nix/nixos/default.nix

# https://search.nixos.org/options
{
  inputs,
  config,
  pkgs,
  lib,
  ...
}: let
  user = config.user;
in {
  imports = [
    ./modules/display.nix
  ];

  nix = {
    settings = {
      experimental-features = ["nix-command" "flakes"];
    };
    settings.trusted-users = ["root" user];

    registry.nixpkgs.flake = inputs.nixpkgs;
  };

  nixpkgs.config.permittedInsecurePackages = [
    "electron-25.9.0"
  ];

  boot.loader.grub = {
    enable = true;
    device = "nodev";
    efiSupport = true;
  };
  boot.loader.efi.canTouchEfiVariables = true;

  networking.networkmanager.enable = true;
  programs.nm-applet.enable = true;
  services.tailscale.enable = true;

  time.timeZone = "Europe/London";

  console = {
    font = "Lat2-Terminus16";
    useXkbConfig = true;
  };

  # use pipewire
  hardware.pulseaudio.enable = false;
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    jack.enable = true;
  };
  # pipewire raop
  networking.firewall.allowedUDPPorts = [6002 6001];
  # network streaming
  networking.firewall.allowedTCPPorts = [4713];

  # kde connect
  networking.firewall.allowedTCPPortRanges = [
    {
      from = 1714;
      to = 1764;
    }
  ];
  networking.firewall.allowedUDPPortRanges = [
    {
      from = 1714;
      to = 1764;
    }
  ];

  networking.firewall.interfaces.tailscale0 = {
    allowedTCPPortRanges = [
      {
        from = 0;
        to = 65535;
      }
    ];
  };

  services.avahi.enable = true;

  security.pam.services.swaylock = {};
  security.polkit.enable = true;
  systemd.user.services.polkit-gnome-authentication-agent-1 = {
    description = "polkit-gnome-authentication-agent-1";
    wantedBy = ["graphical-session.target"];
    wants = ["graphical-session.target"];
    after = ["graphical-session.target"];
    serviceConfig = {
      Type = "simple";
      ExecStart = "${pkgs.polkit_gnome}/libexec/polkit-gnome-authentication-agent-1";
      Restart = "on-failure";
      RestartSec = 1;
      TimeoutStopSec = 10;
    };
  };

  i18n.defaultLocale = lib.mkDefault "en_GB.UTF-8";

  services.xserver = {
    layout = lib.mkDefault "gb";
    xkbOptions = "caps:escape";
  };

  system.configurationRevision =
    pkgs.lib.mkIf (inputs.self ? rev)
    inputs.self.rev;

  hardware.opentabletdriver.enable = true;

  qt.enable = true;
  qt.platformTheme = "gtk2";
  qt.style = "gtk2";

  services.printing.enable = true;

  users.users.${user} = {
    isNormalUser = true;
    extraGroups = ["wheel" "video" "networkmanager" "kvm"];
    initialPassword = "pass";
    shell = pkgs.zsh;
  };
  programs.zsh.enable = true;

  environment.variables = {
    EDITOR = "nvim";
    VISUAL = "nvim";
  };
  environment.pathsToLink = ["/share/zsh"];

  services.gvfs.enable = true;
  environment.systemPackages = with pkgs; [
    tealdeer
    alsa-utils
    pavucontrol
    trash-cli
    wget
    unzip
  ];

  services.dbus.enable = true;
  programs.light.enable = true;
  programs.dconf.enable = true;

  programs.tmux.enable = true;
  programs.tmux.extraConfig = ''
    set escape-time 0
    set -g default-terminal screen

    bind -n M-s split-window -v
    bind -n M-v split-window -h
    bind -n M-Enter split-window -h
    bind -n M-h select-pane -L
    bind -n M-j select-pane -D
    bind -n M-k select-pane -U
    bind -n M-l select-pane -R
    bind -n M-q kill-pane
    bind -n M-< resize-pane -L 10
    bind -n M-> resize-pane -R 10
    bind -n M-- resize-pane -D 10
    bind -n M-+ resize-pane -U 10
    bind -n M-u copy-mode
    bind -n M-p paste-buffer

    set-window-option -g mode-keys vi
    bind-key -T copy-mode-vi v send-keys -X begin-selection
    bind-key -T copy-mode-vi y send-keys -X copy-selection
  '';

  boot.kernel.sysctl = {
    "net.ipv4.ip_unprivileged_port_start" = 53;
  };

  services.tlp.enable = true;

  hardware.bluetooth.enable = true;
  services.blueman.enable = true;

  services.prometheus.exporters.node.enable = true;

  stylix = {
    image = ../images/demonslayer.png;
    base16Scheme = "${pkgs.base16-schemes}/share/themes/onedark.yaml";
  };

  nixpkgs.overlays = [
    (final: prev: {
      interalia = prev.callPackage ../pkgs/interalia.nix {};
    })
  ];

  fonts.packages = with pkgs; [
    nerdfonts
    interalia
  ];
}