/*

* Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

* WLAN AP (Access Point, unknown network) class.

*/

// System includes

#include <QString>

#include <QHash>

#include <QVariant>

#include <QDebug>

#include <cmmanagerdefines_shim.h>

// User includes

#include "wlanqtutilsap.h"

/*!

    \class WlanQtUtilsApPrivate

    \brief Private implementation of WlanQtUtilsAp.

*/

class WlanQtUtilsApPrivate

{

private:

    //! Access Point configuration data

    QHash<int, QVariant> mConfigurations;

    friend class WlanQtUtilsAp;

};

/*!

    \class WlanQtUtilsAp

    \brief WLAN Access Point class.

    Contains the information related to unknown WLAN access points.

*/

// External function prototypes

// Local constants

// ======== LOCAL FUNCTIONS ========

// ======== MEMBER FUNCTIONS ========

/*!

    Constructor.

*/

WlanQtUtilsAp::WlanQtUtilsAp() :

    d_ptr(new WlanQtUtilsApPrivate())

{

}

/*!

    Copy constructor.

    @param [in] ref AP to create a copy of.

*/

WlanQtUtilsAp::WlanQtUtilsAp(const WlanQtUtilsAp &ref) :

    d_ptr(new WlanQtUtilsApPrivate())

{

    d_ptr->mConfigurations = ref.d_ptr->mConfigurations;

}

/*!

    Destructor.

*/

WlanQtUtilsAp::~WlanQtUtilsAp()

{

}

/*!

    Getter for AP data.

    @param [in] identifier Identifier of value to get.

    @return Value.

*/

QVariant WlanQtUtilsAp::value(int identifier) const

{

    // The configuration must exist

    Q_ASSERT(d_ptr->mConfigurations.contains(identifier));

    Q_ASSERT(d_ptr->mConfigurations[identifier].isValid());

    return d_ptr->mConfigurations[identifier];

}

/*!

    Setter for AP data.

    @param [in] identifier Identifier of value to set.

    @param [in] value Value to set.

*/

void WlanQtUtilsAp::setValue(int identifier, QVariant value)

{

    d_ptr->mConfigurations[identifier] = value;

}

/*!

    AP comparison function. Does AP comparison based on following configs:

    -SSID.

    -Security mode.

    -WPA PSK usage.

    -Connection mode.

    @param [in] ap1 First AP to compare.

    @param [in] ap2 Second AP to compare.

    @param [in] comparator String comparator for SSID.

                Default comparator is QString::compare() direct memory

                comparison which does not take the localization into account.

    @return Zero (0), if APs are considered to be same,

            Negative (>0) if ap1 is considered to be "greater than" ap2. 

            Negative (<0) if ap1 is considered to be "less than" ap2. 

*/

int WlanQtUtilsAp::compare(

    const WlanQtUtilsAp *ap1,

    const WlanQtUtilsAp *ap2,

    StringComparator comparator)

{

    int result = 0;

    // Compare SSID

    QString ssid1 = ap1->value(WlanQtUtilsAp::ConfIdSsid).toString();

    QString ssid2 = ap2->value(WlanQtUtilsAp::ConfIdSsid).toString();

    if (comparator != NULL) {

        result = comparator(ssid1, ssid2);

    } else {

        result = QString::compare(ssid1, ssid2);

    }

    // Compare security mode

    if (result == 0) {

        result = ap1->value(WlanQtUtilsAp::ConfIdSecurityMode).toInt();

        result -= ap2->value(WlanQtUtilsAp::ConfIdSecurityMode).toInt();

    }

    // Compare WPA PSK usage

    int secMode = ap1->value(WlanQtUtilsAp::ConfIdSecurityMode).toInt(); 

    if (result == 0 &&

        (secMode == CMManagerShim::WlanSecModeWpa ||

         secMode == CMManagerShim::WlanSecModeWpa2)) {

        // WPA PSK value is boolean, but it can be converted to integer

        result = ap1->value(WlanQtUtilsAp::ConfIdWpaPskUse).toInt();

        result -= ap2->value(WlanQtUtilsAp::ConfIdWpaPskUse).toInt();

    }

    // Compare connection mode

    if (result == 0) {

        result = ap1->value(WlanQtUtilsAp::ConfIdConnectionMode).toInt();

        result -= ap2->value(WlanQtUtilsAp::ConfIdConnectionMode).toInt();

    }

    return result;

}