{ config, pkgs, ... }: {
  boot = {
    initrd.kernelModules = [ "zfs" ];
    kernelPackages = pkgs.linuxPackages_6_10;
    loader = {
      efi = {
        canTouchEfiVariables = true;
        efiSysMountPoint = "/efiboot/efi1";
      };
      systemd-boot = {
        enable = true;
        extraInstallCommands = ''
          ${pkgs.rsync}/bin/rsync -av --delete /efiboot/efi1/ /efiboot/efi2
        '';
      };
      timeout = 3;
    };
    supportedFilesystems = [ "zfs" ];
  };

  environment.systemPackages = with pkgs; [
    signal-desktop
    wpa_supplicant
  ];

  imports = [
    ./hardware-configuration.nix
    ./services.nix
    ../common/core
    ../common/optional/db.nix
    ../common/optional/dev.nix
    ../common/optional/ebooks.nix
    ../common/optional/games.nix
    ../common/optional/google-authenticator.nix
    ../common/optional/misc.nix
    ../common/optional/multimedia.nix
    ../common/optional/pipewire.nix
    ../common/optional/sdr.nix
    ../common/optional/services/chrony.nix
    ../common/optional/services/openssh.nix
    ../common/optional/services/xorg.nix
    ../common/optional/sound.nix
    ../common/optional/zfs.nix
    ../common/users/nipsy
    ../common/users/root
  ];

  networking = {
    defaultGateway = {
      address = "192.168.1.1";
      interface = "wlp5s0";
    };
    domain = "bitgnome.net";
    hostId = "2ae4c89f";
    hostName = "arrakis";
    interfaces = {
      wlp5s0 = {
        ipv4.addresses = [
          { address = "192.168.1.2"; prefixLength = 24; }
        ];
      };
    };
    nameservers = [ "192.168.1.1" ];
    nftables.enable = true;
    useDHCP = false;
    wireless = {
      enable = true;
      networks = {
        "Crystal Palace" = {
          pskRaw = "ext:psk_crystal_palace";
        };
      };
      secretsFile = "/run/secrets/wpa_supplicant";
    };
  };

  services.openssh.settings.X11Forwarding = true;
  services.xserver.videoDrivers = [ "nvidia" ];

  sops = {
    age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
    defaultSopsFile = ../secrets/arrakis.yaml;

    secrets = {
      "nftables/ssh" = {};
      "wpa_supplicant" = {};
    };
  };

  system.stateVersion = "23.11";

  systemd.services."nftables-extra" = {
    description = "nftables extra firewall rules";
    script = ''
      ${pkgs.nftables}/bin/nft insert rule inet nixos-fw input 'iifname "wlp5s0" tcp dport { http, https } counter accept # 80, 443'
      ${pkgs.nftables}/bin/nft insert rule inet nixos-fw input 'iifname "wlp5s0" udp dport { netbios-ns, netbios-dgm } counter accept # 137, 138'
      ${pkgs.nftables}/bin/nft insert rule inet nixos-fw input 'iifname "wlp5s0" tcp dport { netbios-ssn, microsoft-ds } counter accept # 139, 445'
      ${pkgs.nftables}/bin/nft insert rule inet nixos-fw input 'iifname "wlp5s0" tcp dport 2049 counter accept'
      ${pkgs.nftables}/bin/nft insert rule inet nixos-fw input 'iifname "wlp5s0" udp dport { 2456, 2457 } counter accept # Valheim dedicated server'
      ${pkgs.nftables}/bin/nft insert rule inet nixos-fw input 'iifname "wlp5s0" udp dport 5121 counter accept # Neverwinter Nights Server'
      ${pkgs.nftables}/bin/nft insert rule inet nixos-fw input 'iifname "wlp5s0" tcp dport { 7878, 8080, 8686, 8787, 8989 } counter accept # Radarr, Sabnzb, Lidarr, Sonarr, Readarr'
      ${pkgs.nftables}/bin/nft insert rule inet nixos-fw input 'iifname "wlp5s0" udp dport 15637 counter accept # Enshrouded'
      ${pkgs.nftables}/bin/nft insert rule inet nixos-fw input 'iifname "wlp5s0" ip saddr 192.168.1.0/24 udp dport { 27031, 27036 } counter accept # Steam Remote Play'
      ${pkgs.nftables}/bin/nft insert rule inet nixos-fw input 'iifname "wlp5s0" ip saddr 192.168.1.0/24 tcp dport { 27036, 27037 } counter accept # Steam Remote Play'
      ${pkgs.nftables}/bin/nft insert rule inet nixos-fw input 'iifname "wlp5s0" udp dport 51820 counter accept # WireGuard'
      ${pkgs.nftables}/bin/nft -f ${config.sops.secrets."nftables/ssh".path}
    '';
    serviceConfig = {
      RemainAfterExit = true;
      Type = "oneshot";
    };
    unitConfig = {
      ConditionPathExists = [
        config.sops.secrets."nftables/forward".path
        config.sops.secrets."nftables/ssh".path
      ];
    };
    wantedBy = [ "multi-user.target" ];
    after = [ "nftables.service" ];
    partOf = [ "nftables.service" ];
  };
  systemd.paths."nftables-extra" = {
    pathConfig = {
      PathExists = [
        config.sops.secrets."nftables/forward".path
        config.sops.secrets."nftables/ssh".path
      ];
    };
    wantedBy = [ "multi-user.target" ];
  };
}