#pragma once

#include "lts_widgets_export.h"

#include <QObject>


class QTimer;
class QWidget;


namespace LtsWidgets
{
class LtsDialog;
class LtsOverlayLoading;
class LtsProgressDialogHelper;


class LTSWIDGETS_EXPORT LtsGlobalWaitDialog : public QObject
{
  Q_OBJECT

public:
  static LtsGlobalWaitDialog* getInstance();
  void wait(QWidget *parent, const QString &customText = QString()); 
  void wait(const QString &customText = QString()) { wait(nullptr, customText); }
  void done(); 
  void setVisible(bool visible = true);
  void setCustomText(const QString &customText = QString()); 
  void unarm(); 
  void rearm(); 

private:
  friend struct LtsGlobalWaitDialogHandler;

  LtsGlobalWaitDialog();
  ~LtsGlobalWaitDialog();
  static void cleanupGwdInstance();

  void showIt();
  void hideIt();

  int m_waitingCount;
  bool m_visible;
  bool m_armed { true };
  LtsProgressDialogHelper *m_progressDialog;
  QTimer *m_hideTimer;
};

} 




class LTSWIDGETS_EXPORT Waiter
{
public:
  explicit Waiter(const QString &customText = {});
  explicit Waiter(LtsWidgets::LtsDialog *parent, const QString &customText = {});
  ~Waiter();

private:
  LtsWidgets::LtsOverlayLoading *m_loadingOverlay { nullptr };
  LtsWidgets::LtsDialog *m_parent { nullptr };
  bool m_oldClosableState { false };
};