#pragma once

#ifndef LINETEST_PANE_INCLUDED
#define LINETEST_PANE_INCLUDED

#ifdef LINETEST

#include "pane.h"
#include "linetestviewer.h"
#include "sceneviewer.h"
#include "toonz/imagepainter.h"
#include "toonzqt/intfield.h"
#include "toonzqt/keyframenavigator.h"
#include "toonzqt/flipconsole.h"

#include <QThread>
#include <QWaitCondition>

class QStackedWidget;

//=============================================================================
// MixAudioThread
//-----------------------------------------------------------------------------

class MixAudioThread final : public QThread {
  Q_OBJECT

  bool m_abort;
  bool m_restart;

  int m_from;
  int m_to;

  QWaitCondition m_condition;

  TSoundTrackP m_computedBuffer;
  TSoundTrackP m_buffer;

public:
  QMutex m_mutex;

  MixAudioThread(QObject *parent = 0);
  ~MixAudioThread();

  void computeBuffer(int fromFrame, int toFrame);

  TSoundTrackP getBuffer() { return m_buffer; }

protected:
  void run();

signals:
  void computedBuffer();
};

//=============================================================================
// LineTestPanel
//-----------------------------------------------------------------------------
// Andrebbe messo a fattor comune del codice con ViewerPane
class LineTestPane final : public TPanel {
  Q_OBJECT

  QStackedWidget *m_stackedWidget;
  SceneViewer *m_sceneViewer;
  LineTestViewer *m_lineTestViewer;
  FlipConsole *m_flipConsole;
  ViewerKeyframeNavigator *m_keyFrameButton;

  TSoundTrackP m_mainTrack, m_startTrack;  // used in loop
  TSoundTrackP m_buffer;
  int m_bufferSize;       // in Frames
  int m_nextBufferSize;   // in Frames
  int m_startBufferSize;  // in Frames
  MixAudioThread m_mixAudioThread;
  TSoundOutputDevice *m_player;

  TPanelTitleBarButton *m_previewButton;
  TPanelTitleBarButton *m_cameraStandButton;

  // For audio playback
  int m_trackStartFrame;
  int m_startPlayRange, m_endPlayRange;

public:
  LineTestPane(QWidget *parent = 0, Qt::WFlags flags = 0);
  ~LineTestPane();

protected:
  void showEvent(QShowEvent *);
  void hideEvent(QHideEvent *);

  int computeBufferSize(int frame);
  void computeBuffer(int frame);
  void initSound();
  void playSound();
  void initializeTitleBar(TPanelTitleBar *titleBar);

public slots:
  void changeWindowTitle();
  void onSceneChanged();
  void onXshLevelSwitched(TXshLevel *);
  void updateFrameRange();
  void updateFrameMarkers();

protected slots:
  void setCurrentViewType(int index);
  void onDrawFrame(int frame, const ImagePainter::VisualSettings &settings);
  void onComputedBuffer();
  void onPlayStateChanged(bool);
  void onFrameSwitched();
  void onSceneSwitched();
  void onFrameTypeChanged();
  void onFlipSliderReleased();
};

#endif  // LINETEST

#endif