/**
  * STUB-Header für ElevationMapManager - Qt6 Migration
  * Diese Datei ermöglicht das Kompilieren von LtsElevation ohne das vollständige ElevationMap-Modul
  */

#pragma once

#include <QtCore/QObject>
#include <QtCore/QStringList>
#include <QtCore/QRectF>
#include <QtCore/QPointF>
#include <vector>

// QPoint3D ist bereits in LtsUtilsCore/qpoint3d.h definiert
// #include "LtsUtils/qpoint3d.h"  // Wird von lts_elevation_manager.h included

namespace LtsUtils
{
// Forward-Referenz, Definition erfolgt in qpoint3d.h
struct QPoint3D;
} // namespace LtsUtils

using LOSVector = std::vector<double>;

namespace SituationMap
{

// The NGL build uses -fvisibility=hidden; LtsElevation links this class
// across the shared library boundary, so it needs default visibility.
class __attribute__((visibility("default"))) ElevationMapManager final : public QObject
{
    Q_OBJECT

public:
    ElevationMapManager();
    ElevationMapManager(const ElevationMapManager &)              = delete;
    ElevationMapManager &operator = (const ElevationMapManager &) = delete;
    ~ElevationMapManager();

    int init(const QStringList &filePaths_rough_to_fine);
    void cleanupCurrentContent();

    bool waitForInitialization();
    bool isValid() const;

    double elevation(double lon_rad, double lat_rad, bool *bIsCovered = nullptr) const;
    double elevation(double lon_rad, double lat_rad, double defaultValue, bool *bIsCovered = nullptr) const;

    QRectF simpleUnitedExtent() const;

    bool contains(const QPointF &point) const;

    void LOSProfile(const QPointF &start, const QPointF &end, LOSVector &losProfile);

    enum class LineOfSight { LOS_UNDEFINED = 0,
                             LOS_ERROR,
                             LOS_VISIBLE,
                             LOS_INVISIBLE };

    LineOfSight lineOfSightCalculation(const LOSVector &losProfile,
                                       double centerHat,
                                       double objHat) const;

    LineOfSight lineOfSightCalculation(const LtsUtils::QPoint3D &startPointGeo_absZ,
                                       const LtsUtils::QPoint3D &endPointGeo_absZ);

    LineOfSight lineOfSightCalculation(const QPointF &startPointGeo, double startHat,
                                       const QPointF &endPointGeo, double endHat);

protected:
    class Private;
    Private *d;
}; // ElevationMapManager

} // namespace SituationMap