<?php
/**
 * Displays the content on the plugin settings page
 */

if ( ! class_exists( 'Gglstmp_Settings_Tabs' ) ) {
	class Gglstmp_Settings_Tabs extends Bws_Settings_Tabs {
		public $htaccess_options = false,
			$htaccess_active = false,
			$robots, $htaccess, $client, $blog_prefix,
			$manage_info = '',
			$all_post_types, $all_taxonomies;

		/**
		 * Constructor.
		 *
		 * @access public
		 *
		 * @see Bws_Settings_Tabs::__construct() for more information on default arguments.
		 *
		 * @param string $plugin_basename
		 */
		public function __construct( $plugin_basename ) {
			global $gglstmp_options, $gglstmp_plugin_info;

			$tabs = array(
				'settings' => array( 'label' => esc_html__( 'Settings', 'google-sitemap-plugin' ) ),
				'display'  => array( 'label' => esc_html__( 'Structure', 'google-sitemap-plugin' ) ),
				'misc'     => array( 'label' => esc_html__( 'Misc', 'google-sitemap-plugin' ) ),
				/*pls */
				'license'  => array( 'label' => esc_html__( 'License Key', 'google-sitemap-plugin' ) )
				/* pls*/
			);

			parent::__construct( array(
				'plugin_basename'    => $plugin_basename,
				'plugins_info'       => $gglstmp_plugin_info,
				'prefix'             => 'gglstmp',
				'default_options'    => gglstmp_get_options_default(),
				'options'            => $gglstmp_options,
				'tabs'               => $tabs,
				/*pls */
				'wp_slug'            => 'google-sitemap-plugin',
				'link_key'           => '28d4cf0b4ab6f56e703f46f60d34d039',
				'link_pn'            => '83',
				/* pls*/
                'doc_link'           => 'https://docs.google.com/document/d/1ffd0jasAtIEWXiW6Dg81QqmqHODj8j6vqzu2CQFyaT4/',
                'doc_video_link'     => 'https://www.youtube.com/watch?v=hzz0_Yj4gaQ'
			) );
			
			add_action( get_parent_class( $this ) . '_additional_misc_options', array( $this, 'additional_misc_options' ) );
			
			$this->robots = get_option( 'gglstmp_robots' );

			/* Check htaccess plugin */
			if ( $this->is_multisite && ! is_subdomain_install() ) {
				$all_plugins            = get_plugins();
				$this->htaccess         = gglstmp_plugin_status( array(
					'htaccess/htaccess.php',
					'htaccess-pro/htaccess-pro.php'
				), $all_plugins, false );
				$this->htaccess_options = false;
				if ( 'actived' == $this->htaccess['status'] ) {
					global $htccss_options;
					register_htccss_settings();
					$this->htaccess_options = &$htccss_options;
					$this->htaccess_active  = true;
					if ( function_exists( 'htccss_check_xml_access' ) ) {
						$htaccess_check = htccss_check_xml_access();
						if ( $htaccess_check != $this->htaccess_options['allow_xml'] ) {
							$this->htaccess_options['allow_xml'] = $htaccess_check;
							update_site_option( 'htccss_options', $this->htaccess_options );
						}
					}
				}
			}

			if ( function_exists( 'curl_init' ) ) {
				$this->client      = gglstmp_client();
				$this->blog_prefix = '_' . get_current_blog_id();
				if ( ! isset( $_SESSION[ 'gglstmp_authorization_code' . $this->blog_prefix ] ) && isset( $this->options['authorization_code'] ) ) {
					$_SESSION[ 'gglstmp_authorization_code' . $this->blog_prefix ] = $this->options['authorization_code'];
				}
				if ( isset( $_SESSION[ 'gglstmp_authorization_code' . $this->blog_prefix ] ) ) {
					$this->client->setAccessToken( $_SESSION[ 'gglstmp_authorization_code' . $this->blog_prefix ] );
				}
			}

			$this->all_post_types = get_post_types( array( 'public' => true ), 'objects' );
			unset( $this->all_post_types['attachment'] );

