<?php

namespace App\Providers;

use Illuminate\Support\ServiceProvider;
use Illuminate\Support\Facades\View;
use Illuminate\Support\Facades\Gate;
use App\Models\User;
use App\Support\NavigationManager;
use App\Models\NavigationItem;
use App\Support\ThemeManager;

use App\Services\TranslationManager;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     */
    public function register(): void
    {
        $this->app->singleton(NavigationManager::class, function () {
            return new NavigationManager();
        });

        $this->app->singleton(TranslationManager::class, function ($app) {
            return new TranslationManager();
        });
    }

    /**
     * Bootstrap any application services.
     */
    public function boot(): void
    {
        // Register default themes path for Blade views (static fallback)
        View::addNamespace('themes', base_path('themes'));

        // Register Gates
        Gate::before(function (User $user, string $ability) {
            if ($user->hasPermission($ability)) {
                return true;
            }
        });

        // Share navigation with all views
        View::composer('*', function ($view) {
            $navManager = app(NavigationManager::class);

            // Load DB items if not already loaded (or just always merge for now)
            // To avoid multiple DB calls, we could cache this or just do it once.
            $dbItems = NavigationItem::with(['page', 'children.page'])->whereNull('parent_id')->orderBy('order')->get();

            foreach ($dbItems as $item) {
                $navManager->register((string)$item->id, $item->label, $item->final_url, [
                    'target' => $item->target,
                    'order' => $item->order,
                    'children' => $item->children->map(fn($child) => [
                        'label' => $child->label,
                        'url' => $child->final_url,
                        'target' => $child->target,
                    ])->toArray()
                ]);
            }

            $view->with('navigation', $navManager->getItems());
        });
    }
}