<?php
/**
 * MainWP Child Plugin Pages
 *
 * Manage the MainWP Child plugin pages.
 *
 * @package MainWP\Child
 */

namespace MainWP\Child;

/**
 * Class MainWP_Pages
 *
 * Manage the MainWP Child plugin pages.
 */
class MainWP_Pages {

    /**
     * Public static variable to hold the single instance of the class.
     *
     * @var mixed Default null
     */
    protected static $instance = null;

    /**
     * Public static variable containing the sub-pages array.
     *
     * @var array Subpages array.
     */
    public static $subPages;

    /**
     * Public statis variable to determine whether or not MainWP Child Plugin subpages should be loaded. Default: false.
     *
     * @var bool true|false.
     */
    public static $subPagesLoaded = false;

    /**
     * Public statis variable to contain custom branding title.
     *
     * @var string Branding title.
     */
    public static $brandingTitle = null;

    /**
     * Method get_class_name()
     *
     * Get class name.
     *
     * @return string __CLASS__ Class name.
     */
    public static function get_class_name() {
        return __CLASS__;
    }

    /**
     * MainWP_Pages constructor.
     *
     * Run any time class is called.
     */
    public function __construct() {
    }

    /**
     * Method get_instance()
     *
     * Create a public static instance.
     *
     * @return mixed Class instance.
     */
    public static function get_instance() {
        if ( null === static::$instance ) {
            static::$instance = new self();
        }

        return static::$instance;
    }

    /**
     * Initiate actions and filters.
     */
    public function init() {
        add_action( 'admin_menu', array( &$this, 'admin_menu' ) );
        add_action( 'admin_head', array( &$this, 'admin_head' ) );
        add_action( 'admin_notices', array( &$this, 'admin_notice' ) );
        add_filter( 'plugin_row_meta', array( &$this, 'plugin_row_meta' ), 10, 2 );
    }


    /**
     * Show disconnected admin notice.
     *
     * Show the Warning notice in case the site is not connected to MainWP Dashboard.
     *
     * @uses \MainWP\Child\MainWP_Child_Branding::get_branding_options()
     * @uses \MainWP\Child\MainWP_Child_Branding::is_branding()
     * @uses \MainWP\Child\MainWP_Child_Server_Information::render_warnings()
     */
    public function admin_notice() {
        // Admin Notice...
        if ( ! get_option( 'mainwp_child_pubkey' ) && MainWP_Helper::is_admin() && is_admin() ) {
            $branding_opts  = MainWP_Child_Branding::instance()->get_branding_options();
            $child_name     = ( '' === $branding_opts['branding_preserve_title'] ) ? 'MainWP Child' : $branding_opts['branding_preserve_title'];
            $dashboard_name = ( '' === $branding_opts['branding_preserve_title'] ) ? 'MainWP Dashboard' : $branding_opts['branding_preserve_title'] . ' Dashboard';

            $msg  = '<div style="margin:50px 20px 20px 0;background:#fff;border:1px solid #c3c4c7;border-top-color:#d63638;border-top-width:5px;padding:20px;">';
            $msg .= '<h3 style="margin-top:0;color:#d63638;font-weight:900;">' . esc_html__( 'Attention! ', 'mainwp-child' ) . $child_name . esc_html__( ' plugin is activated but not connected.', 'mainwp-child' ) . '</h3>';
            $msg .= '<p style="font-size:15px">' . esc_html__( 'Please add this site to your ', 'mainwp-child' ) . $dashboard_name . ' ' . esc_html__( 'NOW or deactivate the ', 'mainwp-child' ) . $child_name . esc_html__( ' plugin until you are ready to connect this site to your Dashboard in order to avoid unexpected security issues. ', 'mainwp-child' );
            $msg .= sprintf( esc_html__( 'If you are not sure how to do it, please review this %1$shelp document%2$s.', 'mainwp-child' ), '<a href="https://kb.mainwp.com/docs/add-site-to-your-dashboard/" target="_blank">', '</a>' ) . '</p>';
            if ( ! MainWP_Child_Branding::instance()->is_branding() ) {
                $msg .= '<p style="font-size:15px">' . esc_html__( 'You can also turn on the unique security ID option in ', 'mainwp-child' ) . $child_name . sprintf( esc_html__( ' %1$ssettings%2$s if you would like extra security and additional time to add this site to your Dashboard. ', 'maiwnip-child' ), '<a href="admin.php?page=mainwp_child_tab">', '</a>' );
                $msg .= sprintf( esc_html__( 'Find out more in this %1$shelp document%2$s how to do it.', 'mainwp-child' ), '<a href="https://kb.mainwp.com/docs/set-unique-security-id/" target="_blank">', '</a>' ) . '</p>';
            }
            $msg .= '</div>';
            echo wp_kses_post( $msg );
        }
        MainWP_Child_Server_Information::render_warnings();
    }

