namespace App\Http\Controllers\Twill;

use A17\Twill\Http\Controllers\Admin\NestedModuleController as BaseModuleController;
use Mcamara\LaravelLocalization\Facades\LaravelLocalization;
use App\Models\Page;

class PageController extends BaseModuleController
{
    protected $moduleName = 'pages';

    protected function getLocalizedPermalinkBase(): array
    {
        return [
            "en" => "",
            "nl" => "",
        ];
    }

    protected $indexOptions = [
        'reorder' => true,
    ];
    protected $nestedItemsDepth = 6;

    protected function form($id, $item = null): array
    {
        $item = $this->repository->getById($id, $this->formWith, $this->formWithCount);

        $this->permalinkBase = $item->getAncestorsSlug();

        return parent::form($id, $item);
    }

    public function single(Page $page)
    {
        return view("site.pages.show", compact("page"));
    }
}

public function resolveRouteBinding($slug, $field = null)
    {
        $targetSlug = collect(explode('/', $slug))->last();

        $page = app(PageRepository::class)->forSlug($targetSlug);

        abort_if(! $page, 404);

        return $page;
    }

    // #region routekey
    public function getLocalizedRouteKey($locale)
    {
        return $this->getNestedSlug($locale);
    }

mysite.com/second

mysite.com/first/second

php
    protected function form($id, $item = null)
    {
        $data = parent::form($id, $item);

        $data['baseUrl'] = $data['baseUrl'] . $data['item']->ancestorsSlug . '/';

        return $data;
    }

php
    protected function form(?int $id, ?TwillModelContract $item = null): array
    {
        $data = parent::form($id, $item);

        $data['baseUrl'] = $data['baseUrl'] . $data['item']->ancestorsSlug . '/';

        return $data;
    }

// for a specific locale:
$slug = $item->getAncestorsSlug($lang);

@foreach (LaravelLocalization::getSupportedLocales() as $localeCode => $properties)
                    <a rel="alternate" hreflang="{{ $localeCode }}"
                        href="{{ LaravelLocalization::getLocalizedURL($localeCode, null, [], true) }}"
                        class="block rounded-lg px-4 py-2 text-sm text-gray-500 hover:bg-gray-50 hover:text-gray-700 @if ($localeCode == app()->getLocale()) font-bold @endif">
                        {{ $properties['native'] }}
                    </a>
                @endforeach

/**
     * Returns the combined slug for all ancestors of this item.
     *
     * @param string|null $locale
     * @return string
     */
    public function getAncestorsSlug($locale = null)
    {
        return collect($this->ancestors->sortByDesc('position') ?? [])
            ->map(function ($i) use ($locale) { return $i->getSlug($locale); })
            ->implode('/');
    }

    /**
     * Returns the combined slug for this item including all ancestors.
     *
     * @param string|null $locale
     * @return string
     */
    public function getNestedSlug($locale = null)
    {
        return collect([$this->getAncestorsSlug($locale), $this->getSlug($locale)])
            ->filter()
            ->implode('/');
    }

    public function resolveRouteBinding($slug, $field = null)
    {
        $page = app(PageRepository::class)->forNestedSlug($slug);

        abort_if(! $page, 404);

        return $page;
    }

    public function getLocalizedRouteKey($locale)
    {
        return $this->getNestedSlug($locale);
    }

protected function form(?int $id, ?TwillModelContract $item = null): array
    {
        $item = $this->repository->getById($id, $this->formWith, $this->formWithCount);
 
        $this->permalinkBase = $item->ancestorsSlug;
 
        return parent::form($id, $item);
    }

php
    protected function form(?int $id, ?TwillModelContract $item = null): array
    {
        $data = parent::form($id, $item);

        $data['localizedPermalinkBase'] = [
            'en' => $data['item']->getAncestorsSlug('en'),
            'fr' => $data['item']->getAncestorsSlug('fr'),
        ];

        return $data;
    }