{ pkgs, config, lib, ... }:
let
  fqdn = "sync.freun.dev";
  port = 8384;

  storage_dir = "/mnt/storage/syncthing";
in
{
  services.syncthing = {
    enable = true;
    dataDir = "/mnt/storage/syncthing";
    openDefaultPorts = true;
    guiAddress = "127.0.0.1:${toString port}";
  };

  modules.webserver.vHosts.${fqdn}.locations."/" = {
    proxy = "http://localhost:${toString port}";
    extraConfig = ''
      proxy_set_header Host $host;
    '';
  };

  fileSystems."${storage_dir}" = {
    device = "//u407959.your-storagebox.de/backup/syncthing";
    fsType = "cifs";
    options =
      let
        # this line prevents hanging on network split
        automount_opts = "x-systemd.automount,auto,x-systemd.device-timeout=5s,x-systemd.mount-timeout=5s";
        uid = builtins.toString config.users.users.syncthing.uid;
        gid = builtins.toString config.users.groups.syncthing.gid;
      in
      [ "${automount_opts},credentials=/var/secrets/smb-storage,uid=${uid},gid=${gid}" ];
  };


  environment.systemPackages = [ pkgs.cifs-utils ];
}