// SPDX-License-Identifier: LGPL-2.1-or-later
//
// SPDX-FileCopyrightText: 2014 Sanjiban Bairagya <sanjiban22393@gmail.com>
//

#include "PlaybackWaitItem.h"

#include "GeoDataWait.h"

#include <QTimer>

namespace Marble
{

PlaybackWaitItem::PlaybackWaitItem(const GeoDataWait *wait)
{
    m_wait = wait;
    m_isPlaying = false;
}
const GeoDataWait *PlaybackWaitItem::wait() const
{
    return m_wait;
}
double PlaybackWaitItem::duration() const
{
    return m_wait->duration();
}

void PlaybackWaitItem::play()
{
    if (m_isPlaying) {
        return;
    } else {
        m_isPlaying = true;
        if (!(m_start.isValid())) {
            m_start = QDateTime::currentDateTime();
            Q_ASSERT(m_start.isValid());
        } else {
            m_start = m_start.addMSecs(m_pause.msecsTo(QDateTime::currentDateTime()));
        }
        playNext();
    }
}

void PlaybackWaitItem::playNext()
{
    if (!m_start.isValid()) {
        return;
    }
    double const progress = m_start.msecsTo(QDateTime::currentDateTime()) / 1000.0;
    Q_ASSERT(progress >= 0.0);
    double const t = progress / m_wait->duration();
    if (t <= 1) {
        if (m_isPlaying) {
            Q_EMIT progressChanged(progress);
            QTimer::singleShot(20, this, SLOT(playNext()));
        }
    } else {
        stop();
        Q_EMIT finished();
    }
}

void PlaybackWaitItem::pause()
{
    m_isPlaying = false;
    m_pause = QDateTime::currentDateTime();
}

void PlaybackWaitItem::seek(double t)
{
    m_start = QDateTime::currentDateTime().addMSecs(-t * m_wait->duration() * 1000);
    m_pause = QDateTime::currentDateTime();
}

void PlaybackWaitItem::stop()
{
    m_isPlaying = false;
    m_start = QDateTime();
    m_pause = QDateTime();
}

}

#include "moc_PlaybackWaitItem.cpp"
