/**
  * @RDE_HEADER@
  * The FileContentPreviewPlaybackWidget offers an UI to preview a FileContent
  * $Id$
  * $HeadURL$
  * $Author$
  * Created by Iuliana Ojog, SLSE, 2017-06-02
  */

#pragma once

#include "flm_get_content.h"

#include <LtsWidgets/lts_frameless_dialog.h>
#include <FileManagement/logger.h>
#include <Services/FileManagement/flm_ftc.h>
#include <QTimer>

// TODO: in a config ?
#define ZOOM_MIN 0.5
#define ZOOM_MAX 2.0
#define ZOOM_DEFAULT 1.0

namespace Ui
{
class FileContentPreviewPlaybackWidget;
}

namespace NGL
{
class PDFWidget;
}

namespace FileManagement
{
class FileContentPreviewPlaybackWidget
  : public QWidget
{
  Q_OBJECT
public:
  explicit FileContentPreviewPlaybackWidget(const std::shared_ptr<FileManagement::Interface::Ftc> &ftc,
                                            QWidget *parent = nullptr);
  ~FileContentPreviewPlaybackWidget();

  bool init(const FileContent &data, int pageNo = -1, double zoomFactor = ZOOM_DEFAULT,
            int rotation = 0, int duration = 0, const QString &userText = QString());

  bool pauseTimer();
  bool startTimer();

  int getNumPages() const;
  int getCurPage() const;

  void setPage(int pageNo);
  void setZoomFactor(double zoomFactor);
  void setRotation(int rotation);
  void ensureDataIsSet();

  void showEvent(QShowEvent *e) override;
Q_SIGNALS:
  void currentPageChanged(int curPage);
  void rotationChanged(int rotation);
private:
  Ui::FileContentPreviewPlaybackWidget *m_ui{nullptr};
  std::shared_ptr<FileManagement::Interface::Ftc> m_ftc;
  GetFileContent                       *m_getContent{nullptr};
  FileContent                           m_data;
  std::vector<uint8_t>                  m_content;
  int                                   m_duration{0};
  int                                   m_pageNo{-1};
  double                                m_zoomFactor{ZOOM_DEFAULT};
  int                                   m_rotation; // degree
  QTimer                                m_closeTimer;
  NGL::PDFWidget                       *m_pdfWidget{nullptr};
  QString                               m_userText;
  LOGGER_T                              m_logger;
};

}