<?php
/**
 * Main plugin class.
 *
 * @package HeadFoot
 */

namespace HeadFoot;

defined( 'ABSPATH' ) || exit;

/**
 * Hooks every part of the plugin together.
 */
final class Plugin {

	/**
	 * Single instance.
	 *
	 * @var Plugin|null
	 */
	private static $instance = null;

	/**
	 * Returns the single instance.
	 *
	 * @return Plugin
	 */
	public static function instance() {
		if ( null === self::$instance ) {
			self::$instance = new self();
		}

		return self::$instance;
	}

	/**
	 * Registers the parts of the plugin.
	 */
	private function __construct() {
		require_once HEADFOOT_DIR . 'includes/template-tags.php';

		new Post_Type();
		new Elementor\Preview();
		new Elementor\Panel_Controls();
		new Elementor\Font_Library();
		new Renderer();
		new Shortcode();
		new Compat\Theme_Loader();

		add_action( 'elementor/documents/register', [ $this, 'register_document_type' ] );

		if ( is_admin() ) {
			new Admin();
			new Settings();
		}
	}

	/**
	 * Registers the Elementor document class for the template post type.
	 *
	 * @param \Elementor\Core\Documents_Manager $manager Elementor documents manager.
	 * @return void
	 */
	public function register_document_type( $manager ) {
		$manager->register_document_type(
			Elementor\Template_Document::get_type(),
			Elementor\Template_Document::class
		);
	}

	/**
	 * Tells whether Ultimate Addons for Elementor (Header Footer Elementor) is active.
	 *
	 * The plugin renders nothing in that case, so the site never gets two headers.
	 *
	 * @return bool
	 */
	public function is_uae_active() {
		return defined( 'HFE_VER' ) || class_exists( 'Header_Footer_Elementor', false );
	}
}