//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      App/main.cpp
//! @brief     Main function of the whole GUI
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
//  ************************************************************************************************

#include "App/AppOptions.h"
#include "App/MessageHandler.h"
#include "Base/Util/Assert.h"
#include "GUI/Application/ApplicationSettings.h"
#include "GUI/Support/Util/Path.h"
#include "GUI/View/Loaders/DataLoaderUtil.h"
#include "GUI/View/Main/MainWindow.h"
#include "GUI/View/Tool/Globals.h"
#include "config_build.h"
#include <QDir>
#include <QIcon>
#include <QLocale>
#include <QMessageBox>
#include <QMetaType>
#include <QtGlobal>

auto guiFailedAssertion = [](std::string msg) {
#ifdef BA_DEBUG
    std::cerr << "FATAL (catched in debug mode): " << msg << std::endl;
    std::raise(11); // abort so that we can inspect the backtrace
#else
    qFatal("%s", msg.c_str());
#endif
};

int main(int argc, char* argv[])
{
    ApplicationOptions options(argc, argv);

    QLocale::setDefault(QLocale(QLocale::English, QLocale::UnitedStates));
    qRegisterMetaType<QVector<double>>("QVector<double>");

    QApplication app(argc, argv);
    QApplication::setApplicationName("BornAgain");
    QApplication::setApplicationVersion(GUI::Util::Path::getBornAgainVersionString());
    QApplication::setOrganizationName("BornAgain");
#ifndef Q_OS_MAC
    QApplication::setWindowIcon(QIcon(":/images/BornAgain.ico"));
#endif

    ApplicationSettings applicationSettings;

    qInstallMessageHandler(messageHandler);
    failedAssertion = guiFailedAssertion;

    register1DDataLoaders();

    auto style = applicationSettings.styleToUse();
    applicationSettings.loadStyle(style);

    QString dir = GUI::Util::Path::appDataFolder();
    if (!QDir().exists(dir))
        QDir().mkpath(dir);

    MainWindow win;
    GUI::Global::mainWindow = &win;
    if (options.find("geometry"))
        win.resize(options.mainWindowSize());
    if (options.find("project-file"))
        win.loadProject(options.projectFile());
    win.show();

    return QApplication::exec();
}