#include "mappingfetcher.h"
#include "path.h"

#include <QNetworkReply>

MappingFetcher::MappingFetcher(QObject *parent) :
    QObject(parent),
    m_Nam(this)
{
    // Never communicate over HTTP
    m_Nam.setStrictTransportSecurityEnabled(true);

    // Allow HTTP redirects
    m_Nam.setRedirectPolicy(QNetworkRequest::NoLessSafeRedirectPolicy);

    connect(&m_Nam, SIGNAL(finished(QNetworkReply*)),
            this, SLOT(handleMappingListFetched(QNetworkReply*)));
}

void MappingFetcher::start()
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0) && QT_VERSION < QT_VERSION_CHECK(5, 15, 1) && !defined(QT_NO_BEARERMANAGEMENT)
    // HACK: Set network accessibility to work around QTBUG-80947 (introduced in Qt 5.14.0 and fixed in Qt 5.15.1)
    QT_WARNING_PUSH
    QT_WARNING_DISABLE_DEPRECATED
    m_Nam.setNetworkAccessible(QNetworkAccessManager::Accessible);
    QT_WARNING_POP
#endif

    // We'll get a callback when this is finished
    QUrl url("https://moonlight-stream.org/SDL_GameControllerDB/gamecontrollerdb.txt");
    m_Nam.get(QNetworkRequest(url));
}

void MappingFetcher::handleMappingListFetched(QNetworkReply* reply)
{
    Q_ASSERT(reply->isFinished());

    if (reply->error() == QNetworkReply::NoError) {
        // Queue the reply for deletion
        reply->deleteLater();

        // Update the cached data on disk for next call to applyMappings()
        Path::writeDataFile("gamecontrollerdb.txt", reply->readAll());

        qInfo() << "Downloaded updated gamepad mappings";
    }
    else {
        qWarning() << "Failed to download updated gamepad mappings:" << reply->error();
        reply->deleteLater();
    }
}