{
  config,
  pkgs,
  lib,
  ...
}: let
  cfg = config.soispha.services.mpd;
in {
  imports = [
    ./mpc.nix
  ];

  options.soispha.services.mpd = {
    enable = lib.mkEnableOption "mpd";

    directories = {
      runtime = lib.mkOption {
        type = lib.types.path;
        description = "The directory to put the sockets and such things.";
      };
      playlists = lib.mkOption {
        type = lib.types.path;
        description = "The directory to put the playlists.";
        default = "${cfg.directories.data}/playlists";
      };
      data = lib.mkOption {
        type = lib.types.path;
        description = "The directory to put general data.";
      };
      music = lib.mkOption {
        type = lib.types.path;
        description = ''
          The directory to search for music files.

          # Info
          This should be the same value as [`config.home-manager.users.soispha.beets.settings.directory`], if you use beets.
        '';
      };
    };
  };

  config.home-manager.users.soispha = let
    socketPath = "${cfg.directories.runtime}/socket";
  in
    lib.mkIf cfg.enable {
      home.sessionVariables = {
        MPD_HOST = socketPath;
      };

      systemd.user.services.mpd.Service.ExecStartPre = lib.mkForce ''
        ${pkgs.coreutils}/bin/mkdir --parents "${cfg.directories.data}" "${cfg.directories.playlists}" "${cfg.directories.runtime}"
      '';

      services.mpd = {
        enable = true;
        network = {
          listenAddress = socketPath;
        };
        dataDir = cfg.directories.data;
        playlistDirectory = cfg.directories.playlists;
        musicDirectory = cfg.directories.music;

        extraConfig = ''
          metadata_to_use "artist,album,title,track,name,genre,date,composer,performer,disc,comment"
          # Updated by the beets `mpdupdate` plugin
          auto_update "no"

          audio_output {
            type "pipewire"
            name "pipewire"
          }

          replaygain "track"
          replaygain_limit "yes"

          #database {
          #       plugin "simple"
          #       path "~/.local/share/mpd/db
          #       cache_directory "~/.local/share/mpd/cache"
          #}

          filesystem_charset		"UTF-8"
        '';
      };
    };
}