/* 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/>.
 */

#include "FileResolvingTask.h"
#include "Json.h"

Flame::FileResolvingTask::FileResolvingTask(
	shared_qobject_ptr<QNetworkAccessManager> network,
	Flame::Manifest& toProcess)
	: m_network(network), m_toProcess(toProcess)
{
}

void Flame::FileResolvingTask::executeTask()
{
	setStatus(tr("Resolving mod IDs..."));
	setProgress(0, m_toProcess.files.size());
	m_dljob = new NetJob("Mod id resolver", m_network);
	results.resize(m_toProcess.files.size());
	int index = 0;
	for (auto& file : m_toProcess.files) {
		auto projectIdStr = QString::number(file.projectId);
		auto fileIdStr = QString::number(file.fileId);
		QString metaurl =
			QString("https://api.curseforge.com/v1/mods/%1/files/%2")
				.arg(projectIdStr, fileIdStr);
		auto dl = Net::Download::makeByteArray(QUrl(metaurl), &results[index]);
		m_dljob->addNetAction(dl);
		index++;
	}
	connect(m_dljob.get(), &NetJob::finished, this,
			&Flame::FileResolvingTask::netJobFinished);
	m_dljob->start();
}

void Flame::FileResolvingTask::netJobFinished()
{
	int index = 0;
	int unresolved = 0;
	for (auto& bytes : results) {
		auto& out = m_toProcess.files[index];
		try {
			if (!out.parseFromBytes(bytes)) {
				unresolved++;
				qWarning() << "Resolving of" << out.projectId << out.fileId
						   << "failed: mod may have restricted downloads";
			}
		} catch (const JSONValidationError& e) {
			unresolved++;
			qCritical() << "Resolving of" << out.projectId << out.fileId
						<< "failed because of a parsing error:";
			qCritical() << e.cause();
			qCritical() << "JSON:";
			qCritical() << bytes;
		}
		index++;
	}
	if (unresolved > 0) {
		qWarning() << unresolved
				   << "mod(s) could not be resolved (restricted downloads). "
					  "They will be skipped.";
	}
	emitSucceeded();
}