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

{
  options.services.git-hooks = {
    enable = lib.mkEnableOption "Install git hooks for Nix flake";
    install = lib.mkOption {
      type = lib.types.nullOr (lib.types.path);
      default = null;
      description = "Install git hooks once (run `nix flake check`)";
    };
  };

  config = lib.mkIf config.services.git-hooks.enable {
    system.activationScripts.install-git-hooks = lib.stringAfter [ "users" ] ''
      ${lib.getExe pkgs.nix} build /home/h/nix/.#pre-commit-check 2>&1 || true
      echo "✅ Git hooks installed"
    '';

    environment.systemPackages = lib.singleton (
      pkgs.writeShellApplication {
        name = "install-git-hooks";
        runtimeInputs = [ pkgs.git ];
        text = ''
          ${lib.getExe pkgs.nix} build /home/h/nix/.#pre-commit-check || echo "⚠️  Hook installation had issues"
          echo "✅ Done"
        '';
      }
    );
  };
}