/****************************************************************************
**
** Copyright (C) 2017 Mapbox, Inc.
** Contact: http://www.qt.io/licensing/
**
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**
** $QT_BEGIN_LICENSE:LGPL3$
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** accordance with the commercial license agreement provided with the
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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
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** 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
** ensure the GNU General Public License version 2.0 requirements will be
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**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QQMAPBOXGLSTYLECHANGE_P_H
#define QQMAPBOXGLSTYLECHANGE_P_H

#include <QtCore/QList>
#include <QtCore/QSharedPointer>
#include <QtCore/QString>
#include <QtCore/QVariant>
#include <QtCore/QVariantMap>
#include <QtGui/QImage>
#include <QtLocation/private/qdeclarativecirclemapitem_p.h>
#include <QtLocation/private/qdeclarativegeomapitembase_p.h>
#include <QtLocation/private/qdeclarativepolygonmapitem_p.h>
#include <QtLocation/private/qdeclarativepolylinemapitem_p.h>
#include <QtLocation/private/qdeclarativerectanglemapitem_p.h>
#include <QtLocation/private/qgeomapparameter_p.h>

#include <QMapboxGL>

class QMapboxGLStyleChange
{
public:
    virtual ~QMapboxGLStyleChange() = default;

    static QList<QSharedPointer<QMapboxGLStyleChange>> addMapParameter(QGeoMapParameter *);
    static QList<QSharedPointer<QMapboxGLStyleChange>> addMapItem(QDeclarativeGeoMapItemBase *, const QString &before);
    static QList<QSharedPointer<QMapboxGLStyleChange>> removeMapItem(QDeclarativeGeoMapItemBase *);

    virtual void apply(QMapboxGL *map) = 0;
};

class QMapboxGLStyleSetLayoutProperty : public QMapboxGLStyleChange
{
public:
    static QList<QSharedPointer<QMapboxGLStyleChange>> fromMapParameter(QGeoMapParameter *);
    static QList<QSharedPointer<QMapboxGLStyleChange>> fromMapItem(QDeclarativeGeoMapItemBase *);

    void apply(QMapboxGL *map) Q_DECL_OVERRIDE;

private:
    static QList<QSharedPointer<QMapboxGLStyleChange>> fromMapItem(QDeclarativePolylineMapItem *);

    QMapboxGLStyleSetLayoutProperty() = default;
    QMapboxGLStyleSetLayoutProperty(const QString &layer, const QString &property, const QVariant &value);

    QString m_layer;
    QString m_property;
    QVariant m_value;
};

class QMapboxGLStyleSetPaintProperty : public QMapboxGLStyleChange
{
public:
    static QList<QSharedPointer<QMapboxGLStyleChange>> fromMapParameter(QGeoMapParameter *);
    static QList<QSharedPointer<QMapboxGLStyleChange>> fromMapItem(QDeclarativeGeoMapItemBase *);

    void apply(QMapboxGL *map) Q_DECL_OVERRIDE;

private:
    static QList<QSharedPointer<QMapboxGLStyleChange>> fromMapItem(QDeclarativeRectangleMapItem *);
    static QList<QSharedPointer<QMapboxGLStyleChange>> fromMapItem(QDeclarativeCircleMapItem *);
    static QList<QSharedPointer<QMapboxGLStyleChange>> fromMapItem(QDeclarativePolygonMapItem *);
    static QList<QSharedPointer<QMapboxGLStyleChange>> fromMapItem(QDeclarativePolylineMapItem *);

    QMapboxGLStyleSetPaintProperty() = default;
    QMapboxGLStyleSetPaintProperty(const QString &layer, const QString &property, const QVariant &value);

    QString m_layer;
    QString m_property;
    QVariant m_value;
};

class QMapboxGLStyleAddLayer : public QMapboxGLStyleChange
{
public:
    static QSharedPointer<QMapboxGLStyleChange> fromMapParameter(QGeoMapParameter *);
    static QSharedPointer<QMapboxGLStyleChange> fromFeature(const QMapbox::Feature &feature, const QString &before);

    void apply(QMapboxGL *map) Q_DECL_OVERRIDE;

private:
    QMapboxGLStyleAddLayer() = default;

    QVariantMap m_params;
    QString m_before;
};

class QMapboxGLStyleRemoveLayer : public QMapboxGLStyleChange
{
public:
    explicit QMapboxGLStyleRemoveLayer(const QString &id);

    void apply(QMapboxGL *map) Q_DECL_OVERRIDE;

private:
    QMapboxGLStyleRemoveLayer() = default;

    QString m_id;
};

class QMapboxGLStyleAddSource : public QMapboxGLStyleChange
{
public:
    static QSharedPointer<QMapboxGLStyleChange> fromMapParameter(QGeoMapParameter *);
    static QSharedPointer<QMapboxGLStyleChange> fromFeature(const QMapbox::Feature &feature);
    static QSharedPointer<QMapboxGLStyleChange> fromMapItem(QDeclarativeGeoMapItemBase *);

    void apply(QMapboxGL *map) Q_DECL_OVERRIDE;

private:
    QMapboxGLStyleAddSource() = default;

    QString m_id;
    QVariantMap m_params;
};

class QMapboxGLStyleRemoveSource : public QMapboxGLStyleChange
{
public:
    explicit QMapboxGLStyleRemoveSource(const QString &id);

    void apply(QMapboxGL *map) Q_DECL_OVERRIDE;

private:
    QMapboxGLStyleRemoveSource() = default;

    QString m_id;
};

class QMapboxGLStyleSetFilter : public QMapboxGLStyleChange
{
public:
    static QSharedPointer<QMapboxGLStyleChange> fromMapParameter(QGeoMapParameter *);

    void apply(QMapboxGL *map) Q_DECL_OVERRIDE;

private:
    QMapboxGLStyleSetFilter() = default;

    QString m_layer;
    QVariant m_filter;
};

class QMapboxGLStyleAddImage : public QMapboxGLStyleChange
{
public:
    static QSharedPointer<QMapboxGLStyleChange> fromMapParameter(QGeoMapParameter *);

    void apply(QMapboxGL *map) Q_DECL_OVERRIDE;

private:
    QMapboxGLStyleAddImage() = default;

    QString m_name;
    QImage m_sprite;
};

#endif // QQMAPBOXGLSTYLECHANGE_P_H