{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = {
    self,
    config,
    nixpkgs,
    lib,
    flake-utils,
  }: let
    cfg = config.services.wishlist;
    supportedSystems = ["x86_64-linux" "i686-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin"];
  in {
    # TODO: 1. add options (ie one to set whether the server should be enabled),
    #       2. create a systemd service
    #       3. create a main program
    #       4. celibrate

    # TODO: do I need to make this a home-manager option and set the yaml config?

    # define what settings a user can change
    options = {
      services.wishlist = with lib; {
        enable = mkEnableOption "wishlist";

        port = mkOption {
          type = types.port;
          default = 2222;
          description = "Port to listen on";
        };

        package = mkOption {
          type = types.package;
          default = self.packages.${nixpkgs.system}.default;
          description = "Package to use";
        };
      };
    };

    # define a systemd service for wishlist ^_^
    config = lib.mkIf cfg.enable {
      systemd.services.wishlist = {
        description = "Single entrypoint for multiple SSH endpoints";
        wantedBy = ["multi-user.target"];

        serviceConfig = {
          DynamicUser = "yes";
          ExecStart = "${cfg.package}/bin/wishlist serve";
          Restart = "always";
          RestartSec = "2s";
        };
      };
    };

    packages = flake-utils.lib.eachSystem supportedSystems (
      system: let
        version = "0.15.1";
        #pkgs = nixpkgs.legacyPackages.${system};
        pkgs = import nixpkgs {
          inherit system;
          config.allowUnfree = false;
        };
        #lib = pkgs.lib;
      in rec {
        defaultPackage = self.packages.${system}.wishlist;
        wishlist = pkgs.buildGoModule {
          pname = "wishlist";
          inherit version;
          meta = with lib; {
            description = "Single entrypoint for multiple SSH endpoints";
            homepage = "https://github.com/charmbracelet/wishlist";
            changelog = "https://github.com/charmbracelet/wishlist/releases/tag/v${version}";
            license = licenses.mit;
            maintainers = with maintainers; [caarlos0 penguwin];
            mainProgram = "wishlist";
          };

          src = pkgs.fetchFromGitHub {
            owner = "charmbracelet";
            repo = "wishlist";
            rev = "v${version}";
            # rev = "d7f058e115a8b4a4131406d01dde84fb4a8e93c4";
            hash = "53fojA+gdvpSVNjx6QncH16F8/x+lpY5SkNs7obW2XQ=";
          };
          vendorSha256 = "0x6rss3fwv2398wrd5kyzkrqaphzvh4ykwfqai9glxm01y6fhxz7";
        };
      }
    );
  };
}