<?php declare(strict_types=1);
/**
 * WP fail2ban activation
 *
 * @package wp-fail2ban
 * @since   4.3.0
 */
namespace org\lecklider\charles\wordpress\wp_fail2ban;

defined( 'ABSPATH' ) or exit;

\register_activation_hook(
	WP_FAIL2BAN_FILE,
	function () {
		define( 'WP_FAIL2BAN_ACTIVATING', true );

		foreach ( get_mu_plugins() as $plugin => $data ) {
			if ( 0 === strpos( $data['Name'], 'WP fail2ban' ) ) {
				$wp_f2b_ver = substr( WP_FAIL2BAN_VER, 0, strrpos( WP_FAIL2BAN_VER, '.' ) );
				$error_msg  = '<h1>' . __( 'Cannot activate WP fail2ban', 'wp-fail2ban' ) . '</h1>';
				$mu_file    = WPMU_PLUGIN_DIR . '/' . $plugin;
				if ( is_link( $mu_file ) ) {
					if ( false === ( $link = readlink( $mu_file ) ) ||
					false === ( $path = realpath( $mu_file ) ) ) {
						$h3         = __( 'A broken symbolic link was found in <tt>mu-plugins</tt>:', 'wp-fail2ban' );
						$error_msg .= <<< HTML
<h3>{$h3}</h3>
<p><tt>{$mu_file}</tt></p>
HTML;
					} elseif ( WP_FAIL2BAN_FILE == $path ) {
						// OK, we're linking to ourself
						break;
					} else {
						$mu_file = str_replace( '/', '/<wbr>', $mu_file );
						$mu_file = substr( $mu_file, strlen( WPMU_PLUGIN_DIR ) - 1 );

						$h3         = __( 'A conflicting symbolic link was found in <tt>mu-plugins</tt>:', 'wp-fail2ban' );
						$error_msg .= <<< HTML
<h3>{$h3}</h3>
<style>
table { text-align: center; }
td { width: 50%; }
th { font-size: 200%; }
td, th { font-family: monospace; }
span.tt { font-weight: bold; }
</style>
<table>
  <tr>
    <td>{$mu_file}</td>
    <th>&DoubleRightArrow;</th>
    <td>{$link}</td>
  </tr>
  <tr>
    <td colspan="3"><span class="tt">&equiv;</span> <span>{$path}</span></td>
  </tr>
  <tr>
    <td colspan="3"></td>
  </tr>
</table>
HTML;
					}
				} else {
							$mu_file = str_replace( '/', '/<wbr>', $mu_file );
							$mu_file = substr( $mu_file, strlen( WPMU_PLUGIN_DIR ) - 1 );

							$h3         = __( 'A conflicting file was found in <tt>mu-plugins</tt>:', 'wp-fail2ban' );
							$error_msg .= <<< HTML
<h3>{$h3}</h3>
<p><tt>{$mu_file}</tt></p>
HTML;
				}
				$error_msg .= sprintf(
					'<p>%s</p>',
					sprintf(
					/* translators: 1: <a href> internals */
						__( 'Please see the <a %1$s>documentation</a> for how to configure <i>WP fail2ban</i> for <tt>mu-plugins</tt>.', 'wp-fail2ban' ),
						sprintf(
							'href="%s" target="_blank"',
							"https://docs.wp-fail2ban.com/en/{$wp_f2b_ver}/configuration.html#mu-plugins-support"
						)
					)
				);
				$error_msg .= sprintf(
					'<p>%s</p>',
					sprintf(
					/* translators: %s: <a href> internals */
						__( 'Click <a %s>here</a> to return to the plugins page.', 'wp-fail2ban' ),
						sprintf(
							'href="%s"',
							admin_url( 'plugins.php' )
						)
					)
				);

				deactivate_plugins( plugin_basename( WP_FAIL2BAN_FILE ) );
				wp_die( $error_msg );
			}
		}

		@include_once WP_FAIL2BAN_DIR . '/premium/activation.php';
	}
);