    /**
     * Add and remove Admin Menu Items dependant upon Branding settings.
     *
     * @uses \MainWP\Child\MainWP_Child_Branding::get_branding_options()
     */
    public function admin_menu() { //phpcs:ignore -- NOSONAR - complex method.
        $branding_opts      = MainWP_Child_Branding::instance()->get_branding_options();
        $is_hide            = isset( $branding_opts['hide'] ) ? $branding_opts['hide'] : '';
        $cancelled_branding = $branding_opts['cancelled_branding'];
        $uri                = isset( $_SERVER['REQUEST_URI'] ) ? esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ) : '';
        if ( isset( $branding_opts['remove_wp_tools'] ) && $branding_opts['remove_wp_tools'] && ! $cancelled_branding ) {
            remove_menu_page( 'tools.php' );
            $pos = $uri ? stripos( $uri, 'tools.php' ) || stripos( $uri, 'import.php' ) || stripos( $uri, 'export.php' ) : false;
            if ( false !== $pos ) {
                wp_safe_redirect( get_option( 'siteurl' ) . '/wp-admin/index.php' );
            }
        }
        // if preserve branding and do not remove menus.
        if ( isset( $branding_opts['remove_wp_setting'] ) && $branding_opts['remove_wp_setting'] && ! $cancelled_branding ) {
            remove_menu_page( 'options-general.php' );
            $pos = $uri ? ( stripos( $uri, 'options-general.php' ) || stripos( $uri, 'options-writing.php' ) || stripos( $uri, 'options-reading.php' ) || stripos( $uri, 'options-discussion.php' ) || stripos( $uri, 'options-media.php' ) || stripos( $uri, 'options-permalink.php' ) ) : false;
            if ( false !== $pos ) {
                wp_safe_redirect( get_option( 'siteurl' ) . '/wp-admin/index.php' );
                exit();
            }
        }

        if ( isset( $branding_opts['remove_permalink'] ) && $branding_opts['remove_permalink'] && ! $cancelled_branding ) {
            remove_submenu_page( 'options-general.php', 'options-permalink.php' );
            $pos = $uri ? stripos( $uri, 'options-permalink.php' ) : false;
            if ( false !== $pos ) {
                wp_safe_redirect( get_option( 'siteurl' ) . '/wp-admin/index.php' );
                exit();
            }
        }

        $remove_all_child_menu = false;
        if ( isset( $branding_opts['remove_setting'] ) && isset( $branding_opts['remove_restore'] ) && isset( $branding_opts['remove_server_info'] ) && $branding_opts['remove_setting'] && $branding_opts['remove_restore'] && $branding_opts['remove_server_info'] ) {
            $remove_all_child_menu = true;
        }

        // if preserve branding and do not hide menus.
        if ( ( ! $remove_all_child_menu && 'T' !== $is_hide ) || $cancelled_branding ) {

