nix/system/configuration.nix

# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).

# https://search.nixos.org/options

{ config, pkgs, ... }:
{
  imports = [
    ./hardware-configuration.nix
  ];

  nix.settings = {
    experimental-features = [ "nix-command" "flakes" ];

    # temporary unstable hyprland release
    substituters = ["https://hyprland.cachix.org"];
    trusted-public-keys = ["hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="];
  };

  nix.settings.trusted-users = [ "root" "tristan" ];
  
  # Use the systemd-boot EFI boot loader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  # boot.loader.grub.enable = true;
  # boot.loader.grub.version = 2;
  # boot.loader.grub.devices = ["nodev"];
  # boot.loader.grub.useOSProber = true;
  # boot.loader.efi.canTouchEfiVariables = true;

  networking.hostName = "zenix";
  networking.networkmanager.enable = true;

  time.timeZone = "Europe/London";

  i18n.defaultLocale = "en_GB.UTF-8";
  console = {
    font = "Lat2-Terminus16";
  };

  # 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;
  };

  security.pam.services.swaylock = {};

  security.doas.enable = true;

  # Configure graphical stuff
  services.xserver = {
    enable = true;
    layout = "gb";
    libinput.enable = true;

    # the only display manager that works?
    displayManager.gdm.enable = true;
    displayManager.autoLogin = {
      enable = true;
      user = "tristan";
    };
  };

  qt5.enable = true;
  qt5.platformTheme = "gtk2";
  qt5.style = "gtk2";

  services.printing.enable = true;

  # services.flatpak.enable = true;
  xdg.portal.enable = true;

  users.users.tristan = {
    isNormalUser = true;
    extraGroups = [ "wheel" "video" ];
    initialPassword = "pass";
    shell = pkgs.fish;
  };

  environment.variables = {
    EDITOR = "nvim";
    VISUAL = "nvim";
    TERMINAL = "foot";
  };

  environment.systemPackages = with pkgs; [
    foot
    brave
    tealdeer
    alsa-utils
    wofi
    waybar
    swaylock-effects
    swayidle
    swaybg
    pcmanfm
    pavucontrol
    (neovim.override {
      vimAlias = true;
      configure = {
        packages.myPlugins = with pkgs.vimPlugins; {
          start = [ vim-surround vim-commentary vim-nix ];
          opt = [];
        };
        customRC = ''
          vnoremap * y/\V<C-R>=escape(@",'/\')<CR><CR>
          vnoremap <C-R> "ry:%s/<C-R>=escape(@r,'/\')<CR>
          vnoremap A :norm A
          set number
          set rnu
          set ignorecase
          set smartcase
          set mouse=a
          set path=.,**
          let g:netrw_banner=0
          let g:netrw_liststyle=3
          set undofile
          set undodir=~/.local/share/nvim/undo
        '';
      };
    })
  ];

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

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  # programs.gnupg.agent = {
  #   enable = true;
  #   enableSSHSupport = true;
  # };

  # List services that you want to enable:

  # Enable the OpenSSH daemon.
  services.openssh.enable = true;

  services.tailscale.enable = true;

  # Open ports in the firewall.
  networking.firewall.allowedTCPPorts = [ ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;

  networking.firewall.checkReversePath = "loose";

  # Copy the NixOS configuration file and link it from the resulting system
  # (/run/current-system/configuration.nix). This is useful in case you
  # accidentally delete configuration.nix.
  # system.copySystemConfiguration = true;

  system.stateVersion = "22.11"; # Did you read the comment?

}