/******************************************************************************
 *
 *  Copyright (c) 2010 Leo Franchi <lfranchi@kde.org>
 *  Copyright (c) 2010 KDAB
 *
 *  This library is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU Library General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or (at your
 *  option) any later version.
 *
 *  This library is distributed in the hope that it will be useful, but WITHOUT
 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
 *  License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to the
 *  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 *  MA, 02110-1301, USA.
 *
 *****************************************************************************/

#include "mdnstateattribute.h"

#include <attributefactory.h>

#include <QByteArray>

using namespace MailCommon;

/**
 *  @internal
 */
class Q_DECL_HIDDEN MDNStateAttribute::Private
{
public:
    MDNSentState dataToState(const QByteArray &data)
    {
        MDNSentState state = MDNStateUnknown;

        switch (data.at(0)) {
        case 'N':
            state = MDNNone;
            break;
        case 'I':
            state = MDNIgnore;
            break;
        case 'R':
            state = MDNDisplayed;
            break;
        case 'D':
            state = MDNDeleted;
            break;
        case 'F':
            state = MDNDispatched;
            break;
        case 'P':
            state = MDNProcessed;
            break;
        case 'X':
            state = MDNDenied;
            break;
        case 'E':
            state = MDNFailed;
            break;
        case 'U':
            state = MDNStateUnknown;
            break;
        default:
            state = MDNStateUnknown;
            break;
        }

        return state;
    }

    QByteArray stateToData(MDNSentState state)
    {
        QByteArray data = "U"; // Unknown

        switch (state) {
        case MDNNone:
            data = "N";
            break;
        case MDNIgnore:
            data = "I";
            break;
        case MDNDisplayed:
            data = "R";
            break;
        case MDNDeleted:
            data = "D";
            break;
        case MDNDispatched:
            data = "F";
            break;
        case MDNProcessed:
            data = "P";
            break;
        case MDNDenied:
            data = "X";
            break;
        case MDNFailed:
            data = "E";
            break;
        case MDNStateUnknown:
            data = "U";
            break;
        }

        return data;
    }

    QByteArray mSentState;
};

MDNStateAttribute::MDNStateAttribute(MDNSentState state)
    : d(new Private)
{
    d->mSentState = d->stateToData(state);
}

MDNStateAttribute::MDNStateAttribute(const QByteArray &stateData)
    : d(new Private)
{
    d->mSentState = stateData;
}

MDNStateAttribute::~MDNStateAttribute()
{
    delete d;
}

MDNStateAttribute *MDNStateAttribute::clone() const
{
    return new MDNStateAttribute(d->mSentState);
}

QByteArray MDNStateAttribute::type() const
{
    static const QByteArray sType("MDNStateAttribute");
    return sType;
}

QByteArray MDNStateAttribute::serialized() const
{
    return d->mSentState;
}

void MDNStateAttribute::deserialize(const QByteArray &data)
{
    d->mSentState = data;
}

void MDNStateAttribute::setMDNState(MDNSentState state)
{
    d->mSentState = d->stateToData(state);
}

MDNStateAttribute::MDNSentState MDNStateAttribute::mdnState() const
{
    return d->dataToState(d->mSentState);
}

bool MDNStateAttribute::operator==(const MDNStateAttribute &other) const
{
    return mdnState() == other.mdnState();
}

// Register the attribute when the library is loaded.
namespace {
bool dummyMDNStateAttribute()
{
    using namespace MailCommon;
    Akonadi::AttributeFactory::registerAttribute<MDNStateAttribute>();
    return true;
}

const bool registeredMDNStateAttribute = dummyMDNStateAttribute();
}
