<?php
declare(strict_types=1);

namespace ROITheme\Admin\Shared\Infrastructure\FieldMapping;

use ROITheme\Admin\Shared\Domain\Contracts\FieldMapperInterface;

/**
 * Provider para auto-registro de Field Mappers
 *
 * RESPONSABILIDAD:
 * - Descubrir automaticamente FieldMappers en cada modulo
 * - Registrarlos en el FieldMapperRegistry
 *
 * BENEFICIO:
 * - Agregar nuevo componente = crear FieldMapper (sin tocar functions.php)
 * - Eliminar componente = borrar carpeta (limpieza automatica)
 */
final class FieldMapperProvider
{
    private const MODULES = [
        'TopNotificationBar',
        'Navbar',
        'CtaLetsTalk',
        'Hero',
        'FeaturedImage',
        'TableOfContents',
        'CtaBoxSidebar',
        'SocialShare',
        'CtaPost',
        'RelatedPost',
        'ContactForm',
        'Footer',
        'ThemeSettings',
        'AdsensePlacement',
        'ArchiveHeader',
        'PostGrid',
    ];

    public function __construct(
        private readonly FieldMapperRegistry $registry
    ) {}

    /**
     * Registra todos los FieldMappers disponibles
     */
    public function registerAll(): void
    {
        foreach (self::MODULES as $module) {
            $this->registerIfExists($module);
        }
    }

    /**
     * Registra un mapper si existe la clase
     */
    private function registerIfExists(string $module): void
    {
        $className = sprintf(
            'ROITheme\\Admin\\%s\\Infrastructure\\FieldMapping\\%sFieldMapper',
            $module,
            $module
        );

        if (class_exists($className)) {
            $mapper = new $className();
            if ($mapper instanceof FieldMapperInterface) {
                $this->registry->register($mapper);
            }
        }
    }
}