#pragma once

#include <fcntl.h>
#include <giomm.h>
#include <gtkmm.h>
#include <sigc++/sigc++.h>
#include <sys/stat.h>

#include "connection/dbus/dbus.hpp"

#include "giomm/dbusconnection.h"
#include "giomm/dbusownname.h"
#include "glib.h"

const Glib::ustring introspection_xml = R"(
<node>
  <interface name="org.freedesktop.Notifications">
    <method name="GetCapabilities">
      <arg name="capabilities" type="as" direction="out"/>
    </method>
    <method name="Notify">
      <arg name="app_name" type="s" direction="in"/>
      <arg name="replaces_id" type="u" direction="in"/>
      <arg name="app_icon" type="s" direction="in"/>
      <arg name="summary" type="s" direction="in"/>
      <arg name="body" type="s" direction="in"/>
      <arg name="actions" type="as" direction="in"/>
      <arg name="hints" type="a{sv}" direction="in"/>
      <arg name="expire_timeout" type="i" direction="in"/>
      <arg name="id" type="u" direction="out"/>
    </method>
    <method name="CloseNotification">
      <arg name="id" type="u" direction="in"/>
    </method>
    <method name="GetServerInformation">
      <arg name="name" type="s" direction="out"/>
      <arg name="vendor" type="s" direction="out"/>
      <arg name="version" type="s" direction="out"/>
      <arg name="spec_version" type="s" direction="out"/>
    </method>
  </interface>
</node>
)";

class NotificationService : public DbusConnection {
  public:
    static std::shared_ptr<NotificationService> getInstance() {
        if (NotificationService::instance == nullptr) {
            NotificationService::instance = std::shared_ptr<NotificationService>(new NotificationService());
        }
        return NotificationService::instance;
    }

    void onBusAcquired(const Glib::RefPtr<Gio::DBus::Connection> &connection, const Glib::ustring &name);

  private:
    NotificationService() {
        Gio::DBus::own_name(
            Gio::DBus::BusType::SESSION,
            "org.freedesktop.Notifications",
            sigc::mem_fun(*this, &NotificationService::onBusAcquired),
            {}, // Name acquired slot (optional)
            {}, // Name lost slot (optional)
            Gio::DBus::BusNameOwnerFlags::REPLACE);
    }

    static inline std::shared_ptr<NotificationService> instance = nullptr;

    guint notificationIdCounter = 0;
    const Gio::DBus::InterfaceVTable &getMessageInterfaceVTable();
    void on_method_call(const Glib::RefPtr<Gio::DBus::Connection> &connection,
                        const Glib::ustring &sender,
                        const Glib::ustring &object_path,
                        const Glib::ustring &interface_name,
                        const Glib::ustring &method_name,
                        const Glib::VariantContainerBase &parameters,
                        const Glib::RefPtr<Gio::DBus::MethodInvocation> &invocation);

    void handle_notify(const Glib::VariantContainerBase &parameters,
                       const Glib::RefPtr<Gio::DBus::MethodInvocation> &invocation);
    void createNotificationPopup(const Glib::ustring &title, const Glib::ustring &message);
};