{
  pkgs,
  lib,
  config,
  ...
}: {
  system.stateVersion = "23.11";

  imports = [./hardware.nix ./users.nix];

  # Nix settings
  nix = {
    settings = {
      experimental-features = ["nix-command" "flakes" "repl-flake"];
      trusted-users = ["l-nafaryus"];
      allowed-users = ["l-nafaryus"];
      substituters = [
        "https://cache.elnafo.ru"
        "https://bonfire.cachix.org"
        "https://nix-community.cachix.org"
      ];
      trusted-public-keys = [
        "cache.elnafo.ru:j3VD+Hn+is2Qk3lPXDSdPwHJQSatizk7V82iJ2RP1yo="
        "bonfire.cachix.org-1:mzAGBy/Crdf8NhKail5ciK7ZrGRbPJJobW6TwFb7WYM="
        "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
      ];
      auto-optimise-store = true;
    };
    gc = {
      automatic = lib.mkDefault true;
      dates = lib.mkDefault "weekly";
      options = lib.mkDefault "--delete-older-than 7d";
    };
  };

  # Nix packages
  nixpkgs = {
    hostPlatform = lib.mkDefault "x86_64-linux";
    config.allowUnfree = true;
    config.cudaSupport = false;

    overlays = [
      (final: prev: {
        blender = prev.blender.override {cudaSupport = true;};
      })
    ];
  };

  # Services
  services.xserver = {
    enable = true;

    xkb = {
      layout = "us";
      variant = "";
    };

    videoDrivers = ["nvidia"];

    #displayManager.gdm = {
    #    enable = true;
    #    autoSuspend = false;
    #    wayland = true;
    #};
    #desktopManager.gnome.enable = true;
    #windowManager.awesome.enable = true;

    wacom.enable = true;
  };

  services.greetd = let
    hyprConfig = pkgs.writeText "greetd-hyprland-config" ''
      exec-once = ${lib.getExe pkgs.greetd.regreet}; hyprctl dispatch exit
    '';
  in {
    enable = true;
    settings = {
      default_session = {
        command = "${lib.getExe config.programs.hyprland.package} --config ${hyprConfig}";
        user = "greeter";
      };
    };
  };

  programs.regreet = {
    enable = true;
    settings = {
      GTK = {
        application_prefer_dark_theme = true;
        # TODO: provide gtk themes
        # theme_name = "Catppuccin-Macchiato-Standard-Green-Dark";
        # icon_theme_name = "Catppuccin-Macchiato-Green-Cursors";
        # cursor_theme_name = "Papirus-Dark";
        # font_name = "";
      };
      appearance = {
        greeting_msg = "Hey, you. You're finally awake.";
      };
    };
  };

  programs.hyprland = {
    enable = true;
    xwayland.enable = true;
  };
  services.dbus.enable = true;

  services.printing = {
    enable = true;
    drivers = [pkgs.hplip];
  };

  services.avahi = {
    enable = true;
    nssmdns4 = true;
    openFirewall = true;
  };

  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    jack.enable = true;
  };

  services.openssh = {
    enable = true;
    startWhenNeeded = true;
    settings.PasswordAuthentication = false;
    settings.KbdInteractiveAuthentication = false;
  };

  services.udev = {
    packages = with pkgs; [gnome.gnome-settings-daemon];
    extraRules = ''
      KERNEL=="rtc0", GROUP="audio"
      KERNEL=="hpet", GROUP="audio"
    '';
  };

  services.blueman.enable = true;

  services.btrfs.autoScrub = {
    enable = true;
    interval = "monthly";
    fileSystems = ["/"];
  };

  # Packages
  environment.systemPackages = with pkgs; [
    wget

    parted
    ntfs3g
    sshfs
    exfat

    lm_sensors

    git
    git-lfs
    ripgrep
    fd
    lazygit
    unzip

    gnumake

    fishPlugins.fzf-fish
    fishPlugins.tide
    fishPlugins.grc
    fishPlugins.hydro

    nnn
    fzf
    grc

    gcc

    cachix
  ];

  programs = {
    fish.enable = true;

    neovim = {
      enable = true;
      defaultEditor = true;
    };
  };

  programs.ssh.extraConfig = ''
    Host astora
        HostName 192.168.156.101
        Port 22
        User l-nafaryus

    Host catarina
        HostName 192.168.156.102
        Port 22
        User l-nafaryus
  '';

  programs.direnv.enable = true;

  fonts.packages = with pkgs; [nerdfonts];

  programs.steam.enable = true;
  systemd.extraConfig = "DefaultLimitNOFILE=1048576";

  virtualisation = {
    containers.enable = true;
    podman = {
      enable = true;
      dockerCompat = true;
      defaultNetwork.settings.dns_enabled = true;
    };
    libvirtd.enable = true;
  };
}