/* 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 "AccountTask.h"
#include "MinecraftAccount.h"

#include <QObject>
#include <QString>
#include <QJsonObject>
#include <QJsonDocument>
#include <QNetworkReply>
#include <QByteArray>

#include <QDebug>

AccountTask::AccountTask(AccountData* data, QObject* parent)
	: Task(parent), m_data(data)
{
	changeState(AccountTaskState::STATE_CREATED);
}

QString AccountTask::getStateMessage() const
{
	switch (m_taskState) {
		case AccountTaskState::STATE_CREATED:
			return "Waiting...";
		case AccountTaskState::STATE_WORKING:
			return tr("Sending request to auth servers...");
		case AccountTaskState::STATE_SUCCEEDED:
			return tr("Authentication task succeeded.");
		case AccountTaskState::STATE_OFFLINE:
			return tr("Failed to contact the authentication server.");
		case AccountTaskState::STATE_FAILED_SOFT:
			return tr("Encountered an error during authentication.");
		case AccountTaskState::STATE_FAILED_HARD:
			return tr("Failed to authenticate. The session has expired.");
		case AccountTaskState::STATE_FAILED_GONE:
			return tr("Failed to authenticate. The account no longer exists.");
		default:
			return tr("...");
	}
}

bool AccountTask::changeState(AccountTaskState newState, QString reason)
{
	m_taskState = newState;
	setStatus(getStateMessage());
	switch (newState) {
		case AccountTaskState::STATE_CREATED: {
			m_data->errorString.clear();
			return true;
		}
		case AccountTaskState::STATE_WORKING: {
			m_data->accountState = AccountState::Working;
			return true;
		}
		case AccountTaskState::STATE_SUCCEEDED: {
			m_data->accountState = AccountState::Online;
			emitSucceeded();
			return false;
		}
		case AccountTaskState::STATE_OFFLINE: {
			m_data->errorString = reason;
			m_data->accountState = AccountState::Offline;
			emitFailed(reason);
			return false;
		}
		case AccountTaskState::STATE_FAILED_SOFT: {
			m_data->errorString = reason;
			m_data->accountState = AccountState::Errored;
			emitFailed(reason);
			return false;
		}
		case AccountTaskState::STATE_FAILED_HARD: {
			m_data->errorString = reason;
			m_data->accountState = AccountState::Expired;
			emitFailed(reason);
			return false;
		}
		case AccountTaskState::STATE_FAILED_GONE: {
			m_data->errorString = reason;
			m_data->accountState = AccountState::Gone;
			emitFailed(reason);
			return false;
		}
		default: {
			QString error =
				tr("Unknown account task state: %1").arg(int(newState));
			m_data->accountState = AccountState::Errored;
			emitFailed(error);
			return false;
		}
	}
}