/***************************************************************************

    Copyright 2008 Avgoustinos Kadis <avgoustinos.kadis@kdemail.net>

 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 "script.h"

#include <KDebug>
#include <KLocale>

#include <kross/core/action.h>


Script::Script ( QString file )
{
    m_file = file;
    m_activated = false;
}


Script::~Script()
{
    if (m_object)
        delete  m_object;
}


bool Script::isActivated()
{
    return m_activated;
}


void Script::activate()
{
    kDebug() << "Activating Script" << fileName();
    if ( isActivated() )
    {
        kDebug() << "Script already activated";
        return;
    }
    if ( !exists() )
    {
        kDebug() << "Script file given does not exist";
        m_errorMessage = i18n("The script file does not exist.");
        return;
    }

    // Create the script container. m_object is the parent QObject,
    // so that our action instance will be destroyed once the m_object
    // is destroyed.
    m_object = new QObject();
    Kross::Action* action = new Kross::Action ( m_object, m_file );
    // Publish our myobject instance and connect signals with
    // scripting functions.
    QMapIterator<QString,QObject*> i ( m_scriptObjects );
    while ( i.hasNext() )
    {
        i.next();
        kDebug() << i.key();
        action->addObject ( i.value() , i.key(), Kross::ChildrenInterface::AutoConnectSignals );
    }

    // Set the file to be execute
    action->setFile ( m_file );

    // Execute the script.
    action->trigger();

    m_activated = !action->isFinalized();
    if (!m_activated) {
        kDebug() << "Script not activated";
        QString msg = action->errorMessage();
        QString trace = action->errorTrace();
        msg.replace('<', "&lt;").replace('\n',"<br/>");
        trace.replace('<', "&lt;").replace('\n',"<br/>");
        m_errorMessage = "<p><strong>"+i18n("Error in file %1 at line %2:", fileName(),
            action->errorLineNo())+"</strong><br/>"+msg+"<br/><strong>"
            +i18nc("debug information in error message", "Backtrace:")+
            "</strong><br/>"+trace+"</p>";
    }
}


void Script::deactivate()
{
    if ( m_object )
        delete m_object;
    m_activated = false;
}


bool Script::exists()
{
    QFileInfo fileInfo ( m_file );
    return fileInfo.exists();
}


QString Script::fileName()
{
    return m_file;
}


void Script::addObject ( QString name, QObject * object )
{
    m_scriptObjects.insert ( name,object );
}


void Script::addObjects ( QMap<QString,QObject*> objects )
{
    m_scriptObjects.unite ( objects );
}

QString Script::errorMessage()
{
    return m_errorMessage;
}