            $branding_header = isset( $branding_opts['branding_header'] ) ? $branding_opts['branding_header'] : array();
            if ( ( is_array( $branding_header ) && ! empty( $branding_header['name'] ) ) && ! $cancelled_branding ) {
                static::$brandingTitle = stripslashes( $branding_header['name'] );
                $child_menu_title      = stripslashes( $branding_header['name'] );
                $child_page_title      = $child_menu_title . ' Settings';
            } else {
                $child_menu_title = 'MainWP Child';
                $child_page_title = 'MainWP Child Settings';
            }
            $this->init_pages( $child_menu_title, $child_page_title );
        }
    }

    /**
     * Initiate MainWP Child Plugin pages.
     *
     * @param string $child_menu_title New MainWP Child Plugin title defined in branding settings.
     * @param string $child_page_title New MainWP Child Plugin page title defined in branding settings.
     *
     * @uses \MainWP\Child\MainWP_Clone_Page::get_class_name()
     */
    private function init_pages( $child_menu_title, $child_page_title ) { //phpcs:ignore -- NOSONAR - complex.

        $settingsPage = add_submenu_page( 'options-general.php', $child_page_title, $child_menu_title, 'manage_options', 'mainwp_child_tab', array( &$this, 'render_pages' ) );

        add_action( 'admin_print_scripts-' . $settingsPage, array( MainWP_Clone_Page::get_class_name(), 'print_scripts' ) );

        $sub_pages = array();

        $all_subpages = apply_filters_deprecated( 'mainwp-child-init-subpages', array( array() ), '4.0.7.1', 'mainwp_child_init_subpages' ); // NOSONAR - no IP.
        $all_subpages = apply_filters( 'mainwp_child_init_subpages', $all_subpages );

        if ( ! is_array( $all_subpages ) ) {
            $all_subpages = array();
        }

        if ( ! static::$subPagesLoaded ) {
            foreach ( $all_subpages as $page ) {
                $slug = isset( $page['slug'] ) ? $page['slug'] : '';
                if ( empty( $slug ) ) {
                    continue;
                }
                $subpage          = array();
                $subpage['slug']  = $slug;
                $subpage['title'] = $page['title'];
                $subpage['page']  = 'mainwp-' . str_replace( ' ', '-', strtolower( str_replace( '-', ' ', $slug ) ) );
                if ( isset( $page['callback'] ) ) {
                    $subpage['callback'] = $page['callback'];
                    $created_page        = add_submenu_page( 'options-general.php', $subpage['title'], '<div class="mainwp-hidden">' . $subpage['title'] . '</div>', 'manage_options', $subpage['page'], $subpage['callback'] );
                    if ( isset( $page['load_callback'] ) ) {
                        $subpage['load_callback'] = $page['load_callback'];
                        add_action( 'load-' . $created_page, $subpage['load_callback'] );
                    }
                }
                $sub_pages[] = $subpage;
            }
            static::$subPages       = $sub_pages;
            static::$subPagesLoaded = true;
        }
        add_action( 'mainwp-child-pageheader', array( __CLASS__, 'render_header' ) );
        add_action( 'mainwp-child-pagefooter', array( __CLASS__, 'render_footer' ) );

        /**
         * WordPress submenu array.
         *
         * @global array $submenu WordPress submenu array.
         */
        global $submenu;

        if ( isset( $submenu['options-general.php'] ) ) {
            foreach ( $submenu['options-general.php'] as $index => $item ) {
                if ( 'mainwp-reports-page' === $item[2] || 'mainwp-reports-settings' === $item[2] ) {
                    unset( $submenu['options-general.php'][ $index ] );
                }
            }
        }
    }

    /**
     * MainWP Child Plugin meta data.
     *
     * @param array  $plugin_meta Plugin meta.
     * @param string $plugin_file Plugin file.
     *
     * @return mixed The filtered value after all hooked functions are applied to it.
     */
    public function plugin_row_meta( $plugin_meta, $plugin_file ) {

