{ inputs, config, lib, pkgs, outputs, ... }:

{
  imports =
    [ 
      ./hardware-configuration.nix
    ];


  nixpkgs = {
      # You can add overlays here
      overlays = [
        # Add overlays your own flake exports (from overlays and pkgs dir):
        outputs.overlays.additions
        outputs.overlays.modifications
        outputs.overlays.unstable-packages
  
        # You can also add overlays exported from other flakes:
        # neovim-nightly-overlay.overlays.default
  
        # Or define it inline, for example:
        # (final: prev: {
        #   hi = final.hello.overrideAttrs (oldAttrs: {
        #     patches = [ ./change-hello-to-hi.patch ];
        #   });
        # })
      ];
      # Configure your nixpkgs instance
      config = {
        # Disable if you don't want unfree packages
        allowUnfree = true;
      };
    };
  
#    home-manager = {
#      extraSpecialArgs = { inherit inputs; };
#      users = {
#        sam = import ./home.nix;
#      };
#    };

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

  boot.loader.grub.enable = true;
  boot.loader.grub.device = "/dev/vda"; 

  networking.networkmanager.enable = true;  

  time.timeZone = "Europe/London";

  networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";

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

  services.printing.enable = true;

  sound.enable = true;
  hardware.pulseaudio.enable = true;

  services.libinput.enable = true;

  users.users.sam = {
    isNormalUser = true;
    extraGroups = [ "wheel" ]; 
  };
  
  users.users.sam.shell = pkgs.zsh;

  environment.systemPackages = with pkgs; [
    curl
    vim
    home-manager 
    tmux
    waybar
    git
    mako
    libnotify
    wl-clipboard
    swww
    rofi-wayland
    networkmanagerapplet
    htop
    sddm-theme
    sddm
    sshfs-fuse
    wdisplays
    wallpaper_changer
    #(callPackage ../../nixos_modules/themes/sddm-sugar-candy.nix{}).sddm-sugar-candy-theme
    libsForQt5.qt5.qtgraphicaleffects #required for sugar candy
    #(import ../../nixos_modules/scripts/wallpaper_changer.nix { inherit pkgs; })
  ];

  programs.gnupg.agent = {
    enable = true;
    enableSSHSupport = true;
  };

  programs.zsh.enable = true;
  programs.hyprland = {
    enable = true;
    xwayland.enable = true;
  };

  hardware = {
    opengl.enable = true;
    nvidia.modesetting.enable = true;
  };

  services.openssh.enable = true;
#  services.displayManager.sddm = {
#    enable = true;
#    theme = "sugar-candy";
#  };
   services.displayManager.sddm = {
      enable = true;
      package = lib.mkForce pkgs.libsForQt5.sddm;
      theme = "sugar-candy";
   };

  services.displayManager.sddm.wayland.enable = true;

  system.stateVersion = "23.11"; 

}