{
  config,
  lib,
  username,
  ...
}:
let
  cfg = config.os.srv.syncthing;
in
{
  options.os.srv.syncthing.enable = lib.mkEnableOption "enables syncthing syncing";
  config = lib.mkIf cfg.enable {
    services.syncthing = {
      enable = true;
      user = "${username}";
      dataDir = "/home/${username}/.local/share/syncthing";
      configDir = "/home/${username}/.config/syncthing";
      guiPasswordFile = "/run/secrets/syncthing/gui_password";

      settings = {
        devices = {
          "desktop" = {
            id = "YGMWGOB-LTJUDM7-CY25MAF-NPE7J4J-KYRNPB5-ZHD5DBI-VNRAXI6-LIP2DQP";
          };
          "laptop" = {
            id = "";
          };
          "thinkpad" = {
            id = "";
          };
        };
        folders = {
          "game-saves" = {
            path = "/home/${username}/.saves";
            id = "shared-saves-v1";
            devices = [
              "desktop"
              "laptop"
              "thinkpad"
            ];

            versioning = {
              type = "staggered";
              params = {
                cleanInterval = "3600";
                maxAge = "2592000";
              };
            };
          };
        };
      };
    };
  };
}