#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;
};

} // namespace LtsWidgets

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};
};