#pragma once

#include <string>
#include <iostream>

#include <assimp/Importer.hpp>      // C++ importer interface
#include <assimp/scene.h>           // Output data structure
#include <assimp/postprocess.h>     // Post processing flags

#include <epoxy/gl.h>
#include <epoxy/glx.h>

#include "glclasses.hpp"

// TODO: hide assimp inside
// and enable/disable
// to use own binary format without assimp for speed/compatibiblity

// TODO: add lod-options
// TODO: add generate from openscad options if models missing
namespace endofthejedi {
    class PolygonModel {
        public:
            PolygonModel(const std::string &filename);

            void clear();

            bool import();

            bool uploadToOpenGl();
            bool bind(Shader &shader);
            bool render(Shader& shader);

        private:
            bool copyVertices(const aiScene *scene);

            const std::string &filename() const { return m_filename; }

        private:
            std::string m_filename;
            bool        m_loaded_from_file;
            bool        m_loaded_to_opengl;
            bool        m_binding_active;

            // both will hold 3 * numVertices floats
            std::vector<float> m_data_position;
            std::vector<float> m_data_normal;

            size_t      m_numVertices;

            GLuint      m_vbo_id_position;
            GLuint      m_vbo_id_normal;
    };
}