{ config, lib, pkgs, ...}:

let
  inherit (config.services.syncthing)
    dataDir
    ;
in

{

  environment.systemPackages = lib.mkIf config.services.syncthing.enable [
    (pkgs.makeDesktopItem {
      desktopName = "Open Syncthing";
      name = "Syncthing";
      exec = "${pkgs.xdg-utils}/bin/xdg-open ${config.services.syncthing.guiAddress}";
      icon = "${pkgs.syncthing.src}/assets/logo-512.png";
    })
  ];

  services.syncthing = {
    enable = true;

    user = lib.mkDefault "pbsds";
    group = lib.mkDefault "pbsds";
    dataDir = lib.mkDefault config.users.users.pbsds.home + "/syncthing";

    overrideDevices = true; # overrides devices from WebUI
    overrideFolders = true; # overrides folders from WebUI

    settings = {
      options.urAccepted = -1; # disable telemetry

      # TODO: nox
      # TODO: somehow disable gui
      # TODO: somehow auto-make a gui user+password
      # TODO: somehow don't create ~/Sync

      # nix run -- nixpkgs#syncthing generate --config="$HOME"/syncthing/.config/syncthing
      devices."bjarte".id = "C7QQYJU-PMJDP2Z-CKTAV4A-V6IFEG5-YFBGCNU-PJPCZFC-QSXKZY3-NC5WRAL";
      devices."sopp".id = "ZQJEWAX-GALDJDO-FBOE5ON-M5XKXNT-PRZD3CY-S7L3XDR-PR27NYL-RZ6O7QW";
      /* devices."sopp".autoAcceptFolders = true; # TODO */

      folders."ntnu" = {
        path = "${dataDir}/ntnu";
        devices = [ "bjarte" "sopp" ];
        /* ignorePerms = false; # `false` means sync file permissions */
      };

    };
  };
}