{
  lib,
  hosts,
  ...
}:
{
  services.syncthing = {
    guiAddress = lib.mkDefault "127.0.0.1:8384";
    overrideDevices = false;
    overrideFolders = false;
    cert = "~/.config/syncthing/cert";
    key = "~/.config/syncthing/key";

    settings = {
      folders = {
        "Sync" = {
          id = "default";
          type = "sendreceive";
          enabled = lib.mkDefault true;
          label = "Sync";
          path = "~/Sync";
          devices = [
            "nas"
            "s25"
          ];
        };
        "Documents" = {
          id = "ikwrq-ahv5a";
          type = "sendreceive";
          enabled = lib.mkDefault false;
          label = "Documents";
          path = "~/Documents";
          devices = [
            "nas"
          ];
        };
        "Music" = {
          id = "6ytyt-ngvta";
          type = "sendreceive";
          enabled = lib.mkDefault false;
          label = "Music";
          path = "~/Music";
          devices = [
            "nas"
          ];
        };
        "Obsidian" = {
          id = "hyeaf-ygups";
          type = "sendreceive";
          enabled = lib.mkDefault false;
          label = "Obsidian";
          path = "~/Obsidian";
          devices = [
            "nas"
            "s25"
          ];
        };
        "Camera S25" = {
          id = "sm-s938b_9wbf-фото";
          enabled = lib.mkDefault false;
          type = "receiveonly";
          label = "Camera S25";
          path = "~/Photos/S25";
          devices = [
            "nas"
            "s25"
          ];
        };
        "PhotoArchive" = {
          id = "6detn-xjbco";
          type = "sendreceive";
          enabled = lib.mkDefault false;
          label = "PhotoArchive";
          path = "~/Photos/archive";
          ignorePerms = true;
          devices = [
            "nas"
          ];
        };
        "books" = {
          id = "6st45-t9jej";
          type = "sendreceive";
          enabled = lib.mkDefault false;
          label = "Books";
          path = "/mnt/hdd/Books";
          devices = [
            "nas"
          ];
        };
      };

      devices = lib.mapAttrs (
        name: host:
        lib.mkIf (host ? syncthing) {
          addresses = [
            "tcp://${host.ip}:22000"
          ];
          id = host.syncthing;
        }
      ) hosts;
    };
  };
}