/*****************************************************************************************
 *                                                                                       *
 * OpenSpace                                                                             *
 *                                                                                       *
 * Copyright (c) 2014-2024                                                               *
 *                                                                                       *
 * 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,    *
 * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to    *
 * permit persons to whom the Software is furnished to do so, subject to the following   *
 * conditions:                                                                           *
 *                                                                                       *
 * The above copyright notice and this permission notice shall be included in all copies *
 * or substantial portions of the Software.                                              *
 *                                                                                       *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,   *
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A         *
 * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT    *
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF  *
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE  *
 * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                                         *
 ****************************************************************************************/

#include <modules/base/lightsource/cameralightsource.h>

#include <openspace/documentation/documentation.h>
#include <openspace/documentation/verifier.h>
#include <openspace/util/updatestructures.h>
#include <optional>

namespace {
    constexpr openspace::properties::Property::PropertyInfo IntensityInfo = {
        "Intensity",
        "Intensity",
        "The intensity of this light source.",
        openspace::properties::Property::Visibility::NoviceUser
    };

    struct [[codegen::Dictionary(CameraLightSource)]] Parameters {
        // [[codegen::verbatim(IntensityInfo.description)]]
        std::optional<float> intensity;
    };
#include "cameralightsource_codegen.cpp"
} // namespace

namespace openspace {

documentation::Documentation CameraLightSource::Documentation() {
    return codegen::doc<Parameters>("base_camera_light_source");
}

CameraLightSource::CameraLightSource()
    : _intensity(IntensityInfo, 1.f, 0.f, 1.f)
{
    addProperty(_intensity);
}

CameraLightSource::CameraLightSource(const ghoul::Dictionary& dictionary)
    : LightSource(dictionary)
    , _intensity(IntensityInfo, 1.f, 0.f, 1.f)
{
    const Parameters p = codegen::bake<Parameters>(dictionary);
    _intensity = p.intensity.value_or(_intensity);
    addProperty(_intensity);
}

float CameraLightSource::intensity() const {
    return _intensity;
}

glm::vec3 CameraLightSource::directionViewSpace(const RenderData&) const {
    return glm::vec3(0.f, 0.f, 1.f);
}

} // namespace openspace