/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtLocation module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
** This file is part of the Nokia services plugin for the Maps and
** Navigation API.  The use of these services, whether by use of the
** plugin or by other means, is governed by the terms and conditions
** described by the file NOKIA_TERMS_AND_CONDITIONS.txt in
** this package, located in the directory containing the Nokia services
** plugin source code.
**
****************************************************************************/

#include "qgeocodereply_nokia.h"
#include "qgeocodexmlparser.h"
#include "qgeoerror_messages.h"

#include <QtPositioning/QGeoShape>
#include <QtCore/QCoreApplication>

Q_DECLARE_METATYPE(QList<QGeoLocation>)

QT_BEGIN_NAMESPACE

QGeoCodeReplyNokia::QGeoCodeReplyNokia(QNetworkReply *reply, int limit, int offset,
                                       const QGeoShape &viewport, QObject *parent)
:   QGeoCodeReply(parent), m_reply(reply), m_parsing(false)
{
    qRegisterMetaType<QList<QGeoLocation> >();

    connect(m_reply, SIGNAL(finished()), this, SLOT(networkFinished()));
    connect(m_reply, SIGNAL(error(QNetworkReply::NetworkError)),
            this, SLOT(networkError(QNetworkReply::NetworkError)));

    setLimit(limit);
    setOffset(offset);
    setViewport(viewport);
}

QGeoCodeReplyNokia::~QGeoCodeReplyNokia()
{
    abort();
}

void QGeoCodeReplyNokia::abort()
{
    if (!m_reply && !m_parsing)
        return;

    m_reply->abort();

    m_reply->deleteLater();
    m_reply = 0;
    m_parsing = false;
}

void QGeoCodeReplyNokia::networkFinished()
{
    if (!m_reply)
        return;

    if (m_reply->error() != QNetworkReply::NoError)
        return;

    QGeoCodeXmlParser *parser = new QGeoCodeXmlParser;
    parser->setBounds(viewport());
    connect(parser, SIGNAL(results(QList<QGeoLocation>)),
            this, SLOT(appendResults(QList<QGeoLocation>)));
    connect(parser, SIGNAL(error(QString)), this, SLOT(parseError(QString)));

    m_parsing = true;
    parser->parse(m_reply->readAll());

    m_reply->deleteLater();
    m_reply = 0;
}

void QGeoCodeReplyNokia::networkError(QNetworkReply::NetworkError error)
{
    Q_UNUSED(error)

    if (!m_reply)
        return;

    setError(QGeoCodeReply::CommunicationError, m_reply->errorString());

    m_reply->deleteLater();
    m_reply = 0;
}

void QGeoCodeReplyNokia::appendResults(const QList<QGeoLocation> &locations)
{
    if (!m_parsing)
        return;

    m_parsing = false;
    setLocations(locations);
    setFinished(true);
}

void QGeoCodeReplyNokia::parseError(const QString &errorString)
{
    Q_UNUSED(errorString)

    setError(QGeoCodeReply::ParseError,
             QCoreApplication::translate(NOKIA_PLUGIN_CONTEXT_NAME, RESPONSE_NOT_RECOGNIZABLE));
    abort();
}

QT_END_NAMESPACE