        /**
         * MainWP Child instance.
         *
         * @global object
         */
        global $mainWPChild;

        if ( $mainWPChild->plugin_slug !== $plugin_file ) {
            return $plugin_meta;
        }
        return apply_filters( 'mainwp_child_plugin_row_meta', $plugin_meta, $plugin_file, $mainWPChild->plugin_slug );
    }

    /**
     * Render MainWP Child Plugin pages.
     *
     * @uses \MainWP\Child\MainWP_Child_Branding::get_branding_options()
     * @uses \MainWP\Child\MainWP_Child_Server_Information::render_page()
     * @uses \MainWP\Child\MainWP_Child_Server_Information::render_connection_details()
     * @uses \MainWP\Child\MainWP_Clone_Page::render()
     * @uses \MainWP\Child\MainWP_Clone_Page::render_normal_restore()
     * @uses \MainWP\Child\MainWP_Clone_Page::render_restore()
     */
    public function render_pages() { // phpcs:ignore -- NOSONAR - Current complexity is the only way to achieve desired results, pull request solutions appreciated.
        $shownPage     = isset( $_GET['tab'] ) ? sanitize_text_field( wp_unslash( $_GET['tab'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification
        $branding_opts = MainWP_Child_Branding::instance()->get_branding_options();

        $hide_settings          = isset( $branding_opts['remove_setting'] ) && $branding_opts['remove_setting'] ? true : false;
        $hide_restore           = isset( $branding_opts['remove_restore'] ) && $branding_opts['remove_restore'] ? true : false;
        $hide_server_info       = isset( $branding_opts['remove_server_info'] ) && $branding_opts['remove_server_info'] ? true : false;
        $hide_connection_detail = isset( $branding_opts['remove_connection_detail'] ) && $branding_opts['remove_connection_detail'] ? true : false;

        if ( '' === $shownPage ) {
            if ( ! $hide_settings ) {
                    $shownPage = 'settings';
            } elseif ( ! $hide_restore ) {
                $shownPage = 'restore-clone';
            } elseif ( ! $hide_server_info ) {
                $shownPage = 'server-info';
            } elseif ( ! $hide_connection_detail ) {
                $shownPage = 'connection-detail';
            }
        }

        static::render_header( $shownPage, false, $show_clones );

        if ( is_null( $show_clones ) ) {
            $show_clones = true;
        }

        ?>
        <?php if ( ! $hide_settings ) { ?>
            <div class="mainwp-child-setting-tab settings" <?php echo 'settings' !== $shownPage ? 'style="display:none"' : ''; ?>>
                <?php $this->render_settings(); ?>
            </div>
        <?php } ?>

        <?php
        if ( ! $hide_restore && $show_clones ) {
            $fsmethod = MainWP_Child_Server_Information_Base::get_file_system_method();
            if ( 'direct' === $fsmethod ) { // to fix error some case of file system method is not direct.
                ?>
            <div class="mainwp-child-setting-tab restore-clone" <?php echo 'restore-clone' !== $shownPage ? 'style="display:none"' : ''; ?>>
                <?php
                if ( isset( $_SESSION['file'] ) ) {
                    MainWP_Clone_Page::render_restore();
                } else {
                    $sitesToClone = get_option( 'mainwp_child_clone_sites' );
                    if ( 0 !== (int) $sitesToClone ) {
                        MainWP_Clone_Page::render();
                    } else {
                        MainWP_Clone_Page::render_normal_restore();
                    }
                }
                ?>
            </div>
            <?php } ?>
        <?php } ?>

        <?php if ( ! $hide_server_info ) { ?>
            <div class="mainwp-child-setting-tab server-info" <?php echo 'server-info' !== $shownPage ? 'style="display:none"' : ''; ?>>
                <?php MainWP_Child_Server_Information::render_page(); ?>
            </div>
        <?php } ?>

