/*
 * Squawk messenger. 
 * Copyright (C) 2019  Yury Gubich <blue@macaw.me>
 *
 * 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 <http://www.gnu.org/licenses/>.
 */

#include "shared/global.h"
#include "shared/messageinfo.h"
#include "shared/pathcheck.h"
#include "main/application.h"
#include "core/signalcatcher.h"
#include "core/squawk.h"

#include <QLibraryInfo>
#include <QSettings>
#include <QStandardPaths>
#include <QTranslator>
#include <QtCore/QObject>
#include <QtCore/QThread>
#include <QtWidgets/QApplication>
#include <QDir>

int main(int argc, char *argv[])
{
    qRegisterMetaType<Shared::Message>("Shared::Message");
    qRegisterMetaType<Shared::MessageInfo>("Shared::MessageInfo");
    qRegisterMetaType<Shared::VCard>("Shared::VCard");
    qRegisterMetaType<std::list<Shared::Message>>("std::list<Shared::Message>");
    qRegisterMetaType<std::list<Shared::MessageInfo>>("std::list<Shared::MessageInfo>");
    qRegisterMetaType<QSet<QString>>("QSet<QString>");
    qRegisterMetaType<Shared::ConnectionState>("Shared::ConnectionState");
    qRegisterMetaType<Shared::Availability>("Shared::Availability");
    
    QApplication app(argc, argv);
    SignalCatcher sc(&app);

    QApplication::setApplicationName("squawk");
    QApplication::setOrganizationName("macaw.me");
    QApplication::setApplicationDisplayName("Squawk");
    QApplication::setApplicationVersion("0.2.2");
    app.setDesktopFileName("squawk");

    QTranslator qtTranslator;
    qtTranslator.load("qt_" + QLocale::system().name(), QLibraryInfo::location(QLibraryInfo::TranslationsPath));
    app.installTranslator(&qtTranslator);

    QTranslator myappTranslator;
    QStringList shares = QStandardPaths::standardLocations(QStandardPaths::AppDataLocation);
    bool found = false;
    for (QString share : shares) {
        found = myappTranslator.load(QLocale(), QLatin1String("squawk"), ".", share + "/l10n");
        if (found) {
            break;
        }
    }
    if (!found) {
        myappTranslator.load(QLocale(), QLatin1String("squawk"), ".", QCoreApplication::applicationDirPath());
    }
    
    app.installTranslator(&myappTranslator);
    
    QIcon icon;
    icon.addFile(":images/logo.svg", QSize(16, 16));
    icon.addFile(":images/logo.svg", QSize(24, 24));
    icon.addFile(":images/logo.svg", QSize(32, 32));
    icon.addFile(":images/logo.svg", QSize(48, 48));
    icon.addFile(":images/logo.svg", QSize(64, 64));
    icon.addFile(":images/logo.svg", QSize(96, 96));
    icon.addFile(":images/logo.svg", QSize(128, 128));
    icon.addFile(":images/logo.svg", QSize(256, 256));
    icon.addFile(":images/logo.svg", QSize(512, 512));
    QApplication::setWindowIcon(icon);
    
    new Shared::Global();        //translates enums

    QSettings settings;
    QVariant vs = settings.value("style");
    if (vs.isValid()) {
        QString style = vs.toString().toLower();
        if (style != "system") {
            Shared::Global::setStyle(style);
        }
    }
    if (Shared::Global::supported("colorSchemeTools")) {
        QVariant vt = settings.value("theme");
        if (vt.isValid()) {
            QString theme = vt.toString();
            if (theme.toLower() != "system") {
                Shared::Global::setTheme(theme);
            }
        }
    }
    QString path = Shared::downloadsPathCheck();
    if (path.size() > 0) {
        settings.setValue("downloadsPath", path);
    } else {
        qDebug() << "couldn't initialize directory for downloads, quitting";
        return -1;
    }
    
    Core::Squawk* squawk = new Core::Squawk();
    QThread* coreThread = new QThread();
    squawk->moveToThread(coreThread);
    
    Application application(squawk);

    QObject::connect(&sc, &SignalCatcher::interrupt, &application, &Application::quit);

    QObject::connect(coreThread, &QThread::started, squawk, &Core::Squawk::start);
    QObject::connect(&application, &Application::quitting, squawk, &Core::Squawk::stop);
    //QObject::connect(&app, &QApplication::aboutToQuit, &w, &QMainWindow::close);
    QObject::connect(squawk, &Core::Squawk::quit, squawk, &Core::Squawk::deleteLater);
    QObject::connect(squawk, &Core::Squawk::destroyed, coreThread, &QThread::quit, Qt::QueuedConnection);
    QObject::connect(coreThread, &QThread::finished, &app, &QApplication::quit, Qt::QueuedConnection);
    
    coreThread->start();
    int result = app.exec();

    if (coreThread->isRunning()) {
        //coreThread->wait();
        //todo if I uncomment that, the app will not quit if it has reconnected at least once
        //it feels like a symptom of something badly desinged in the core thread
        //need to investigate;
    }
    
    return result;
}