#include <Wt/WApplication.h>
#include <Wt/WBreak.h>
#include <Wt/WContainerWidget.h>
#include <Wt/WLineEdit.h>
#include <Wt/WPushButton.h>
#include <Wt/WText.h>
#include <Wt/WBootstrapTheme.h>

class HelloApplication : public Wt::WApplication
{
public:
	HelloApplication(const Wt::WEnvironment& env);

private:
	Wt::WLineEdit *nameEdit_;
	Wt::WText *greeting_;
};

HelloApplication::HelloApplication(const Wt::WEnvironment& env)
	: Wt::WApplication(env)
{

	//Set the theme
	auto theme = std::make_shared<Wt::WBootstrapTheme>();
	theme->setVersion(Wt::BootstrapVersion::v3);
	wApp->setTheme(theme);

	setTitle("Hello world");

	auto text = std::make_unique<Wt::WText>("Your name, please? ");
	//add bootstrap style to widget
	text->addStyleClass("label label-primary");
	root()->addWidget(std::move(text));

	nameEdit_ = root()->addWidget(std::make_unique<Wt::WLineEdit>());
	Wt::WPushButton *button = root()->addWidget(std::make_unique<Wt::WPushButton>("Greet me."));
	button->addStyleClass("btn btn-success");
	root()->addWidget(std::make_unique<Wt::WBreak>());
	greeting_ = root()->addWidget(std::make_unique<Wt::WText>());
	auto greet = [this] {
		greeting_->setText("Hello there, " + nameEdit_->text());
	};
	button->clicked().connect(greet);
}

int main(int argc, char **argv)
{
	return Wt::WRun(argc, argv, [](const Wt::WEnvironment& env) {
		return std::make_unique<HelloApplication>(env);
	});
}