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

{
  options = {
    my.systemType = lib.mkOption {
      type = lib.types.str;
      default = "aarch64-darwin";
    };
    my.hostname = lib.mkOption {
      type = lib.types.str;
    };
  };

  config = {
    services.nix-daemon.enable = true;
    nix = {
      package = pkgs.lix;
      settings = {
        trusted-users = [ "root" "@wheel" ];
        substituters = lib.mkForce [ "https://cache.nixos.org/" "s3://lukegb-nix-cache?endpoint=storage.googleapis.com&trusted=1" ];
        trusted-substituters = lib.mkForce [ "https://cache.nixos.org/" "s3://lukegb-nix-cache?endpoint=storage.googleapis.com&trusted=1" ];
        experimental-features = [ "nix-command" "flakes" ];
        builders-use-substitutes = "true";
      };
    };
    system.checks.verifyNixPath = false;

    services.tailscale.enable = lib.mkDefault true;

    system.darwinLabel = "${config.my.hostname}-${config.system.nixpkgsVersion}+${config.system.darwinVersion}";

    networking = {
      computerName = config.my.hostname;
      hostName = config.my.hostname;
      localHostName = config.my.hostname;
    };
  };
}