/* Copyright (C) 2019
 * swift project Community / Contributors
 *
 * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
 * directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
 * or distributed except according to the terms contained in the LICENSE file.
 */

#include "kmlutils.h"
#include <QStringBuilder>

using namespace BlackMisc;
using namespace BlackMisc::Geo;
using namespace BlackMisc::PhysicalQuantities;

namespace BlackMisc
{
    namespace Simulation
    {
        const CLogCategoryList &CKmlUtils::getLogCategories()
        {
            static const CLogCategoryList cats { CLogCategory::interpolator() };
            return cats;
        }

        QString CKmlUtils::wrapAsKmlDocument(const QString &content)
        {
            return u"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
                   u"<kml xmlns=\"http://www.opengis.net/kml/2.2\" "
                   u"xmlns:gx=\"http://www.google.com/kml/ext/2.2\">\n"
                   u"<Document>\n"
                   % content %
                   u"</Document>\n"
                   u"</kml>\n";
        }

        QString CKmlUtils::wrapAsKmlCoordinates(const QString &content)
        {
            return u"<coordinates>" % content % u"</coordinates>";
        }

        QString CKmlUtils::asRawCoordinates(const ICoordinateGeodetic &coordinate, bool withAltitude)
        {
            return
                coordinate.longitude().valueRoundedAsString(CAngleUnit::deg(), 8) % u"," %
                coordinate.latitude().valueRoundedAsString(CAngleUnit::deg(), 8) %
                (withAltitude ? (u"," % coordinate.geodeticHeight().valueRoundedAsString(CLengthUnit::m())) : QString());
        }

        QString CKmlUtils::asPoint(const ICoordinateGeodetic &coordinate, const KMLSettings &settings)
        {
            return
                u"<Point><coordinates>" %
                CKmlUtils::asRawCoordinates(coordinate, settings.withAltitude) %
                u"</coordinates>" %
                (settings.extrude ? u"<extrude>1</extrude>" : u"") %
                (settings.withAltitude && !settings.altitudeMode.isEmpty() ? u"<altitudeMode>" % settings.altitudeMode % "</altitudeMode>" : QString()) %
                u"</Point>";
        }

        QString CKmlUtils::asPlacemark(
            const QString &name, const QString &description,
            const ICoordinateGeodetic &coordinate, const KMLSettings &settings)
        {
            return
                u"<Placemark>" %
                asPoint(coordinate, settings) %
                (name.isEmpty() ? QString() : u"<name>" % name.toHtmlEscaped() % u"</name>") %
                (description.isEmpty() ? QString() : u"<description>" % description.toHtmlEscaped() % u"</description>") %
                u"</Placemark>";
        }

        QString CKmlUtils::asLineString(const QString &coordinatesRaw, const CKmlUtils::KMLSettings &settings)
        {
            return
                u"<LineString>" %
                (settings.withAltitude && !settings.altitudeMode.isEmpty() ? u"<altitudeMode>" % settings.altitudeMode % "</altitudeMode>" : QString()) %
                (settings.tessellate ? u"<tessellate>1</tessellate>" : u"") %
                (settings.extrude ? u"<extrude>1</extrude>" : u"") %
                CKmlUtils::wrapAsKmlCoordinates(coordinatesRaw) %
                u"</LineString>";
        }
    } // ns
} // ns