#include "MagnumDrawable.h"

#include <Magnum/SceneGraph/Camera.h>

#include "Components.h"

namespace Rendering::Magnum
{
    void Drawable::draw(const Matrix4& transformationMatrix, SceneGraph::Camera3D& camera)
    {
        const auto mesh = _registry.try_get<Components::Mesh>(_entity);
        if (!mesh) return;

        if (const auto material = _registry.try_get<Components::Material>(_entity))
        {
            material->_shader->
                 setDiffuseColor(material->phongConfig->diffuse)
                .setAmbientColor(material->phongConfig->ambient)
                .setSpecularColor(material->phongConfig->specular)
                .setShininess(material->phongConfig->shininess)
                .setLightPositions({
                    {camera.cameraMatrix().transformPoint({-3.0f, 10.0f, 10.0f}), 0.0f}
                })
                .setTransformationMatrix(transformationMatrix)
                .setNormalMatrix(transformationMatrix.normalMatrix())
                .setProjectionMatrix(camera.projectionMatrix())
                .draw(*mesh->mesh);

            if (material->texture)
            {
                material->_shader->bindDiffuseTexture(*material->texture);
            }
        }
        else
        {
            // TODO: Have a default rendering method
        }
    }
}