#pragma once

#include <gio/gio.h>
#include <gtk/gtk.h>
#include <string>
#include <vector>

#include "sigc++/signal.h"

class BluetoothService {
  inline static BluetoothService *instance = nullptr;
  
  public:
    sigc::signal<void(bool)> powerStateChangedSignal;
    sigc::signal<void(bool)> isDiscoveringChangedSignal;

    bool getPowerState();
    bool getIsDiscovering();

    void togglePowerState();
    void toggleIsDiscovering();

    static BluetoothService *getInstance() {
        if (BluetoothService::instance == nullptr) {

            BluetoothService::instance = new BluetoothService();
        }
        return BluetoothService::instance;
    }

  private:
    BluetoothService();

    GDBusProxy *adapter_proxy = nullptr;

    std::vector<std::string> getDeviceObjectPaths();
    bool powerState    = false;
    bool isDiscovering = false;

    void onPropertyChanged(GDBusProxy *proxy,
                           GVariant *changed_properties,
                           const gchar *const *invalidated_properties,
                           gpointer user_data);

    static void onPropertyChangedStatic(GDBusProxy *proxy,
                                        GVariant *changed_properties,
                                        const gchar *const *invalidated_properties,
                                        gpointer user_data);
};