#ifndef _T_ENGINE_H
#define _T_ENGINE_H

#include "APIExport.h"
#include "APIBoundaryTypes.h"
#include "TMaterialInstance.h"
#include "TTexture.h"
#include "ResourceBuffer.hpp"
#include "MathUtils.hpp"

#ifdef __cplusplus
extern "C"
{
#endif

enum TBackend {
    BACKEND_DEFAULT = 0,  //!< Automatically selects an appropriate driver for the platform.
    BACKEND_OPENGL = 1,   //!< Selects the OpenGL/ES driver (default on Android)
    BACKEND_VULKAN = 2,   //!< Selects the Vulkan driver if the platform supports it (default on Linux/Windows)
    BACKEND_METAL = 3,    //!< Selects the Metal driver if the platform supports it (default on MacOS/iOS).
    BACKEND_NOOP = 4,     //!< Selects the no-op driver for testing purposes.
};

EMSCRIPTEN_KEEPALIVE TEngine *Engine_create(TBackend backend);
EMSCRIPTEN_KEEPALIVE TRenderer *Engine_createRenderer(TEngine *tEngine);
EMSCRIPTEN_KEEPALIVE TSwapChain *Engine_createSwapChain(TEngine *tEngine, void *window, uint64_t flags);
EMSCRIPTEN_KEEPALIVE TSwapChain *Engine_createHeadlessSwapChain(TEngine *tEngine, uint32_t width, uint32_t height, uint64_t flags);
EMSCRIPTEN_KEEPALIVE TCamera *Engine_createCamera(TEngine* tEngine);
EMSCRIPTEN_KEEPALIVE TView *Engine_createView(TEngine *tEngine);
EMSCRIPTEN_KEEPALIVE TCamera *Engine_getCameraComponent(TEngine* tEngine, EntityId entityId);
EMSCRIPTEN_KEEPALIVE TTransformManager *Engine_getTransformManager(TEngine *engine);
EMSCRIPTEN_KEEPALIVE TRenderableManager *Engine_getRenderableManager(TEngine *engine);
EMSCRIPTEN_KEEPALIVE TLightManager *Engine_getLightManager(TEngine *engine);
EMSCRIPTEN_KEEPALIVE TEntityManager *Engine_getEntityManager(TEngine *engine);
EMSCRIPTEN_KEEPALIVE TTexture *Engine_buildTexture(TEngine *engine, 
    uint32_t width, 
    uint32_t height, 
    uint32_t depth, 
    uint8_t levels, 
    TTextureSamplerType sampler, 
    TTextureFormat format);
EMSCRIPTEN_KEEPALIVE void Engine_destroyTexture(TEngine *tEngine, TTexture *tTexture);

EMSCRIPTEN_KEEPALIVE TFence *Engine_createFence(TEngine *tEngine);
EMSCRIPTEN_KEEPALIVE void Engine_destroyFence(TEngine *tEngine, TFence *tFence);
EMSCRIPTEN_KEEPALIVE void Engine_flushAndWait(TEngine *tEngine);
    
EMSCRIPTEN_KEEPALIVE TMaterial *Engine_buildMaterial(TEngine *tEngine, const uint8_t* materialData, size_t length);
EMSCRIPTEN_KEEPALIVE void Engine_destroyMaterial(TEngine *tEngine, TMaterial *tMaterial);
EMSCRIPTEN_KEEPALIVE TScene *Engine_createScene(TEngine *tEngine);
EMSCRIPTEN_KEEPALIVE TSkybox *Engine_buildSkybox(TEngine *tEngine, uint8_t* ktxData, size_t length, void(*onTextureUploadComplete)());



#ifdef __cplusplus
}
#endif

#endif