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/****************************************************************************
**
** Copyright (C) 2017 Mapbox, Inc.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtLocation module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qgeocodereplymapbox.h"
#include "qmapboxcommon.h"

#include <QtCore/QJsonDocument>
#include <QtCore/QJsonObject>
#include <QtCore/QJsonArray>
#include <QtPositioning/QGeoCoordinate>
#include <QtPositioning/QGeoAddress>
#include <QtPositioning/QGeoLocation>
#include <QtPositioning/QGeoRectangle>

QT_BEGIN_NAMESPACE

QGeoCodeReplyMapbox::QGeoCodeReplyMapbox(QNetworkReply *reply, QObject *parent)
:   QGeoCodeReply(parent)
{
    Q_ASSERT(parent);
    if (!reply) {
        setError(UnknownError, QStringLiteral("Null reply"));
        return;
    }

    connect(reply, &QNetworkReply::finished, this, &QGeoCodeReplyMapbox::onNetworkReplyFinished);
    connect(reply, QOverload<QNetworkReply::NetworkError>::of(&QNetworkReply::error),
            this, &QGeoCodeReplyMapbox::onNetworkReplyError);

    connect(this, &QGeoCodeReply::aborted, reply, &QNetworkReply::abort);
    connect(this, &QObject::destroyed, reply, &QObject::deleteLater);
}

QGeoCodeReplyMapbox::~QGeoCodeReplyMapbox()
{
}

void QGeoCodeReplyMapbox::onNetworkReplyFinished()
{
    QNetworkReply *reply = static_cast<QNetworkReply *>(sender());
    reply->deleteLater();

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

    QList<QGeoLocation> locations;
    QJsonDocument document = QJsonDocument::fromJson(reply->readAll());
    if (!document.isObject()) {
        setError(ParseError, tr("Response parse error"));
        return;
    }

    const QJsonArray features = document.object().value(QStringLiteral("features")).toArray();
    for (const QJsonValue &value : features)
        locations.append(QMapboxCommon::parseGeoLocation(value.toObject()));

    setLocations(locations);

    setFinished(true);
}

void QGeoCodeReplyMapbox::onNetworkReplyError(QNetworkReply::NetworkError error)
{
    Q_UNUSED(error);
    QNetworkReply *reply = static_cast<QNetworkReply *>(sender());
    reply->deleteLater();
    setError(QGeoCodeReply::CommunicationError, reply->errorString());
}

QT_END_NAMESPACE