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// SPDX-License-Identifier: GPL-3.0-only
// SPDX-FileCopyrightText: 2026 Project Tick
// SPDX-FileContributor: Project Tick Team
/*
 *  ProjT Launcher - Minecraft Launcher
 *  Copyright (C) 2026 Project Tick
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, version 3.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, write to the Free Software Foundation,
 *  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * === Upstream License Block (Do Not Modify) ==============================
 *
 *
 *
 *  Prism Launcher - Minecraft Launcher
 *  Copyright (C) 2022 Tayou <git@tayou.org>
 *  Copyright (C) 2024 TheKodeToad <TheKodeToad@proton.me>
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, version 3.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, write to the Free Software Foundation,
 *  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 *      Copyright 2013-2021 MultiMC Contributors
 *
 *      Licensed under the Apache License, Version 2.0 (the "License");
 *      you may not use this file except in compliance with the License.
 *      You may obtain a copy of the License at
 *
 *          http://www.apache.org/licenses/LICENSE-2.0
 *
 *      Unless required by applicable law or agreed to in writing, software
 *      distributed under the License is distributed on an "AS IS" BASIS,
 *      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *      See the License for the specific language governing permissions and
 *      limitations under the License.
 *
 * ======================================================================== */
#include "Theme.h"
#include <QDir>
#include <QStyleFactory>
#include "Application.h"
#include "HintOverrideProxyStyle.h"
#include "rainbow.h"

void Theme::apply(bool)
{
	APPLICATION->setStyleSheet(QString());
	QApplication::setStyle(new HintOverrideProxyStyle(QStyleFactory::create(qtTheme())));
	QApplication::setPalette(colorScheme());
	APPLICATION->setStyleSheet(appStyleSheet());
	QDir::setSearchPaths("theme", searchPaths());
}

QPalette Theme::fadeInactive(QPalette in, qreal bias, QColor color)
{
	auto blend = [&in, bias, color](QPalette::ColorRole role)
	{
		QColor from	   = in.color(QPalette::Active, role);
		QColor blended = Rainbow::mix(from, color, bias);
		in.setColor(QPalette::Disabled, role, blended);
	};
	blend(QPalette::Window);
	blend(QPalette::WindowText);
	blend(QPalette::Base);
	blend(QPalette::AlternateBase);
	blend(QPalette::ToolTipBase);
	blend(QPalette::ToolTipText);
	blend(QPalette::Text);
	blend(QPalette::Button);
	blend(QPalette::ButtonText);
	blend(QPalette::BrightText);
	blend(QPalette::Link);
	blend(QPalette::Highlight);
	blend(QPalette::HighlightedText);
	return in;
}

LogColors Theme::defaultLogColors(const QPalette& palette)
{
	LogColors result;

	const QColor& bg = palette.color(QPalette::Base);
	const QColor& fg = palette.color(QPalette::Text);

	auto blend = [bg, fg](QColor color)
	{
		if (Rainbow::luma(fg) > Rainbow::luma(bg))
		{
			// for dark color schemes, produce a fitting color first
			color = Rainbow::tint(fg, color, 0.5);
		}
		// adapt contrast
		return Rainbow::mix(fg, color, 1);
	};

	result.background[MessageLevel::Fatal] = Qt::black;

	result.foreground[MessageLevel::Launcher] = blend(QColor("purple"));
	result.foreground[MessageLevel::Debug]	  = blend(QColor("green"));
	result.foreground[MessageLevel::Warning]  = blend(QColor("orange"));
	result.foreground[MessageLevel::Error]	  = blend(QColor("red"));
	result.foreground[MessageLevel::Fatal]	  = blend(QColor("red"));

	return result;
}