/***************************************************************************
 *
 * This file is part of the KDE project
 * copyright (C)2004-2007 by Tomaz Canabrava (tomaz.canabrava@gmail.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, 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
 * Library General Public License for more details.
 * You should have received a copy of the GNU Library General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 ***************************************************************************/

#include "krossBackend.h"
#include "graph.h"
#include "node.h"
#include <KDebug>
#include <KTextBrowser>
#include "graphDocument.h"

QtScriptBackend::QtScriptBackend(GraphDocument& graphs, KTextBrowser *debugArea): _graphs(graphs)
{
    kDebug() << "Starting Script Backend";
    _debugArea = debugArea;

    kDebug() << "Graph Document" << _graphs;

    int size = _graphs.size();
    for (int i = 0; i < size; i++) {
        _graphs.at(i)->setEngine(this);
    }
    createGraphList();
    kDebug() << "ScriptBackend Created";
}

void QtScriptBackend::setScript(const QString& s) {
    _script = s;
    kDebug() << "script Set";
}

void QtScriptBackend::createGraphList() {
    QScriptValue graphList = newArray();
    globalObject().setProperty("graphs", graphList);

    // Add all the graphs on the array as an array, and if it has a name,
    // also add it for direct acess with it's name.
    int size = _graphs.size();
    for (int i = 0; i < size; i++) {
        graphList.property("push").call(graphList, QScriptValueList() << _graphs.at(i)->scriptValue());
    }
}

void QtScriptBackend::setProperty( QScriptValue& object, const QScriptString& name, uint , const QScriptValue& value ) {
    QObject *obj = object.toQObject();
    QString s(name.toString());
    QVariant v(value.toVariant());
    if (obj == 0) {
        kDebug () << "Object is zero";
        return;
    }

    obj->setProperty(s.toAscii(), v);
}

QScriptValue QtScriptBackend::property ( const QScriptValue & object, const QScriptString & name, uint ) {
    QObject *obj = object.toQObject();
    QString s(name.toString());
    if (obj == 0) {
        kDebug () << "Object is zero";
        return QScriptValue();
    }

    QScriptValue  value = object.property(s);
    return value;
}
void QtScriptBackend::loadFile(const QString& file) {
    _script.clear();
    QFile f(file);
    if  (  !f.open(QIODevice::ReadOnly | QIODevice::Text ) ) {
        qDebug() << "File not found";
        return;
    }

    while ( ! f.atEnd() ) {
        QByteArray line = f.readLine();
        _script += line;
    }
    _script += '\n';
}