			$this->all_taxonomies = array(
				'category' => esc_html__( 'Post category', 'google-sitemap-plugin' ),
				'post_tag' => esc_html__( 'Post tag', 'google-sitemap-plugin' )
			);

			add_filter( get_parent_class( $this ) . '_additional_restore_options', array(
				$this,
				'additional_restore_options'
			) );
            add_filter( get_parent_class( $this ) . '_display_custom_messages', array( $this, 'display_custom_messages' ) );
            add_filter( get_parent_class( $this ) . '_information_postbox_top', array( $this, 'information_postbox_top' ) );
		}

		/**
		 * Save plugin options to the database
		 * @access public
		 *
		 * @param  void
		 *
		 * @return array    The action results
		 */
		public function save_options() {
			global $wpdb;

			$message = $notice = $error = '';
			$sitemapcreate = $reschedule = false;

			if ( isset( $_POST['gglstmp_logout'] ) ) {
				unset( $_SESSION[ 'gglstmp_authorization_code' . $this->blog_prefix ], $this->options['authorization_code'] );
				update_option( 'gglstmp_options', $this->options );
			} elseif ( isset( $_POST['gglstmp_authorize'] ) && ! empty( $_POST['gglstmp_authorization_code'] ) ) {
				try {
					$this->client->authenticate( $_POST['gglstmp_authorization_code'] );
					$this->options['authorization_code'] = $_SESSION[ 'gglstmp_authorization_code' . $this->blog_prefix ] = $this->client->getAccessToken();
					update_option( 'gglstmp_options', $this->options );
				} catch ( Exception $e ) {
				}
			} elseif ( isset( $_POST['gglstmp_menu_add'] ) || isset( $_POST['gglstmp_menu_delete'] ) || isset( $_POST['gglstmp_menu_info'] ) ) {
				if ( $this->client->getAccessToken() ) {
					$webmasters        = new Google_Service_Webmasters( $this->client );
					$site_verification = new Google_Service_SiteVerification( $this->client );
					if ( isset( $_POST['gglstmp_menu_info'] ) ) {
						$this->manage_info .= gglstmp_get_site_info( $webmasters, $site_verification );
					} elseif ( isset( $_POST['gglstmp_menu_add'] ) ) {
						$this->manage_info .= gglstmp_add_site( $webmasters, $site_verification );
					} else {
						$this->manage_info .= gglstmp_delete_site( $webmasters, $site_verification );
					}
				}
			} else {
				if ( $this->htaccess_active && $this->htaccess_options && function_exists( 'htccss_generate_htaccess' ) ) {
					$gglstmp_allow_xml = ( ! empty( $_POST['gglstmp_allow_xml'] ) ) ? 1 : 0;
					if ( $gglstmp_allow_xml != $this->htaccess_options['allow_xml'] ) {
						$this->htaccess_options['allow_xml'] = $gglstmp_allow_xml;
						update_site_option( 'htccss_options', $this->htaccess_options );
						htccss_generate_htaccess();
					}
				}

				$filter_param = apply_filters( 'gglstmp_save_frequency_options', $this->options, $sitemapcreate );
				if ( ! empty( $filter_param['frequency_options'] ) && ! empty( $filter_param['sitemapcreate'] ) ) {
					$this->options = array_merge( $this->options, $filter_param['frequency_options'] );
					$sitemapcreate = $filter_param['sitemapcreate'];
				}

				$post_types = $taxonomies = array();

				if ( ! empty( $_POST['gglstmp_post_types'] ) ) {
					foreach ( (array)$_POST['gglstmp_post_types'] as $type ) {
						if ( array_key_exists( sanitize_text_field( $type ), $this->all_post_types ) )
							$post_types[] = $type;
					}
				}
				if ( ! empty( $_POST['gglstmp_taxonomies'] ) ) {
					foreach ( (array)$_POST['gglstmp_taxonomies'] as $tax ) {
						if ( array_key_exists( sanitize_text_field( $tax ), $this->all_taxonomies ) )
							$taxonomies[] = $tax;
					}
				}

				if ( $this->options['post_type'] != $post_types || $this->options['taxonomy'] != $taxonomies ) {
					$sitemapcreate = true;
				}

				$this->options['post_type'] = $post_types;
				$this->options['taxonomy']  = $taxonomies;

				if ( isset( $_POST['gglstmp_limit'] ) ) {
					if ( $this->options['limit'] != absint( $_POST['gglstmp_limit'] ) ) {
						$sitemapcreate = true;
					}

