/*****************************************************************************************
 *                                                                                       *
 * OpenSpace                                                                             *
 *                                                                                       *
 * Copyright (c) 2014-2023                                                               *
 *                                                                                       *
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 * permit persons to whom the Software is furnished to do so, subject to the following   *
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 * or substantial portions of the Software.                                              *
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#ifndef __OPENSPACE_MODULE_SPACE___RENDERABLECONSTELLATIONSBASE___H__
#define __OPENSPACE_MODULE_SPACE___RENDERABLECONSTELLATIONSBASE___H__

#include <openspace/rendering/renderable.h>

#include <modules/space/labelscomponent.h>
#include <openspace/properties/optionproperty.h>
#include <openspace/properties/selectionproperty.h>
#include <openspace/properties/vector/vec3property.h>
#include <openspace/properties/vector/ivec2property.h>
#include <openspace/util/distanceconversion.h>
#include <ghoul/misc/managedmemoryuniqueptr.h>
#include <ghoul/opengl/ghoul_gl.h>
#include <map>
#include <vector>

namespace ghoul::opengl { class ProgramObject; }

namespace openspace {

namespace documentation { struct Documentation; }

/**
 * This is a base class for constellation lines and bounds
 */
class RenderableConstellationsBase : public Renderable {
public:
    virtual ~RenderableConstellationsBase() override = default;

    virtual void initialize() override;
    virtual void initializeGL() override = 0;
    virtual void deinitializeGL() override = 0;

    virtual bool isReady() const override;

    virtual void render(const RenderData& data, RendererTasks& rendererTask) override;

    static documentation::Documentation Documentation();

protected:
    explicit RenderableConstellationsBase(const ghoul::Dictionary& dictionary);

    /**
     * Callback method that gets triggered when `_constellationSelection` changes
     */
    virtual void selectionPropertyHasChanged() = 0;

    /// Takes the given constellation `identifier` and returns the corresponding
    /// full name
    std::string constellationFullName(const std::string& identifier) const;

    // Width for the rendered lines
    properties::FloatProperty _lineWidth;

    // Property that stores all constellations chosen by the user to be drawn
    properties::SelectionProperty _selection;

    // Temporary storage of which constellations should be rendered as stated in the
    // asset file
    std::vector<std::string> _assetSelection;

    // Labels
    bool _hasLabels = false;
    // Everything related to the labels is handled by LabelsComponent
    std::unique_ptr<LabelsComponent> _labels;

private:
    // Map over the constellations names and their abbreviations
    // key = abbreviation, value = full name
    std::map<std::string, std::string> _namesTranslation;

    /**
     * Loads the file specified in `_constellationNamesFilename` that contains
     * the mapping between abbreviations and full names of constellations
     */
    void loadConstellationFile();

    /// Fills the `_constellationSelection` property with all constellations
    void fillSelectionProperty();

    // The file containing constellation names and abbreviations
    properties::StringProperty _namesFilename;
};

} // namespace openspace

#endif // __OPENSPACE_MODULE_SPACE___RENDERABLECONSTELLATIONSBASE___H__
