/* 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.
 */

//! \file

#include "blackmisc/aviation/airporticaocode.h"
#include "blackmisc/compare.h"

#include <QRegularExpression>
#include <Qt>
#include <QtGlobal>

namespace BlackMisc
{
    namespace Aviation
    {
        QString CAirportIcaoCode::convertToQString(bool /** i18n **/) const
        {
            return m_icaoCode;
        }

        bool CAirportIcaoCode::hasValidIcaoCode(bool strict) const
        {
            return CAirportIcaoCode::isValidIcaoDesignator(this->getIcaoCode(), strict);
        }

        bool CAirportIcaoCode::equalsString(const QString &icaoCode) const
        {
            CAirportIcaoCode other(icaoCode);
            return other == (*this);
        }

        QString CAirportIcaoCode::unifyAirportCode(const QString &icaoCode)
        {
            const QString code = icaoCode.trimmed().toUpper();
            if (!validCodeLength(icaoCode.length(), false)) return {};
            if (containsChar(code, [](QChar c) { return !c.isLetterOrNumber(); })) { return {}; }
            return code;
        }

        bool CAirportIcaoCode::isValidIcaoDesignator(const QString &icaoCode, bool strict)
        {
            const QString icao = unifyAirportCode(icaoCode);
            return validCodeLength(icao.length(), strict);
        }

        bool CAirportIcaoCode::containsNumbers(const QString &icaoCode)
        {
            return (containsChar(icaoCode, [](QChar c) { return c.isDigit(); }));
        }

        CVariant CAirportIcaoCode::propertyByIndex(const CPropertyIndex &index) const
        {
            if (index.isMyself()) { return CVariant::from(*this); }
            return CValueObject::propertyByIndex(index);
        }

        void CAirportIcaoCode::setPropertyByIndex(const CPropertyIndex &index, const CVariant &variant)
        {
            if (index.isMyself()) { (*this) = variant.to<CAirportIcaoCode>(); return; }
            CValueObject::setPropertyByIndex(index, variant);
        }

        int CAirportIcaoCode::comparePropertyByIndex(const CPropertyIndex &index, const CAirportIcaoCode &compareValue) const
        {
            Q_UNUSED(index);
            return m_icaoCode.compare(compareValue.getIcaoCode(), Qt::CaseInsensitive);
        }

        bool CAirportIcaoCode::validCodeLength(int l, bool strict)
        {
            // FAA code 3
            // ICAO code 4
            if (strict) { return l == 4; }
            return l >= 3 && l <= 6;

            // https://en.wikipedia.org/wiki/Location_identifier#FAA_identifier says can be up to 5 characters
            // https://en.wikipedia.org/wiki/ICAO_airport_code#Pseudo_ICAO-codes says France has some 6-character airport codes
            // and ZZZZ can be used in a flight plan as ICAO code for any airport that doesn't have one
        }
    } // namespace
} // namespace