					$this->options['limit'] = ( absint( $_POST['gglstmp_limit'] ) >= 1000 && absint( $_POST['gglstmp_limit'] ) <= 50000 ) ? absint( $_POST['gglstmp_limit'] ) : 50000;
				}

				if ( ( empty( $this->options['alternate_language'] ) && isset( $_POST['gglstmp_alternate_language'] ) ) || ( ! empty( $this->options['alternate_language'] ) && ! isset( $_POST['gglstmp_alternate_language'] ) ) ) {
					$sitemapcreate = true;
				}
				
				$media_sitemap = isset( $_POST['gglstmp_media_sitemap'] ) ? 1 : 0;
				if ( is_plugin_active( 'wordpress-seo/wp-seo.php' ) || is_plugin_active( 'wordpress-seo-pro/wp-seo-pro.php' ) ) {
					if ( isset( $_POST['disable_yoast_xml_sitemap'] ) ) {
						WPSEO_Options::set( 'enable_xml_sitemap', false );
					} else {
						WPSEO_Options::set( 'enable_xml_sitemap', true );
					}
				}
				if ( $this->options['media_sitemap'] != $media_sitemap )
					$sitemapcreate = true;
				$this->options['media_sitemap'] = $media_sitemap;

				$this->robots                        = isset( $_POST['gglstmp_checkbox'] ) ? 1 : 0;				
				$this->options['alternate_language'] = isset( $_POST['gglstmp_alternate_language'] ) ? 1 : 0;

				update_option( 'gglstmp_robots', $this->robots );
				update_option( 'gglstmp_options', $this->options );

				if ( $sitemapcreate ) {
					gglstmp_schedule_sitemap( false, false, true);
				}

