/* Copyright (C) 2015
 * swift project Community / Contributors
 *
 * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
 * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
 * including this file, may be copied, modified, propagated, or distributed except according to the terms
 * contained in the LICENSE file.
 */

#include "blackmisc/db/dbflags.h"
#include "blackmisc/verify.h"

#include <QStringList>
#include <QtGlobal>

namespace BlackMisc
{
    namespace Db
    {
        bool CDbFlags::readsFromWeb(CDbFlags::DataRetrievalMode mode)
        {
            return mode.testFlag(DbReading) || mode.testFlag(Shared);
        }

        QString CDbFlags::flagToString(CDbFlags::DataRetrievalModeFlag flag)
        {
            switch (flag)
            {
            case Unspecified: return "Unspecified";
            case Ignore: return "Ignore";
            case Canceled: return "Canceled";
            case DbReading: return "Direct DB access";
            case Shared: return "Shared data";
            case Cached: return "Cached data";
            default:
                BLACK_VERIFY_X(false, Q_FUNC_INFO, "wrong flags");
                return "wrong flags";
            }
        }

        QString CDbFlags::flagToString(CDbFlags::DataRetrievalMode mode)
        {
            QStringList list;
            if (mode.testFlag(Unspecified)) list << "Unspecified";
            if (mode.testFlag(Canceled)) list << "Canceled";
            if (mode.testFlag(Ignore)) list << "Ignore";

            if (mode.testFlag(DbReading)) list << "Direct DB access";
            if (mode.testFlag(Shared)) list << "Shared data";
            if (mode.testFlag(Cached)) list << "Cached data";
            return list.join(", ");
        }

        CDbFlags::DataRetrievalModeFlag CDbFlags::modeToModeFlag(DataRetrievalMode mode)
        {
            if (mode == Unspecified) return Unspecified;
            if (mode == DbReading) return DbReading;
            if (mode == DbWriting) return DbWriting;
            if (mode == Shared) return Shared;
            if (mode == SharedInfoOnly) return SharedInfoOnly;
            if (mode == Cached) return Cached;
            if (mode == Canceled) return Canceled;
            if (mode == Ignore) return Ignore;
            return Unspecified;
        }

        CDbFlags::DataRetrievalMode CDbFlags::adjustWhenDbIsDown(DataRetrievalMode mode)
        {
            switch (mode)
            {
            case DbReading: return Canceled;
            case CacheThenDb: return Cached;
            default: return mode;
            }
        }

        void CDbFlags::registerMetadata()
        {
            // this is no value class and I register enums here,
            // that's why I do not use the Mixins
            qRegisterMetaType<CDbFlags::DataRetrievalModeFlag>();
            qRegisterMetaType<CDbFlags::DataRetrievalMode>();
        }
    } // namespace
} // namespace