{
    description = "System config";

    inputs = {
        #nixpkgs.url = "nixpkgs/nixos-unstable";
        nixpkgs.url = "github:NixOS/nixpkgs/nixos-22.11";
        home-manager = {
            url = "github:nix-community/home-manager";
            inputs.nixpkgs.follows =  "nixpkgs";
        };
    };

    outputs = { self, nixpkgs, home-manager }@attrs:
        let
          system = "x86_64-linux";
          pkgs = import nixpkgs {
            inherit system; 
            config.allowUnfree = true;
            overlays = [];
          };
        in {
        nixosConfigurations.nixos-desktop = nixpkgs.lib.nixosSystem {
            inherit system; 
            specialArgs = attrs;
            modules = [
                ({ config, lib, pkgs, modulesPath, ... }: {
                  # HARDWARE
                  imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
                  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" "sr_mod" ];
                  boot.initrd.kernelModules = [ ];
                  boot.kernelModules = [ "kvm-amd" ];
                  boot.extraModulePackages = [ ];
                  fileSystems."/" = { device = "/dev/disk/by-uuid/163c1731-2f66-436b-a74f-20f84ec628dd"; fsType = "ext4"; };
                  fileSystems."/boot" = { device = "/dev/disk/by-uuid/9C44-5411"; fsType = "vfat"; };
                  swapDevices = [ ];
                  networking.useDHCP = lib.mkDefault true;
                  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
                  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
                  # END HARDWARE

                  boot.loader.systemd-boot.enable = true;
                  boot.loader.efi.canTouchEfiVariables = true;
                  networking.hostName = "nixos-desktop"; # Define your hostname.
                  networking.networkmanager.enable = true;  # Easiest to use and most distros use this by default.
                  time.timeZone = "America/New_York";

                  users.extraUsers.nathan = {
                      name = "nathan";
                      isNormalUser = true;
                      group = "users";
                      extraGroups = [ "wheel" "disk" "audio" "video" "networkmanager" "systemd-journal" "networkmanager" "sway" "plugdev" "adbusers"];
                      createHome = true;
                      home = "/home/nathan";
                      shell = "/run/current-system/sw/bin/bash";
                  };

                  services.pipewire = {
                    enable = true;
                    alsa.enable = true;
                    pulse.enable = true;
                  };
                  services.dbus.enable = true;
                  xdg.portal = {
                    enable = true;
                    wlr.enable = true;
                    extraPortals = [pkgs.xdg-desktop-portal-gtk ];
                    gtkUsePortal = true;
                  };

                  programs.sway = {
                    enable = true;
                    wrapperFeatures.gtk = true;
                    extraPackages = with pkgs; [
                      swaylock # lockscreen
                      swayidle
                      #xwayland # for legacy apps
                      waybar # status bar
                      mako # notification daemon
                      kanshi # autorandr
                      bemenu # is this right?
                      i3status
                    ];
                  };

                  environment = {
                    etc = {
                      "sway/config".source = ./sway_config;
                    };
                  };

                  environment.systemPackages = with pkgs; [
                    tmux vim wget curl git w3m iftop killall file unzip zip ripgrep imv killall gomuks htop
                    firefox-wayland chromium gnome.nautilus
                    calibre foliate transmission-gtk mupdf
                    pywal

                    foot
                    sway wayland glib dracula-theme gnome.adwaita-icon-theme swaylock swayidle wl-clipboard
                    (pkgs.writeTextFile {
                      name = "dbus-sway-environment";
                      destination = "/bin/dbus-sway-environment";
                      executable = true;

                      text = ''
                        dbus-update-activation-environment --systemd WAYLAND_DISPLAY XDG_CURRENT_DESKTOP=sway
                        systemctl --user stop pipewire pipewire-media-session xdg-desktop-portal xdg-desktop-portal-wlr
                        systemctl --user start pipewire pipewire-media-session xdg-desktop-portal xdg-desktop-portal-wlr
                      '';
                    })
                    # currently, there is some friction between sway and gtk:
                    # https://github.com/swaywm/sway/wiki/GTK-3-settings-on-Wayland
                    # the suggested way to set gtk settings is with gsettings
                    # for gsettings to work, we need to tell it where the schemas are
                    # using the XDG_DATA_DIR environment variable
                    # run at the end of sway config
                    (pkgs.writeTextFile {
                        name = "configure-gtk";
                        destination = "/bin/configure-gtk";
                        executable = true;
                        text = let
                          schema = pkgs.gsettings-desktop-schemas;
                          datadir = "${schema}/share/gsettings-schemas/${schema.name}";
                        in ''
                          export XDG_DATA_DIRS=${datadir}:$XDG_DATA_DIRS
                          gnome_schema=org.gnome.desktop.interface
                          gsettings set $gnome_schema gtk-theme 'Dracula'
                          '';
                    })
                  ];
                  programs.waybar.enable = true;

                  # kanshi systemd service
                  systemd.user.services.kanshi = {
                    description = "kanshi daemon";
                    serviceConfig = {
                      Type = "simple";
                      ExecStart = "${pkgs.kanshi}/bin/kanshi -c kanshi_config_file";
                    };
                  };
                  services.syncthing = {
                    enable = true;
                    user = "nathan";
                    dataDir = "/home/nathan/syncthing_stuff";
                    configDir = "/home/nathan/syncthing_stuff/.config/syncthing";
                  };

                  services.openssh.enable = true;
                  networking.firewall.enable = false;
                  system.stateVersion = "22.11"; # Did you read the comment?
                })
            ];
        };
    };
}