<?php

declare(strict_types=1);

namespace App\Filament\Resources\SubscriptionRequests;

use App\Filament\Resources\SubscriptionRequests\Pages\ListSubscriptionRequests;
use App\Filament\Resources\SubscriptionRequests\Pages\ViewSubscriptionRequest;
use App\Filament\Resources\SubscriptionRequests\Tables\SubscriptionRequestsTable;
use App\Models\SubscriptionRequest;
use BackedEnum;
use Filament\Resources\Resource;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\Auth;
use UnitEnum;

/**
 * Subscription Request Resource.
 *
 * Super Admin only resource for managing subscription change requests.
 * Company Admins create requests via CompanySettings page.
 */
class SubscriptionRequestResource extends Resource
{
    protected static ?string $model = SubscriptionRequest::class;

    protected static ?string $modelLabel = 'Solicitud';

    protected static ?string $pluralModelLabel = 'Solicitudes de suscripción';

    // Explícito: si no, Filament aplica Str::headline() y sale "Solicitudes De Suscripción".
    protected static ?string $navigationLabel = 'Solicitudes de suscripción';

    protected static string|UnitEnum|null $navigationGroup = 'Administración';

    protected static string|BackedEnum|null $navigationIcon = 'heroicon-o-inbox-arrow-down';

    protected static ?int $navigationSort = 10;

    protected static ?string $recordTitleAttribute = 'id';

    /**
     * Título legible (encabezado de Ver / breadcrumb). Antes salía el id desnudo.
     */
    public static function getRecordTitle(?Model $record): ?string
    {
        if (! $record instanceof SubscriptionRequest) {
            return null;
        }

        // company_id es obligatorio en las solicitudes.
        return "Solicitud #{$record->getKey()} · {$record->company->name}";
    }

    /**
     * Only Super Admin can access this resource.
     */
    public static function canViewAny(): bool
    {
        return Auth::user()?->isSuperAdmin() ?? false;
    }

    /**
     * Show badge with pending requests count.
     */
    public static function getNavigationBadge(): ?string
    {
        $count = SubscriptionRequest::pending()->count();

        return $count > 0 ? (string) $count : null;
    }

    public static function getNavigationBadgeColor(): ?string
    {
        return 'warning';
    }

    public static function table(Table $table): Table
    {
        return SubscriptionRequestsTable::configure($table);
    }

    /**
     * El super_admin ve todas las solicitudes por el bypass de MultiTenantScope
     * (no por `withoutGlobalScopes()`). Quitarlo cierra el IDOR cross-tenant (#124):
     * aunque la policy fallara, un no-super quedaría scoped a su propia empresa.
     */
    public static function getEloquentQuery(): Builder
    {
        return parent::getEloquentQuery()
            ->with(['company', 'requestedBy', 'requestedPlan', 'reviewedBy']);
    }

    public static function getRelations(): array
    {
        return [];
    }

    public static function getPages(): array
    {
        return [
            'index' => ListSubscriptionRequests::route('/'),
            'view' => ViewSubscriptionRequest::route('/{record}'),
        ];
    }
}