{
  config,
  lib,
  pkgs,
  ...
}:
let
  cfg = config.neomd;

  neomdPackage = pkgs.buildGoModule {
    pname = "neomd";
    version = "unstable-2026-04-06";

    src = pkgs.fetchFromGitHub {
      owner = "ssp-data";
      repo = "neomd";
      rev = "671a9dd66bb367e21be7777a6765635a99b7ab09";
      hash = "sha256-9IVrp9GTwr5aFsBy7lPPRXYCaeYTkOuM+VEdK7Tf2+o=";
    };

    vendorHash = "sha256-cG5x23qA+AN5zwEjdx8uDBk9JjNpn/afzI0/aAJjqAU=";
    subPackages = [ "cmd/neomd" ];
    ldflags = [
      "-s"
      "-w"
    ];

    meta = {
      description = "Terminal email client for markdown and Neovim workflows";
      homepage = "https://github.com/ssp-data/neomd";
      license = lib.licenses.mit;
      mainProgram = "neomd";
    };
  };
in
{
  options.neomd = {
    enable = lib.mkEnableOption "neomd terminal email client";

    package = lib.mkOption {
      type = lib.types.package;
      default = neomdPackage;
      description = "Package to install when neomd is enabled.";
    };
  };

  config = lib.mkIf cfg.enable {
    environment.systemPackages = [ cfg.package ];
  };
}