# vim: set ts=2 sw=2 et: vim #

{
  description = "NixOS configuration";

  inputs = {
    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-25.05";
  };

  outputs = inputs@{ nixpkgs, ... }:
    let
      system = "x86_64-linux";
      pkgs = import nixpkgs {};
    in { nixosConfigurations = {
        hue = nixpkgs.lib.nixosSystem {
          inherit system;
          modules = [
            ({ pkgs, ...}: {
              # Bootloader.
              boot.loader.systemd-boot.enable = true;
              boot.loader.efi.canTouchEfiVariables = true;
              boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "thunderbolt" "usb_storage" "usbhid" "sd_mod" ];
              boot.initrd.kernelModules = [ ];
              boot.kernelModules = [ ];
              # boot.kernelParams = [ ];
              boot.extraModulePackages = [ ];
              boot.resumeDevice = "/dev/disk/by-partlabel/Swap";

              fileSystems."/" = {
                device = "/dev/disk/by-uuid/74285f6a-b237-4372-b64c-13bd53186460";
                fsType = "ext4";
              };

              fileSystems."/boot" = {
                device = "/dev/disk/by-uuid/51E2-1C85";
                fsType = "vfat";
                options = [ "fmask=0077" "dmask=0077" ];
              };

              swapDevices = [{ device = "/dev/nvme0n1p7"; }];

              nixpkgs.hostPlatform = system;

              hardware.graphics.enable = true;

              hardware.enableAllFirmware = true;

              networking.hostName = "hue";

              networking.useDHCP = pkgs.lib.mkDefault true;

              # Enable networking
              networking.networkmanager.enable = true;

              # Set your time zone.
              time.timeZone = "America/Chicago";

              # Select internationalisation properties.
              i18n.defaultLocale = "en_US.UTF-8";

              i18n.extraLocaleSettings = {
                LC_ADDRESS = "en_US.UTF-8";
                LC_IDENTIFICATION = "en_US.UTF-8";
                LC_MEASUREMENT = "en_US.UTF-8";
                LC_MONETARY = "en_US.UTF-8";
                LC_NAME = "en_US.UTF-8";
                LC_NUMERIC = "en_US.UTF-8";
                LC_PAPER = "en_US.UTF-8";
                LC_TELEPHONE = "en_US.UTF-8";
                LC_TIME = "en_US.UTF-8";
              };

              # Enable the X11 windowing system.
              services.xserver.enable = true;

              # Enable the Pantheon Desktop Environment.
              services.xserver.displayManager.lightdm.enable = true;
              services.xserver.displayManager.lightdm.greeters.pantheon.enable = true;
              services.xserver.desktopManager.pantheon.enable = true;

              # Configure keymap in X11
              services.xserver.xkb = {
                layout = "us";
                options = "caps:enter";
              };

              # Enable CUPS to print documents.
              services.printing.enable = true;

              # Enable sound with pipewire.
              services.pulseaudio.enable = false;
              security.rtkit.enable = true;
              services.pipewire = {
                enable = true;
                alsa.enable = true;
                alsa.support32Bit = true;
                pulse.enable = true;
              };

              # Define a user account. Don't forget to set a password with ‘passwd’.
              users.users.zander = {
                isNormalUser = true;
                description = "zander";
                extraGroups = [ "networkmanager" "wheel" ];
                packages = with pkgs; [
                  vim wget graphviz
                  nix-tree htop
                  pantheon-tweaks
                  obsidian
                  direnv
                  file
                  sgt-puzzles 
                  google-chrome
                  mpv
                  git
                  vlc
                  tree
                  gparted
                  man-pages man-pages-posix
                ];
              };

              documentation.dev.enable = true;

              # Install firefox.
              programs.firefox.enable = true;

              # Allow unfree packages
              nixpkgs.config.allowUnfree = true;

              # environment.pantheon.excludePackages = [
              #   pkgs.pantheon.epiphany
              #   pkgs.pantheon.elementary-mail
              #   pkgs.pantheon.elementary-tasks
              # ]; 

              # List packages installed in system profile. To search, run:
              # $ nix search wget
              # environment.systemPackages = with pkgs; [
              # ];

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

              # List services that you want to enable:

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

              # This value determines the NixOS release from which the default
              # settings for stateful data, like file locations and database versions
              # on your system were taken. It‘s perfectly fine and recommended to leave
              # this value at the release version of the first install of this system.
              # Before changing this value read the documentation for this option
              # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
              system.stateVersion = "25.05"; # Did you read the comment?
            })
          ];
        };
      };
    };
}