// SPDX-License-Identifier: GPL-3.0-or-later

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright (C) 2013 - 2024, nymea GmbH
* Copyright (C) 2024 - 2025, chargebyte austria GmbH
*
* This file is part of nymea-networkmanager.
*
* nymea-networkmanager 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.
*
* nymea-networkmanager 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 nymea-networkmanager. If not, see <https://www.gnu.org/licenses/>.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#include "application.h"
#include "core.h"

#include <signal.h>

static bool s_aboutToShutdown = false;

static void catchUnixSignals(const std::vector<int>& quitSignals, const std::vector<int>& ignoreSignals = std::vector<int>())
{
    auto handler = [](int sig) ->void {
        switch (sig) {
        case SIGQUIT:
            qCDebug(dcApplication()) << "Cought SIGQUIT quit signal...";
            break;
        case SIGINT:
            qCDebug(dcApplication()) << "Cought SIGINT quit signal...";
            break;
        case SIGTERM:
            qCDebug(dcApplication()) << "Cought SIGTERM quit signal...";
            break;
        case SIGHUP:
            qCDebug(dcApplication()) << "Cought SIGHUP quit signal...";
            break;
        default:
            qCDebug(dcApplication()) << "Cought unhandled signal" << sig;
            break;
        }

        if (s_aboutToShutdown) {
            qCCritical(dcApplication()) << "Already shutting down.";
            return;
        }

        qCDebug(dcApplication()) << "=====================================";
        qCDebug(dcApplication()) << "Shutting down nymea-networkmanager";
        qCDebug(dcApplication()) << "=====================================";
        s_aboutToShutdown = true;

        Application::quit();
    };

    // all these signals will be ignored.
    for (int sig : ignoreSignals)
        signal(sig, SIG_IGN);

    for (int sig : quitSignals)
        signal(sig, handler);

}

Application::Application(int &argc, char **argv) :
    QCoreApplication(argc, argv)
{
    catchUnixSignals({SIGQUIT, SIGINT, SIGTERM, SIGHUP});
}