//  This file is part of Friendiqa
//  https://github.com/lubuwest/Friendiqa
//  Copyright (C) 2020 Marco R. <thomasschmidt45@gmx.net>
//
//  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.
//
//  In addition, as a special exception, the copyright holders give
//  permission to link the code of portions of this program with the
//  OpenSSL library under certain conditions as described in each
//  individual source file, and distribute linked combinations including
//  the two.
//
//  You must obey the GNU General Public License in all respects for all
//  of the code used other than OpenSSL. If you modify file(s) with this
//  exception, you may extend this exception to your version of the
//  file(s), but you are not obligated to do so. If you do not wish to do
//  so, delete this exception statement from your version. If you delete
//  this exception statement from all source files in the program, then
//  also delete it here.
//
//  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 "oauth.h"

#include <QtGui>
#include <QtCore>
#include <QtNetworkAuth>


OAuthWrapper *OAuthWrapper::instance()
{
    static OAuthWrapper oa2;
    return &oa2;
}


OAuthWrapper::OAuthWrapper(QObject *parent) : QObject(parent)
{
    auto replyHandler = new QOAuthHttpServerReplyHandler(1337, this);
    oauth2.setReplyHandler(replyHandler);
    oauth2.setScope("read+write+follow+push");

    connect(&oauth2, &QOAuth2AuthorizationCodeFlow::statusChanged, [=](
            QAbstractOAuth::Status status) {
        if (status == QAbstractOAuth::Status::Granted){
            QMapIterator<QString, QVariant> i(oauth2.extraTokens());
            while (i.hasNext()) {
                i.next();
                //qDebug() << i.key() << ": " << i.value() << Qt::endl;
            }
            emit success(oauth2.token());
        }
    });
    connect(&oauth2, &QOAuth2AuthorizationCodeFlow::authorizeWithBrowser,
            &QDesktopServices::openUrl);
}

void OAuthWrapper::setClientId(QString clientid)
{
    m_clientid = clientid;
}
void OAuthWrapper::setServer(QString server)
{
    m_server = server;
}
void OAuthWrapper::setClientSecret(QString clientsecret)
{
    m_clientsecret = clientsecret;
}

void OAuthWrapper::grant()
{
    oauth2.setClientIdentifier(m_clientid);
    oauth2.setAuthorizationUrl(QUrl(m_server + "/oauth/authorize"));
    oauth2.setAccessTokenUrl(QUrl(m_server + "/oauth/token"));

    oauth2.setClientIdentifierSharedKey(m_clientsecret);
    oauth2.grant();
}