            <?php if ( ! $hide_connection_detail ) { ?>
            <div class="mainwp-child-setting-tab connection-detail" <?php echo 'connection-detail' !== $shownPage ? 'style="display:none"' : ''; ?>>
                    <?php MainWP_Child_Server_Information::render_connection_details(); ?>
            </div>
        <?php } ?>
        <?php
        static::render_footer();
    }

    /**
     * Render page header.
     *
     * @param string $shownPage Page shown.
     * @param bool   $subpage Whether or not a subpage. Default: true.
     * @param bool   $show_clone_funcs Whether or not to show clone tabs.
     *
     * @uses \MainWP\Child\MainWP_Child_Branding::get_branding_options()
     */
    public static function render_header( $shownPage, $subpage = true, &$show_clone_funcs = true ) { // phpcs:ignore -- NOSONAR - Current complexity is the only way to achieve desired results, pull request solutions appreciated.
        $tab = isset( $_GET['tab'] ) ? sanitize_text_field( wp_unslash( $_GET['tab'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification

        if ( ! empty( $tab ) ) {
            $shownPage = $tab;
        }

        if ( empty( $shownPage ) ) {
            $shownPage = 'settings';
        }

        $branding_opts = MainWP_Child_Branding::instance()->get_branding_options();

        $hide_settings          = isset( $branding_opts['remove_setting'] ) && $branding_opts['remove_setting'] ? true : false;
        $hide_restore           = isset( $branding_opts['remove_restore'] ) && $branding_opts['remove_restore'] ? true : false;
        $hide_server_info       = isset( $branding_opts['remove_server_info'] ) && $branding_opts['remove_server_info'] ? true : false;
        $hide_connection_detail = isset( $branding_opts['remove_connection_detail'] ) && $branding_opts['remove_connection_detail'] ? true : false;

        $sitesToClone = get_option( 'mainwp_child_clone_sites' );

        // put here to support hooks to show header.
        $is_connected_admin = false;
        $connected          = ! empty( get_option( 'mainwp_child_pubkey' ) ) ? true : false;
        if ( $connected ) {
            $current_user = wp_get_current_user();
            if ( $current_user ) {
                $is_connected_admin = get_option( 'mainwp_child_connected_admin' ) === $current_user->user_login ? true : false;
            }
        }
        $show_clone_funcs = $connected && $is_connected_admin ? true : false;

        ?>
        <style type="text/css">
            .mainwp-tabs
            {
                margin-top: 2em;
                border-bottom: 1px solid #e5e5e5;
            }

            #mainwp-tabs {
                clear: both ;
            }
            #mainwp-tabs .nav-tab-active {
                background: #fafafa ;
                border-top: 1px solid #7fb100 !important;
                border-left: 1px solid #e5e5e5;
                border-right: 1px solid #e5e5e5;
                border-bottom: 1px solid #fafafa !important ;
                color: #7fb100;
            }

            #mainwp-tabs .nav-tab {
                border-top: 1px solid #e5e5e5;
                border-left: 1px solid #e5e5e5;
                border-right: 1px solid #e5e5e5;
                border-bottom: 1px solid #e5e5e5;
                padding: 10px 16px;
                font-size: 14px;
                text-transform: uppercase;
            }

            #mainwp_wrap-inside {
                min-height: 80vh;
                height: 100% ;
                margin-top: 0em ;
                padding: 10px ;
                background: #fafafa ;
                border-top: none ;
                border-bottom: 1px solid #e5e5e5;
                border-left: 1px solid #e5e5e5;
                border-right: 1px solid #e5e5e5;
                box-shadow: 0 1px 1px rgba(0,0,0,.04);
                position: relative;
            }

            #mainwp_wrap-inside h2.hndle {
                font-size: 14px;
                padding: 8px 12px;
                margin: 0;
                line-height: 1.4;
            }

