#include <Wt/WStackedWidget>
#include <Wt/WMenu>
#include <Wt/WNavigationBar>
#include <Wt/WPopupMenu>
#include <Wt/WPopupMenuItem>
#include <Wt/Auth/Identity>

#include "settings/Settings.hpp"

#include "LmsHome.hpp"

namespace UserInterface {

LmsHome::LmsHome(SessionData& sessionData)
: _sessionData(sessionData)
{
	const Wt::Auth::User& user = sessionData.getDatabaseHandler().getLogin().user();

	// Create a navigation bar with a link to a web page.
	Wt::WNavigationBar *navigation = new Wt::WNavigationBar(this);
	navigation->setTitle("LMS");
	navigation->setResponsive(true);
	navigation->addStyleClass("main-nav");

	Wt::WStackedWidget *contentsStack = new Wt::WStackedWidget(this);

	// Setup a Left-aligned menu.
	Wt::WMenu *leftMenu = new Wt::WMenu(contentsStack, this);
	navigation->addMenu(leftMenu);

	_audioWidget = new AudioWidget(_sessionData);
	_videoWidget = new VideoWidget(_sessionData);

	leftMenu->addItem("Audio", _audioWidget);
	leftMenu->addItem("Video", _videoWidget);
	leftMenu->addItem("Settings", new Settings::Settings(_sessionData));

	// Setup a Right-aligned menu.
	Wt::WMenu *rightMenu = new Wt::WMenu();

	navigation->addMenu(rightMenu, Wt::AlignRight);

	Wt::WPopupMenu *popup = new Wt::WPopupMenu();
	popup->addItem("Logout");

	popup->itemSelected().connect(this, &LmsHome::handleUserMenuSelected);

	Wt::WMenuItem *item = new Wt::WMenuItem( user.identity(Wt::Auth::Identity::LoginName) );
	item->setMenu(popup);
	rightMenu->addItem(item);

	// Add a Search control.
	_searchEdit = new Wt::WLineEdit();
	_searchEdit->setEmptyText("Search...");

	_searchEdit->enterPressed().connect(this, &LmsHome::handleSearch);

	navigation->addSearch(_searchEdit, Wt::AlignLeft);

	addWidget(contentsStack);

}

void
LmsHome::handleUserMenuSelected( Wt::WMenuItem* item)
{
	if (item && item->text() == "Logout") {
		_sessionData.getDatabaseHandler().getLogin().logout();
	}
}

void
LmsHome::handleSearch(void)
{
	// TODO Check currently selected menu item and search it
	_audioWidget->search( _searchEdit->text().toUTF8() );
}

} // namespace UserInterface