/* This code is drawn from qt6ct, and loads qt6ct color palette files.
 * qt6ct is licensed under BSD-2-Clause below.
 *
 * Copyright (c) 2020-2024, Ilya Kotov <forkotov02@ya.ru>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <QPalette>
#include <QSettings>

namespace scwx
{
namespace qt
{
namespace util
{
namespace qt6ct
{

QPalette loadColorScheme(const QString &filePath, const QPalette &fallback)
{
    QPalette customPalette;
    QSettings settings(filePath, QSettings::IniFormat);
    settings.beginGroup("ColorScheme");
    QStringList activeColors = settings.value("active_colors").toStringList();
    QStringList inactiveColors = settings.value("inactive_colors").toStringList();
    QStringList disabledColors = settings.value("disabled_colors").toStringList();
    settings.endGroup();


#if (QT_VERSION >= QT_VERSION_CHECK(6,6,0))
    if(activeColors.count() == QPalette::Accent)
        activeColors << activeColors.at(QPalette::Highlight);
    if(inactiveColors.count() == QPalette::Accent)
        inactiveColors << inactiveColors.at(QPalette::Highlight);
    if(disabledColors.count() == QPalette::Accent)
        disabledColors << disabledColors.at(QPalette::Highlight);
#endif


    if(activeColors.count() >= QPalette::NColorRoles &&
            inactiveColors.count() >= QPalette::NColorRoles &&
            disabledColors.count() >= QPalette::NColorRoles)
    {
        for (int i = 0; i < QPalette::NColorRoles; i++)
        {
            QPalette::ColorRole role = QPalette::ColorRole(i);
            customPalette.setColor(QPalette::Active, role, QColor(activeColors.at(i)));
            customPalette.setColor(QPalette::Inactive, role, QColor(inactiveColors.at(i)));
            customPalette.setColor(QPalette::Disabled, role, QColor(disabledColors.at(i)));
        }
    }
    else
    {
        customPalette = fallback; //load fallback palette
    }

    return customPalette;
}

} // namespace qt6ct
} // namespace util
} // namespace qt
} // namespace scwx