				$message = esc_html__( 'Settings saved.', 'google-sitemap-plugin' );
			}

			return compact( 'message', 'notice', 'error' );
		}

		/**
		 *
		 */
		public function tab_settings() { ?>
            <h3 class="bws_tab_label"><?php esc_html_e( 'Sitemap Settings', 'google-sitemap-plugin' ); ?></h3>
			<?php $this->help_phrase();
			global $wp_version;
			if ( ! $this->all_plugins ) {
				if ( ! function_exists( 'get_plugins' ) ) {
					require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
				}
				$this->all_plugins = get_plugins();
			} ?>
            <hr>
            <table class="form-table gglstmp_settings_form">
            	<?php if ( is_plugin_active( 'wordpress-seo/wp-seo.php' ) || is_plugin_active( 'wordpress-seo-pro/wp-seo-pro.php' ) ) { ?>
                	<tr>
                        <th><?php _e( 'Yoast Sitemap', 'google-sitemap-plugin' ); ?></th>
                        <td>
                            <input type='checkbox' name="disable_yoast_xml_sitemap" value="1" <?php checked( WPSEO_Options::get( 'enable_xml_sitemap'), false ); ?>/>
                            <span class="bws_info"><?php _e( 'Enable to activate the sitemap (Yoast sitemap will be deactivated).', 'google-sitemap-plugin' ); ?></span>
                        </td>
                    </tr>
                <?php } ?>
                <tr>
                    <th>Robots.txt</th>
                    <td>
                        <input type='checkbox' name="gglstmp_checkbox" value="1" <?php checked( $this->robots, 1 ); ?> />
                        <span class="bws_info">
							<?php printf(
								_x( "Enable to add a sitemap file path to the %s file.", '%robots.txt file link%', 'google-sitemap-plugin' ),
								'<a href="' . home_url( '/robots.txt' ) . '" target="_blank">robots.txt</a>'
							); ?>
						</span>
                    </td>
                </tr>        
                <tr>
                    <th><?php esc_html_e( 'Media Sitemap', 'google-sitemap-plugin' ); ?></th>
                    <td>
                        <input type='checkbox' name="gglstmp_media_sitemap" value="1" <?php checked( $this->options['media_sitemap'], 1 ); ?>/>
                        <span class="bws_info"><?php esc_html_e( 'Enable to create separate sitemap files for images and videos.', 'google-sitemap-plugin' ); ?></span>
                    </td>
                </tr>
				<?php if ( $this->is_multisite && ! is_subdomain_install() ) {
					$attr_checked           = $attr_disabled = '';
					$htaccess_plugin_notice = esc_html__( 'This option will be applied to all websites in the network.', 'google-sitemap-plugin' );
					if ( 'deactivated' == $this->htaccess['status'] ) {
						$attr_disabled          = 'disabled="disabled"';
						$htaccess_plugin_notice = '<a href="' . network_admin_url( '/plugins.php' ) . '">' . esc_html__( 'Activate', 'google-sitemap-plugin' ) . '</a>';
					} elseif ( 'not_installed' == $this->htaccess['status'] ) {
						$attr_disabled          = 'disabled="disabled"';
						$htaccess_plugin_notice = '<a href="https://bestwebsoft.com/products/wordpress/plugins/htaccess/?k=bc745b0c9d4b19ba95ae2c861418e0df&pn=106&v=' . $this->plugins_info["Version"] . '&wp_v=' . $wp_version . '">' . esc_html__( 'Install Now', 'google-sitemap-plugin' ) . '</a>';
					}
					if ( ! empty( $this->htaccess_options['allow_xml'] ) && empty( $attr_disabled ) ) {
						$attr_checked = 'checked="checked"';
					} ?>
                    <tr id="gglstmp_allow_xml_block">
                        <th><?php printf( esc_html__( '%s Plugin', 'google-sitemap-plugin' ), 'Htaccess' ); ?></th>
                        <td>
                            <input <?php printf( "%s %s", $attr_checked, $attr_disabled ); ?> type="checkbox"
                                                                                              name="gglstmp_allow_xml"
                                                                                              value="1"/> <span
                                    class="bws_info"><?php printf( esc_html__( 'Enable to allow XML files access using %s plugin.', 'google-sitemap-plugin' ), 'Htaccess' ); ?><?php echo $htaccess_plugin_notice; ?></span>
							<?php echo bws_add_help_box( esc_html__( 'The following string will be added to your .htaccess file', 'google-sitemap-plugin' ) . ': <code>RewriteRule ([^/]+\.xml)$ $1 [L]</code>' ); ?>
                        </td>
                    </tr>
				<?php } 
				do_action( 'gglstmp_display_settings_frequency', $this->options ); ?>
			<!-- pls -->
            </table>          
			<?php if ( ! $this->hide_pro_tabs ) { ?>
                <div class="bws_pro_version_bloc">
                    <div class="bws_pro_version_table_bloc">
                        <button type="submit" name="bws_hide_premium_options"
                                class="notice-dismiss bws_hide_premium_options"
                                title="<?php esc_html_e( 'Close', 'google-sitemap-plugin' ); ?>"></button>
                        <div class="bws_table_bg"></div>
                        <table class="form-table bws_pro_version">
                            <?php gglstmp_frequency_block(); ?>
                        </table>
                    </div>
					<?php $this->bws_pro_block_links(); ?>
                </div>
			<?php } ?>
            <table class="form-table gglstmp_settings_form">
            <!-- end pls -->
                <tr>
                    <th><?php esc_html_e( 'URLs Limit', 'google-sitemap-plugin' ); ?></th>
                    <td>
                        <input type="number" name="gglstmp_limit" min="1000" max="50000"
                               value="<?php echo absint( $this->options['limit'] ); ?>"/>
                        <div class="bws_info">
							<?php esc_html_e( "A sitemap file can't contain more than 50,000 URLs and must be no larger than 50 MB uncompressed.", 'google-sitemap-plugin' ); ?>
                            &nbsp;<a
                                    href="https://support.google.com/webmasters/answer/183668?ref_topic=4581190#general-guidelines"
