{ config, pkgs, lib, inputs, ... }:
  with lib;
  let
    cfg = config.services.skynet;
  in {

  imports = [
    ./acme.nix
    ./dns.nix
  ];

  options.services.skynet = {
    host = {
      ip = mkOption {
        type = types.str;
      };
      name = mkOption {
        type = types.str;
      };
    };
  };

  config = {
    skynet_dns.records = [
      # means root domain, so skynet.ie
      {record="@"; r_type="A"; value=cfg.host.ip;}
      {record="2016";  r_type="CNAME";  value="skynet";}
    ];

    networking.firewall.allowedTCPPorts = [80 443];
    services.httpd = {
      enable = true;
      group = "acme";

      virtualHosts = {
        # main site
        "skynet.ie" = {
          forceSSL = true;
          useACMEHost = "skynet";
          documentRoot = "${inputs.skynet_website.defaultPackage."x86_64-linux"}";
          # only on skynet.ie
          # skynet.ie/~username
          enableUserDir = true;
        };

        # archive of teh site as it was ~2012 to 2016
        "2016.skynet.ie" = {
          forceSSL = true;
          useACMEHost = "skynet";
          documentRoot = "${inputs.skynet_website_2016.defaultPackage."x86_64-linux"}";
        };
      };
    };
  };
}