{
  pkgs,
  config,
  lib,
  inputs,
  ...
}: let
  webGuiPort = [8384];
  cfg = config;
  secretsFile = "../../../secrets/secrets.json";
  secretsSet = builtins.fromJSON (builtins.readFile ./${secretsFile});
  devices = builtins.attrNames secretsSet.syncthing.devices;
in {
  options = {
    rootDir = lib.mkOption {
      type = lib.types.path;
      default = "/home/${cfg.myNixOS.sharedSettings.mainUser}/sync";
    };

    remoteGui = lib.mkEnableOption "Enable port for remote WebGUI";
  };

  services.syncthing = {
    enable = true;
    user = cfg.myNixOS.sharedSettings.mainUser;
    dataDir = config.rootDir;
    configDir = "/home/${cfg.myNixOS.sharedSettings.mainUser}/.config/syncthing";
    overrideDevices = true;
    overrideFolders = true;
    settings = {
      devices = {
        "saintAlphonso" = {id = "LHASNUO-CXALARH-XI3TU4U-OCULV72-HS3HQ35-P4FECIT-UZ5VMSZ-PMCEPQH";};
        "littleUmbrella" = {id = "BH3OHYP-TGGOSZO-EM6MXRY-YHSBOUO-CQHE7DL-N2LOUFY-TF3LEJ7-FHTGTQI";};
        "pixelRoot" = {id = "PO7U5SE-DYKTOM2-TFDS3BM-A25VK7V-MQ3VPFM-EFX3J4D-B3UDCX4-3XQAIAC";};
        "pixelDefault" = {id = "HC3CKC7-OUZBLU3-JIKTRYG-DPJE6EC-7POCWNS-6VNOPDU-L7OWYWO-PL332AY";};
        "pixelGooglor" = {id = "OWDM4I2-O6STMIS-H3EXF65-FSM26K3-5FLQXRN-VOK7JGC-T6H76IR-QAVO3QK";};
      };

      folders = {
        "/home/${cfg.myNixOS.sharedSettings.mainUser}/KeepassXC" = {
          label = "KeepassXC";
          id = "xd4de-mjfcq";
          devices = ["littleUmbrella" "pixelRoot" "pixelDefault" "pixelGooglor" "saintAlphonso"];
          versioning = {
            type = "simple";
            params.keep = "5";
          };
        };
      };
    };
  };

  # Syncthing ports: 8384 for remote access to GUI
  # 22000 TCP and/or UDP for sync traffic
  # 21027/UDP for discovery
  # source: https://docs.syncthing.net/users/firewall.html
  networking.firewall.allowedTCPPorts = [8384 22000];
  networking.firewall.allowedUDPPorts = [22000 21027];
}