/****************************************************************************
**
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** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
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** accordance with the commercial license agreement provided with the
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** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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****************************************************************************/
#include "qmessageid.h"
#include "qmfhelpers_p.h"

#include <qmailid.h>


QTM_BEGIN_NAMESPACE

class QMessageIdPrivate
{
public:
    QMailMessageId _id;
};

QMessageId::QMessageId()
    : d_ptr(0)
{
}

QMessageId::QMessageId(const QMessageId& other)
    : d_ptr(0)
{
    this->operator=(other);
}

QMessageId::QMessageId(const QString& id)
    : d_ptr(0)
{
    QMailMessageId mid(QmfHelpers::stripIdentifierPrefix(id).toULongLong());
    if (mid.isValid()) {
        d_ptr = new QMessageIdPrivate;
        d_ptr->_id = mid;
    }
}

QMessageId::~QMessageId()
{
    delete d_ptr;
}

QMessageId& QMessageId::operator=(const QMessageId& other)
{
    if (&other != this) {
        if (other.isValid()) {
            if (!d_ptr) {
                d_ptr = new QMessageIdPrivate;
            }
            d_ptr->_id = other.d_ptr->_id;
        } else {
            delete d_ptr;
            d_ptr = 0;
        }
    }

    return *this;
}

bool QMessageId::operator==(const QMessageId& other) const
{
    if (isValid()) {
        return (other.isValid() ? (d_ptr->_id == other.d_ptr->_id) : false);
    } else {
        return !other.isValid();
    }
}

bool QMessageId::operator<(const QMessageId& other) const
{
    if (isValid() && other.isValid())
        return (d_ptr->_id < other.d_ptr->_id);

    if (isValid()) {
        return false; // other is invalid, valid > invalid
    } else if (other.isValid()) {
        return true; // invalid < valid
    }
    return false; // both invalid
}

QString QMessageId::toString() const
{
    QString result = (isValid() ? QString::number(d_ptr->_id.toULongLong()) : QString());
    return QmfHelpers::prefixIdentifier(result);
}

bool QMessageId::isValid() const
{
    return (d_ptr && d_ptr->_id.isValid());
}

uint qHash(const QMessageId &id)
{
    return qHash(QmfHelpers::convert(id));
}


QTM_END_NAMESPACE