/* 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 "aircraftmodelview.h"
#include "blackmisc/aviation/aircrafticaocodelist.h"
#include "blackmisc/aviation/airlineicaocodelist.h"
#include "blackmisc/aviation/liverylist.h"
#include "blackmisc/simulation//distributorlist.h"
#include "blackgui/shortcut.h"
#include "blackgui/guiutility.h"
#include "blackgui/filters/aircraftmodelfilterdialog.h"
#include <QHeaderView>
#include <QShortcut>
#include <iostream>
#include <memory>

using namespace BlackMisc;
using namespace BlackMisc::Simulation;
using namespace BlackMisc::Aviation;
using namespace BlackGui::Models;
using namespace BlackGui::Filters;

namespace BlackGui
{
    namespace Views
    {
        CAircraftModelView::CAircraftModelView(QWidget *parent) : CViewBase(parent)
        {
            // default
            this->standardInit(new CAircraftModelListModel(CAircraftModelListModel::OwnSimulatorModel, this));

            // filter
            QWidget *mainWindow = this->mainApplicationWindowWidget();
            Q_ASSERT_X(mainWindow, Q_FUNC_INFO, "no main window found");
            this->setFilterDialog(new CAircraftModelFilterDialog(mainWindow));

            // shortcut
            new QShortcut(CShortcut::keyStash(), this, SLOT(ps_stashShortcut()), nullptr, Qt::WidgetShortcut);

            // default mode
            CAircraftModelListModel::AircraftModelMode mode = derivedModel()->getModelMode();
            this->setAircraftModelMode(mode);
        }

        void CAircraftModelView::setAircraftModelMode(CAircraftModelListModel::AircraftModelMode mode)
        {
            this->m_withMenuDisplayAutomatically = false;
            this->setCustomMenu(nullptr, false); // delete everything
            derivedModel()->setAircraftModelMode(mode);
            switch (mode)
            {
            case CAircraftModelListModel::StashModel:
                this->m_withMenuItemClear = true;
                this->m_withMenuItemRefresh = false;
                this->m_withMenuItemBackend = false;
                this->setCustomMenu(new CHighlightDbModelsMenu(this, true));
                break;
            case CAircraftModelListModel::Database:
                this->m_withMenuItemClear = false;
                this->m_withMenuItemRefresh = false;
                this->m_withMenuItemBackend = true;
                break;
            case CAircraftModelListModel::VPilotRuleModel:
                this->m_withMenuItemClear = false;
                this->m_withMenuItemRefresh = true;
                this->m_withMenuItemBackend = false;
                this->setCustomMenu(new CHighlightDbModelsMenu(this, true));
                this->setCustomMenu(new CHighlightStashedModelsMenu(this, true));
                break;
            case CAircraftModelListModel::OwnSimulatorModelMapping:
                this->m_withMenuDisplayAutomatically = true;
                this->m_withMenuItemClear = false;
                this->m_withMenuItemRefresh = false;
                this->m_withMenuItemBackend = false;
                this->setCustomMenu(new CHighlightDbModelsMenu(this, true));
                this->setCustomMenu(new CHighlightStashedModelsMenu(this, true));
                break;
            case CAircraftModelListModel::OwnSimulatorModel:
            default:
                this->m_withMenuDisplayAutomatically = true;
                this->m_withMenuItemClear = false;
                this->m_withMenuItemRefresh = true;
                this->m_withMenuItemBackend = true;
                this->setCustomMenu(new CHighlightDbModelsMenu(this, true));
                break;
            }
        }

        int CAircraftModelView::applyToSelected(const CLivery &livery)
        {
            if (!hasSelection()) { return 0; }
            int c = this->updateSelected(CVariant::from(livery), CAircraftModel::IndexLivery);
            return c;
        }

        int CAircraftModelView::applyToSelected(const CAircraftIcaoCode &icao)
        {
            if (!hasSelection()) { return 0; }
            int c = this->updateSelected(CVariant::from(icao), CAircraftModel::IndexAircraftIcaoCode);
            return c;
        }

        int CAircraftModelView::applyToSelected(const CDistributor &distributor)
        {
            if (!hasSelection()) { return 0; }
            int c = this->updateSelected(CVariant::from(distributor), CAircraftModel::IndexDistributor);
            return c;
        }

        bool CAircraftModelView::hasModelsToStash() const
        {
            return m_allowStash && hasSelection();
        }

        void CAircraftModelView::setImplementedMetaTypeIds()
        {
            this->setAcceptedMetaTypeIds(
            {
                qMetaTypeId<CAirlineIcaoCode>(), qMetaTypeId<CAirlineIcaoCodeList>(),
                qMetaTypeId<CAircraftIcaoCode>(), qMetaTypeId<CAircraftIcaoCodeList>(),
                qMetaTypeId<CLivery>(), qMetaTypeId<CLiveryList>(),
                qMetaTypeId<CDistributor>(), qMetaTypeId<CDistributorList>(),
                qMetaTypeId<CAircraftModel>(), qMetaTypeId<CAircraftModelList>(),
            });
        }

        void CAircraftModelView::dropEvent(QDropEvent *event)
        {
            if (!isDropAllowed()) { return; }
            if (!event) { return; }
            const QMimeData *mime = event->mimeData();
            if (!mime) { return; }

            if (CGuiUtility::hasSwiftVariantMimeType(mime))
            {
                CVariant valueVariant(CGuiUtility::fromSwiftDragAndDropData(mime));
                if (valueVariant.isValid())
                {
                    if (valueVariant.canConvert<CAircraftModel>())
                    {
                        CAircraftModel model = valueVariant.value<CAircraftModel>();
                        if (!model.hasModelString()) { return; }
                        const CAircraftModelList models({model});
                        this->derivedModel()->replaceOrAddByModelString(models);
                        return;
                    }
                    else if (valueVariant.canConvert<CAircraftModelList>())
                    {
                        CAircraftModelList models(valueVariant.value<CAircraftModelList>());
                        if (models.isEmpty()) { return; }
                        this->derivedModel()->replaceOrAddByModelString(models);
                        return;
                    }

