/*****************************************************************************************
 *                                                                                       *
 * OpenSpace                                                                             *
 *                                                                                       *
 * Copyright (c) 2014-2023                                                               *
 *                                                                                       *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this  *
 * software and associated documentation files (the "Software"), to deal in the Software *
 * without restriction, including without limitation the rights to use, copy, modify,    *
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 * permit persons to whom the Software is furnished to do so, subject to the following   *
 * conditions:                                                                           *
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 * The above copyright notice and this permission notice shall be included in all copies *
 * or substantial portions of the Software.                                              *
 *                                                                                       *
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 ****************************************************************************************/

#ifndef __OPENSPACE_MODULE_SPACECRAFTINSTRUMENTS___RENDERABLEMODELPROJECTION___H__
#define __OPENSPACE_MODULE_SPACECRAFTINSTRUMENTS___RENDERABLEMODELPROJECTION___H__

#include <openspace/rendering/renderable.h>

#include <modules/spacecraftinstruments/util/image.h>
#include <modules/spacecraftinstruments/util/projectioncomponent.h>
#include <openspace/properties/stringproperty.h>
#include <openspace/properties/vector/vec3property.h>
#include <ghoul/misc/managedmemoryuniqueptr.h>
#include <ghoul/opengl/uniformcache.h>

namespace ghoul::opengl {
    class ProgramObject;
    class Texture;
} // namespace ghoul::opengl

namespace ghoul::modelgeometry { class ModelGeometry; }

namespace openspace {

namespace documentation { struct Documentation; }

struct RenderData;
struct UpdateData;

class RenderableModelProjection : public Renderable {
public:
    RenderableModelProjection(const ghoul::Dictionary& dictionary);
    ~RenderableModelProjection() override;

    void initializeGL() override;
    void deinitializeGL() override;

    bool isReady() const override;

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

    ghoul::opengl::Texture& baseTexture() const;

    static documentation::Documentation Documentation();

private:
    glm::mat4 attitudeParameters(double time, const glm::vec3& up);
    void imageProjectGPU(const ghoul::opengl::Texture& projectionTexture,
        const glm::mat4& projectorMatrix);

    ProjectionComponent _projectionComponent;

    std::unique_ptr<ghoul::opengl::ProgramObject> _programObject;
    UniformCache(performShading, directionToSunViewSpace, modelViewTransform,
        projectionTransform, projectionFading, baseTexture,
        projectionTexture) _mainUniformCache;

    std::unique_ptr<ghoul::opengl::ProgramObject> _fboProgramObject;
    UniformCache(projectionTexture, depthTexture, needShadowMap, ProjectorMatrix,
        ModelTransform, boresight) _fboUniformCache;
    std::unique_ptr<ghoul::opengl::ProgramObject> _depthFboProgramObject;
    UniformCache(ProjectorMatrix, ModelTransform) _depthFboUniformCache;

    std::unique_ptr<ghoul::modelgeometry::ModelGeometry> _geometry;
    double _modelScale = 1.0;
    bool _invertModelScale = false;

    glm::dmat3 _instrumentMatrix = glm::dmat3(1.0);

    // uniforms
    glm::mat4 _transform = glm::mat4(1.f);
    glm::vec3 _boresight = glm::vec3(0.f);

    std::vector<Image> _imageTimes;

    bool _shouldCapture = false;

    glm::vec3 _sunPosition = glm::vec3(0.f);
    properties::BoolProperty _performShading;
};

} // namespace openspace

#endif // __OPENSPACE_MODULE_SPACECRAFTINSTRUMENTS___RENDERABLEMODELPROJECTION___H__