<?php
/**
 * MainWP Database Controller
 *
 * This file handles all interactions with the DB.
 *
 * @package MainWP/Dashboard
 */

namespace MainWP\Dashboard;

/**
 * Class MainWP_DB_Common
 *
 * @package MainWP\Dashboard
 */
class MainWP_DB_Common extends MainWP_DB { // phpcs:ignore Generic.Classes.OpeningBraceSameLine.ContentAfterBrace -- NOSONAR.

    // phpcs:disable WordPress.DB.RestrictedFunctions,WordPress.DB.PreparedSQL.NotPrepared,Generic.Metrics.CyclomaticComplexity -- This is the only way to achieve desired results, pull request solutions appreciated.

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

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

    /**
     * Method get_last_sync_status()
     *
     * Get last sync status.
     *
     * @return string $return all_synced|not_synced|last_sync
     */
    public function get_last_sync_status() {
        $sql      = $this->get_sql_websites_for_current_user();
        $websites = $this->query( $sql );

        $return = array(
            'sync_status' => false,
            'last_sync'   => 0,
        );

        if ( ! $websites ) {
            $return['sync_status'] = 'all_synced';
            return $return;
        }

        $total_sites  = 0;
        $synced_sites = 0;
        $last_sync    = 0;
        static::data_seek( $websites, 0 );
        while ( $websites && ( $website      = static::fetch_object( $websites ) ) ) {
            if ( empty( $website ) || '' !== $website->sync_errors ) {
                continue;
            }
            ++$total_sites;
            if ( 60 * 60 * 24 > time() - $website->dtsSync ) {
                ++$synced_sites;
            }
            if ( $last_sync < $website->dtsSync ) {
                $last_sync = $website->dtsSync;
            }
        }

        if ( $total_sites === $synced_sites ) {
            $return['sync_status'] = 'all_synced';
        } elseif ( 0 === $synced_sites ) {
            $return['sync_status'] = 'not_synced';
        }
        $return['last_sync'] = $last_sync;
        return $return;
    }

    /**
     * Method get_group_by_name()
     *
     * Get group by name.
     *
     * @param mixed $name Group name.
     * @param null  $userid user ID.
     *
     * @return object|null Database query result for chosen group name or null on failure
     *
     * @uses \MainWP\Dashboard\MainWP_System::is_multi_user()
     */
    public function get_group_by_name( $name, $userid = null ) {
        if ( ( null === $userid ) && MainWP_System::instance()->is_multi_user() ) {

            /**
             * Current user global.
             *
             * @global string
             */
            global $current_user;

            $userid = $current_user->ID;
        }
        $where  = ( null !== $userid ) ? ' AND userid=' . intval( $userid ) : '';
        $where .= $this->get_sql_where_allow_groups();

        $table_group = esc_sql( $this->table_name( 'group' ) );
        return $this->wpdb->get_row( $this->wpdb->prepare( "SELECT * FROM `{$table_group}` WHERE 1 " . esc_sql( $where ) . " AND name= %s", $this->escape( $name ) ) );
    }

    /**
     * Method get_group_by_id()
     *
     * Get group by ID.
     *
     * @param mixed $id Group ID.
     *
     * @return object|null Database query result for chosen Group ID or null on failure.
     *
     * @uses \MainWP\Dashboard\MainWP_Utility::ctype_digit()
     */
    public function get_group_by_id( $id ) {
        if ( MainWP_Utility::ctype_digit( $id ) ) {
            $table_group = esc_sql( $this->table_name( 'group' ) );
            return $this->wpdb->get_row( $this->wpdb->prepare( "SELECT * FROM `{$table_group}` WHERE id= %d", $id ) );
        }

        return null;
    }

    /**
     * Method get_groups_for_manage_sites()
     *
     * Get groups for mananged sites.
     *
     * @return object|null Database query result for Managed Sites Groups or null on failure.
     *
     * @uses \MainWP\Dashboard\MainWP_System::is_multi_user()
     */
    public function get_groups_for_manage_sites() {
        $where = ' 1 ';
        if ( MainWP_System::instance()->is_multi_user() ) {

            /**
             * Current user global.
             *
             * @global string
             */
            global $current_user;

            $where = ' userid = ' . $current_user->ID . ' ';
        }
        $with_staging    = 'yes';
        $staging_enabled = is_plugin_active( 'mainwp-staging-extension/mainwp-staging-extension.php' ) || is_plugin_active( 'mainwp-timecapsule-extension/mainwp-timecapsule-extension.php' );

        if ( ! $staging_enabled ) {
            $with_staging = 'no';
        }

        $where .= $this->get_sql_where_allow_groups( '', $with_staging );

