/*!
 *
 * Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
 * \copyright                                                       \n
 *          THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM,  \n
 *          IN PART OR IN WHOLE,                                    \n
 *          WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER. \n
 *
 * \file    main.cpp
 * \date    2019/09/30
 * \author  Behrouz NematiPour
 *
 */

/*!
 * \mainpage UI Software Design Description
 * \section Detailed Description
 * This document has been generated by Doxygen.\n
 * This document describes the detail description of the UI Application Software design.\n
 * UI Application starts by Application Initialization which happens in \ref main.cpp "Initialization section".\n
 */

// Qt
#include <QDebug>
#include <QString>
#include <QApplication>
#include <QTranslator>
#include <QFont>

// Project
#include "maintimer.h"
#include "caninterface.h"
#include "frameinterface.h"
#include "messageacknowmodel.h"
#include "messagedispatcher.h"
#include "applicationcontroller.h"
#include "guicontroller.h"
#include "logger.h"
#include "usbwatcher.h"
#include "threads.h"
#include "filehandler.h"


#include <signal.h>
/*!
 * \brief   signalhandler
 * \details When application terminates it quits gracefully.
 * \param   sig - The Linux signal causes the termination.
 */
void signalhandler(int sig)
{
    if (sig == SIGINT)
    {
        qDebug() << QObject::tr("Application terminated by SIGINT");
        qApp->quit();
    }
    else if (sig == SIGTERM)
    {
        qDebug() << QObject::tr("Application terminated by SIGTERM");
        qApp->quit();
    }
}

int         gFakeInterval;
QByteArray  gFakeData;
bool        gConsoleoutFrameInterface = false;
bool        gConsoleoutCanInterface   = false;

/*!
 * \brief   enableFakeTestData
 * \details reads the test.dat from the application folder and sets the global variables
 *          also regarding the command line arguments passed to the application sets the console out.
 */
void enableFakeTestData() {
    QString mContent;
    QString mTestDat = QApplication::applicationDirPath() + "/test.dat";
    qDebug() << mTestDat;
    if (Storage::FileHandler::read(mTestDat, mContent)) {
        QStringList mLines = mContent.split('\n');
        if (mLines.count() > 1) {
            bool ok = false;
            QString mInterval = mLines[0];
            int interval  = mInterval.toInt(&ok);
            if (ok) {
                gFakeInterval = interval;
            }
            gFakeData = mLines[1].toLatin1();
            gFakeData = QByteArray::fromHex(gFakeData);
            qDebug() << "  ~~ !!!!! APPLICATION RUNNING IN THE TEST MODE !!!!! ~~ " ;
            LOG_EVENT(" \n ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ "
                      " \n ~~ !!!!! APPLICATION RUNNING IN THE TEST MODE !!!!! ~~ "
                      " \n ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ");

        }
    }

    QStringList args = qApp->arguments();
    if (args.length() >= 2) {
        gConsoleoutFrameInterface = args[1] == "1";
    }
    if (args.length() >= 3) {
        gConsoleoutCanInterface   = args[2] == "1";
    }

}

#ifdef UNIT_TEST
    #include TEST_CLASS_INCLUDE
    QTEST_MAIN(TEST_CLASS_NAME)
#else
/*! \brief Application Initialization\n
 * Some part of the application need to be initialized out of any thread.
 * So is initialized here to be initialized in the main thread.
 * this section also includes:
 */
int main(int argc, char *argv[])
{

#ifndef SQUISH_COCO_BULD
    signal(SIGINT , signalhandler);
    signal(SIGTERM, signalhandler);
#endif

    //! - Qt Application initialization and parameters settings
    // Qt Core Application parameters settings
    QApplication::setApplicationName(QLatin1String("Denali"));
    QApplication::setOrganizationName(QLatin1String("Diality Inc."));

    //! - Check the required font(s) present and can be loaded
    QApplication::setFont(QFont("Barlow"));

    // Qt Core Application Initialization
    QApplication app(argc, argv);
    app.thread()->setObjectName("Main Thread");

    //! - Setting the application version regarding the Bamboo build number.
    QString ver_revis = QString("%1").arg(VER_REVIS);
    if (ver_revis.isEmpty()) {
        ver_revis = QString("%1").arg(VER_DEVEL);
    }
    QCoreApplication::setApplicationVersion(QString("%1.%2.%3")
                                            .arg(VER_MAJOR)
                                            .arg(VER_MINOR)
                                            .arg(ver_revis));

    //! - Translation initialization
    QTranslator translator;
    bool trLoaded = translator.load(QLocale(), app.applicationName(), QLatin1String("_"), QLatin1String(":/translations"));
    if (trLoaded) {
        app.installTranslator(&translator);
    }

    //! - Initializing required thread types
    Threads::registerTypes();

    //! - Initializing Logger
    _Logger.init(Threads::_Logger_Thread);

    LOG_EVENT(QObject::tr("Application Started"));

    // Test code for debugging can messages
    enableFakeTestData();

    //! - Initializing USB Watcher
    _USBWatcher.init(Threads::_USBWatcher_Thread);

    //! - Initializing CanBus Interface
    if (_CanInterface.init(Threads::_CanFrame_Thread)) {
        _CanInterface.enableConsoleOut(gConsoleoutCanInterface);
    }

    //! - Initializing CanBus Message Handler
    _FrameInterface.init(Threads::_CanFrame_Thread);

    //! - Initializing the CanBus Message Acknowledgment Model
    _MessageAcknowModel.init(Threads::_CanAcknow_Thread);

    //! - Initializing CanBus Message Dispatcher
    if (_MessageDispatcher.init(Threads::_CanMessage_Thread)) {
        _MessageDispatcher.enableConsoleOut(gConsoleoutFrameInterface);
    }

    //! - Initializing Application Controller
    _ApplicationController.init(Threads::_Application_Thread);

    ////! - Initializing GUI Controller
    _GuiController.init(Threads::_Application_Thread);

    //! - Initializing Main Timer
    _MainTimer.init();

    //! - Initialize the Qml Viewer and starts GUI
    startGui();

    int app_exec = app.exec();

    // Due to Qt Error the CAN Device cannot be disable/enable from withing another thread
    // (other than main thread which is the owner of the CanDevice).
    // So it needs to be done here in main thread.
    _CanInterface.quitDevice();

    Threads::quitThreads();

    return app_exec;
}
#endif