/* 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 "blackmisc/pq/units.h"
#include "blackmisc/math/mathutils.h"

#include <QCoreApplication>

namespace BlackMisc
{
    namespace PhysicalQuantities
    {
        using BlackMisc::Math::CMathUtils;

        // pin vtables to this file

        void CLengthUnit::anchor()
        { }

        void CFrequencyUnit::anchor()
        { }

        void CMassUnit::anchor()
        { }

        void CPressureUnit::anchor()
        { }

        void CTemperatureUnit::anchor()
        { }

        void CSpeedUnit::anchor()
        { }

        void CAccelerationUnit::anchor()
        { }

        QString CAngleUnit::makeRoundedQStringWithUnit(double value, int digits, bool withGroupSeparator, bool i18n) const
        {
            if (digits < 0) { digits = this->getDisplayDigits(); }
            QString s;
            if ((*this) == CAngleUnit::sexagesimalDeg())
            {
                digits -= 4;
                Q_ASSERT(digits >= 0);
                double de = CMathUtils::trunc(value);
                double mi = CMathUtils::trunc((value - de) * 100.0);
                double se = CMathUtils::trunc((value - de - mi / 100.0) * 1000000) / 100.0;
                const char *fmt = value < 0 ? "-%1 %2 %3" : "%1 %2 %3";
                s = i18n ? QCoreApplication::translate("CMeasurementUnit", fmt) : fmt;
                s = s.arg(fabs(de), 0, 'f', 0).arg(fabs(mi), 2, 'f', 0, '0').arg(fabs(se), 3 + digits, 'f', digits, '0');
            }
            else if ((*this) == CAngleUnit::sexagesimalDegMin())
            {
                digits -= 2;
                Q_ASSERT(digits >= 0);
                double de = CMathUtils::trunc(value);
                double mi = CMathUtils::trunc((value - de) * 100.0);
                const char *fmt = value < 0 ? "-%1 %2" : "%1 %2";
                s = i18n ? QCoreApplication::translate("CMeasurementUnit", fmt) : fmt;
                s = s.arg(fabs(de), 0, 'f', 0).arg(fabs(mi), 3 + digits, 'f', digits, '0');
            }
            else
            {
                s = this->CMeasurementUnit::makeRoundedQStringWithUnit(value, digits, withGroupSeparator, i18n);
            }
            return s;
        }

        QString CTimeUnit::makeRoundedQStringWithUnit(double value, int digits, bool withGroupSeparator, bool i18n) const
        {
            if (digits < 0) { digits = this->getDisplayDigits(); }
            QString s;
            if ((*this) == CTimeUnit::hms())
            {
                digits -= 4;
                Q_ASSERT(digits >= 0);
                double hr = CMathUtils::trunc(value);
                double mi = CMathUtils::trunc((value - hr) * 100.0);
                double se = CMathUtils::trunc((value - hr - mi / 100.0) * 1000000) / 100.0;
                const char *fmt = value < 0 ? "-%1h%2m%3s" : "%1h%2m%3s";
                s = i18n ? QCoreApplication::translate("CMeasurementUnit", fmt) : fmt;
                s = s.arg(fabs(hr), 2, 'f', 0, '0').arg(fabs(mi), 2, 'f', 0, '0').arg(fabs(se), 3 + digits, 'f', digits, '0');
            }
            else if ((*this) == CTimeUnit::hrmin())
            {
                digits -= 2;
                Q_ASSERT(digits >= 0);
                double hr = CMathUtils::trunc(value);
                double mi = CMathUtils::trunc((value - hr) * 100.0);
                const char *fmt = value < 0 ? "-%1h%2m" : "%1h%2m";
                s = i18n ? QCoreApplication::translate("CMeasurementUnit", fmt) : fmt;
                s = s.arg(fabs(hr), 2, 'f', 0, '0').arg(fabs(mi), 3 + digits, 'f', digits, '0');
            }
            else if ((*this) == CTimeUnit::minsec())
            {
                digits -= 2;
                Q_ASSERT(digits >= 0);
                double mi = CMathUtils::trunc(value);
                double se = CMathUtils::trunc((value - mi) * 100.0);
                const char *fmt = value < 0 ? "-%2m%3s" : "%2m%3s";
                s = i18n ? QCoreApplication::translate("CMeasurementUnit", fmt) : fmt;
                s = s.arg(fabs(mi), 2, 'f', 0, '0').arg(fabs(se), 3 + digits, 'f', digits, '0');
            }
            else
            {
                s = this->CMeasurementUnit::makeRoundedQStringWithUnit(value, digits, withGroupSeparator, i18n);
            }
            return s;
        }

    } // namespace
} // namespace