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#include <QGuiApplication>
#include <QQmlEngine>
#include <QQmlContext>
#include <QQmlComponent>

// networking
#include <QNetworkAccessManager>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QUrl>
#include <QUrlQuery>

// json parsing
#include <QJsonValue>
#include <QJsonDocument>
#include <QJsonObject>
#include <QVariantMap>
#include <QJsonArray>

// console output
#include <QDebug>
#include <qlogging.h>
// #include <iostream>

#include "QJsonModel.hpp"
#include <QTreeView>
#include <QApplication>

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

    QQmlEngine engine;
    QQmlContext *objectContext = new QQmlContext(engine.rootContext());


    QStringList dataList = {
      "Item 1",
      "Item 2",
      "Item 3",
      "Item 4"
    };

    //objectContext->setContextProperty("sports", QVariant::fromValue(dataList));

    //QQmlComponent component(&engine, "application.qml");
    //QObject *object = component.create(objectContext);
    // QObject *eventsList = object->findChild<QObject*>("eventsList");
    // QQmlContext *componentContext = component.creationContext();
    // ... delete object and objectContext when necessary



   // create custom temporary event loop on stack
    QEventLoop eventLoop;

    // "quit()" the event-loop, when the network request "finished()"
    QNetworkAccessManager mgr;
    QObject::connect(&mgr, SIGNAL(finished(QNetworkReply*)), &eventLoop, SLOT(quit()));

    QString endpoint { "https://sph-s-api.olympics.com/summer/schedules/api/ENG/schedule/discipline/ARC" };

    // the HTTP request
    QNetworkRequest req( (QUrl( endpoint )) );
    QNetworkReply *reply = mgr.get(req);
    eventLoop.exec(); // blocks stack until "finished()" has been called

    if (reply->error() == QNetworkReply::NoError) {
        //success

        QString strReply = (QString)reply->readAll();


        //parse json
        // qDebug() << "Response:" << strReply;
        QJsonDocument jsonResponse = QJsonDocument::fromJson(strReply.toUtf8());
        QJsonObject jsonObj = jsonResponse.object();

        QJsonModel * model = new QJsonModel();
        // qDebug() << QJsonDocument(jsonObj["units"].toArray()).toJson();
        // model->loadJson(QJsonDocument(jsonObj["units"].toArray()).toJson());
        model->loadJson(strReply.toUtf8());

        objectContext->setContextProperty("sports", QVariant::fromValue(model));
        // componentContext->setContextProperty("sports", model);

        // objectContext->setContextProperty("sports", QVariant::fromValue(dataList));

        QQmlComponent component(&engine, "application.qml");
        QObject *object = component.create(objectContext);


        QTreeView * view = new QTreeView;
        view->setModel(model);
        view->show();
        
        qDebug() << "Competitor:" << jsonObj["units"][0]["competitors"][0]["name"].toString();

        delete reply;
    }
    else {
        //failure
        qDebug() << "Failure" <<reply->errorString();
        delete reply;
    }

    return app.exec();
}