#include <Wt/WLineEdit>
#include <Wt/WMenu>
#include <Wt/WMessageBox>
#include <Wt/WNavigationBar>
#include <Wt/WPopupMenu>
#include <Wt/WPopupMenuItem>
#include <Wt/WStackedWidget>
#include <Wt/WText>
#include <Wt/WServer>

#include <Wt/WApplication>
#include <Wt/WEnvironment>
#include <Wt/WContainerWidget>
#include <Wt/WBootstrapTheme>

#include <Wt/WHBoxLayout>

using namespace std;
using namespace Wt;

class App: public WApplication {
private:
  std::string appName;

public: 
	Wt::WContainerWidget* container;

  App(const WEnvironment &env): WApplication(env) {
    setTitle("Home");
    appName = "App";
		setTheme(new WBootstrapTheme());

    // Container widget into which we place navigation bar
		Wt::WContainerWidget *container = new Wt::WContainerWidget(root());

		// Create a navigation bar with a link to a web page.
		Wt::WNavigationBar *navigation = new Wt::WNavigationBar(container);
		navigation->setTitle("App, Inc.",
			"http://www.test.com");
		navigation->setResponsive(true);

    // Stacked widget into which we place menus - added to container
		Wt::WStackedWidget *contentsStack = new Wt::WStackedWidget(container);
		contentsStack->addStyleClass("contents");

		// Setup a Left-aligned menu and add to stack which has container as parent
		Wt::WMenu *leftMenu = new Wt::WMenu(contentsStack, container);
    // Add this menu to the navigation bar
		navigation->addMenu(leftMenu);

    // Create a textbox for display on Sales menu link action
		Wt::WText *searchResult = new Wt::WText("Buy or Sell... Bye!");

    // Add items to menu just added to nav bar with values determine in three ways:
    // Text object created on fly
		leftMenu->addItem("Home", new Wt::WText("There is no better place!"));
		// Text object created on fly with a hyperlink formatting
    leftMenu->addItem("Layout", new Wt::WText("Layout contents"))
			->setLink(Wt::WLink(Wt::WLink::InternalPath, "/layout"));
		// Text object used that has already been created
    leftMenu->addItem("Sales", searchResult);

    // Setup a Right-aligned menu.
    Wt::WMenu *rightMenu = new Wt::WMenu();
    navigation->addMenu(rightMenu, Wt::AlignRight);

    // Create a popup submenu for the Help menu.
    Wt::WPopupMenu *popup = new Wt::WPopupMenu();
    popup->addItem("Contents");
    popup->addItem("Index");
    popup->addSeparator();
    popup->addItem("About");

// start bug block
    popup->itemSelected().connect(std::bind([=] (Wt::WMenuItem *item) {
      Wt::WMessageBox *messageBox = new Wt::WMessageBox(
        "Help",
	      Wt::WString::fromUTF8("<p>Showing Help: {1}</p>").arg(item->text()),
	      Wt::Information, Wt::Ok
      );

      messageBox->buttonClicked().connect(std::bind([=] () {
	      delete messageBox;
      }));
      messageBox->show();
    }, std::placeholders::_1));
// end bug block

    Wt::WMenuItem *item = new Wt::WMenuItem("Help");
    item->setMenu(popup);
    rightMenu->addItem(item);

    // Add a Search control.
    Wt::WLineEdit *edit = new Wt::WLineEdit();
    edit->setEmptyText("Enter a search item");

    edit->enterPressed().connect(std::bind([=] () {
        leftMenu->select(2); // is the index of the "Sales"
        searchResult->setText(Wt::WString("Nothing found for {1}.")
			      .arg(edit->text()));
    }));

    navigation->addSearch(edit, Wt::AlignRight);

		container->addWidget(contentsStack);

    header();
    sidebar();
    footer();
	}

  void header()
  {
   WContainerWidget* header = new WContainerWidget(root());
   header->setId("header");
	 
	 // header layout
   Wt::WHBoxLayout *hbox = new Wt::WHBoxLayout();
   header->setLayout(hbox);
   header->setMargin(5);

   Wt::WText *item = new Wt::WText("<h1>" + appName + "</h1>");
   item->setId("box");
   header->setStyleClass("hdr");

   hbox->addWidget(item);
  }

  void footer() 
  {
    WContainerWidget* footer = new WContainerWidget(root());
    footer->setId("footer");
    footer->addWidget(new WText("Under Construction"));
    footer->setMargin(5);
  }

  void sidebar() 
  {
    WContainerWidget* sidebar = new WContainerWidget(root());
    sidebar->setId("sidebar");
    sidebar->addWidget(new WText("Sidebar Information"));
    sidebar->setMargin(5);
  }
};

Wt::WApplication* createApplication(const Wt::WEnvironment &env) {    
	return new App(env);
}

int main(int argc, char** argv) {
	return Wt::WRun(argc, argv, &createApplication);
}