<?php
/**
 * Divi integration.
 *
 * Registers a "DeveloperSD Logo Slider" Divi Builder module. This file is
 * only ever required when Divi is confirmed active (see
 * DeveloperSD_LS_Plugin::init_integrations()), so it is safe to hook into
 * Divi's module registration directly here.
 *
 * @package DeveloperSD_Logo_Slider
 */

defined( 'ABSPATH' ) || exit;

/**
 * Class DeveloperSD_LS_Divi_Integration
 */
class DeveloperSD_LS_Divi_Integration {

	/**
	 * Whether the PHP module has already been registered.
	 *
	 * @var bool
	 */
	protected static $registered = false;

	/**
	 * Hook registration.
	 */
	public function __construct() {
		add_action( 'et_builder_ready', array( $this, 'register_module' ) );
		add_action( 'divi_extensions_init', array( $this, 'register_module' ) );
		add_action( 'wp_enqueue_scripts', array( $this, 'maybe_enqueue_divi_assets' ), 20 );
	}

	/**
	 * Register the Divi module class.
	 *
	 * Divi's PHP-module API registers a module when its ET_Builder_Module
	 * subclass is instantiated. Using the documented registration path also
	 * allows partial Visual Builder compatibility to server-render via AJAX.
	 */
	public function register_module() {
		if ( self::$registered || ! class_exists( 'ET_Builder_Module' ) ) {
			return;
		}

		require_once __DIR__ . '/class-divi-module.php';
		new DeveloperSD_LS_Divi_Module();
		self::$registered = true;
	}

	/**
	 * Load the carousel assets in Divi's Visual Builder shell. Partial-support
	 * modules are rendered through AJAX, so enqueueing only from PHP render()
	 * can be too late for the already-loaded builder document.
	 */
	public function maybe_enqueue_divi_assets() {
		$is_visual_builder = false;

		if ( function_exists( 'et_fb_is_enabled' ) && et_fb_is_enabled() ) {
			$is_visual_builder = true;
		} elseif ( function_exists( 'et_core_is_fb_enabled' ) && et_core_is_fb_enabled() ) {
			$is_visual_builder = true;
		}

		$has_module = false;
		global $post;

		if ( $post instanceof WP_Post && is_string( $post->post_content ) ) {
			$has_module = has_shortcode( $post->post_content, 'developersd_ls_divi' )
				|| has_shortcode( $post->post_content, 'developersd_logo_slider' );
		}

		if ( $is_visual_builder || $has_module ) {
			DeveloperSD_LS_Assets::enqueue_frontend_assets();
		}
	}
}