/******************************************************************************
*   Copyright 2013 Sebastian Kügler <sebas@kde.org>                           *
*                                                                             *
*   This library is free software; you can redistribute it and/or             *
*   modify it under the terms of the GNU Library General Public               *
*   License as published by the Free Software Foundation; either              *
*   version 2 of the License, or (at your option) any later version.          *
*                                                                             *
*   This library 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          *
*   Library General Public License for more details.                          *
*                                                                             *
*   You should have received a copy of the GNU Library General Public License *
*   along with this library; see the file COPYING.LIB.  If not, write to      *
*   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,      *
*   Boston, MA 02110-1301, USA.                                               *
*******************************************************************************/

#include "plugintest.h"

#include <kdebug.h>
#include <kservice.h>
#include <kservicetypetrader.h>
#include <kshell.h>
#include <KSycoca>
#include <klocalizedstring.h>

#include <plasma/applet.h>
#include <plasma/packagestructure.h>
#include <plasma/package.h>
#include <plasma/pluginloader.h>
#include <plasma/dataengine.h>
#include <KGlobal>
#include <klocale.h>
#include <kjob.h>

#include <qcommandlineparser.h>
#include <QDir>
#include <QDBusInterface>
#include <QFileInfo>
#include <QMap>
#include <QStandardPaths>
#include <QStringList>
#include <QTimer>

#include <iostream>
#include <iomanip>


namespace Plasma
{
class PluginTestPrivate {
public:
    QString pluginName;
    QCommandLineParser *parser;
};

PluginTest::PluginTest(int& argc, char** argv, QCommandLineParser *parser) :
    QApplication(argc, argv)
{
    d = new PluginTestPrivate;
    d->parser = parser;
    QTimer::singleShot(0, this, SLOT(runMain()));
}

PluginTest::~PluginTest()
{
    delete d;
}

void PluginTest::runMain()
{
    qDebug() << "plugin test runs: ";
    loadDataEngine();
    exit(0);
    return;
}

void PluginTest::loadDataEngine(const QString &name)
{
//     DataEngine *engine = d->isDefaultLoader ? 0 : internalLoadDataEngine(name);
//     if (engine) {
//         return engine;
//     }

    DataEngine *engine = 0;
    // load the engine, add it to the engines
    QString constraint = QString("[X-KDE-PluginInfo-Name] == '%1'").arg(name);
    constraint = QString();
    KService::List offers = KServiceTypeTrader::self()->query("Plasma/DataEngine",
                                                              constraint);
    QString error;

    if (offers.isEmpty()) {
        qDebug() << "offers are empty for " << name << " with constraint " << constraint;
    } else {
        qDebug() << "Found a bunch of stuff";

        QVariantList allArgs;
        allArgs << offers.first()->storageId();
        QString api = offers.first()->property("X-Plasma-API").toString();
        if (api.isEmpty()) {
            if (offers.first()) {
                KPluginLoader plugin(*offers.first());
                if (Plasma::isPluginVersionCompatible(plugin.pluginVersion())) {
                    //KPluginInfo::List infos = KPluginInfo::fromServices(offers.first());
                    //qDebug() << " plugininfo:" << info.name();
                    engine = offers.first()->createInstance<Plasma::DataEngine>(0, allArgs, &error);
                    qDebug() << "DE";
                    engine->connectSource("Europe/Amsterdam", this);
                    qDebug() << "SOURCE: " << engine->sources();
                    //qDebug() << "DataEngine ID: " << engine->pluginInfo().name();
                } else {
                    qDebug() << "Plugin version incompatible" << plugin.pluginVersion();
                }
            }
        } else {
            engine = new DataEngine(KPluginInfo(offers.first()), 0);
            qDebug() << "DataEngine ID (from KPluginINfo): " << engine << engine->pluginInfo().icon() << engine->pluginInfo().name();
        }
        QStringList result;
        foreach (const KService::Ptr &service, offers) {
            const QString _plugin = service->property("X-KDE-PluginInfo-Name", QVariant::String).toString();
            qDebug() << "Found plugin: " << _plugin;
            if (!result.contains(_plugin)) {
                result << _plugin;
                //engine = PluginLoader::self()->loadDataEngine(_plugin);
                //engine = PluginLoader::self()->loadDataEngine(name);
                //qDebug() << "SOURCE: " << engine->sources();

                //engine->setPluginInfo(service->pluginInfo());
                //qDebug() << engine->pluginInfo().name();
            }
        }

    }

    if (!engine) {
        qDebug() << "Couldn't load engine \"" << name << "\". Error given: " << error;
    }

    //return engine;
}

void PluginTest::dataUpdated(QString s, Plasma::DataEngine::Data d)
{
    qDebug() << "new data for source:  " << s << d;





}

} // namespace Plasma

#include "moc_plugintest.cpp"