#include <iostream>
#include <unistd.h>
#include <assert.h>
#include <QtCore>
#include <QtDBus/QtDBus>
#include <sstream>

using namespace std;

QString getMapArgument(const QDBusMessage &result, const QString &_key)
{
    const QVariant &var = result.arguments()[0].value<QDBusVariant>().variant();
    const QDBusArgument &dbArg = var.value<QDBusArgument>();

    // Iterate over it
    int numEntries = 0;
    dbArg.beginMap();
    while ( !dbArg.atEnd() )
    {
        QString key;
        QVariant value;
        dbArg.beginMapEntry();
        dbArg >> key;
        dbArg >> value;
        dbArg.endMapEntry();
        numEntries++;

        if ( _key == key )
        {
            return value.toString();
        }
    }
    return QString();
}

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

    QDBusConnection systemBus_ = QDBusConnection::systemBus();
    assert( systemBus_.isConnected() );

    // Set up Interfaces
    
    QDBusInterface testInterface( "org.freedesktop.DBus",
                                  "/org/freedesktop/DBus",
                                  "org.freedesktop.DBus",
                                  systemBus_ );

    QDBusInterface test2Interface( "org.freedesktop.login1",
                                  "/org/freedesktop/login1",
                                  "org.freedesktop.DBus.Peer",
                                  systemBus_ );

    QDBusInterface wpaInterface( "fi.w1.wpa_supplicant1",
                                 "/fi/w1/wpa_supplicant1",
                                 "fi.w1.wpa_supplicant1",
                                 systemBus_ );

    QDBusInterface wpaInterface7( "fi.w1.wpa_supplicant1",
                                 "/fi/w1/wpa_supplicant1/Interfaces/7",
                                 "fi.w1.wpa_supplicant1.Interface",
                                 systemBus_ );
    QTime timer;
    timer.start();
    int i = 0;
    while ( true )
    {
        try {
            int a = timer.elapsed();
            //QDBusMessage result = testInterface.call("GetId");
            //QString arg = result.arguments().at(0).toString();

//            QDBusMessage result = test2Interface.call("GetMachineId");
//            QString arg = result.arguments().at(0).toString();

//            QDBusMessage result = wpaInterface7.call("SignalPoll");
//            QString arg = getMapArgument(result, "rssi");

            QDBusMessage result = wpaInterface.call("DebugLevel");
            QString arg = result.arguments().at(0).toString();

            int b = timer.elapsed();
            cout << i++ << " " << b << " " << (b-a) << " " << qPrintable(arg) << endl;
        }
        catch ( std::exception &e )
        {
            cout << e.what() << endl;
        }
        catch ( char const *e )
        {
            cout << e << endl;
        }
        catch ( const std::string &e )
        {
            cout << e << endl;
        }
        //usleep(0.001 * 1e6);
    }
}