#ifndef IMGUI_CWIDGET_H
#define IMGUI_CWIDGET_H
#include "CApplication.h"

#define C_Key1 std::placeholders::_1
#define C_Key2 std::placeholders::_2

namespace CTL {
    class GUI_Widget : public GUI_Application{
        virtual void onInit(){};
        virtual void onParent(){};
        void KeyEventHandler();
        GLFWimage Icon[2] = { 0 };
        // 全局变量，用于跟踪鼠标状态和窗口移动
        int mouseInitialX = 0;
        int mouseInitialY = 0;
        int windowLastX = 0;
        int windowLastY = 0;
    #ifdef _WIN32
        POINT dragStartPos;
        RECT r1;
        HICON hicon;
    #elif __linxu__

    #endif
        ImVec2 MouseXY,XY;
        bool mouseButtonPressed = false,Iconbool = false,Framequeue = false,Funlook = true;
        double damping = 0.5; // 阻尼系数，用于平滑移动
        int Round = 0,FrameTime = 10;
        unsigned char* datas{};int width = 1024, height = 800, nrChannels = 0;
        GUI_Application* application = nullptr;
        std::function<void()> task_Click_L;
        std::function<void()> task_Click_R;
        std::function<void()> task_Click_M;
        std::function<void()> Fun_Close;
        std::function<void()> Fun_onInit;
        std::function<void()> Fun_onParent;
        std::function<void()> Fun_ReSize;
        std::function<void(std::string Keyboard,KeyMode KeyMode)> DefaultKeyFun;
        std::thread AB;
        std::thread ABC;
        std::thread ABCD;
        std::queue<std::function<void()>> funcQueue;
        std::mutex funcMutex;



    public:
    #ifdef _WIN32

    #elif __linux__

    #endif
        void SetSize(HSize size);
        void SetPosition(HPos position);
        void SetOpacity(int opacity);
        HPos GetPosition();
        HSize GetSize();
        bool SetIcon(const unsigned char* Mem,const int MemSize);
        bool SetIcon(const char* path);
        void MouseWindow();
        void SetRound(int x);
        void SetBackground(RGBA rgba);
        RGBA GetBackground();
        void SetNoFrame();
        void SetDamping(float d);
        void Close();
        void SetCenter();
        void SetNewFrameTime(int ms);
        void SetWindowTitle(std::string title);

    public:
        explicit GUI_Widget(GUI_Widget* parent = nullptr);
        //------------------------------------------------------------------
        virtual void Show(GUI_Application* pApplication = nullptr);
        unsigned char* LoadIMGMemory(char const *filename, int *x, int *y, int *comp, int req_comp);
        unsigned char* LoadIMGMemory(const unsigned char *buffer, int len, int *x, int *y, int *comp, int req_comp);
        bool IsWindowFlag = true;
        //------------------------------------------------------------------
        template <typename Func, typename... Args>
        bool Close_Click(Func&& fun, Args&&... args);
        template <typename Func, typename... Args>
        bool Click(ImGuiMouseButton Mouse,Func&& fun, Args&&... args);
        template <typename Func>
        bool SetOnInit(Func&& fun);
        template <typename Func>
        bool SetOnParent(Func&& fun);
        template <typename Func, typename... Args>
        bool ReSizeClick(Func&& fun, Args&&... args);
        template <typename Func, typename... Args>
        bool SetKeyboardClick(Func&& fun, Args&&... args);
        template <typename Func, typename... Args>
        void InvokeMethod(Func&& fun, Args&&... args);

    };

    template <typename Func, typename... Args>
    inline bool GUI_Widget::Close_Click(Func&& fun, Args&&... args){
        Fun_Close = std::bind(std::forward<Func>(fun), std::forward<Args>(args)...);
        return true;
    }

    template <typename Func, typename... Args>
    inline bool GUI_Widget::Click(ImGuiMouseButton Mouse,Func&& fun, Args&&... args){
        if (Mouse == IMBN::ImGuiMouseButton_Left)
        {
            task_Click_L = std::bind(std::forward<Func>(fun), std::forward<Args>(args)...);
        }
        else if (Mouse == IMBN::ImGuiMouseButton_Right)
        {
            task_Click_R = std::bind(std::forward<Func>(fun), std::forward<Args>(args)...);
        }
        else if (Mouse == IMBN::ImGuiMouseButton_Middle)
        {
            task_Click_M = std::bind(std::forward<Func>(fun), std::forward<Args>(args)...);
        }
        return true;
    }

    template <typename Func>
    inline bool GUI_Widget::SetOnParent(Func&& fun)
    {
        Fun_onParent = std::bind(std::forward<Func>(fun));
        return true;
    }

    template <typename Func>
    inline bool GUI_Widget::SetOnInit(Func&& fun)
    {
        Fun_onInit = std::bind(std::forward<Func>(fun));
        return true;
    }

    template <typename Func, typename... Args>
    inline bool GUI_Widget::ReSizeClick(Func&& fun, Args&&... args){
        Fun_ReSize = std::bind(std::forward<Func>(fun), std::forward<Args>(args)...);
        return true;
    }

    template <typename Func, typename... Args>
    inline bool GUI_Widget::SetKeyboardClick(Func&& fun, Args&&... args){
        DefaultKeyFun = std::bind(std::forward<Func>(fun), std::forward<Args>(args)...);
        return true;
    }

    template <typename Func, typename... Args>
    inline void GUI_Widget::InvokeMethod(Func&& fun, Args&&... args){
        if(Framequeue){
            std::this_thread::sleep_for(std::chrono::milliseconds(16));
            if(funcMutex.try_lock()){
                //Funlook = false;
                funcQueue.push(std::bind(std::forward<Func>(fun), std::forward<Args>(args)...));
                funcMutex.unlock();
            }
        }
    }
}


#endif