<?php
/**
 * MainWP Child Jetpack Protect.
 *
 * MainWP Jetpack Protect Extension handler.
 *
 * @link https://mainwp.com/extension/jetpack-protect/
 *
 * @package MainWP\Child
 *
 * Credits
 *
 * Plugin-Name: Jetpack Protect
 * Plugin URI: https://wordpress.org/plugins/jetpack-protect/
 * Author: Automattic
 * Author URI: https://jetpack.com/
 *
 * The code is used for the MainWP Jetpack Protect Extension
 * Extension URL: https://mainwp.com/extension/jetpack-protect/
 */

namespace MainWP\Child;

// phpcs:disable PSR1.Classes.ClassDeclaration, WordPress.WP.AlternativeFunctions -- Required to achieve desired results. Pull requests appreciated.

/**
 * Class MainWP_Child_Jetpack_Protect
 *
 * MainWP Staging Extension handler.
 */
class MainWP_Child_Jetpack_Protect {

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

    /**
     * Public variable to hold the information if the WP Staging plugin is installed on the child site.
     *
     * @var bool If WP Staging intalled, return true, if not, return false.
     */
    public $is_plugin_installed = false;

    /**
     * Public variable to hold the information if the WP Staging plugin is installed on the child site.
     *
     * @var string version string.
     */
    public $plugin_version = false;

    /**
     * Private variable to hold the Jetpack Connection information.
     *
     * @var string version string.
     */
    private $connection = null;

    /**
     * Create a public static instance of MainWP_Child_Jetpack_Protect.
     *
     * @return MainWP_Child_Jetpack_Protect
     */
    public static function instance() {
        if ( null === static::$instance ) {
            static::$instance = new self();
        }
        return static::$instance;
    }

    /**
     * MainWP_Child_Jetpack_Protect constructor.
     *
     * Run any time class is called.
     */
    public function __construct() {
        require_once ABSPATH . 'wp-admin/includes/plugin.php'; // NOSONAR - WP compatible.
        if ( is_plugin_active( 'jetpack-protect/jetpack-protect.php' ) && defined( 'JETPACK_PROTECT_DIR' ) ) {
            $this->is_plugin_installed = true;
        }

        if ( ! $this->is_plugin_installed ) {
            return;
        }

        add_filter( 'mainwp_site_sync_others_data', array( $this, 'sync_others_data' ), 10, 2 );

        if ( 'hide' === get_option( 'mainwp_child_jetpack_protect_hide_plugin' ) ) {
            add_filter( 'all_plugins', array( $this, 'hook_all_plugins' ) );
            add_action( 'admin_menu', array( $this, 'hook_remove_menu' ) );
            add_action( 'admin_head', array( $this, 'admin_head' ) );
            add_filter( 'site_transient_update_plugins', array( &$this, 'hook_remove_update_nag' ) );
            add_filter( 'mainwp_child_hide_update_notice', array( &$this, 'hook_hide_update_notice' ) );
        }
    }

    /**
     * Load connection manager object.
     *
     * @return object An array of available clones.
     */
    public function load_connection_manager() {
        if ( null === $this->connection ) {
            MainWP_Helper::instance()->check_classes_exists( '\Automattic\Jetpack\Connection\Manager' );
            $this->connection = new \Automattic\Jetpack\Connection\Manager();
        }
        return $this->connection;
    }

    /**
     * Sync others data.
     *
     * Get an array of available clones of this Child Sites.
     *
     * @param array $information Holder for available clones.
     * @param array $data Array of existing clones.
     *
     * @uses MainWP_Child_Jetpack_Protect::get_sync_data()
     *
     * @return array $information An array of available clones.
     */
    public function sync_others_data( $information, $data = array() ) {
        if ( isset( $data['sync_JetpackProtect'] ) && $data['sync_JetpackProtect'] ) {
            try {
                $this->load_connection_manager();
                MainWP_Helper::instance()->check_methods( $this->connection, 'is_connected' );
                $status                                  = $this->get_sync_data();
                $information['sync_JetpackProtect_Data'] = array(
                    'status'    => $status['status'],
                    'connected' => $this->connection->is_connected(),
                );

                if ( MainWP_Helper::instance()->check_classes_exists( '\Automattic\Jetpack\My_Jetpack\Products\Scan', true ) ) {
                    $protect_san = new \Automattic\Jetpack\My_Jetpack\Products\Scan();
                    if ( MainWP_Helper::instance()->check_methods( $protect_san, 'is_active', true ) ) {
                        $information['sync_JetpackProtect_Data']['is_active'] = $protect_san::is_active() ? 1 : 0;
                    }
                }
            } catch ( MainWP_Exception $e ) {
                // error!
            }
        }
        return $information;
    }

    /**
     * Fires off MainWP_Child_Jetpack_Protect::get_overview().
     *
     * @uses MainWP_Child_Jetpack_Protect::get_overview()
     * @return array An array of available clones.
     */
    public function get_sync_data() {
        return $this->get_scan_status();
    }


    /**
     * Fires of certain Jetpack Protect plugin actions.
     */
    public function action() { // phpcs:ignore -- NOSONAR - ignore complex method notice.
        if ( ! $this->is_plugin_installed ) {
            MainWP_Helper::write( array( 'error' => __( 'Please install Jetpack Protect plugin on child website', 'mainwp-child' ) ) );
        }

        $information = array();

        $mwp_action = MainWP_System::instance()->validate_params( 'mwp_action' );
        if ( ! empty( $mwp_action ) ) {
            try {
                $this->load_connection_manager();
                switch ( $mwp_action ) {
                    case 'set_showhide':
                        $information = $this->set_showhide();
                        break;
                    case 'set_connect_disconnect':
                        $information = $this->set_connect_disconnect();
                        break;
                    default:
                        break;
                }
            } catch ( MainWP_Exception $e ) {
                $information = array( 'error' => $e->getMessage() );
            }
        }
        MainWP_Helper::write( $information );
    }