                                    target="_blank"><?php esc_html_e( 'Learn More', 'google-sitemap-plugin' ); ?></a><br/>
							<?php esc_html_e( 'Decrease the limit if your sitemap exceeds file size limit.', 'google-sitemap-plugin' ); ?>
							<?php esc_html_e( 'When the limit is reached, the sitemap will be splitted into multiple files.', 'google-sitemap-plugin' ); ?>
                        </div>
                    </td>
                </tr>
                <tr>
                    <th><?php esc_html_e( 'Google Search Console', 'google-sitemap-plugin' ); ?></th>
                    <td>
						<?php if ( ! $this->client ) { 
							esc_html_e( "This hosting does not support сURL, so you cannot add a sitemap file automatically.", 'google-sitemap-plugin' ); ?>
						<?php } else { ?>
						<?php if ( ! isset( $_POST['gglstmp_logout'] ) && $this->client->getAccessToken() ) { ?>
                        <input class="button-secondary bws_no_bind_notice" name="gglstmp_logout" type="submit"
                               value="<?php esc_html_e( 'Logout', 'google-sitemap-plugin' ); ?>"/>
                    </td>
                </tr>
                <tr>
                    <th><?php esc_html_e( 'Manage Website with Google Search Console', 'google-sitemap-plugin' ); ?></th>
                    <td>
                        <input class="button-secondary bws_no_bind_notice" type='submit' name='gglstmp_menu_add'
                               value="<?php esc_html_e( 'Add', 'google-sitemap-plugin' ); ?>"/>
                        <input class="button-secondary bws_no_bind_notice" type='submit' name='gglstmp_menu_delete'
                               value="<?php esc_html_e( 'Delete', 'google-sitemap-plugin' ); ?>"/>
                        <input class="button-secondary bws_no_bind_notice" type='submit' name='gglstmp_menu_info'
                               value="<?php esc_html_e( 'Get Info', 'google-sitemap-plugin' ); ?>"/>
                        <div class="bws_info">
							<?php esc_html_e( "Add, delete or get info about this website using your Google Search Console account.", 'google-sitemap-plugin' ); ?>
                        </div>
						<?php echo $this->manage_info;
						} else {
							$gglstmp_state = mt_rand();
							$this->client->setState( $gglstmp_state );
							$_SESSION[ 'gglstmp_state' . $this->blog_prefix ] = $this->client;
							$gglstmp_auth_url                                 = $this->client->createAuthUrl(); ?>
                            <a id="gglstmp_authorization_button" class="button-secondary button"
                               href="<?php echo esc_url( $gglstmp_auth_url ); ?>" target="_blank"
                               onclick="window.open(this.href,'','top='+(screen.height/2-560/2)+',left='+(screen.width/2-240/2)+',width=640,height=560,resizable=0,scrollbars=0,menubar=0,toolbar=0,status=1,location=0').focus(); return false;"><?php esc_html_e( 'Open the Google Search Console', 'google-sitemap-plugin' ); ?></a>
                            <div id="gglstmp_authorization_form">
                                <input id="gglstmp_authorization_code" class="bws_no_bind_notice"
                                       name="gglstmp_authorization_code" type="text" maxlength="100"
                                       autocomplete="off"/>
                                <input id="gglstmp_authorize" class="button-secondary button bws_no_bind_notice"
                                       name="gglstmp_authorize" type="submit"
                                       value="<?php esc_html_e( 'Authorize', 'google-sitemap-plugin' ); ?>"/>
                            </div>
							<?php if ( isset( $_POST['gglstmp_authorization_code'] ) && isset( $_POST['gglstmp_authorize'] ) ) { ?>
                                <div id="gglstmp_authorize_error"><?php esc_html_e( 'Invalid authorization code. Please try again.', 'google-sitemap-plugin' ); ?></div>
							<?php }
						}
						} ?>
                        <div class="bws_info">
							<?php esc_html_e( 'You can also add your sitemap to Google Search Console manually.', 'google-sitemap-plugin' ); ?>
                            &nbsp;<a target="_blank"
                                     href="https://docs.google.com/document/d/1ffd0jasAtIEWXiW6Dg81QqmqHODj8j6vqzu2CQFyaT4"><?php esc_html_e( 'Read the instruction', 'google-sitemap-plugin' ); ?></a>
                        </div>
                    </td>
                </tr>
                <tr>
                    <th><?php esc_html_e( 'Alternate Language Pages', 'google-sitemap-plugin' ); ?></th>
                    <td>
						<?php $disabled = $link = '';
						if ( array_key_exists( 'multilanguage/multilanguage.php', $this->all_plugins ) || array_key_exists( 'multilanguage-pro/multilanguage-pro.php', $this->all_plugins ) ) {
							if ( ! is_plugin_active( 'multilanguage/multilanguage.php' ) && ! is_plugin_active( 'multilanguage-pro/multilanguage-pro.php' ) ) {
								$disabled = ' disabled="disabled"';
								$link     = '<a href="' . admin_url( 'plugins.php' ) . '">' . esc_html__( 'Activate', 'google-sitemap-plugin' ) . '</a>';
							}
						} else {
							$disabled = ' disabled="disabled"';
							$link     = '<a href="https://bestwebsoft.com/products/wordpress/plugins/multilanguage/?k=84702fda886c65861801c52644d1ee11&amp;pn=83&amp;v=' . $this->plugins_info["Version"] . '&amp;wp_v=' . $wp_version . '" target="_blank">' . esc_html__( 'Install Now', 'google-sitemap-plugin' ) . '</a>';
						} ?>
                        <input type="checkbox" name="gglstmp_alternate_language" value="1" <?php echo esc_attr( $disabled );
						checked( $this->options['alternate_language'] ) ?> />
                        <span class="bws_info"> <?php esc_html_e( "Enable to add alternate language pages using Multilanguage plugin.", 'google-sitemap-plugin' ); ?> <?php echo $link; ?></span>
                    </td>
                </tr>
            </table>
		<?php }

