#include <filament/View.h>
#include <filament/Viewport.h>
#include <filament/Engine.h>
#include <filament/ToneMapper.h>
#include <filament/ColorGrading.h>
#include <filament/Camera.h>
#include <utils/Entity.h>

#include "ThermionDartApi.h"
#include "TCamera.h"
#include "ThermionDartAPIUtils.h"

#include "Log.hpp"

#ifdef __cplusplus
namespace thermion
{
    extern "C"
    {
        using namespace filament;

#endif

        EMSCRIPTEN_KEEPALIVE void Camera_setCustomProjectionWithCulling(TCamera *tCamera, double4x4 projectionMatrix, double near, double far)
        {
            auto *camera = reinterpret_cast<Camera *>(tCamera);
            camera->setCustomProjection(convert_double4x4_to_mat4(projectionMatrix), near, far);
        }

        EMSCRIPTEN_KEEPALIVE double4x4 Camera_getModelMatrix(TCamera *tCamera)
        {
            auto *camera = reinterpret_cast<Camera *>(tCamera);
            return convert_mat4_to_double4x4(camera->getModelMatrix());
        }

        EMSCRIPTEN_KEEPALIVE double4x4 Camera_getViewMatrix(TCamera *const tCamera)
        {
            auto *camera = reinterpret_cast<Camera *>(tCamera);
            return convert_mat4_to_double4x4(camera->getViewMatrix());
        }

        EMSCRIPTEN_KEEPALIVE EntityId Camera_getEntity(TCamera *tCamera)
        {
            auto *camera = reinterpret_cast<Camera *>(tCamera);
            return utils::Entity::smuggle(camera->getEntity());
        }

        EMSCRIPTEN_KEEPALIVE double Camera_getFocalLength(TCamera *const tCamera)
        {
            auto *camera = reinterpret_cast<Camera *>(tCamera);
            return camera->getFocalLength() * 1000.0;
        }

        EMSCRIPTEN_KEEPALIVE double Camera_getNear(TCamera *const tCamera)
        {
            auto *camera = reinterpret_cast<Camera *>(tCamera);
            return camera->getNear();
        }

        EMSCRIPTEN_KEEPALIVE double Camera_getCullingFar(TCamera *const tCamera)
        {
            auto *camera = reinterpret_cast<Camera *>(tCamera);
            return camera->getCullingFar();
        }

        EMSCRIPTEN_KEEPALIVE void Camera_setProjection(TCamera *const tCamera, Projection projection, double left, double right,
                                                       double bottom, double top,
                                                       double near, double far)
        {
            auto *camera = reinterpret_cast<Camera *>(tCamera);
            filament::Camera::Projection filamentProjection;
            switch(projection) {
                case Projection::Orthographic:
                    filamentProjection = filament::Camera::Projection::ORTHO; 
                case Projection::Perspective:
                    filamentProjection = filament::Camera::Projection::PERSPECTIVE; 
            }
            camera->setProjection(filamentProjection, left, right, bottom, top, near, far);
        }

#ifdef __cplusplus
    }
}
#endif