#ifndef CCLOUDSHOW_H
#define CCLOUDSHOW_H

#include <pcl/point_types.h>
#include <pcl/point_cloud.h>
#include <pcl/visualization/pcl_visualizer.h>

#include <atomic>
#include <mutex>
#include <string>

#include "ICloudShow.h"

class vtkOrientationMarkerWidget;

class CCloudShow : public ICloudShow
{
public:
    CCloudShow();
    ~CCloudShow() override;

    int Show(ICloudShow::PointCloudPtr cloud, const std::string& windowName = "PointCloud") override;
    int Start(const std::string& windowName = "PointCloud") override;
    int UpdateCloud(PointCloudPtr cloud) override;
    int Stop() override;
    int SpinOnce(int ms = 1) override;
    bool IsRunning() const override;

    int SaveToTxt(const std::string& fileName, PointCloudPtr cloud) override;

    bool IsQuitRequested() const override;
    bool IsSaveRequested() const override;
    void ClearSaveRequest() override;

private:
    static void keyboardCallback(const pcl::visualization::KeyboardEvent& event, void* cookie);

    std::shared_ptr<pcl::visualization::PCLVisualizer> m_viewer;

    std::atomic<bool> m_bRunning{false};
    std::mutex         m_cloudMutex;

    ICloudShow::PointCloudPtr m_currentCloud;
    bool          m_bUpdated = false;
    bool          m_bFirstCloud = true;
    std::string   m_windowName;

    vtkOrientationMarkerWidget* m_axesWidget = nullptr;

    std::atomic<bool> m_bQuitRequested{false};
    std::atomic<bool> m_bSaveRequested{false};
};

#endif // CCLOUDSHOW_H