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path: root/meshmc/launcher/modplatform/modpacksch/FTBPackManifest.cpp
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/* 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 2020 Jamie Mansfield <jmansfield@cadixdev.org>
 * Copyright 2020-2021 Petr Mrazek <peterix@gmail.com>
 *
 * 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 "FTBPackManifest.h"

#include "Json.h"

static void loadSpecs(ModpacksCH::Specs& s, QJsonObject& obj)
{
	s.id = Json::requireInteger(obj, "id");
	s.minimum = Json::requireInteger(obj, "minimum");
	s.recommended = Json::requireInteger(obj, "recommended");
}

static void loadTag(ModpacksCH::Tag& t, QJsonObject& obj)
{
	t.id = Json::requireInteger(obj, "id");
	t.name = Json::requireString(obj, "name");
}

static void loadArt(ModpacksCH::Art& a, QJsonObject& obj)
{
	a.id = Json::requireInteger(obj, "id");
	a.url = Json::requireString(obj, "url");
	a.type = Json::requireString(obj, "type");
	a.width = Json::requireInteger(obj, "width");
	a.height = Json::requireInteger(obj, "height");
	a.compressed = Json::requireBoolean(obj, "compressed");
	a.sha1 = Json::requireString(obj, "sha1");
	a.size = Json::requireInteger(obj, "size");
	a.updated = Json::requireInteger(obj, "updated");
}

static void loadAuthor(ModpacksCH::Author& a, QJsonObject& obj)
{
	a.id = Json::requireInteger(obj, "id");
	a.name = Json::requireString(obj, "name");
	a.type = Json::requireString(obj, "type");
	a.website = Json::requireString(obj, "website");
	a.updated = Json::requireInteger(obj, "updated");
}

static void loadVersionInfo(ModpacksCH::VersionInfo& v, QJsonObject& obj)
{
	v.id = Json::requireInteger(obj, "id");
	v.name = Json::requireString(obj, "name");
	v.type = Json::requireString(obj, "type");
	v.updated = Json::requireInteger(obj, "updated");
	auto specs = Json::requireObject(obj, "specs");
	loadSpecs(v.specs, specs);
}

void ModpacksCH::loadModpack(ModpacksCH::Modpack& m, QJsonObject& obj)
{
	m.id = Json::requireInteger(obj, "id");
	m.name = Json::requireString(obj, "name");
	m.synopsis = Json::requireString(obj, "synopsis");
	m.description = Json::requireString(obj, "description");
	m.type = Json::requireString(obj, "type");
	m.featured = Json::requireBoolean(obj, "featured");
	m.installs = Json::requireInteger(obj, "installs");
	m.plays = Json::requireInteger(obj, "plays");
	m.updated = Json::requireInteger(obj, "updated");
	m.refreshed = Json::requireInteger(obj, "refreshed");
	auto artArr = Json::requireArray(obj, "art");
	for (QJsonValueRef artRaw : artArr) {
		auto artObj = Json::requireObject(artRaw);
		ModpacksCH::Art art;
		loadArt(art, artObj);
		m.art.append(art);
	}
	auto authorArr = Json::requireArray(obj, "authors");
	for (QJsonValueRef authorRaw : authorArr) {
		auto authorObj = Json::requireObject(authorRaw);
		ModpacksCH::Author author;
		loadAuthor(author, authorObj);
		m.authors.append(author);
	}
	auto versionArr = Json::requireArray(obj, "versions");
	for (QJsonValueRef versionRaw : versionArr) {
		auto versionObj = Json::requireObject(versionRaw);
		ModpacksCH::VersionInfo version;
		loadVersionInfo(version, versionObj);
		m.versions.append(version);
	}
	auto tagArr = Json::requireArray(obj, "tags");
	for (QJsonValueRef tagRaw : tagArr) {
		auto tagObj = Json::requireObject(tagRaw);
		ModpacksCH::Tag tag;
		loadTag(tag, tagObj);
		m.tags.append(tag);
	}
	m.updated = Json::requireInteger(obj, "updated");
}

static void loadVersionTarget(ModpacksCH::VersionTarget& a, QJsonObject& obj)
{
	a.id = Json::requireInteger(obj, "id");
	a.name = Json::requireString(obj, "name");
	a.type = Json::requireString(obj, "type");
	a.version = Json::requireString(obj, "version");
	a.updated = Json::requireInteger(obj, "updated");
}

static void loadVersionFile(ModpacksCH::VersionFile& a, QJsonObject& obj)
{
	a.id = Json::requireInteger(obj, "id");
	a.type = Json::requireString(obj, "type");
	a.path = Json::requireString(obj, "path");
	a.name = Json::requireString(obj, "name");
	a.version = Json::requireString(obj, "version");
	a.url = Json::ensureString(obj, "url", QString());
	a.sha1 = Json::ensureString(obj, "sha1", QString());
	a.size = Json::requireInteger(obj, "size");
	a.clientOnly = Json::requireBoolean(obj, "clientonly");
	a.serverOnly = Json::requireBoolean(obj, "serveronly");
	a.optional = Json::requireBoolean(obj, "optional");
	a.updated = Json::requireInteger(obj, "updated");
	// Some files reference CurseForge mods with no direct download URL.
	// Construct edge CDN URL from CurseForge file ID if available.
	if (a.url.isEmpty() && obj.contains("curseforge")) {
		auto cf = Json::requireObject(obj, "curseforge");
		int cfFileId = Json::requireInteger(cf, "file");
		// CurseForge edge CDN URL format: files/{first 4 digits}/{remaining
		// digits}/{filename}
		QString fileIdStr = QString::number(cfFileId);
		QString prefix = fileIdStr.mid(0, 4);
		QString suffix = fileIdStr.mid(4);
		a.url = QString("https://edge.forgecdn.net/files/%1/%2/%3")
					.arg(prefix, suffix, a.name);
		qDebug() << "Constructed CurseForge CDN URL for" << a.name << ":"
				 << a.url;
	}
}

void ModpacksCH::loadVersion(ModpacksCH::Version& m, QJsonObject& obj)
{
	m.id = Json::requireInteger(obj, "id");
	m.parent = Json::requireInteger(obj, "parent");
	m.name = Json::requireString(obj, "name");
	m.type = Json::requireString(obj, "type");
	m.installs = Json::requireInteger(obj, "installs");
	m.plays = Json::requireInteger(obj, "plays");
	m.updated = Json::requireInteger(obj, "updated");
	m.refreshed = Json::requireInteger(obj, "refreshed");
	auto specs = Json::requireObject(obj, "specs");
	loadSpecs(m.specs, specs);
	auto targetArr = Json::requireArray(obj, "targets");
	for (QJsonValueRef targetRaw : targetArr) {
		auto versionObj = Json::requireObject(targetRaw);
		ModpacksCH::VersionTarget target;
		loadVersionTarget(target, versionObj);
		m.targets.append(target);
	}
	auto fileArr = Json::requireArray(obj, "files");
	for (QJsonValueRef fileRaw : fileArr) {
		auto fileObj = Json::requireObject(fileRaw);
		ModpacksCH::VersionFile file;
		loadVersionFile(file, fileObj);
		m.files.append(file);
	}
}

// static void loadVersionChangelog(ModpacksCH::VersionChangelog & m,
// QJsonObject & obj)
//{
//     m.content = Json::requireString(obj, "content");
//     m.updated = Json::requireInteger(obj, "updated");
// }