// Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QT3DANIMATION_QANIMATIONCLIPDATA_H
#define QT3DANIMATION_QANIMATIONCLIPDATA_H

#include <QtCore/qmetatype.h>
#include <QtCore/qscopedpointer.h>
#include <QtCore/qstring.h>
#include <Qt3DAnimation/qt3danimation_global.h>
#include <Qt3DAnimation/qchannel.h>

QT_BEGIN_NAMESPACE

namespace Qt3DAnimation {

class QAnimationClipDataPrivate;
class QAnimationClipData;

bool Q_3DANIMATIONSHARED_EXPORT operator==(const QAnimationClipData &lhs, const QAnimationClipData &rhs) noexcept;
bool Q_3DANIMATIONSHARED_EXPORT operator!=(const QAnimationClipData &lhs, const QAnimationClipData &rhs) noexcept;

class Q_3DANIMATIONSHARED_EXPORT QAnimationClipData
{
public:
    QAnimationClipData();
    QAnimationClipData(const QAnimationClipData &);
    QAnimationClipData &operator=(const QAnimationClipData &);
    ~QAnimationClipData();

    void setName(const QString &name);
    QString name() const;

    int channelCount() const;
    void appendChannel(const QChannel &c);
    void insertChannel(int index, const QChannel &c);
    void removeChannel(int index);
    void clearChannels();

    bool isValid() const noexcept;

    // Iterator API
    typedef const QChannel *const_iterator;
    typedef std::reverse_iterator<const_iterator> const_reverse_iterator;

    const_iterator begin()  const noexcept;
    const_iterator cbegin() const noexcept { return begin(); }
    const_iterator end()    const noexcept;
    const_iterator cend()   const noexcept { return end(); }
    const_reverse_iterator rbegin()  const noexcept { return const_reverse_iterator(end()); }
    const_reverse_iterator crbegin() const noexcept { return rbegin(); }
    const_reverse_iterator rend()    const noexcept { return const_reverse_iterator(begin()); }
    const_reverse_iterator crend()   const noexcept { return rend(); }

    friend bool Q_3DANIMATIONSHARED_EXPORT operator==(const QAnimationClipData &,
                                                      const QAnimationClipData &) noexcept;
    friend bool Q_3DANIMATIONSHARED_EXPORT operator!=(const QAnimationClipData &,
                                                      const QAnimationClipData &) noexcept;

private:
    QScopedPointer<QAnimationClipDataPrivate> d;
};

} // namespace Qt3DAnimation

QT_END_NAMESPACE

Q_DECLARE_METATYPE(Qt3DAnimation::QAnimationClipData)

#endif // QT3DANIMATION_QANIMATIONCLIPDATA_H