#include "extendedlocaleutil.h"

#if defined(Q_OS_SYMBIAN)

#include <QFile>

#include <QTextStream>

#include <QStringList>

#define LANGUAGE_LIST_FILE "/resource/hbi18n/translations/language_list.txt"

#define LANGUAGE_MAPPINGS_FILE "/resource/hbi18n/translations/locale_mappings.txt"

#endif // Q_OS_SYMBIAN

#include "cplanguagepluginlog.h"

/*!

    @beta

    @hbcore

    \class ExtendedLocaleUtil

    \brief ExtendedLocaleUtil provides mappings needed for Control Panel plugin which are not available through HbLocaleUtil class.

*/

/*!

    \brief Return list of language, region, collation and writing language mappings.

    \attention Symbian specific API

    \return a list containing mapped locale properties

*/ 

//#define __TESTCODE__

QList<LanguageRegionMapping> ExtendedLocaleUtil::localeMappings(bool onlySupported)

{

    CPLANG_LOG_FUNC_ENTRY("ExtendedLocaleUtil::localeMappings")

    QList<LanguageRegionMapping> mps = allLocaleMappings();

    if (!onlySupported) {

        return mps;

    }

    QList<LanguageRegionMapping> supportedmps;

    QStringList supportedLanguages = HbLocaleUtil::supportedLanguages();

    QStringList supportedRegions = HbLocaleUtil::supportedRegions();

    foreach (const QString &language,supportedLanguages) {

        LanguageRegionMapping *found = 0;

        for (int i = 0; i < mps.count();i++) {

            if (mps.at(i).languageId == language) {

                found = const_cast<LanguageRegionMapping*>(&mps.at(i));

                break;

            }

        }

        if (found) {

            supportedmps.append(*found);

        }

        else {

            LanguageRegionMapping map;

            map.languageId = language;

            map.primaryWritingLan = HbInputLanguage(QLocale(language).language());

        }

    }

    return supportedmps;

}

QList<LanguageRegionMapping> ExtendedLocaleUtil::allLocaleMappings()

{

    CPLANG_LOG_FUNC_ENTRY("ExtendedLocaleUtil::allLocaleMappings")

    QList<LanguageRegionMapping> mps;

#if defined(Q_OS_SYMBIAN)

    QString path = "c:";

    path += QString(LANGUAGE_MAPPINGS_FILE);

    QFile* file = new QFile(path);

    if (!file->exists() ) {

        path = "z:";

        path += QString(LANGUAGE_MAPPINGS_FILE);

        delete file;

        file = new QFile(path);

    }

    if (!file->open(QIODevice::ReadOnly | QIODevice::Text)) {

        delete file;

        return mps;

    }

    QTextStream in(file);

    while (!in.atEnd()) {

        QString line = in.readLine(256);

        if (!line.isEmpty()) {

            QStringList list = line.split(',', QString::SkipEmptyParts);

            if (list.count() < 7) {

                continue;

            }

            QString strCode = list[0];

            QString lanName = list[4];

            QString region = list[5];

            QString collation = list[6];

            bool ok;

            int code = strCode.toUInt(&ok);

            if (!ok) {

                continue;

            }

            QString lanPart =  (lanName.indexOf('_')>0) ? lanName.left(lanName.indexOf('_')) : lanName;

            QString regPart = (region.indexOf('_')>0) ? region.left(region.indexOf('_')) : region;           

            QLocale loc = QLocale(QString(lanPart+'_'+regPart));             

            HbInputLanguage  primaryWriting = HbInputLanguage(loc.language(), loc.country());

            HbInputLanguage  secondaryWriting = HbInputLanguage(QLocale::English, QLocale::UnitedKingdom);

            LanguageRegionMapping map;

            map.languageId = lanName;

            map.regionId = region;

            map.collationId = collation;

            map.primaryWritingLan = primaryWriting;

            map.secondaryWritingLan = secondaryWriting;

            mps.append(map);

        }

    }

    delete file;

#endif // Q_OS_SYMBIAN

    return mps;

}