		/**
		 *
		 */
		public function tab_display() { ?>
            <h3 class="bws_tab_label"><?php esc_html_e( 'Sitemap Structure', 'google-sitemap-plugin' ); ?></h3>
			<?php $this->help_phrase(); ?>
            <hr>
            <table class="form-table gglstmp_settings_form">
                <tr>
                    <th><?php esc_html_e( 'Post Types', 'google-sitemap-plugin' ); ?></th>
                    <td>
                        <fieldset>
							<?php foreach ( $this->all_post_types as $post_type => $post_type_object ) { ?>
                                <label>
                                	<input type="checkbox" <?php if ( in_array( $post_type, $this->options['post_type'] ) ) echo 'checked="checked"'; ?> name="gglstmp_post_types[]" value="<?php echo esc_attr( $post_type ); ?>"/>
                                	<span style="text-transform: capitalize; padding-left: 5px;"><?php echo esc_attr( $post_type_object->labels->name ); ?></span>
                                </label>
                                <br/>
							<?php } ?>
                        </fieldset>
                        <span class="bws_info"><?php esc_html_e( 'Enable to add post type links to the sitemap.', 'google-sitemap-plugin' ); ?></span>
                    </td>
                </tr>
                <tr>
                    <th><?php esc_html_e( 'Taxonomies', 'google-sitemap-plugin' ); ?></th>
                    <td>
                        <fieldset>
							<?php foreach ( $this->all_taxonomies as $key => $value ) { ?>
                                <label><input
                                            type="checkbox" <?php if ( in_array( $key, $this->options['taxonomy'] ) ) {
										echo 'checked="checked"';
									} ?> name="gglstmp_taxonomies[]" value="<?php echo esc_attr( $key ); ?>"/><span
                                            style="padding-left: 5px;"><?php echo esc_attr( $value ); ?></span></label><br/>
							<?php } ?>
                        </fieldset>
                        <span class="bws_info"><?php esc_html_e( 'Enable to taxonomy links to the sitemap.', 'google-sitemap-plugin' ); ?></span>
                    </td>
                </tr>
            </table>
            <!-- pls -->
			<?php if ( ! $this->hide_pro_tabs ) { ?>
                <div class="bws_pro_version_bloc">
                    <div class="bws_pro_version_table_bloc">
                        <button type="submit" name="bws_hide_premium_options"
                                class="notice-dismiss bws_hide_premium_options"
                                title="<?php esc_html_e( 'Close', 'google-sitemap-plugin' ); ?>"></button>
                        <div class="bws_table_bg"></div>
						<?php gglstmp_extra_block(); ?>
                    </div>
					<?php $this->bws_pro_block_links(); ?>
                </div>
			<?php } ?>
			<!-- end pls -->
		<?php }

