{ config, inputs, outputs, pkgs, ... }: {
  boot = {
    initrd.kernelModules = [ "amdgpu" "zfs" ];
    kernelPackages = pkgs.master.linuxPackages_6_14;
    kernelParams = [
      "amdgpu.ppfeaturemask=0xfffd3fff"
      "split_lock_detect=off"
    ];
    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" ];
    zfs.package = pkgs.master.zfs;
  };

  environment.systemPackages = [
    pkgs.angband
    #pkgs.assaultcube
    pkgs.bsdgames
    pkgs.bzflag
    pkgs.extremetuxracer
    #pkgs.frozen-bubble
    pkgs.hedgewars
    pkgs.kobodeluxe
    pkgs.mailutils
    pkgs.moc
    pkgs.nethack
    #pkgs.openttd
    pkgs.qbittorrent-nox
    pkgs.rdiff-backup
    #pkgs.scorched3d
    pkgs.signal-desktop
    pkgs.superTux
    pkgs.superTuxKart
    pkgs.umoria
    pkgs.vial
    pkgs.warzone2100
    #pkgs.wine9_22.wineWowPackages.stagingFull
    pkgs.wpa_supplicant
    pkgs.xonotic-sdl
    #pkgs.xpilot-ng
  ];

  imports = [
    ./disks.nix
    ./hardware-configuration.nix
    ./services.nix
    ../common/core
    ../common/optional/adb.nix
    ../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/wdt.nix
    ../common/optional/zfs.nix
    ../common/users/nipsy
    ../common/users/root
  ];

  networking = {
    defaultGateway = {
      address = "192.168.1.1";
      interface = "wlp15s0";
    };
    domain = "bitgnome.net";
    hostId = "8981d1e5";
    hostName = "caladan";
    interfaces = {
      wlp15s0 = {
        ipv4.addresses = [
          { address = "192.168.1.4"; prefixLength = 24; }
        ];
      };
    };
    nameservers = [ "192.168.1.1" ];
    nftables.enable = true;
    useDHCP = false;
    wireless = {
      enable = true;
      networks = {
        "Crystal Palace" = {
          pskRaw = "ext:psk_crystal_palace";
        };
      };
      secretsFile = "${config.sops.secrets."wpa_supplicant".path}";
    };
  };

  nixpkgs = {
    config = {
      allowUnfree = true;
    };
    hostPlatform = "x86_64-linux";
    overlays = [
      #inputs.nvidia-patch.overlays.default
      outputs.overlays.additions
      outputs.overlays.modifications
      outputs.overlays.master-packages
      outputs.overlays.stable-packages
      #outputs.overlays.wine9_22-packages
    ];
  };

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

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

    secrets = {
      "nftables/ssh" = {};
      "nix-access-token-github" = {};
      "ssh_config".path = "/root/.ssh/config";
      "wpa_supplicant" = {};
    };
  };

  system.stateVersion = "23.11";

  systemd.services = {

    "nftables-extra" = let rules_script = ''
        ${pkgs.nftables}/bin/nft insert rule inet nixos-fw input 'iifname "enp6s0" udp dport { 2456, 2457 } counter accept # Valheim dedicated server'
        ${pkgs.nftables}/bin/nft insert rule inet nixos-fw input 'iifname "enp6s0" udp dport 5121 counter accept # Neverwinter Nights Server'
        ${pkgs.nftables}/bin/nft insert rule inet nixos-fw input 'iifname "enp6s0" udp dport 15637 counter accept # Enshrouded'
        ${pkgs.nftables}/bin/nft insert rule inet nixos-fw input 'iifname "enp6s0" 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 "enp6s0" ip saddr 192.168.1.0/24 tcp dport { 27036, 27037 } counter accept # Steam Remote Play'
        ${pkgs.nftables}/bin/nft -f ${config.sops.secrets."nftables/ssh".path}
      ''; in {
        description = "nftables extra firewall rules";
        reload = rules_script;
        script = rules_script;
        serviceConfig = {
          RemainAfterExit = true;
          Type = "oneshot";
        };
        unitConfig = {
          ConditionPathExists = [
            config.sops.secrets."nftables/ssh".path
          ];
          ReloadPropagatedFrom = "nftables.service";
        };
        wantedBy = [ "multi-user.target" ];
        after = [ "nftables.service" ];
        partOf = [ "nftables.service" ];
    };

  };

}