#ifndef WX_PRECOMP
#include <wx/wx.h>
#endif

#include <wx/gdicmn.h> // wxPointに必要
#include <wx/frame.h>  // wxFrameに必要


#ifdef _DEBUG
#pragma comment(lib, "D:\\cmmon\\cef_binary_138.0.15+gd0f1f64+chromium-138.0.7204.50_windows64\\Debug\\libcef.lib")
#pragma comment(lib, "D:\\cmmon\\MD\\Debug\\libcef_dll_wrapper.lib")
#else
#pragma comment(lib, "D:\\cmmon\\cef_binary_138.0.15+gd0f1f64+chromium-138.0.7204.50_windows64\\Release\\libcef.lib")
#pragma comment(lib, "D:\\cmmon\\MD\\Release\\libcef_dll_wrapper.lib")
#endif


#include <wx/evtloop.h>

/////////////////////////////////////
/////////////////////////////////////
/////////////////////////////////////
#include <include/cef_app.h>

#include <string>


wxBitmap FromRGBA(const unsigned char* rgba_buffer, int width, int height)
{
    // wxImage用にRGBを抜き出す
    // 既存の生配列からstd::vectorへの変換例
    std::vector<unsigned char> rgb_data(rgba_buffer, rgba_buffer + width * height * 3);

    for (int i = 0; i < width * height; ++i) {
        rgb_data[i * 3 + 0] = rgba_buffer[i * 4 + 2];
        rgb_data[i * 3 + 1] = rgba_buffer[i * 4 + 1];
        rgb_data[i * 3 + 2] = rgba_buffer[i * 4 + 0];
    }

    wxImage image(width, height, rgb_data.data(), true);

    // wxBitmapへ変換
    return wxBitmap(image);

}

class MyRenderHandler : public CefRenderHandler {
public:
    wxFrame* m_pFrame = nullptr;
    wxBitmap *m_pbitmap = nullptr;
    void setBitmap(wxBitmap *bmp) {
        m_pbitmap = bmp;
    }
    void setFrame(wxFrame* frame) {
        m_pFrame = frame;
    }

    // GetViewRect() をoverrideする
    // 必須：ビューポートのサイズを返す
    void GetViewRect(CefRefPtr<CefBrowser> browser, CefRect& rect) override {
        // ビューポートのサイズを返す
        rect = CefRect(0, 0, width_, height_);
    }

    // 必須：レンダリング結果がここに来る
    void OnPaint(CefRefPtr<CefBrowser> browser,
        PaintElementType type,
        const RectList& dirtyRects,
        const void* buffer,
        int width, int height) override {

        // ※ buffer は 32bit BGRA フォーマット
        *m_pbitmap = FromRGBA(static_cast<const unsigned char*>(buffer), width, height);

        if (m_pFrame) {
            m_pFrame->Refresh(); // ウィンドウを更新
        }

    }

    // 例: サイズを外から設定
    void SetSize(int w, int h) {
        width_ = w; height_ = h;
    }

private:
    int width_ = 800;
    int height_ = 600;

    IMPLEMENT_REFCOUNTING(MyRenderHandler);
};

class MyHandler : 
    public CefClient, 
    public CefLifeSpanHandler  {

    //
    CefRefPtr<CefRenderHandler> renderHandler_;

public:

    //
    MyHandler(CefRefPtr<CefRenderHandler> renderHandler)
        : renderHandler_(renderHandler) {}

    //
    CefRefPtr<CefRenderHandler> GetRenderHandler() override {
        return renderHandler_;
    }


    CefRefPtr<CefLifeSpanHandler> GetLifeSpanHandler() override {
        return this;
    }

    void OnAfterCreated(CefRefPtr<CefBrowser> browser) override {
        m_Browser = browser;
    }

    void OnBeforeClose(CefRefPtr<CefBrowser> browser) override {
        m_Browser = nullptr;

        // イベントから抜ける
        if (wxEventLoopBase::GetActive()) {
            wxEventLoopBase::GetActive()->Exit();
        }

    }

    void CloseAllBrowsers(bool force_close) {
        if (m_Browser) {
            m_Browser->GetHost()->CloseBrowser(force_close);
        }
    }


    CefRefPtr<CefBrowser> GetBrowser() { return m_Browser; }

    IMPLEMENT_REFCOUNTING(MyHandler);

private:
    CefRefPtr<CefBrowser> m_Browser;
};