/* 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.
 */

//! \file

#ifndef BLACKMISC_SIMULATION_FSCOMMON_AIRCRAFTMAPPER_H
#define BLACKMISC_SIMULATION_FSCOMMON_AIRCRAFTMAPPER_H

#include "aircraftcfgentrieslist.h"
#include "../simulatormodelmappings.h"
#include "blackmisc/worker.h"
#include <QObject>
#include <QScopedPointer>
#include <QFuture>
#include <QtConcurrent/QtConcurrent>
#include <QReadWriteLock>
#include <memory>

namespace BlackMisc
{
    namespace Simulation
    {
        namespace FsCommon
        {
            //! Mapper for all models (works for FS9/FSX).
            //! \details Reads all the mapping rules and all the available flight simulator models.
            //!          Then all rules for models not existing are eliminated ( \sa synchronize ).
            //!          Thereafter all existing models and mappings can be obtained from here.
            //! \sa CAircraftCfgEntries
            //! \sa CAircraftCfgEntriesList
            class CAircraftMapper : public QObject
            {
                Q_OBJECT

            signals:
                //! Number of entries read
                void entriesRead(int number);

                //! Full init completed
                void initCompleted(bool success);

            public:
                //! Default constructor
                CAircraftMapper(QObject *parent = nullptr);

                //! Constructor, handing over ownership or mappings object
                CAircraftMapper(std::unique_ptr<ISimulatorModelMappings> mappings, QObject *parent = nullptr);

                //! Constructor, handing over ownership or mappings object
                CAircraftMapper(std::unique_ptr<ISimulatorModelMappings> mappings, const QString &simObjectsDir, QObject *parent = nullptr);

                //! Destructor
                ~CAircraftMapper();

                //! Completely init
                bool initCompletely(QString simObjectDir);

                //! Read for directory or re-read
                int readSimObjects(const QString &simObjectDir = "");

                //! Init in background
                void initCompletelyInBackground(const QString &simObjectDir = "");

                //! Init completed?
                bool isInitialized() const;

                //! Get all aircraft entries (aka models available)
                const CAircraftCfgEntriesList &getAircraftCfgEntriesList() const { return m_entries; }

                //! Get all mappings
                const BlackMisc::Network::CAircraftMappingList &getAircraftMappingList() const { return m_mappings->getMappingList(); }

                //! Inverse lookup
                BlackMisc::Aviation::CAircraftIcao getIcaoForModelString(const QString &modelString) const;

                //! Number of aircraft entries
                int countAircraftCfgEntries() const { return m_entries.size(); }

                //! Number of mapping definitions
                int countMappingRules() const { return m_mappings ? m_mappings->size() : 0; }

                //! Set the directory
                bool changeCAircraftCfgEntriesDirectory(const QString &directory) { return this->m_entries.changeDirectory(directory); }

                //! Contains model with title?
                bool containsModelWithTitle(const QString &title, Qt::CaseSensitivity caseSensitivity = Qt::CaseInsensitive);

                //! Model with title
                BlackMisc::Simulation::CAircraftModel getModelWithTitle(const QString &title, Qt::CaseSensitivity caseSensitivity = Qt::CaseInsensitive) const;

                //! Synchronize models and mappings
                //! \remarks after this step, we only have mappings for which we have models
                int synchronize();

                //! Shutdown
                void gracefulShutdown();

                //! To force reload
                void markUninitialized();

                //! default model
                static const BlackMisc::Simulation::CAircraftModel &getDefaultModel();

            private:
                QScopedPointer<BlackMisc::Simulation::ISimulatorModelMappings> m_mappings; //!< all mapping definitions
                CAircraftCfgEntriesList                           m_entries;  //!< all entries
                bool                m_init = false;
                bool                m_initInProgress = false;
                BlackMisc::CWorker *m_initWorker = nullptr;
            };
        } // namespace
    } // namespace
} // namespace
#endif // guard