                    // only for selected members
                    if (!this->hasSelection()) { return; }
                    if (valueVariant.canConvert<CAircraftIcaoCode>())
                    {
                        CAircraftIcaoCode icao = valueVariant.value<CAircraftIcaoCode>();
                        if (icao.validate().hasErrorMessages()) { return; }
                        this->applyToSelected(icao);
                    }
                    else if (valueVariant.canConvert<CAircraftIcaoCodeList>())
                    {
                        CAircraftIcaoCodeList icaos(valueVariant.value<CAircraftIcaoCodeList>());
                        if (icaos.size() != 1) { return; }
                        CAircraftIcaoCode icao = icaos.front();
                        if (icao.validate().hasErrorMessages()) { return; }
                        this->applyToSelected(icao);
                    }
                    else if (valueVariant.canConvert<CLivery>())
                    {
                        CLivery livery = valueVariant.value<CLivery>();
                        if (livery.validate().hasErrorMessages()) { return; }
                        this->applyToSelected(livery);
                    }
                    else if (valueVariant.canConvert<CLiveryList>())
                    {
                        CLiveryList liveries(valueVariant.value<CLiveryList>());
                        if (liveries.size() != 1) { return; }
                        CLivery livery = liveries.front();
                        if (livery.validate().hasErrorMessages()) { return; }
                        this->applyToSelected(livery);
                    }
                    else if (valueVariant.canConvert<CDistributor>())
                    {
                        CDistributor distributor = valueVariant.value<CDistributor>();
                        if (distributor.validate().hasErrorMessages()) { return; }
                        this->applyToSelected(distributor);
                    }
                    else if (valueVariant.canConvert<CDistributorList>())
                    {
                        CDistributorList distributors(valueVariant.value<CDistributorList>());
                        if (distributors.size() != 1) { return; }
                        CDistributor distributor = distributors.front();
                        if (distributor.validate().hasErrorMessages()) { return; }
                        this->applyToSelected(distributor);
                    }
                    else if (valueVariant.canConvert<CAirlineIcaoCode>())
                    {
                        CAirlineIcaoCode airline = valueVariant.value<CAirlineIcaoCode>();
                        if (airline.validate().hasErrorMessages()) { return; }
                        emit requestHandlingOfStashDrop(airline); // I need to convert to stanard livery, which I can`t do here
                    }
                    else if (valueVariant.canConvert<CAirlineIcaoCodeList>())
                    {
                        CAirlineIcaoCodeList airlines(valueVariant.value<CAirlineIcaoCodeList>());
                        if (airlines.size() != 1) { return; }
                        CAirlineIcaoCode airline = airlines.front();
                        if (airline.validate().hasErrorMessages()) { return; }
                        emit requestHandlingOfStashDrop(airline); // I need to convert to stanard livery, which I can`t do here
                    }
                }
            } // valid mime?
        }

        void CAircraftModelView::ps_toggleHighlightDbModels()
        {
            bool h = derivedModel()->highlightDbData();
            derivedModel()->setHighlightDbData(!h);
        }

        void CAircraftModelView::ps_toggleHighlightStashedModels()
        {
            bool h = derivedModel()->highlightGivenModelStrings();
            derivedModel()->setHighlightModelsStrings(!h);
        }

        void CAircraftModelView::ps_stashShortcut()
        {
            if (!m_allowStash) { return; }
            emit requestStash();
        }

        void CAircraftModelView::CHighlightDbModelsMenu::customMenu(QMenu &menu) const
        {
            const CAircraftModelView *mv = qobject_cast<const CAircraftModelView *>(parent());
            Q_ASSERT_X(mv, Q_FUNC_INFO, "no view");
            QAction *a = menu.addAction(CIcons::database16(), "Highlight DB models", mv, SLOT(ps_toggleHighlightDbModels()));
            a->setCheckable(true);
            a->setChecked(mv->derivedModel()->highlightDbData());
            this->nestedCustomMenu(menu);
        }

        void CAircraftModelView::CHighlightStashedModelsMenu::customMenu(QMenu &menu) const
        {
            const CAircraftModelView *mv = qobject_cast<const CAircraftModelView *>(parent());
            Q_ASSERT_X(mv, Q_FUNC_INFO, "no view");
            QAction *a = menu.addAction(CIcons::appDbStash16(), "Highlight stashed models", mv, SLOT(ps_toggleHighlightStashedModels()));
            a->setCheckable(true);
            a->setChecked(mv->derivedModel()->highlightGivenModelStrings());
            this->nestedCustomMenu(menu);
        }
    } // namespace
} // namespace