/**
 * Copyright (c) 2017-present, Status Research and Development GmbH.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 */

#include "desktopnotification.h"
#include "bridge.h"
#include "eventdispatcher.h"

#include "libsnore/application.h"
#include "libsnore/snore.h"

#ifdef Q_OS_MAC
#include "libsnore/snore_static_plugins.h"
#endif

#include <QGuiApplication>
#include <QDebug>

#ifdef Q_OS_LINUX
namespace SnorePlugin {}


using namespace SnorePlugin;
Q_IMPORT_PLUGIN(Freedesktop)
Q_IMPORT_PLUGIN(Snore)

static void loadSnoreResources()
{
    // prevent multiple symbols
     static const auto load = []() {
         Q_INIT_RESOURCE(snore);
         Q_INIT_RESOURCE(snore_notification);
     };
     load();
}

Q_COREAPP_STARTUP_FUNCTION(loadSnoreResources)
#endif // Q_OS_LINUX

namespace {
struct RegisterQMLMetaType {
  RegisterQMLMetaType() { qRegisterMetaType<DesktopNotification *>(); }
} registerMetaType;

const QString NewMessageAlert = QStringLiteral("NewMessage");
} // namespace

class DesktopNotificationPrivate {
public:
  Bridge *bridge = nullptr;
  Snore::Application snoreApp;
};

DesktopNotification::DesktopNotification(QObject *parent)
    : QObject(parent), d_ptr(new DesktopNotificationPrivate) {
    connect(qApp, &QGuiApplication::focusWindowChanged, this, [=](QWindow *focusWindow){
       m_appHasFocus = (focusWindow != nullptr);
    });

  d_ptr->snoreApp = Snore::Application(QCoreApplication::applicationName(),
                                       Snore::Icon::defaultIcon());
  d_ptr->snoreApp.addAlert(
      Snore::Alert(NewMessageAlert, Snore::Icon::defaultIcon()));

  if (Snore::SnoreCore::instance().pluginNames().isEmpty()) {
    Snore::SnoreCore::instance().loadPlugins(Snore::SnorePlugin::Backend);
  }

  qDebug() << "DesktopNotification::DesktopNotification List of all loaded Snore plugins: "
           << Snore::SnoreCore::instance().pluginNames();

  Snore::SnoreCore::instance().registerApplication(d_ptr->snoreApp);
  Snore::SnoreCore::instance().setDefaultApplication(d_ptr->snoreApp);

  qDebug() << "DesktopNotification::DesktopNotification Current notification backend: "
           << Snore::SnoreCore::instance().primaryNotificationBackend();
}

DesktopNotification::~DesktopNotification() {
  Snore::SnoreCore::instance().deregisterApplication(d_ptr->snoreApp);
}

void DesktopNotification::setBridge(Bridge *bridge) {
  Q_D(DesktopNotification);
  d->bridge = bridge;
}

QString DesktopNotification::moduleName() { return "DesktopNotification"; }

QList<ModuleMethod *> DesktopNotification::methodsToExport() {
  return QList<ModuleMethod *>{};
}

QVariantMap DesktopNotification::constantsToExport() { return QVariantMap(); }

void DesktopNotification::sendNotification(QString text) {
  Q_D(DesktopNotification);
  qDebug() << "call of DesktopNotification::sendNotification";

  if (m_appHasFocus) {
      qDebug() << "Don't send notification since some application window is active";
      return;
  }

  Snore::Notification notification(
      d_ptr->snoreApp, d_ptr->snoreApp.alerts()[NewMessageAlert], "New message",
      text, Snore::Icon::defaultIcon());
  Snore::SnoreCore::instance().broadcastNotification(notification);
}