//
// Copyright (C) 2017 James Turner  zakalawe@mac.com
//
// 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 2 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, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

#include <QApplication>
#include <QQmlEngine>
#include <QQuickView>
#include <QQmlContext>
#include <QCommandLineParser>
#include <QScreen>

#include "canvasitem.h"
#include "applicationcontroller.h"
#include "canvasdisplay.h"
#include "canvasconnection.h"
#include "canvaspainteddisplay.h"

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    a.setApplicationName("FGCanvas");
    a.setOrganizationDomain("flightgear.org");
    a.setOrganizationName("FlightGear");

    QCommandLineParser parser;
    parser.addPositionalArgument("config", QCoreApplication::translate("main", "JSON configuration to load"));
    QCommandLineOption framelessOption(QStringList() << "frameless",
                                   QCoreApplication::translate("main", "Use a frameless window"));
    QCommandLineOption screenOption(QStringList() << "screen",
                                   QCoreApplication::translate("main", "Run full-screen on <scren>"), "screen");
    parser.addOption(framelessOption);
    parser.addOption(screenOption);
    parser.process(a);

    ApplicationController appController;

    qmlRegisterType<CanvasItem>("FlightGear", 1, 0, "CanvasItem");
    qmlRegisterType<CanvasDisplay>("FlightGear", 1, 0, "CanvasDisplay");
    qmlRegisterType<CanvasPaintedDisplay>("FlightGear", 1, 0, "PaintedCanvasDisplay");

    qmlRegisterUncreatableType<CanvasConnection>("FlightGear", 1, 0, "CanvasConnection", "Don't create me");
    qmlRegisterUncreatableType<ApplicationController>("FlightGear", 1, 0, "Application", "Can't create");

    QQuickView quickView;
    appController.setWindow(&quickView);
    if (parser.isSet(framelessOption)) {
        quickView.setFlag(Qt::FramelessWindowHint, true);
    }

    bool restoreWindowState = true;
    if (parser.isSet(screenOption)) {
        QString screenName = parser.value(screenOption);
        QStringList allScreenNames;

        QScreen* found = nullptr;
        Q_FOREACH(QScreen* s, a.screens()) {
            allScreenNames << s->name();
            if (s->name() == screenName) {
                found = s;
                break;
            }
        }

        if (!found) {
            qFatal("Unable to find screen: %s: screens are: %s", screenName.toLatin1().data(),
                   allScreenNames.join(",").toLatin1().data());
        }

        quickView.setScreen(found);
        quickView.setGeometry(found->geometry());
        quickView.setFlag(Qt::FramelessWindowHint, true);
        restoreWindowState = false;

        qInfo() << "Requested to run on screen:" << screenName << "with geometry" << found->geometry();
    } else {
        // windows mode, default geeometry
        quickView.setWidth(1024);
        quickView.setHeight(768);
    }

    quickView.rootContext()->setContextProperty("_application", &appController);

    const QStringList args = parser.positionalArguments();

    if (!args.empty()) {
        appController.setDaemonMode();
        appController.loadFromFile(args.front());
    }

    quickView.setResizeMode(QQuickView::SizeRootObjectToView);
    quickView.setSource(QUrl("qrc:///qml/mainMenu.qml"));
    quickView.show();

    if (restoreWindowState) {
        appController.restoreWindowState();
    }

    int result = a.exec();

    return result;
}