            .mainwp-hidden {
                display: none;
            }
        </style>

        <div class="wrap">
        <h2><i class="fa fa-file"></i> <?php echo esc_html( null === static::$brandingTitle ? 'MainWP Child' : static::$brandingTitle ); ?></h2>
        <div style="clear: both;"></div><br/>
        <div class="mainwp-tabs" id="mainwp-tabs">
            <?php if ( ! $hide_settings ) { ?>
                <a class="nav-tab pos-nav-tab
                <?php
                if ( 'settings' === $shownPage ) {
                    echo 'nav-tab-active';
                }
                ?>
" tab-slug="settings" href="<?php echo $subpage ? 'options-general.php?page=mainwp_child_tab&tab=settings' : '#'; ?>" style="margin-left: 0 !important;"><?php esc_html_e( 'Settings', 'mainwp-child' ); ?></a>
            <?php } ?>
            <?php if ( ! $hide_restore && $show_clone_funcs ) { ?>
                <a class="nav-tab pos-nav-tab
                <?php
                if ( 'restore-clone' === $shownPage ) {
                    echo 'nav-tab-active';
                }
                ?>
" tab-slug="restore-clone" href="<?php echo esc_url( $subpage ? 'options-general.php?page=mainwp_child_tab&tab=restore-clone' : '#' ); ?>"><?php echo esc_html__( 0 !== (int) $sitesToClone ? 'Restore / Clone' : 'Restore', 'mainwp-child' ); ?></a>
            <?php } ?>
            <?php if ( ! $hide_server_info ) { ?>
                <a class="nav-tab pos-nav-tab
                <?php
                if ( 'server-info' === $shownPage ) {
                    echo 'nav-tab-active';
                }
                ?>
" tab-slug="server-info" href="<?php echo $subpage ? 'options-general.php?page=mainwp_child_tab&tab=server-info' : '#'; ?>"><?php esc_html_e( 'Server information', 'mainwp-child' ); ?></a>
            <?php } ?>
                        <?php if ( ! $hide_connection_detail ) { ?>
                <a class="nav-tab pos-nav-tab
                            <?php
                            if ( 'connection-detail' === $shownPage ) {
                                echo 'nav-tab-active';
                            }
                            ?>
" tab-slug="connection-detail" href="<?php echo $subpage ? 'options-general.php?page=mainwp_child_tab&tab=connection-detail' : '#'; ?>"><?php esc_html_e( 'Connection Details', 'mainwp-child' ); ?></a>
            <?php } ?>
            <?php
            if ( isset( static::$subPages ) && is_array( static::$subPages ) ) {
                foreach ( static::$subPages as $subPage ) {
                    ?>
                    <a class="nav-tab pos-nav-tab
                    <?php
                    if ( $shownPage === $subPage['slug'] ) {
                        echo 'nav-tab-active';
                    }
                    ?>
" tab-slug="<?php echo esc_attr( $subPage['slug'] ); ?>" href="options-general.php?page=<?php echo esc_html( rawurlencode( $subPage['page'] ) ); ?>"><?php echo esc_html( $subPage['title'] ); ?></a>
                    <?php
                }
            }
            ?>
            <div style="clear:both;"></div>
        </div>
        <div style="clear:both;"></div>
        <script type="text/javascript">
            jQuery( document ).ready( function () {
                $hideMenu = jQuery( '#menu-settings li a .mainwp-hidden' );
                $hideMenu.each( function() {
                    jQuery( this ).closest( 'li' ).hide();
                } );

                var $tabs = jQuery( '.mainwp-tabs' );

                $tabs.on( 'click', 'a', function () {
                    if ( jQuery( this ).attr( 'href' ) !=='#' )
                        return true;

                    jQuery( '.mainwp-tabs > a' ).removeClass( 'nav-tab-active' );
                    jQuery( this ).addClass( 'nav-tab-active' );
                    jQuery( '.mainwp-child-setting-tab' ).hide();
                    var _tab = jQuery( this ).attr( 'tab-slug' );
                    jQuery( '.mainwp-child-setting-tab.' + _tab ).show();
                    return false;
                } );
            } );
        </script>

