/* poppler-pdf-converter.cc: qt interface to poppler
 * Copyright (C) 2008, Pino Toscano <pino@kde.org>
 * Copyright (C) 2008, 2009, Albert Astals Cid <aacid@kde.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
 */

#include "poppler-qt5.h"

#include "poppler-private.h"
#include "poppler-converter-private.h"
#include "poppler-qiodeviceoutstream-private.h"

#include <QtCore/QFile>

#include <ErrorCodes.h>

namespace Poppler {

class PDFConverterPrivate : public BaseConverterPrivate
{
public:
    PDFConverterPrivate();

    PDFConverter::PDFOptions opts;
};

PDFConverterPrivate::PDFConverterPrivate() : BaseConverterPrivate(), opts(nullptr) { }

PDFConverter::PDFConverter(DocumentData *document) : BaseConverter(*new PDFConverterPrivate())
{
    Q_D(PDFConverter);
    d->document = document;
}

PDFConverter::~PDFConverter() { }

void PDFConverter::setPDFOptions(PDFConverter::PDFOptions options)
{
    Q_D(PDFConverter);
    d->opts = options;
}

PDFConverter::PDFOptions PDFConverter::pdfOptions() const
{
    Q_D(const PDFConverter);
    return d->opts;
}

bool PDFConverter::convert()
{
    Q_D(PDFConverter);
    d->lastError = NoError;

    if (d->document->locked) {
        d->lastError = FileLockedError;
        return false;
    }

    QIODevice *dev = d->openDevice();
    if (!dev) {
        d->lastError = OpenOutputError;
        return false;
    }

    bool deleteFile = false;
    if (QFile *file = qobject_cast<QFile *>(dev))
        deleteFile = !file->exists();

    int errorCode = errNone;
    QIODeviceOutStream stream(dev);
    if (d->opts & WithChanges) {
        errorCode = d->document->doc->saveAs(&stream);
    } else {
        errorCode = d->document->doc->saveWithoutChangesAs(&stream);
    }
    d->closeDevice();
    if (errorCode != errNone) {
        if (deleteFile) {
            qobject_cast<QFile *>(dev)->remove();
        }
        if (errorCode == errOpenFile)
            d->lastError = OpenOutputError;
        else
            d->lastError = NotSupportedInputFileError;
    }

    return (errorCode == errNone);
}

}
