#include <QBluetoothDeviceDiscoveryAgent>
#include <QCoreApplication>
#include <QTimer>

int main(int argc, char *argv[])
{
    QCoreApplication app(argc, argv);

    QBluetoothDeviceDiscoveryAgent * discoveryAgent = new QBluetoothDeviceDiscoveryAgent(&app);

    QObject::connect(discoveryAgent, &QBluetoothDeviceDiscoveryAgent::deviceDiscovered,
                     [](const QBluetoothDeviceInfo &info) {
                         qDebug() << "discovered" << info.address() << info.deviceUuid() << info.name();
                     });

    QObject::connect(discoveryAgent, &QBluetoothDeviceDiscoveryAgent::errorOccurred,
                     [](const QBluetoothDeviceDiscoveryAgent::Error &error) {
                         qDebug() << "discovery error" << error;
                         QCoreApplication::exit(EXIT_FAILURE);
                     });

    QObject::connect(discoveryAgent, &QBluetoothDeviceDiscoveryAgent::finished,
                     []() {
                         qDebug() << "discovery finished";
                         QCoreApplication::exit(EXIT_SUCCESS);
                     });

    QTimer::singleShot(0, QCoreApplication::instance(), [discoveryAgent](){
        discoveryAgent->start();
    });

    const int result = QCoreApplication::exec();
    //delete discoveryAgent;
    return result;
}