nixos-configs/configuration.nix

{ pkgs, config, lib, inputs, ... }: {
  time.timeZone = "Europe/Amsterdam";
  i18n.defaultLocale = "en_US.UTF-8";

  services = {
    gnome.gnome-keyring.enable = lib.mkForce false;

    xserver = {
      enable = true;
      displayManager.gdm = { enable = true; };
      desktopManager.gnome.enable = true;
      excludePackages = with pkgs; [ xterm ];
    };

    printing = {
      enable = true;
      drivers = [ pkgs.hplip pkgs.gutenprint ];
    };

    pipewire = {
      enable = true;
      alsa.enable = true;
      alsa.support32Bit = true;
      pulse.enable = true;
      jack.enable = true;
    };
  };

  users = {
    users.pim = {
      isNormalUser = true;
      extraGroups = [ "wheel" "docker" "input" "wireshark" "dialout" ];
    };
  };

  environment = {
    systemPackages = with pkgs; [
      wget
      curl
      git
      btop
      ripgrep
      vim
      dogdns
      tree
      dig
      gnomeExtensions.pop-shell
      gnome.gnome-shell-extensions
    ];
    gnome.excludePackages = with pkgs; with pkgs.gnome; [
      totem
      gnome-tour
      epiphany
      geary
      gnome-console
      gnome-music
      gnome-calendar
    ];
  };

  system = {
    stateVersion = "23.05";

    activationScripts.diff = ''
      if [[ -e  /run/current-system ]]; then
        ${pkgs.nix}/bin/nix store diff-closures /run/current-system "$systemConfig"
      fi
    '';
  };

  programs.ssh.startAgent = true;

  security = {
    rtkit.enable = true;

    sudo.extraConfig = ''
      Defaults        timestamp_timeout=30
    '';
  };

  nix = {
    package = pkgs.nixFlakes;
    settings.trusted-users = [ "root" "pim" ];

    extraOptions = ''
      experimental-features = nix-command flakes
    '';

    gc = {
      automatic = true;
      persistent = true;
      dates = "weekly";
      options = "--delete-older-than 7d";
    };
  };

  age = {
    identityPaths = [ "/home/pim/.ssh/age_ed25519" ];

    secrets = {
      wg-quick-home-privkey.file = ./secrets/wg-quick-home-privkey.age;
      wg-quick-home-preshared-key.file =
        ./secrets/wg-quick-home-preshared-key.age;
    };
  };

  networking = {
    useDHCP = lib.mkDefault true;

    wg-quick.interfaces = {
      home = {
        privateKeyFile = config.age.secrets.wg-quick-home-privkey.path;
        address = [ "10.225.191.4/24" "fd11:5ee:bad:c0de::4/128" ];
        dns = [ "192.168.30.131" ];
        autostart = false;
        mtu = 1412;
        peers = [{
          presharedKeyFile = config.age.secrets.wg-quick-home-preshared-key.path;
          endpoint = "wg.kun.is:51820";
          publicKey = "fa3mQ7ximJbH7cu2ZbWidto5xBGxEEfWvCCiUDk00Hg=";
          allowedIPs = [ "0.0.0.0/0" "::/0" ];
        }];
      };

      home-no-pihole = {
        privateKeyFile = config.age.secrets.wg-quick-home-privkey.path;
        address = [ "10.225.191.4/24" "fd11:5ee:bad:c0de::4/128" ];
        dns = [ "192.168.10.1" ];
        autostart = false;
        mtu = 1412;
        peers = [{
          presharedKeyFile = config.age.secrets.wg-quick-home-preshared-key.path;
          endpoint = "wg.kun.is:51820";
          publicKey = "fa3mQ7ximJbH7cu2ZbWidto5xBGxEEfWvCCiUDk00Hg=";
          allowedIPs = [ "0.0.0.0/0" "::/0" ];
        }];
      };
    };
  };

  virtualisation.docker = {
    enable = true;
    rootless = {
      enable = true;
      setSocketVariable = true;
    };
  };

  nixpkgs = {
    hostPlatform = lib.mkDefault "x86_64-linux";

    config = {
      permittedInsecurePackages = [ "electron-25.9.0" ];
      allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [ "vmware-horizon-client" "libfprint-2-tod1-goodix" "vmware-workstation" ];
    };
  };

  boot = {
    kernelModules = [ "kvm-intel" ];
    extraModulePackages = [ ];

    initrd = {
      availableKernelModules = [ "sd_mod" ];
      kernelModules = [ ];
    };

    kernel.sysctl = {
      "net.core.default_qdisc" = "fq";
      "net.ipv4.tcp_congestion_control" = "bbr";
    };
  };

  hardware = {
    cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
    pulseaudio.enable = false;
  };

  stylix = {
    base16Scheme = "${pkgs.base16-schemes}/share/themes/gruvbox-dark-medium.yaml";
    image = "${inputs.nixos-artwork}/wallpapers/nix-wallpaper-binary-blue.png";

    cursor = {
      package = pkgs.bibata-cursors;
      name = "Bibata-Modern-Ice";
    };

    fonts = {
      monospace = {
        package = pkgs.nerdfonts.override { fonts = [ "JetBrainsMono" ]; };
        name = "JetBrainsMono Nerd Font Mono";
      };

      sansSerif = {
        package = pkgs.dejavu_fonts;
        name = "DejaVu Sans";
      };

      serif = {
        package = pkgs.dejavu_fonts;
        name = "DejaVu Serif";
      };
    };
  };
}