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

    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 "parley.h"

#include "editor/editor.h"
#include "../../vocabulary/vocabularymodel.h"
#include "../../vocabulary/vocabularyview.h"

#include "../scriptmanager.h"
#include "../translator.h"

#include "document.h"
#include "lesson.h"
#include "expression.h"
#include "translation.h"

#include <KLocale>
#include <KGlobal>
#include <KDebug>
#include <KActionCollection>
#include <KMenuBar>

namespace Scripting
{

    Parley::Parley ( Editor * editor ) : QObject(), m_editor ( editor )
    {
        m_translator = new Translator(this); //parameter has to be <this> cause it's used by Translator to access callTranslateWord
        m_doc = new Document ( ParleyDocument::instance()->document() );
    }

    Parley::~Parley()
    {
        delete m_translator;
        delete m_doc;
    }

    void Parley::callTranslateWord ( const QString & word,const QString& fromLanguage,const QString& toLanguage )
    {
        emit translationStarted ( word, fromLanguage, toLanguage );
        emit translateWord ( word, fromLanguage, toLanguage );
        emit translationFinished ( word, fromLanguage, toLanguage );
    }

    void Parley::addTranslation ( QString word,QString fromLanguage,QString toLanguage, QString translation )
    {
        if ( m_translator )
            m_translator->addTranslation ( word,fromLanguage,toLanguage,translation );
    }

    QStringList Parley::locales()
    {
        /// @todo Change it into a QMap property (Parley.languageCodes)
        return KGlobal::locale()->allLanguagesList();
    }

    QString Parley::localeName ( QString locale )
    {
        return KGlobal::locale()->languageCodeToName ( locale );
    }

    void Parley::open( QString filename )
    {
        KUrl url(filename);
        kDebug() << url;
        ParleyDocument::instance()->open( url );
    }

    QObject* Parley::activeLesson()
    {
        return new Lesson ( m_editor->m_vocabularyModel->lesson() );
    }

    QVariantList Parley::selectedEntries()
    {
        QVariantList entries;

        //get selected indexes and active lesson
        QModelIndexList indexes = m_editor->m_vocabularyView->getSelectedIndexes();

        //get the unique selected entries
        QSet<KEduVocExpression*> kentries;
        foreach ( const QModelIndex &index, indexes )
        {
//             kDebug() << index.row() << index.data(Qt::DisplayRole);
            KEduVocExpression * expr = qvariant_cast<KEduVocExpression*> ( index.data(VocabularyModel::EntryRole) );
            kentries << expr;
        }

        //convert them to Expression objects and add them to the QVariantList
        foreach (KEduVocExpression * expr, kentries) {
//             Expression entry(expr);
//             kDebug() << entry.translationTexts();
            QObject * obj = new Expression(expr);
            entries << qVariantFromValue ( obj );
        }

        return entries;
    }

    QVariantList Parley::selectedTranslations() {
        QVariantList translations;

        //get selected indexes and active lesson
        QModelIndexList indexes = m_editor->m_vocabularyView->getSelectedIndexes();

        //get the unique selected entries
        QSet<KEduVocTranslation*> ktranslations;
//         const QModelIndex &index;
        foreach ( const QModelIndex &index, indexes )
        {
            if (VocabularyModel::columnType( index.column() ) == VocabularyModel::Translation) {
                KEduVocExpression * expr = qvariant_cast<KEduVocExpression*> ( index.data(VocabularyModel::EntryRole) );
                ktranslations << expr->translation(VocabularyModel::translation(index.column()));
            }
//             kDebug() << index.row() << index.data(Qt::DisplayRole);
        }

        //convert them to Expression objects and add them to the QVariantList
        foreach (KEduVocTranslation * tr, ktranslations) {
//             Translation transltion(tr);
//             kDebug() << entry.translationTexts();
            QObject * obj = new Translation(tr);
            translations << qVariantFromValue ( obj );
        }

        return translations;
    }

    QObject * Scripting::Parley::newAction ( const QString & name, const QString& text )
    {
        //create new action
        KAction* action = new KAction ( text, m_editor );
        m_editor->m_scriptManager->addScriptAction ( name,action );
        return action;

    }

}