#pragma once

#include "timeline_utils.h"

#include <LtsTimeline/ltstimeline_export.h>
#include <NGLLogger/INGLLogger.h>

#include <QWidget>


class QScrollBar;
class QAbstractItemModel;


namespace Ui
{
class Timeline;
}


namespace LtsTimeline
{

class TimelineView;
class TimelineHeaderView;
class TimelineModel;


class LTSTIMELINE_EXPORT TimelineWidget : public QWidget
{
  Q_OBJECT

public:
  explicit TimelineWidget(QWidget *parent = nullptr);
  ~TimelineWidget();

  TimelineView *view();

  TimelineHeaderView *header();

  TimelineModel *timelineModel();
  void setModel(QAbstractItemModel *model);

  QScrollBar *slider();

  ZoomFactor zoomFactor() const;
  void setZoomFactor(ZoomFactor factor);

  ZoomFactor minimumZoomFactor() const;
  void setMinimumZoomFactor(ZoomFactor factor);

  ZoomFactor maximumZoomFactor() const;
  void setMaximumZoomFactor(ZoomFactor factor);

  qint64 startTime() const;
  void setStartTime(qint64 time);

  qint64 currentTime() const;
  void setCurrentTime(qint64 time);

  qint64 endTime() const;
  void setEndTime(qint64 time);

  int duration() const;
  void setDuration(int duration);

  bool isCursorTextVisible() const;
  void setCursorTextVisible(bool visible);
  void setCursorText(const QString &text);
  void setCursorText(const QStringList &texts);

  bool isSnapEnabled() const;
  void setSnapEnabled(bool enabled);
  void enableSnap();
  void disableSnap();
  void triggerSnap();

  void setZoomInIcon(QIcon icon);
  void setZoomOutIcon(QIcon icon);

  QWidget *placeholder();
  void setPlaceholder(QWidget *widget);

  void showDebugWidget();
  void hideDebugWidget();

private:
  void populateZoomFactorComboBox();

public:
  void onUpdateZoomButtons();

private slots:
  void onSectionResized(int logicalIndex, int oldSize, int newSize);
  void onSliderValueChanged(int value);
  void onZoomChanged(ZoomFactor factor);
  void onZoomSelected();
  void onZoomIn();
  void onZoomOut();

  void onUpdateDebugInfo();

signals:

private:
  Ui::Timeline *m_ui{nullptr};
  NGL::INGLLogger &m_logger;

};

}