/* 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. 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 "blackcore/context/contextaudio.h"
#include "blackcore/context/contextnetwork.h"
#include "blackcore/context/contextsimulator.h"
#include "blackcore/context/contextownaircraft.h"
#include "blackgui/components/cockpitcomcomponent.h"
#include "blackgui/components/selcalcodeselector.h"
#include "blackgui/components/transpondercodespinbox.h"
#include "blackgui/components/transpondermodeselector.h"
#include "blackgui/guiapplication.h"
#include "blackgui/led.h"
#include "blackgui/stylesheetutility.h"
#include "blackmisc/aviation/atcstationlist.h"
#include "blackmisc/aviation/atcstation.h"
#include "blackmisc/aviation/callsign.h"
#include "blackmisc/aviation/comsystem.h"
#include "blackmisc/logmessage.h"
#include "blackmisc/pq/frequency.h"
#include "blackmisc/pq/units.h"
#include "blackmisc/sequence.h"
#include "blackmisc/verify.h"
#include "ui_cockpitcomcomponent.h"

#include <QDoubleSpinBox>
#include <QLabel>
#include <QPushButton>
#include <QString>
#include <QtGlobal>

using namespace BlackGui;
using namespace BlackGui::Editors;
using namespace BlackCore;
using namespace BlackCore::Context;
using namespace BlackMisc;
using namespace BlackMisc::Audio;
using namespace BlackMisc::Aviation;
using namespace BlackMisc::Simulation;
using namespace BlackMisc::PhysicalQuantities;

namespace BlackGui
{
    namespace Components
    {
        CCockpitComComponent::CCockpitComComponent(QWidget *parent) :
            QFrame(parent),
            CIdentifiable(this),
            ui(new Ui::CCockpitComComponent)
        {
            ui->setupUi(this);

            // init from aircraft
            this->forceCockpitUpdateFromOwnAircraftContext();

            // COM form
            connect(ui->editor_Com, &CCockpitComForm::testSelcal,             this, &CCockpitComComponent::testSelcal);
            connect(ui->editor_Com, &CCockpitComForm::changedCockpitValues,   this, &CCockpitComComponent::updateOwnCockpitInContext);
            connect(ui->editor_Com, &CCockpitComForm::changedSelcal,          this, &CCockpitComComponent::updateSelcalInContext);
            connect(ui->editor_Com, &CCockpitComForm::requestCom1TextMessage, this, &CCockpitComComponent::requestCom1TextMessage);
            connect(ui->editor_Com, &CCockpitComForm::requestCom2TextMessage, this, &CCockpitComComponent::requestCom2TextMessage);

            // Relay COM form signals
            connect(ui->editor_Com, &CCockpitComForm::transponderModeChanged,     this, &CCockpitComComponent::transponderModeChanged);
            connect(ui->editor_Com, &CCockpitComForm::transponderStateIdentEnded, this, &CCockpitComComponent::transponderStateIdentEnded);

            // hook up with changes from own aircraft context
            if (sGui)
            {
                // own aircraft
                connect(sGui->getIContextOwnAircraft(), &IContextOwnAircraft::changedAircraftCockpit, this, &CCockpitComComponent::updateCockpitFromContext, Qt::QueuedConnection);
                connect(sGui->getIContextOwnAircraft(), &IContextOwnAircraft::changedSelcal,          this, &CCockpitComComponent::updateSelcalFromContext,  Qt::QueuedConnection);

                // hook up with audio context
                // connect(sGui->getIContextAudio(), &IContextAudio::changedVoiceRooms, this, &CCockpitComComponent::updateVoiceRoomStatusFromContext, Qt::QueuedConnection);

                // network
                connect(sGui->getIContextNetwork(), &IContextNetwork::changedAtcStationsOnlineDigest, this, &CCockpitComComponent::onAtcStationsChanged, Qt::QueuedConnection);

                QPointer<CCockpitComComponent> myself(this);
                QTimer::singleShot(10 * 1000, this, [ = ]
                {
                    if (!sGui || sGui->isShuttingDown() || !myself) { return; }
                    const CSimulatedAircraft aircraft = sGui->getIContextOwnAircraft()->getOwnAircraft();
                    this->updateCockpitFromContext(aircraft, CIdentifier::fake());
                });
            }
        }