		/**
		* Display custom options on the 'misc' tab
		* @access public
		*/
		public function additional_misc_options() {
			do_action( 'gglstmp_settings_page_misc_action', $this->options );
		}

		/**
		 * Custom functions for "Restore plugin options to defaults"
		 * @access public
		 */
		public function additional_restore_options( $default_options ) {

			if ( $this->is_multisite ) {
				$blog_id = get_current_blog_id();
				$mask    = "sitemap_{$blog_id}*.xml";
			} else {
				$mask = "sitemap*.xml";
			}
			/* remove all sitemap files */
			array_map( "unlink", glob( ABSPATH . $mask ) );

			/* clear robots.txt */
			$this->robots = 0;
			update_option( 'gglstmp_robots', $this->robots );

			$this->client->revokeToken();
			unset( $_SESSION[ 'gglstmp_authorization_code' . $this->blog_prefix ], $this->options['authorization_code'] );

			return $default_options;
		}

        /**
         * Custom content for metabox
         * @access public
         */
		public function information_postbox_top() {
			if ( $this->is_multisite ) {
				$blog_id  = get_current_blog_id();
				$xml_file = 'sitemap_' . $blog_id . '.xml';
			} else {
				$xml_file = 'sitemap.xml';
			}
			$xml_url = home_url( '/' . $xml_file );

			if ( isset( $xml_file ) && file_exists( ABSPATH . $xml_file ) ) {

                printf(
                    '<div class="misc-pub-section"><strong>%s</strong></div>',
                    sprintf(
                        esc_html__( "Sitemap File: %s", 'google-sitemap-plugin' ),
                        '<a href="' . $xml_url . '" target="_blank">' . $xml_file . '</a>'
                    )
                );

				if ( ! $this->is_multisite ) {
					$status = gglstmp_check_sitemap( home_url( "/sitemap.xml" ) );
				} else {
					$status = gglstmp_check_sitemap( home_url( "/sitemap_{$blog_id}.xml" ) );
				}

				if ( ! is_wp_error( $status ) && '200' != $status['code'] ) {
					if ( $this->is_multisite ) {
						$home_url = network_home_url();
						$site_url = network_site_url();
					} else {
						$home_url = home_url();
						$site_url = site_url();
					}
					$home_dir = str_replace( $home_url, '', $site_url );
					if ( '' != $home_dir ) {
						$home_dir .= '/';
					}
					$replace = $home_dir . '$1'; ?>
                    <div class="error below-h2">
                        <p>
                            <strong><?php esc_html_e( 'Error', 'google-sitemap-plugin' ); ?>:</strong> <?php
							printf( esc_html__( "Can't access XML files. Try to add the following rule %s to your %s file which is located in the root of your website to resolve this error. Find the following line %s and paste the code just after it.", 'google-sitemap-plugin' ),
								'<code>RewriteRule ([^/]+\.xml)$ ' . $replace . ' [L]</code>',
								'<strong>.htaccess</strong>',
								'<strong>"RewriteBase /"</strong>'
							); ?>
                        </p>
                    </div>
				<?php }

			} else {
				gglstmp_schedule_sitemap();
			}

			if ( class_exists( 'Google_Client' ) && version_compare( Google_Client::LIBVER, '1.1.3', '!=' ) ) {
				/* Google Client library of some other product is used! */ ?>
                <div class="updated bws-notice inline">
                    <p><strong><?php esc_html_e( 'Note', 'google-sitemap-plugin' ); ?>
                            :&nbsp;</strong><?php esc_html_e( 'Another plugin is providing Google Client functionality and may interrupt proper plugin work.', 'google-sitemap-plugin' ); ?>
                    </p>
                </div>
			<?php }
		}

        public function display_custom_messages() {
            $tooltip_text = sprintf(
                _x('The “Robots.txt” option is enabled. You should disable the “Search Engine Visibility" option on the %s.', '%reading settings page link%', 'google-sitemap-plugin'),
                sprintf(
                    '<a href="%s" target="_blank">%s</a>',
                    admin_url('/options-reading.php#blog_public'),
                    _x('Reading Settings page', '...on the reading settings page.', 'google-sitemap-plugin')
                )
            );
            if (file_exists(ABSPATH . 'robots.txt')) {
                $tooltip_text .= "<br />" . esc_html__('Also, please add the following code to the beginning of your ".htaccess" file:', 'google-sitemap-plugin') . "<br />" .
                    "<pre><code>" .
                    "&lt;IfModule mod_rewrite.c&gt;<br />" .
                    "RewriteEngine On<br />" .
                    "RewriteBase /<br />" .
                    "RewriteRule robots\.txt$ index.php?gglstmp_robots=1<br />" .
                    "&lt;/IfModule&gt;" .
                    "</code></pre>";
            }
            if ( 1 == $this->robots && '1' != get_option( 'blog_public' ) ) {
                printf('<div class="updated bws-notice inline"><p><strong>%s</strong></p></div>', $tooltip_text);
            }
            return false;
        }
	}
}