#pragma once

#include <cstdint>
#include <giomm.h>
#include <sigc++/sigc++.h>
#include <set>
#include <vector>
#include "services/dbus/messages.hpp"

class MprisController {
  public:
    struct PlayerState {
        std::string title;
        std::vector<std::string> artist;
        std::string artwork_url;
        int64_t length_ms;
    };
    enum class PlaybackStatus {
        Playing,
        Paused,
        Stopped,
    };

    static std::shared_ptr<MprisController> getInstance();
    static std::shared_ptr<MprisController> createForPlayer(const std::string &bus_name);

    std::vector<std::string> get_registered_players() const;

    void toggle_play();
    void pause();
    void next_song();
    void previous_song();
    void emit_seeked(int64_t position_us);
    void set_position(const std::string &track_id, int64_t position_us);

    sigc::signal<void(const MprisPlayer2Message &)> &signal_mpris_updated();
    sigc::signal<void(PlaybackStatus)> &signal_playback_status_changed();
    sigc::signal<void(int64_t)> &signal_playback_position_changed();
    sigc::signal<void(bool)> &signal_can_seek_changed();
    sigc::signal<void(const std::string &)> &signal_player_registered();
    sigc::signal<void(const std::string &)> &signal_player_deregistered();

  private:
    MprisController();
    explicit MprisController(const std::string &bus_name);
    std::map<std::string, PlaybackStatus> playbackStatusMap = {
        {"Playing", PlaybackStatus::Playing},
        {"Paused", PlaybackStatus::Paused},
        {"Stopped", PlaybackStatus::Stopped},
    };

    PlaybackStatus currentPlaybackStatus = PlaybackStatus::Stopped;

    Glib::RefPtr<Gio::DBus::Connection> m_connection;
    Glib::RefPtr<Gio::DBus::Proxy> m_proxy;
    Glib::RefPtr<Gio::DBus::Proxy> m_dbus_proxy;
    std::string m_player_bus_name = "org.mpris.MediaPlayer2.spotify";
    std::set<std::string> registeredPlayers;
    
    sigc::signal<void(const MprisPlayer2Message &)> mprisUpdatedSignal;
    sigc::signal<void(PlaybackStatus)> playbackStatusChangedSignal;
    sigc::signal<void(int64_t)> playbackPositionChangedSignal;
    sigc::signal<void(bool)> canSeekChangedSignal;
    sigc::signal<void(const std::string &)> playerRegisteredSignal;
    sigc::signal<void(const std::string &)> playerDeregisteredSignal;

    void on_bus_connected(const Glib::RefPtr<Gio::AsyncResult> &result);
    void signalNotification();
    void emit_cached_playback_status();
    void emit_cached_position();
    void emit_cached_can_seek();
    void on_dbus_signal(const Glib::ustring &sender_name,
              const Glib::ustring &signal_name,
              const Glib::VariantContainerBase &parameters);
    void handle_player_registered(const std::string &bus_name);
    void handle_player_deregistered(const std::string &bus_name);

    // Called when the song changes
    void on_properties_changed(const Gio::DBus::Proxy::MapChangedProperties &changed_properties,
                               const std::vector<Glib::ustring> &invalidated_properties);
};