{
  inputs,
  config,
  ...
}:
let
  hostNames = builtins.attrNames (
    inputs.nixpkgs.lib.filterAttrs (_: type: type == "directory") (builtins.readDir ./hosts)
  );
  nixosModules = config.flake.modules.nixos;
in
{
  imports = [
    inputs.flake-parts.flakeModules.modules
    ./data.nix
  ];

  systems = [ "x86_64-linux" ];

  flake.nixosConfigurations = inputs.nixpkgs.lib.genAttrs hostNames (
    name:
    inputs.nixpkgs.lib.nixosSystem {
      specialArgs = { inherit inputs; };
      modules = [ nixosModules.${name} ];
    }
  );

  perSystem =
    { pkgs, ... }:
    {
      formatter = pkgs.nixfmt-tree;
    };
}