        CCockpitComComponent::~CCockpitComComponent()
        { }

        void CCockpitComComponent::setTransponderModeStateIdent()
        {
            ui->editor_Com->setTransponderModeStateIdent();
        }

        void CCockpitComComponent::paintEvent(QPaintEvent *event)
        {
            Q_UNUSED(event)
            CStyleSheetUtility::useStyleSheetInDerivedWidget(this);
        }

        void CCockpitComComponent::updateCockpitFromContext(const CSimulatedAircraft &ownAircraft, const CIdentifier &originator)
        {
            if (isMyIdentifier(originator)) { return; } // comes from myself

            // update GUI elements
            // avoid unnecessary change events as far as possible
            const CComSystem com1 = ownAircraft.getCom1System(); // aircraft just updated or set from context
            const CComSystem com2 = ownAircraft.getCom2System();
            const CTransponder transponder = ownAircraft.getTransponder();

            // update the frequencies
            ui->editor_Com->setFrequencies(com1, com2);

            // update transponder
            ui->editor_Com->setTransponder(transponder);

            // selected stations
            if (sGui)
            {
                if (sGui->getIContextNetwork())
                {
                    const CAtcStationList selectedStations = sGui->getIContextNetwork()->getSelectedAtcStations();
                    ui->editor_Com->setSelectedAtcStations(selectedStations);
                }
            }
        }

        void CCockpitComComponent::testSelcal()
        {
            Q_ASSERT_X(sGui, Q_FUNC_INFO, "Need sGui");
            const CSelcal selcal = ui->editor_Com->getSelcal();
            if (!selcal.isValid())
            {
                CLogMessage().validationWarning(u"Invalid SELCAL code");
            }
            else if (sGui->getCContextAudioBase())
            {
                sGui->getCContextAudioBase()->playSelcalTone(selcal);
            }
            else
            {
                CLogMessage().validationWarning(u"No audio available");
            }
        }

        void CCockpitComComponent::updateSelcalFromContext(const CSelcal &selcal, const CIdentifier &originator)
        {
            if (isMyIdentifier(originator)) { return; } // comes from myself
            ui->editor_Com->setSelcal(selcal);
        }

        CSimulatedAircraft CCockpitComComponent::getOwnAircraft() const
        {
            // unavailable context during shutdown possible
            // mostly when client runs with DBus, but DBus is down
            if (!sGui || sGui->isShuttingDown() || !sGui->getIContextOwnAircraft()) { return CSimulatedAircraft(); }
            return sGui->getIContextOwnAircraft()->getOwnAircraft();
        }

        bool CCockpitComComponent::updateOwnCockpitInContext(const CSimulatedAircraft &ownAircraft)
        {
            // unavailable context during shutdown possible
            // mostly when client runs with DBus, but DBus is down
            if (!sGui || sGui->isShuttingDown() || !sGui->getIContextOwnAircraft()) { return false; }
            return sGui->getIContextOwnAircraft()->updateCockpit(ownAircraft.getCom1System(), ownAircraft.getCom2System(), ownAircraft.getTransponder(), identifier());
        }

        void CCockpitComComponent::forceCockpitUpdateFromOwnAircraftContext()
        {
            if (!sGui || sGui->isShuttingDown()) { return; }
            const CSimulatedAircraft ownAircraft = this->getOwnAircraft();
            this->updateCockpitFromContext(ownAircraft, CIdentifier("dummyInitialValues")); // intentionally different name here
        }

        void CCockpitComComponent::onAtcStationsChanged()
        {
            // void
        }

        void CCockpitComComponent::updateSelcalInContext(const CSelcal &selcal)
        {
            if (!sGui || sGui->isShuttingDown() || !sGui->getIContextOwnAircraft()) { return; }
            sGui->getIContextOwnAircraft()->updateSelcal(selcal, identifier());
        }
    } // namespace
} // namespace