/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
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** This file is part of the QtLocation module of the Qt Toolkit.
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** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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
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****************************************************************************/

#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 = false;
        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