#include "networkmanager.h"
#include "QStandardPaths"
#include <QFile>
#include <QGuiApplication>
#include <QJsonDocument>
#include <QNetworkAccessManager>
#include <QNetworkReply>

NetworkManager *NetworkManager::m_instance;

NetworkManager::NetworkManager(QObject *parent) : QObject{parent} {}

NetworkManager *NetworkManager::Instance() {
  if (m_instance != nullptr) {
    return m_instance;
  }
  m_instance = new NetworkManager();
  return m_instance;
}

void NetworkManager::fetchJSONfromAPI(QUrl url, QJsonDocument &doc)
{
    qDebug() << "Fetch URL::" << url.toDisplayString();
    QNetworkAccessManager m_manager;
    QNetworkRequest request(url);
    QNetworkReply *reply = m_manager.get(request);
    QEventLoop loop;
    connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
    loop.exec();
    if (reply->error() == QNetworkReply::NoError)
    {
        QByteArray response = reply->readAll();
        doc = QJsonDocument::fromJson(response);
    }
    else
    {
        qDebug() << "Invalid JSON response:: " << reply->errorString();
    }

    reply->deleteLater();
}