/* SPDX-FileCopyrightText: 2026 Project Tick
 * SPDX-FileContributor: Project Tick
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 *   MeshMC - A Custom Launcher for Minecraft
 *   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, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   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, see <https://www.gnu.org/licenses/>.
 *
 *  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 "settings/SettingsObject.h"
#include "settings/Setting.h"
#include "settings/OverrideSetting.h"
#include "PassthroughSetting.h"
#include <QDebug>

#include <QVariant>

SettingsObject::SettingsObject(QObject* parent) : QObject(parent) {}

SettingsObject::~SettingsObject()
{
	m_settings.clear();
}

std::shared_ptr<Setting>
SettingsObject::registerOverride(std::shared_ptr<Setting> original,
								 std::shared_ptr<Setting> gate)
{
	if (contains(original->id())) {
		qCritical() << QString(
						   "Failed to register setting %1. ID already exists.")
						   .arg(original->id());
		return nullptr; // Fail
	}
	auto override = std::make_shared<OverrideSetting>(original, gate);
	override->m_storage = this;
	connectSignals(*override);
	m_settings.insert(override->id(), override);
	return override;
}

std::shared_ptr<Setting>
SettingsObject::registerPassthrough(std::shared_ptr<Setting> original,
									std::shared_ptr<Setting> gate)
{
	if (contains(original->id())) {
		qCritical() << QString(
						   "Failed to register setting %1. ID already exists.")
						   .arg(original->id());
		return nullptr; // Fail
	}
	auto passthrough = std::make_shared<PassthroughSetting>(original, gate);
	passthrough->m_storage = this;
	connectSignals(*passthrough);
	m_settings.insert(passthrough->id(), passthrough);
	return passthrough;
}

std::shared_ptr<Setting> SettingsObject::registerSetting(QStringList synonyms,
														 QVariant defVal)
{
	if (synonyms.empty())
		return nullptr;
	if (contains(synonyms.first())) {
		qCritical() << QString(
						   "Failed to register setting %1. ID already exists.")
						   .arg(synonyms.first());
		return nullptr; // Fail
	}
	auto setting = std::make_shared<Setting>(synonyms, defVal);
	setting->m_storage = this;
	connectSignals(*setting);
	m_settings.insert(setting->id(), setting);
	return setting;
}

std::shared_ptr<Setting> SettingsObject::getSetting(const QString& id) const
{
	// Make sure there is a setting with the given ID.
	if (!m_settings.contains(id))
		return NULL;

	return m_settings[id];
}

QVariant SettingsObject::get(const QString& id) const
{
	auto setting = getSetting(id);
	return (setting ? setting->get() : QVariant());
}

bool SettingsObject::set(const QString& id, QVariant value)
{
	auto setting = getSetting(id);
	if (!setting) {
		qCritical() << QString(
						   "Error changing setting %1. Setting doesn't exist.")
						   .arg(id);
		return false;
	} else {
		setting->set(value);
		return true;
	}
}

void SettingsObject::reset(const QString& id) const
{
	auto setting = getSetting(id);
	if (setting)
		setting->reset();
}

bool SettingsObject::contains(const QString& id)
{
	return m_settings.contains(id);
}

bool SettingsObject::reload()
{
	for (auto setting : m_settings.values()) {
		setting->set(setting->get());
	}
	return true;
}

void SettingsObject::connectSignals(const Setting& setting)
{
	connect(&setting, SIGNAL(SettingChanged(const Setting&, QVariant)),
			SLOT(changeSetting(const Setting&, QVariant)));
	connect(&setting, SIGNAL(SettingChanged(const Setting&, QVariant)),
			SIGNAL(SettingChanged(const Setting&, QVariant)));

	connect(&setting, SIGNAL(settingReset(Setting)),
			SLOT(resetSetting(const Setting&)));
	connect(&setting, SIGNAL(settingReset(Setting)),
			SIGNAL(settingReset(const Setting&)));
}