<?php

namespace App\Http\Middleware;

use App\Tenancy\TenantManager;
use Closure;
use Filament\Facades\Filament;
use Filament\Navigation\NavigationGroup;
use Illuminate\Http\Request;

/**
 * Read the current tenant's preferred navigation group order from
 * settings.nav_group_order and apply it to the tenant panel so the
 * sidebar groups render in that order.
 *
 * Falls back to the built-in default order when the setting is empty.
 */
class ConfigureNavGroups
{
    /** Default order (matches the labels defined in lang/{ro,ru,en}/nav.php). */
    public const DEFAULT_ORDER = [
        'CRM',
        'Service',
        'Depozit',
        'Finanțe',
        'Analiză',
        'Marketing',
        'Magazin',
        'Admin',
    ];

    public function handle(Request $request, Closure $next)
    {
        $tenant = app(TenantManager::class)->current();
        if (! $tenant) return $next($request);

        $order = (array) ($tenant->settings['nav_group_order'] ?? []);
        if (empty($order)) $order = self::DEFAULT_ORDER;

        // Only touch the tenant panel — bail if the current request isn't in it.
        $panel = Filament::getCurrentPanel();
        if (! $panel || $panel->getId() !== 'tenant') return $next($request);

        $groups = array_map(
            fn (string $key) => NavigationGroup::make(__('nav.group.' . $key)),
            $order,
        );
        $panel->navigationGroups($groups);

        return $next($request);
    }
}