        <div id="mainwp_wrap-inside">

        <?php
    }

    /**
     * Render page footer.
     */
    public static function render_footer() {
        ?>
        </div>
        </div>
        <?php
    }

    /**
     * Render admin header.
     */
    public function admin_head() {
        if ( isset( $_GET['page'] ) && 'mainwp_child_tab' === $_GET['page'] ) { // phpcs:ignore WordPress.Security.NonceVerification
            ?>
            <style type="text/css">
                .mainwp-postbox-actions-top {
                    padding: 10px;
                    clear: both;
                    border-bottom: 1px solid #ddd;
                    background: #f5f5f5;
                }
                h3.mainwp_box_title {
                    font-family: "Open Sans",sans-serif;
                    font-size: 14px;
                    font-weight: 600;
                    line-height: 1.4;
                    margin: 0;
                    padding: 8px 12px;
                    border-bottom: 1px solid #eee;
                }
                .mainwp-child-setting-tab.connection-detail .postbox .inside{
                    margin: 0;
                    padding: 0;
                }
            </style>
            <?php
        }
    }

    /**
     * Render connection settings sub page.
     *
     * @uses \MainWP\Child\MainWP_Helper::update_option()
     */
    public function render_settings() {
        // phpcs:disable WordPress.Security.NonceVerification
        if ( isset( $_POST['submit'] ) && isset( $_POST['nonce'] ) && wp_verify_nonce( sanitize_text_field( wp_unslash( $_POST['nonce'] ) ), 'child-settings' ) ) {
            if ( isset( $_POST['requireUniqueSecurityId'] ) ) {
                MainWP_Helper::update_option( 'mainwp_child_uniqueId', MainWP_Helper::rand_string( 12 ) );
            } else {
                MainWP_Helper::update_option( 'mainwp_child_uniqueId', '' );
            }
        }
        // phpcs:enable
        ?>
        <div class="postbox">
            <h2 class="hndle"><span><?php esc_html_e( 'Connection settings', 'mainwp-child' ); ?></span></h2>
            <div class="inside">
                <form method="post" action="options-general.php?page=mainwp_child_tab">
                    <div class="howto"><?php esc_html_e( 'The unique security ID adds additional protection between the child plugin and your Dashboard. The unique security ID will need to match when being added to the Dashboard. This is additional security and should not be needed in most situations.', 'mainwp-child' ); ?></div>
                    <div style="margin: 1em 0 4em 0;">
                        <input name="requireUniqueSecurityId" type="checkbox" id="requireUniqueSecurityId"
                        <?php
                        $uniqueId = MainWP_Helper::get_site_unique_id();
                        if ( ! empty( $uniqueId ) ) {
                            echo 'checked';
                        }
                        ?>
                        />
                        <label for="requireUniqueSecurityId" style="font-size: 15px;"><?php esc_html_e( 'Require unique security ID', 'mainwp-child' ); ?></label>
                    </div>
                    <div>
                        <?php
                        if ( ! empty( $uniqueId ) ) {
                            echo '<span style="border: 1px dashed #e5e5e5; background: #fafafa; font-size: 24px; padding: 1em 2em;">' . esc_html__( 'Your unique security ID is:', 'mainwp-child' ) . ' <span style="font-weight: bold; color: #7fb100;">' . esc_html( get_option( 'mainwp_child_uniqueId' ) ) . '</span></span>';
                        }
                        ?>
                    </div>
                    <p class="submit" style="margin-top: 4em;">
                        <input type="submit" name="submit" id="submit" class="button button-primary button-hero" value="<?php esc_attr_e( 'Save changes', 'mainwp-child' ); ?>">
                    </p>
                    <input type="hidden" name="nonce" value="<?php echo esc_attr( wp_create_nonce( 'child-settings' ) ); ?>">
                </form>
            </div>
        </div>

        <?php
    }
}
