMData = pcmdata;
      awt {
        if (!seeker.getValueIsAdjusting()) {
          int ms = (int) (microseconds / 1000) + seekValue;
          seeker.setValue(ms);
          position = ms;
          updateText();
        }
      }
    }

    public void stateUpdated(BasicPlayerEvent event) {
      awt {
        updateStateStuff();
      }
    }

    public void setController(BasicController controller) {}
  });
  
  makeBot("Music Player.");
}

svoid searchLibrary {
  thread "Searching Music..." {
    dataToTable_uneditable(table, musicFilesTable(findMusicFiles()));
  }
}

svoid play(File f) {
  if (f == null) ret;
  mp3 = f;
  setFrameTitle(frame, f.getName() + " - " + getProgramTitle());
  logStructure(getProgramFile("#1003634", "player.log"), litlist(now(), "Playing", f.getAbsolutePath()));
  play();
  updateLastPlayed();
}

svoid playAgain() ctex {
  if (isPaused())
    player.resume();
  else {
    logStructure(getProgramFile("#1003634", "player.log"), litlist(now(), "Playing again"));
    play();
  }
}

svoid play() ctex {
  seekValue = 0;
  player.open(mp3);
  player.play();
}

sbool isPlaying() {
  ret player.getStatus() == player.PLAYING;
}

sbool isPaused() {
  ret player.getStatus() == player.PAUSED;
}

svoid pause() ctex {
  if (isPaused())
    player.resume();
  else
    player.pause();
}

svoid updateStateStuff {
  btnPause.setText(isPaused() ? "resume" : "pause");
}

svoid updateText {
  text.setText(formatMinuteAndSeconds(position/1000) + " / " + formatMinuteAndSeconds(songDuration/1000));
}

svoid seek(int milliseconds) {
  if (mp3 == null) ret;
  long bytes = (long) (milliseconds*((double) songBytes)/songDuration);
  print("ms=" + milliseconds + ", songBytes=" + songBytes + ", duration=" + songDuration + ", bytes=" + bytes);
  
  pcall {
    seekValue = milliseconds;
    player.open(mp3);
    player.seek(bytes);
    player.play();
  }
}

static L<File> findLastPlayed() {
  new L<File> l;
  new Set<S> seen;
  for (S s : reversedList(scanLog("#1003634", "player.log"))) pcall {
    L line = unstructureList(s);
    if (eq(get(line, 1), "Playing")) {
      S file = getString(line, 2);
      if (seen.add(file))
        l.add(new File(file));
    }
  }
  ret l;
}

static void updateLastPlayed() {
  dataToTable_uneditable(lastPlayed, musicFilesTable(findLastPlayed()));
}

static File fileFromTable(JTable table, int row) {
  SS map = getTableLineAsMap(table, row);
  File f = new File(map.get("Location"), map.get("Name"));
  if (!f.exists()) print("Oops, file not found: " + f.getAbsolutePath());
  ret f;
}

static void upload() {
  thread "Uploading" {
    loading {
      uploadFileToPhoneServer(mp3);
    }
  }
}

answer {
  if "play again" {
    if (mp3 == null) ret "No song";
    swingLater(r { playAgain(); });
    ret "OK";
  }
  if "are you playing" ret yn(isPlaying());
  if "are you paused" ret yn(isPaused());
  if "play file *" {
    awt { play(new File(m.unq(0))); }
    ret "OK";
  }
  if "get file" ret structure(mp3);
  if "pcm data" ret structure(lastPCMData);
  if "pcm data * " ret lastPCMData == null ? "null" : structure(subArray(lastPCMData, 0, min(lastPCMData.length, m.psi(0))));
}

svoid assistance {
  assist();
}