#include "catalogsector.h"
#include "sector.h"

CatalogSector::CatalogSector(Sector *data)
{
 //   qDebug() << "### Start CatalogSector ctor";
    m_data = data;

    m_next = TSPair(0,0);

    TSPair next(m_data->rawData()[0x01],m_data->rawData()[0x02]);

    if (next.isValid() && next.track() == 17)
    {
        next.dump();
    //    qDebug("Next track sector is valid.");
        m_next = next;
    }
    else
    {
        qWarning() << "Track sector " << next.track() << "," << next.sector() << "is invalid! Not adding to catalog.";
        m_next.dump();
    }
    //m_next.setTrack(m_data->rawData()[0x01]);
    //m_next.setSector(m_data->rawData()[0x02]);

    for (int idx = 0; idx<7; idx++)
    {
        FileDescriptiveEntry fde = makeFDE(idx*0x23+0x0B);
        if (fde.firstTSListSector() != TSPair(0,0)) {
            if (fde.firstTSListSector().isValid())
            {
                m_fdes.append(fde);
            }
            else qDebug() << "Not appending invalid TSPair.";
        }
    //    else { qWarning("fde.firstTSListSector() is 0,0"); }
    }
  //  qDebug() << "### End CatalogSector ctor";
}

void CatalogSector::dumpFDEs() {
    for (int idx = 0; idx<7; idx++)
    {
        FileDescriptiveEntry fde = m_fdes[idx];
        if (fde.firstTSListSector() != TSPair(0,0)) {
            qDebug() << "FDE #"<<idx;
            fde.dump();
        }
    }
}

FileDescriptiveEntry CatalogSector::makeFDE(int offset)
{
    FileDescriptiveEntry fde;
    fde.firstTSListSector().setTrack(m_data->rawData()[offset + 0x00]);
    fde.firstTSListSector().setSector(m_data->rawData()[offset + 0x01]);
    fde.fileTypeAndFlags = m_data->rawData()[offset + 0x02];
    fde.lengthInSectors = makeWord( m_data->rawData()[offset + 0x21],
                                     m_data->rawData()[offset + 0x22]);
    
    if (fde.lengthInSectors > 16*35)
    {
        fde.lengthInSectors = -1;
    }

    for (int idx = 0x03; idx <= 0x20; idx++) {
        fde.filename.append(m_data->rawData()[idx+offset]);
    }

    if (fde.firstTSListSector().track() == 0xFF)
    {
        //TODO: Double check this stuff. applevision.dsk is a good example.
        qDebug() << "File" << fde.filename.printable() << "is deleted";
        fde.deleted = true;
        qDebug() << fde.filename;
        fde.firstTSListSector().setTrack(m_data->rawData()[offset + 0x20]);
        qDebug() << "   New track: " <<  (quint8) fde.firstTSListSector().track();
        qDebug() << "   Sector: " << fde.firstTSListSector().sector();
    }

    return fde;
}