//
// Created on 2026/2/18.
//
// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
// please include "napi/native_api.h".

#ifndef OCCT_RENDER_THREAD_H
#define OCCT_RENDER_THREAD_H
#include <thread>
#include <atomic>
#include <mutex>
#include <condition_variable>
#include <queue>
#include <functional>

#include "EGLCore/EGLCore.h"
#include "OCCTRender/OCCTRender.h"

namespace OCCTRenderer {

class OCCTRenderThread {
public:
    OCCTRenderThread();
    ~OCCTRenderThread();
    
    bool start(OHNativeWindow* window);
    void stop();
    
    void loadModel(const std::string& filePath);
    void setRotation(float xAngle, float yAngle);
    void setTranslation(float x, float y);
    void resetView();
    void setClearColor(float r, float g, float b, float a);
    void resizeWindow(int width, int height);
    
    using Callback = std::function<void()>;
    void registerRenderCompleteCallback(Callback callback);
    
private:
    void renderLoop();
    
    std::thread renderThread_;
    std::atomic<bool> isRunning_;
    
    OHNativeWindow* nativeWindow_;
    EGLCore eglCore_;
    OCCTRender renderer_;
    
    std::mutex commandMutex_;
    std::condition_variable commandCondition_;
    
    enum CommandType {
        CMD_LOAD_MODEL,
        CMD_SET_ROTATION,
        CMD_SET_TRANSLATION,
        CMD_RESET_VIEW,
        CMD_SET_CLEAR_COLOR,
        CMD_RESIZE,
        CMD_EXIT
    };
    
    struct RenderCommand {
    CommandType type;
    std::string param1; // For file path
    float param2, param3, param4, param5;
    RenderCommand() : type(CMD_EXIT), param1(""), param2(0.0f), param3(0.0f), param4(0.0f), param5(0.0f) {}
    RenderCommand(CommandType t) : type(t), param1(""), param2(0), param3(0), param4(0), param5(0) {}
};
    
    std::queue<RenderCommand> commandQueue_;
    
    std::mutex callbackMutex_;
    Callback renderCompleteCallback_;
    
    int windowWidth_;
    int windowHeight_;
};
} // namespace OCCTRenderer
#endif //OCCT_RENDER_THREAD_H