<?php
/**
 * Plugin Name:       AnyBacklink: Backlink Checker and Link Swaps
 * Description:       Check your backlinks are live and dofollow, see every outbound link on your site, and find relevant sites to swap links with for free.
 * Version:           1.0.0
 * Requires at least: 6.2
 * Requires PHP:      7.4
 * Author:            AnyBacklink
 * Author URI:        https://anybacklink.com
 * License:           GPL-2.0-or-later
 * License URI:       https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain:       anybacklink
 *
 * @package AnyBacklink
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

define( 'ANYBACKLINK_VERSION', '1.0.0' );
define( 'ANYBACKLINK_FILE', __FILE__ );
define( 'ANYBACKLINK_DIR', plugin_dir_path( __FILE__ ) );
define( 'ANYBACKLINK_SITE', 'https://anybacklink.com' );
/* The public AnyBacklink checker. Only ever called when the user clicks Check. */
define( 'ANYBACKLINK_API', 'https://anybacklink.com/mcp' );

require_once ANYBACKLINK_DIR . 'includes/class-anybacklink-scanner.php';
require_once ANYBACKLINK_DIR . 'includes/class-anybacklink-checker.php';
require_once ANYBACKLINK_DIR . 'includes/class-anybacklink-admin.php';

/**
 * A link to anybacklink.com, tagged so visits from the plugin can be told
 * apart in AnyBacklink's own analytics. Nothing about the site is added.
 *
 * @param string $path     Path on anybacklink.com, starting with a slash.
 * @param string $campaign Which button in the plugin was clicked.
 * @return string
 */
function anybacklink_url( $path, $campaign ) {
	return add_query_arg(
		array(
			'utm_source'   => 'wordpress',
			'utm_medium'   => 'plugin',
			'utm_campaign' => $campaign,
		),
		ANYBACKLINK_SITE . $path
	);
}

/**
 * This site's domain, without "www.", e.g. "mysite.com".
 *
 * @return string
 */
function anybacklink_home_host() {
	$host = (string) wp_parse_url( home_url(), PHP_URL_HOST );
	$host = strtolower( $host );
	return 0 === strpos( $host, 'www.' ) ? substr( $host, 4 ) : $host;
}

if ( is_admin() ) {
	AnyBacklink_Admin::init();
}