/* Copyright (C) 2013
 * 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/icon.h"
#include "blackmisc/iconlist.h"
#include "blackmisc/icons.h"
#include "blackmisc/network/voicecapabilities.h"

#include <QList>
#include <QString>
#include <QtGlobal>

using namespace BlackMisc;

namespace BlackMisc
{
    namespace Network
    {
        CVoiceCapabilities::CVoiceCapabilities(const QString &flightPlanRemarks)
        {
            this->setFromFlightPlanRemarks(flightPlanRemarks);
        }

        QString CVoiceCapabilities::convertToQString(bool i18n) const
        {
            Q_UNUSED(i18n);
            static const QString v("voice");
            static const QString t("text only");
            static const QString r("voice listening only");
            static const QString u("unknown");

            switch (m_voiceCapabilities)
            {
            case Voice: return v;
            case TextOnly: return t;
            case VoiceReceivingOnly: return r;
            case Unknown: return u;
            default: break;
            }
            Q_ASSERT_X(false, Q_FUNC_INFO, "Illegal mode");
            return u;
        }

        void CVoiceCapabilities::setFromFlightPlanRemarks(const QString &flightPlanRemarks)
        {
            // http://www.vatpac.org/cms/index.php?option=com_content&view=article&id=608&Itemid=213

            // this function is very frequently called, so I put the most likely scenarios on top
            const QString r = flightPlanRemarks.toUpper().trimmed();
            if (flightPlanRemarks.isEmpty()) { this->setCapabilities(Unknown); return; }
            if (r.contains("/V/")) { this->setCapabilities(Voice); return; }
            if (r.contains("/T/")) { this->setCapabilities(TextOnly); return; }
            if (r.contains("/R/")) { this->setCapabilities(VoiceReceivingOnly); return; }
            if (r.contains("/VOICE/")) { this->setCapabilities(Voice); return; }
            if (r.contains("/TEXT/")) { this->setCapabilities(TextOnly); return; }
            this->setCapabilities(Unknown);
        }

        CIcon CVoiceCapabilities::toIcon() const
        {
            switch (m_voiceCapabilities)
            {
            case Voice: return CIcon::iconByIndex(CIcons::NetworkCapabilityVoiceBackground);
            case TextOnly: return CIcon::iconByIndex(CIcons::NetworkCapabilityTextOnly);
            case VoiceReceivingOnly: return CIcon::iconByIndex(CIcons::NetworkCapabilityVoiceReceiveOnlyBackground);
            case Unknown: return CIcon::iconByIndex(CIcons::NetworkCapabilityUnknown);
            default: break;
            }
            Q_ASSERT_X(false, Q_FUNC_INFO, "Illegal mode");
            return CIcon::iconByIndex(CIcons::NetworkCapabilityUnknown); // never reached
        }

        const CVoiceCapabilities &CVoiceCapabilities::fromVoiceCapabilities(CVoiceCapabilities::VoiceCapabilities capabilities)
        {
            static const CVoiceCapabilities u(CVoiceCapabilities::Unknown);
            static const CVoiceCapabilities to(CVoiceCapabilities::TextOnly);
            static const CVoiceCapabilities v(CVoiceCapabilities::Voice);
            static const CVoiceCapabilities vro(CVoiceCapabilities::VoiceReceivingOnly);

            switch (capabilities)
            {
            case CVoiceCapabilities::TextOnly: return to;
            case CVoiceCapabilities::Voice: return v;
            case CVoiceCapabilities::VoiceReceivingOnly: return vro;
            case CVoiceCapabilities::Unknown: return u;
            default: break;
            }
            Q_ASSERT_X(false, Q_FUNC_INFO, "Illegal mode");
            return u; // normally never reached
        }

        CVoiceCapabilities CVoiceCapabilities::fromFlightPlanRemarks(const QString &remarks)
        {
            return CVoiceCapabilities(remarks);
        }

        const QList<CVoiceCapabilities> &CVoiceCapabilities::allCapabilities()
        {
            static const QList<CVoiceCapabilities> all({fromVoiceCapabilities(Unknown), fromVoiceCapabilities(Voice), fromVoiceCapabilities(VoiceReceivingOnly), fromVoiceCapabilities(TextOnly)});
            return all;
        }
    } // namespace
} // namespace