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#include "qbluetoothdevicediscoveryagent_p.h"
#include "qbluetoothaddress.h"

#include <bttypes.h>

#include <QDebug>

QBluetoothDeviceDiscoveryAgentPrivate::QBluetoothDeviceDiscoveryAgentPrivate()
    : inquiryType(QBluetoothDeviceDiscoveryAgent::GeneralUnlimitedInquiry)
    , lastError(QBluetoothDeviceDiscoveryAgent::NoError)
    , errorString(QString())
    , m_deviceDiscovery(0)
{
    /* connect to socker server */
    TInt result = m_socketServer.Connect();
    if (result != KErrNone)
        _q_setError(QBluetoothDeviceDiscoveryAgent::UnknownError, 
                QString("RSocketServ.Connect() failed with error"));
}

QBluetoothDeviceDiscoveryAgentPrivate::~QBluetoothDeviceDiscoveryAgentPrivate()
{
    delete m_deviceDiscovery;
    if (m_socketServer.Handle() != NULL) 
        m_socketServer.Close();
}

void QBluetoothDeviceDiscoveryAgentPrivate::allocate()
{
    Q_Q(QBluetoothDeviceDiscoveryAgent);
    // create link manager device discoverer
    if (m_socketServer.Handle() != NULL) {
        // create new active object for querying devices
        m_deviceDiscovery = new BluetoothLinkManagerDeviceDiscoverer(m_socketServer);
        if (m_deviceDiscovery) {
            QObject::connect(m_deviceDiscovery, SIGNAL(deviceDiscoveryComplete()), q, SIGNAL(finished()));
            QObject::connect(m_deviceDiscovery, SIGNAL(deviceDiscovered(const QBluetoothDeviceInfo&)),
                q, SLOT(_q_newDeviceFound(const QBluetoothDeviceInfo&)));
            QObject::connect(m_deviceDiscovery, SIGNAL(linkManagerError(QBluetoothDeviceDiscoveryAgent::Error,QString)),
                q, SLOT(_q_setError(QBluetoothDeviceDiscoveryAgent::Error,QString)));
            QObject::connect(m_deviceDiscovery, SIGNAL(canceled()), q, SIGNAL(canceled()));
        } else {
            _q_setError(QBluetoothDeviceDiscoveryAgent::UnknownError, 
                    QString("Cannot allocate BluetoothLinkManagerDeviceDiscoverer: failed with error"));
        }
    } 
}

void QBluetoothDeviceDiscoveryAgentPrivate::start()
{

    // clear list of found devices
    discoveredDevices.clear();
    if (!m_deviceDiscovery) {
        allocate();
    } 
    m_deviceDiscovery->startDiscovery(inquiryTypeToIAC());

}

void QBluetoothDeviceDiscoveryAgentPrivate::stop()
{
    if (m_deviceDiscovery)
        m_deviceDiscovery->stopDiscovery();
}

bool QBluetoothDeviceDiscoveryAgentPrivate::isActive() const
{
    if (m_deviceDiscovery)
        return m_deviceDiscovery->isReallyActive();
    return false;
}

void QBluetoothDeviceDiscoveryAgentPrivate::_q_setError(QBluetoothDeviceDiscoveryAgent::Error errorCode, 
        QString errorDescription)
{
    qDebug() << __PRETTY_FUNCTION__ << errorCode << errorDescription;
    if (errorCode == KErrNone)
        return;

    Q_Q(QBluetoothDeviceDiscoveryAgent);

    errorString = errorDescription;
    emit q->error(errorCode);
}

void QBluetoothDeviceDiscoveryAgentPrivate::_q_newDeviceFound(const QBluetoothDeviceInfo &device)
{
    // add found device to the list of devices
    discoveredDevices.append(device);
    Q_Q(QBluetoothDeviceDiscoveryAgent);
    emit q->deviceDiscovered(device);
}

uint QBluetoothDeviceDiscoveryAgentPrivate::inquiryTypeToIAC() const
{
    return inquiryType == QBluetoothDeviceDiscoveryAgent::LimitedInquiry ? KLIAC : KGIAC;
}