<?php
declare(strict_types=1);

namespace ROITheme\Public\AdsensePlacement\Infrastructure\Providers;

use ROITheme\Shared\Infrastructure\Di\DIContainer;
use ROITheme\Public\AdsensePlacement\Domain\Contracts\AdsenseVisibilityCheckerInterface;
use ROITheme\Public\AdsensePlacement\Infrastructure\Services\AdsenseVisibilityChecker;
use ROITheme\Public\AdsensePlacement\Application\UseCases\CheckAdsenseVisibilityUseCase;
use ROITheme\Public\AdsensePlacement\Infrastructure\Api\WordPress\AdsenseVisibilityController;
use ROITheme\Public\AdsensePlacement\Infrastructure\Ui\AdsenseAssetsEnqueuer;

/**
 * Service Provider para el sistema JavaScript-First de AdSense.
 *
 * Registra todas las dependencias y hooks necesarios.
 *
 * @package ROITheme\Public\AdsensePlacement\Infrastructure\Providers
 */
final class AdsenseJavascriptFirstServiceProvider
{
    private ?AdsenseVisibilityCheckerInterface $visibilityChecker = null;
    private ?CheckAdsenseVisibilityUseCase $useCase = null;
    private ?AdsenseVisibilityController $controller = null;
    private ?AdsenseAssetsEnqueuer $enqueuer = null;

    public function __construct(
        private DIContainer $container
    ) {
    }

    /**
     * Registra los servicios en el contenedor.
     *
     * Llamar en after_setup_theme.
     */
    public function register(): void
    {
        // Los servicios se crean lazy en boot()
    }

    /**
     * Inicializa los hooks de WordPress.
     *
     * Llamar en init.
     */
    public function boot(): void
    {
        // Registrar REST API endpoint
        add_action('rest_api_init', function(): void {
            $this->getController()->registerRoutes();
        });

        // Registrar enqueue de assets
        $this->getEnqueuer()->register();
    }

    /**
     * Obtiene el checker de visibilidad (lazy initialization).
     */
    public function getVisibilityChecker(): AdsenseVisibilityCheckerInterface
    {
        if ($this->visibilityChecker === null) {
            $this->visibilityChecker = new AdsenseVisibilityChecker(
                $this->container->getComponentSettingsRepository()
            );
        }

        return $this->visibilityChecker;
    }

    /**
     * Obtiene el use case (lazy initialization).
     */
    public function getUseCase(): CheckAdsenseVisibilityUseCase
    {
        if ($this->useCase === null) {
            $this->useCase = new CheckAdsenseVisibilityUseCase(
                $this->getVisibilityChecker()
            );
        }

        return $this->useCase;
    }

    /**
     * Obtiene el controller REST (lazy initialization).
     */
    public function getController(): AdsenseVisibilityController
    {
        if ($this->controller === null) {
            $this->controller = new AdsenseVisibilityController(
                $this->getUseCase()
            );
        }

        return $this->controller;
    }

    /**
     * Obtiene el enqueuer de assets (lazy initialization).
     */
    public function getEnqueuer(): AdsenseAssetsEnqueuer
    {
        if ($this->enqueuer === null) {
            $this->enqueuer = new AdsenseAssetsEnqueuer(
                $this->container->getComponentSettingsRepository()
            );
        }

        return $this->enqueuer;
    }
}