{ config, pkgs, ... }:

let
  script = pkgs.replaceVars ../../scripts/cloudflare-ddns.sh {
    bash = pkgs.bash;
    curl = pkgs.curl;
    jq = pkgs.jq;
  };

  cloudflare-ddns = pkgs.writeShellScriptBin "cloudflare-ddns" (builtins.readFile script);

in
{
  environment.systemPackages = [ cloudflare-ddns ];

  systemd.services.cloudflare-ddns = {
    description = "Cloudflare DDNS updater";

    serviceConfig = {
      Type = "oneshot";
      User = "root";
    };

    script = "${cloudflare-ddns}/bin/cloudflare-ddns";
  };

  systemd.timers.cloudflare-ddns = {
    wantedBy = [ "timers.target" ];

    timerConfig = {
      OnBootSec = "2min";
      OnUnitActiveSec = "5min";
      Persistent = true;
    };
  };

  systemd.tmpfiles.rules = [
    "d /var/lib/cloudflare-ddns 0750 root root -"
  ];
}