// SPDX-License-Identifier: LGPL-2.1-or-later
/****************************************************************************
 *                                                                          *
 *   Copyright (c) 2024 The FreeCAD Project Association AISBL               *
 *                                                                          *
 *   This file is part of FreeCAD.                                          *
 *                                                                          *
 *   FreeCAD is free software: you can redistribute it and/or modify it     *
 *   under the terms of the GNU Lesser General Public License as            *
 *   published by the Free Software Foundation, either version 2.1 of the   *
 *   License, or (at your option) any later version.                        *
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 *   WITHOUT ANY WARRANTY; without even the implied warranty of             *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU       *
 *   Lesser General Public License for more details.                        *
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 *   <https://www.gnu.org/licenses/>.                                       *
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 ***************************************************************************/

#include <QHBoxLayout>
#include <QLabel>
#include <QString>
#include <QToolButton>

#include "ThemeSelectorWidget.h"
#include <gsl/pointers>
#include <Gui/PreferencePackManager.h>

using namespace StartGui;


ThemeSelectorWidget::ThemeSelectorWidget(QWidget* parent)
    : QWidget(parent)
    , _titleLabel {nullptr}
    , _descriptionLabel {nullptr}
    , _themeButton {nullptr}
{
    setObjectName(QLatin1String("ThemeSelectorWidget"));
    applyKindredCreateTheme();
    setupUi();
    qApp->installEventFilter(this);
}

void ThemeSelectorWidget::applyKindredCreateTheme()
{
    auto prefPackManager = Gui::Application::Instance->prefPackManager();
    prefPackManager->apply("KindredCreate");
}

void ThemeSelectorWidget::setupUi()
{
    auto* outerLayout = gsl::owner<QVBoxLayout*>(new QVBoxLayout(this));
    auto* buttonLayout = gsl::owner<QHBoxLayout*>(new QHBoxLayout);
    _titleLabel = gsl::owner<QLabel*>(new QLabel);
    _descriptionLabel = gsl::owner<QLabel*>(new QLabel);
    outerLayout->addWidget(_titleLabel);
    outerLayout->addLayout(buttonLayout);
    outerLayout->addWidget(_descriptionLabel);

    _themeButton = gsl::owner<QToolButton*>(new QToolButton());
    _themeButton->setCheckable(true);
    _themeButton->setChecked(true);
    _themeButton->setToolButtonStyle(Qt::ToolButtonStyle::ToolButtonTextUnderIcon);
    _themeButton->setIcon(QIcon(QLatin1String(":/thumbnails/Theme_thumbnail_dark.png")));
    _themeButton->setIconSize(_themeButton->icon().actualSize(QSize(256, 256)));
    buttonLayout->addWidget(_themeButton);

    retranslateUi();
}

bool ThemeSelectorWidget::eventFilter(QObject* object, QEvent* event)
{
    if (object == this && event->type() == QEvent::LanguageChange) {
        this->retranslateUi();
    }
    return QWidget::eventFilter(object, event);
}

void ThemeSelectorWidget::retranslateUi()
{
    _titleLabel->setText(QLatin1String("<h2>") + tr("Theme") + QLatin1String("</h2>"));
    _descriptionLabel->setText(
        tr("Kindred Create uses the Catppuccin Mocha theme.")
    );
    _themeButton->setText(tr("Kindred Create", "Visual theme name"));
}