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

with lib;

{
  orbekk.simple-firewall.enable = mkForce false;

  # Install desktop packages, but don't enable X11.
  orbekk.desktop.enable = true;
  orbekk.development.enable = true;
  services.xserver.enable = mkForce false;
  services.xserver.displayManager.lightdm.enable = mkForce false;

  # Fake pipewire socket activation.
  services.pipewire.socketActivation = false;
  systemd.user.services.pipewire-setup = {
    description = "Link pipewire socket";
    after = [ "paths.target" ];
    wantedBy = [ "default.target" ];
    serviceConfig = {
      ExecStart = "${pkgs.coreutils}/bin/ln -s /tmp/pipewire-0 %t/pipewire-0";
      Type = "oneshot";
    };
  };

  # GPG socket is forwarded by SSH.
  systemd.user.sockets.gpg-agent.enable = mkForce false;

  nix.gc.persistent = false;

  boot.cleanTmpDir = mkForce false; # Don't delete bind mounts in /tmp.
  boot.isContainer = true;
  boot.postBootCommands = ''
    # After booting, register the contents of the Nix store in the Nix
    # database.
    if [ -f /nix-path-registration ]; then
    ${config.nix.package.out}/bin/nix-store --load-db < /nix-path-registration &&
    rm /nix-path-registration
    fi
    # nixos-rebuild also requires a "system" profile
    ${config.nix.package.out}/bin/nix-env -p /nix/var/nix/profiles/system --set /run/current-system
  '';

  environment.defaultPackages = with pkgs; [ neovim xmonad ];
  environment.etc."resolv.conf".text = ''
    nameserver 172.20.100.1
    nameserver 8.8.8.8
  '';

  networking.hostName = "minideck";
  networking.interfaces.host0 = {
    ipv4.addresses = [{
      address = "172.20.199.2";
      prefixLength = 24;
    }];
    ipv4.routes = [{
      address = "0.0.0.0";
      prefixLength = 0;
      via = "172.20.199.1";
    }];
  };

  users.users.root.initialHashedPassword = mkOverride 150 "";

  system.activationScripts.installInitScript = mkForce ''
    ln -fs $systemConfig/init /sbin/init
  '';
  environment.shellInit = ''
    source /.host-profile
  '';
  services.openssh.enable = mkDefault true;
  services.openssh.startWhenNeeded = mkDefault true;
  system.stateVersion = "22.05";

  systemd.tmpfiles.rules = [
    # Don't remove the X11 socket.
    "d /tmp/.X11-unix 1777 root root"
  ];
  systemd.suppressedSystemUnits = [
    "systemd-udev-trigger.service"
    "systemd-udevd.service"
    "sys-fs-fuse-connections.mount"
    "sys-kernel-debug.mount"
    "dev-mqueue.mount"
  ];
}