#include "ClipScanner.h"
#include <QDebug>

#define SCAN_TIMEOUT    500

ClipScanner *ClipScanner::m_instance = 0;
ClipScanner *ClipScanner::instance()
{
    if (!m_instance)
        m_instance = new ClipScanner;
    return m_instance;
}

ClipScanner::ClipScanner()
    : m_hbHandle(0)
{
    connect(&m_scanTimer, SIGNAL(timeout()), this, SLOT(checkScan()));
}

void ClipScanner::setHandle(hb_handle_t *handle)
{
    m_hbHandle = handle;
}

void ClipScanner::scanClips(const QStringList &clips)
{
    m_clipsToScan << clips;

    if (!m_scanTimer.isActive())
        scanNextClip();
}

void ClipScanner::checkScan()
{
    if (!m_hbHandle) {
        m_scanTimer.stop();
        return;
    }

    hb_state_t s;
    hb_get_state( m_hbHandle, &s );

    switch (s.state)
    {
        case HB_STATE_IDLE:
            m_scanTimer.stop();
            break;

        case HB_STATE_SCANDONE:
        {
            hb_list_t *list = 0;
            hb_title_t *title = 0;

            list = (hb_list_t *) hb_get_titles( m_hbHandle );

            if( !hb_list_count( list ) )
            {
                /* No valid title, stop right there */
                qDebug() << "No title found.";
                break;
            } else {
                title = (hb_title_t *) hb_list_item( list, 0 );
            }

            if (title)
                qDebug() << "got it";

        }
        case HB_STATE_WORKING:
            qDebug() << "hb state: WORKING...";
            break;

        default:
            break;
    }



/*
    if (s.state != HB_STATE_SCANNING) {
        m_scanTimer.stop();

        if (s.state == HB_STATE_SCANDONE) {
            hb_list_t *list = hb_get_titles( m_hbHandle );
            if (!hb_list_count(list))
                qDebug() << "No valid source found for clip";
            else {
                hb_title_t *title = (hb_title_t *) hb_list_item( list, 0 );

                VideoClip clip = VideoClip::createFromTitle(m_currentClipPath, title);
                emit clipScanned(clip);
            }
        }

        QTimer::singleShot(500, this, SLOT(scanNextClip()));
    }
    */
}

void ClipScanner::scanNextClip()
{
    if (m_clipsToScan.isEmpty()) {
        m_currentClipPath = QString();
        m_scanTimer.stop();
    } else {
        m_currentClipPath = m_clipsToScan.takeFirst();
        hb_scan( m_hbHandle, m_currentClipPath.toUtf8(), 1, 0, 0 );
        m_scanTimer.start(SCAN_TIMEOUT);
    }
}