{
  lib,
  nglib,
  pkgs,
  config,
  ...
}: let
  cfg = config.services.jellyseerr;
  cfgInit = config.init.services.jellyseerr;
in {
  options.services.jellyseerr = {
    enable = lib.mkEnableOption "jellyseerr";
    package = lib.mkPackageOption pkgs "jellyseerr" {};

    port = lib.mkOption {
      description = ''
        The port Jellyseerr should listen on.
      '';
      type = lib.types.port;
      example = 8080;
      default = 5055;
    };

    configDir = lib.mkOption {
      description = ''
        The directory to save run-time configuration.
      '';
      type = lib.types.str;
      example = "/jellyseerr";
      default = "/var/lib/jellyseerr";
    };
  };

  config = lib.mkIf cfg.enable {
    init.services.jellyseerr = {
      enabled = true;
      script = pkgs.writeShellScript "jellyseerr-run" ''
        umask 0002
        ${lib.getExe cfg.package}
      '';
      user = lib.mkDefault "jellyseerr";
      group = lib.mkDefault "jellyseerr";
    };

    environment = {
      systemPackages = [cfg.package];

      variables = {
        PORT = builtins.toString cfg.port;
        CONFIG_DIRECTORY = cfg.configDir;
      };
    };

    users.users.${cfgInit.user} = lib.mkIf (cfgInit.user == "jellyseerr") (nglib.mkDefaultRec {
      description = "jellyseerr";
      group = cfgInit.group;
      createHome = false;
      home = "/var/empty";
      useDefaultShell = true;
      uid = config.ids.uids.jellyseerr;
    });

    users.groups.${cfgInit.group} = lib.mkIf (cfgInit.group == "jellyseerr") (nglib.mkDefaultRec {gid = config.ids.gids.jellyseerr;});
  };
}