    /**
     * Sets whether or not to hide the Jetpack Protect Plugin.
     *
     * @return array $information Action result.
     *
     * @uses \MainWP\Child\MainWP_Helper::update_option()
     */
    public function set_showhide() {
        $hide = MainWP_System::instance()->validate_params( 'showhide' );
        MainWP_Helper::update_option( 'mainwp_child_jetpack_protect_hide_plugin', $hide, 'yes' );
        $information['result'] = 'SUCCESS';
        return $information;
    }

    /**
     * Set JP connect.
     *
     * @return array $return connect result.
     */
    public function set_connect_disconnect() {
        $status = isset( $_POST['status'] ) ? sanitize_text_field( wp_unslash( $_POST['status'] ) ) : ''; // phpcs:ignore WordPress.Security.NonceVerification

        $result = array();

        if ( 'connect' === $status ) {
            MainWP_Helper::instance()->check_methods( $this->connection, array( 'set_plugin_instance', 'try_registration', 'is_connected' ) );

            MainWP_Helper::instance()->check_classes_exists( array( '\Automattic\Jetpack\Connection\Plugin_Storage', '\Automattic\Jetpack\Connection\Plugin' ) );
            MainWP_Helper::instance()->check_methods( '\Automattic\Jetpack\Connection\Plugin_Storage', 'get_one' );

            $response = $this->connection->try_registration();

            if ( is_wp_error( $response ) ) {
                $result = array( 'error' => $response->get_error_message() );
            } else {
                $result = array(
                    'code'      => 'success',
                    'connected' => $this->connection->is_connected(),
                );
            }

            return $result;

        } elseif ( 'disconnect' === $status ) {
            MainWP_Helper::instance()->check_methods( $this->connection, array( 'is_connected', 'disconnect_site' ) );
            if ( $this->connection->is_connected() ) {
                $this->connection->disconnect_site();
                return array(
                    'code'      => 'success',
                    'connected' => $this->connection->is_connected(),
                );
            }
            $result = array(
                'code'  => 'disconnect_failed',
                'error' => esc_html__( 'Failed to disconnect the site as it appears already disconnected.', 'mainwp-child' ),
            );
        }

        if ( empty( $result ) ) {
            $result = array( 'code' => 'invalid_data' );
        }

        return $result;
    }

    /**
     * Get scan status.
     *
     * @return array $return scan result.
     */
    public function get_scan_status() {
        $version_error = false;
        try {
            MainWP_Helper::instance()->check_classes_exists( '\Automattic\Jetpack\Protect\Status' );
            MainWP_Helper::instance()->check_methods( '\Automattic\Jetpack\Protect\Status', 'get_status' );
            return array(
                'status' => \Automattic\Jetpack\Protect\Status::get_status(),
            );
        } catch ( MainWP_Exception $e ) {
            $version_error = true;
        }

        if ( $version_error ) {
            MainWP_Helper::instance()->check_classes_exists( '\Automattic\Jetpack\Protect_Status\Status' );
            MainWP_Helper::instance()->check_methods( '\Automattic\Jetpack\Protect_Status\Status', 'get_status' );
            return array(
                'status' => \Automattic\Jetpack\Protect_Status\Status::get_status(),
            );
        }
        return array();
    }

    /**
     * Get list of all plugins except WPStaging.
     *
     * @param array $plugins All installed plugins.
     * @return mixed Returned array of plugins without WPStaging included.
     */
    public function hook_all_plugins( $plugins ) {
        foreach ( $plugins as $key => $value ) {
            $plugin_slug = basename( $key, '.php' );
            if ( 'jetpack-protect' === $plugin_slug ) {
                unset( $plugins[ $key ] );
            }
        }

        return $plugins;
    }

    /**
     * Remove the plugin menu.
     */
    public function hook_remove_menu() {
        remove_menu_page( 'jetpack-protect' );
        $pos = isset( $_SERVER['REQUEST_URI'] ) ? stripos( sanitize_text_field( wp_unslash( $_SERVER['REQUEST_URI'] ) ), 'admin.php?page=jetpack-protect' ) : false;
        if ( false !== $pos ) {
            wp_safe_redirect( get_option( 'siteurl' ) . '/wp-admin/index.php' );
            exit();
        }
    }

    /**
     * Hide plugin menus.
     */
    public function admin_head() {
        ?>
        <style type="text/css">
            #wp-admin-bar-jetpack-protect{
                display: none !important;
            }
            #toplevel_page_jetpack{
                display: none !important;
            }
        </style>
        <?php
    }


    /**
     * Hide all admin update notices.
     *
     * @param array $slugs WPStaging plugin slug.
     * @return mixed Returned $slugs.
     */
    public function hook_hide_update_notice( $slugs ) {
        $slugs[] = 'jetpack-protect/jetpack-protect.php';

        return $slugs;
    }

    /**
     * Remove WPStaging update Nag message.
     *
     * @param array $value WPStaging slug.
     * @return mixed $value Response array.
     *
     * @uses \MainWP\Child\MainWP_Helper::is_updates_screen()
     */
    public function hook_remove_update_nag( $value ) {
        if ( MainWP_Helper::is_dashboard_request() ) {
            return $value;
        }

        if ( ! MainWP_Helper::is_updates_screen() ) {
            return $value;
        }

        if ( isset( $value->response['jetpack-protect/jetpack-protect.php'] ) ) {
            unset( $value->response['jetpack-protect/jetpack-protect.php'] );
        }
        return $value;
    }
}