#include <AppCore/App.h>
#include <AppCore/Window.h>
#include <AppCore/Overlay.h>
#include <AppCore/JSHelpers.h>
#include <iostream>
#include <Ultralight/Ultralight.h>
#include <spdlog/spdlog.h>
#include <SFML/Window/VideoMode.hpp>

#include "ui_def.hpp"
#include "util.hpp"

using namespace ultralight;

using ultralight::JSObject;
using ultralight::JSArgs;
using ultralight::JSFunction;

class FiltApp : public WindowListener, public LoadListener {
    RefPtr<App> app_;
    RefPtr<Window> window_;
    RefPtr<Overlay> overlay_;

public:
  FiltApp() {
    ultralight::DefaultFontLoader();

    ///
    /// Create our main App instance.
    ///
    app_ = App::Create();

    ///
    /// Create our Window with the Resizable window flag.
    ///
    window_ = Window::Create(app_->main_monitor(), 1240, 768, false,
      kWindowFlags_Titled | kWindowFlags_Resizable );

    ///
    /// Set our window title.
    ///
    window_->SetTitle("Filt");

    ///
    /// Bind our App's main window.
    ///
    /// @note This MUST be done before creating any overlays or calling App::Run
    ///
    app_->set_window(*window_.get());

    ///
    /// Create our Overlay, use the same dimensions as our Window.
    ///
    overlay_ = Overlay::Create(*window_.get(), window_->width(), window_->height(), 0, 0);

    ///
    /// Load a string of HTML into our overlay's View
    ///
    overlay_->view()->LoadHTML(String((const char*)ui_string, ui_string_len));

    ///
    /// Register our MyApp instance as a WindowListener so we can handle the
    /// Window's OnResize event below.
    ///
    window_->set_listener(this);
    overlay_->view()->set_load_listener(this);

    ///
    /// Export global functions to js 
    ///
    // Set the context for all subsequent JS* calls
    SetJSContext(overlay_->view()->js_context());

    JSObject global = JSGlobalObject();

    /// export error loggin function
    global["FiltLogError"] = BindJSCallback(&FiltApp::logError);
  }

  virtual ~FiltApp() {}

  void logError(const JSObject& obj, const JSArgs& args) {
    ultralight::String argString = JSArgsToString(args);
    std::cout << "here\n";
    spdlog::error("[js_log] {}", argString.utf8().data());
  }

  void OnDOMReady(ultralight::View* caller) override {
    }

  ///
  /// Inherited from WindowListener, not used.
  ///
  virtual void OnClose() override {}

  ///
  /// Inherited from WindowListener, called when the Window is resized.
  ///
  virtual void OnResize(uint32_t width, uint32_t height) override {
    ///
    /// Resize our Overlay to match the new Window dimensions.
    ///
    spdlog::info("{}x{}",width,height);
    overlay_->Resize(width, height);
  }

  void Run() {
    app_->Run();
  }
};

int main() {
  FiltApp app;
  app.Run();

  return 0;
}