/***************************************************************************
 *   Copyright (C) 2008 by Pino Toscano <pino@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 of the License, or     *
 *   (at your option) any later version.                                   *
 ***************************************************************************/

#include "scripter.h"

#include <QDebug>
#include <QFile>

#include "debug_p.h"
#include "script/executor_kjs_p.h"

using namespace Okular;

class Okular::ScripterPrivate
{
    public:
        ScripterPrivate( DocumentPrivate *doc )
            : m_doc( doc )
#ifdef WITH_KJS
            , m_kjs( nullptr )
#endif
            , m_event( nullptr )
        {
        }

        DocumentPrivate *m_doc;
#ifdef WITH_KJS
        QScopedPointer<ExecutorKJS> m_kjs;
#endif
        Event *m_event;
};

Scripter::Scripter( DocumentPrivate *doc )
    : d( new ScripterPrivate( doc ) )
{
}

Scripter::~Scripter()
{
    delete d;
}

QString Scripter::execute( ScriptType type, const QString &script )
{
    qCDebug(OkularCoreDebug) << "executing the script:";
#ifdef WITH_KJS
#if 0
    if ( script.length() < 1000 )
        qDebug() << script;
    else
        qDebug() << script.left( 1000 ) << "[...]";
#endif
    static QString builtInScript;
    if ( builtInScript.isNull() )
    {
        QFile builtInResource ( ":/script/builtin.js" );
        if (!builtInResource.open( QIODevice::ReadOnly ))
        {
            qCDebug(OkularCoreDebug) << "failed to load builtin script";
        }
        else
        {
            builtInScript = QString::fromUtf8( builtInResource.readAll() );
            builtInResource.close();
        }
    }

    switch ( type )
    {
        case JavaScript:
            if ( !d->m_kjs )
            {
                d->m_kjs.reset(new ExecutorKJS( d->m_doc ));
            }
            d->m_kjs->execute( builtInScript + script, d->m_event );
            break;
    }
#endif
    return QString();
}

void Scripter::setEvent( Event *event )
{
    d->m_event = event;
}

Event *Scripter::event() const
{
    return d->m_event;
}