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

with lib;
let
  state-dir = "/state";

  inherit (config.instance) hostname;

in {

  config = {

    fudo = {
      slynk.enable = true;
      wallfly.location = "office";
    };

    networking = {
      defaultGateway = {
        address = pkgs.lib.getHostGatewayV4 hostname;
        interface = "intif0";
      };

      interfaces = {
        intif0 = {
          ipv4.addresses = [{
            address = pkgs.lib.getHostIpv4 hostname;
            prefixLength = 16;
          }];
        };
        # intif1.ipv4.addresses = [{
        #   address = "10.0.0.14";
        #   prefixLength = 32;
        # }];
      };
      firewall.enable = false;
    };

    systemd.tmpfiles.rules = [
      "L /root/.gnupg           - - - - ${state-dir}/user/root/gnupg"
      "L /root/.ssh/id_rsa      - - - - ${state-dir}/user/root/ssh/id_rsa"
      "L /root/.ssh/id_rsa.pub  - - - - ${state-dir}/user/root/ssh/id_rsa.pub"
      "L /root/.ssh/known_hosts - - - - ${state-dir}/user/root/ssh/known_hosts"
      "L /var/lib/flatpak       - - - - ${state-dir}/lib/flatpak"
      "L /etc/adjtime           - - - - ${state-dir}/etc/adjtime"
      "d ${state-dir}/lib/cups  755 root root - -"
    ];

    services = {
      blueman.enable = false;

      openssh.hostKeys = [
        {
          path = "${state-dir}/ssh/ssh_host_rsa_key";
          type = "rsa";
          bits = 4096;
        }
        {
          path = "${state-dir}/ssh/ssh_host_ed25519_key";
          type = "ed25519";
        }
      ];
    };

    fileSystems = {
      "/var/lib/cups" = {
        device = "${state-dir}/lib/cups";
        options = [ "bind" ];
      };
    };

    fonts.fontconfig = {
      hinting = {
        enable = true;
        style = "full";
      };
      subpixel.lcdfilter = "default";
      antialias = true;
    };

    environment = {
      etc = {
        nixos.source = "/etc/nixos-live";
        NIXOS.source = "${state-dir}/etc/NIXOS";
      };
      systemPackages = with pkgs; [ bluez-tools ];
    };

    hardware = {
      bluetooth = {
        enable = true;
        package = pkgs.bluez;
      };
      xpadneo.enable = true;
    };
  };
}