        $table_group = esc_sql( $this->table_name( 'group' ) );
        return $this->wpdb->get_results( "SELECT * FROM `{$table_group}` WHERE " . esc_sql( $where ) . " ORDER BY name", OBJECT_K );
    }


    /**
     * Method get_sql_version_compare().
     *
     * @param string $coln Column compare.
     * @param string $operator Operator compare.
     * @param string $ver_str Version compare.
     *
     * @return string Sql version compare.
     */
    public function get_sql_version_compare( $coln, $operator, $ver_str ) {
        // It's safe since it's not user input, but the AI still suggests escaping it.
        return ' INET_ATON( SUBSTRING_INDEX( CONCAT( SUBSTRING_INDEX(' . $this->escape( $coln ) . ", '-', 1), '.0.0.0.0' ), '.', 4) ) " .
        $this->escape( $operator ) . " INET_ATON('" . $this->escape( $ver_str ) . "') ";
    }

    /**
     * Method get_groups_for_current_user()
     *
     * Get groups for current user.
     *
     * @return object|null Database query result for Current User Groups or null on failure.
     *
     * @uses \MainWP\Dashboard\MainWP_System::is_multi_user()
     */
    public function get_groups_for_current_user() {
        $where = ' 1 ';
        if ( MainWP_System::instance()->is_multi_user() ) {

            /**
             * Current user global.
             *
             * @global string
             */
            global $current_user;

            $where = ' userid = ' . $current_user->ID . ' ';
        }
        $where .= $this->get_sql_where_allow_groups();

        $table_group = esc_sql( $this->table_name( 'group' ) );
        return $this->wpdb->get_results( "SELECT * FROM `{$table_group}` WHERE " . esc_sql( $where ) . " ORDER BY name", OBJECT_K );
    }

    /**
     * Method get_groups_by_website_id()
     *
     * Get groups by website ID.
     *
     * @param mixed $websiteid Child Site ID.
     *
     * @return object|null Database query result for groups by website ID or null on failure.
     *
     * @uses \MainWP\Dashboard\MainWP_Utility::ctype_digit()
     */
    public function get_groups_by_website_id( $websiteid ) {
        if ( MainWP_Utility::ctype_digit( $websiteid ) ) {
            $table_group = esc_sql( $this->table_name( 'group' ) );
            $table_wp_group = esc_sql( $this->table_name( 'wp_group' ) );
            return $this->wpdb->get_results(
                $this->wpdb->prepare(
                    "SELECT * FROM `{$table_group}` gr JOIN `{$table_wp_group}` wpgr ON gr.id = wpgr.groupid WHERE wpgr.wpid = %d ORDER BY name",
                    $websiteid
                ),
                OBJECT_K
            );
        }

        return null;
    }

    /**
     * Medthod get_groups_and_count()
     *
     * Get groups and count.
     *
     * @param null $userid      Current user ID.
     * @param bool $for_manager Default: false.
     *
     * @return object|null Database query result for groups and count or null on failure.
     *
     * @uses \MainWP\Dashboard\MainWP_System::is_multi_user()
     */
    public function get_groups_and_count( $userid = null, $for_manager = false ) {
        if ( ( null === $userid ) && MainWP_System::instance()->is_multi_user() ) {

            /**
             * Current user global.
             *
             * @global string
             */
            global $current_user;

            $userid = $current_user->ID;
        }

        $where = '';

        if ( ! empty( $userid ) ) {
            $where = ' AND gr.userid = ' . intval( $userid );
        }

        if ( ! $for_manager ) {
            $where .= $this->get_sql_where_allow_groups( 'gr' );
        }

        $table_group = esc_sql( $this->table_name( 'group' ) );
        $table_wp_group = esc_sql( $this->table_name( 'wp_group' ) );
        $where = esc_sql( $where );
        return $this->wpdb->get_results( "SELECT gr.*, COUNT(DISTINCT(wpgr.wpid)) as nrsites FROM `{$table_group}` gr LEFT JOIN `{$table_wp_group}` wpgr ON gr.id = wpgr.groupid WHERE 1 {$where} GROUP BY gr.id ORDER BY gr.name", OBJECT_K );
    }


    /**
     * Medthod get_groups_and_count()
     *
     * Get groups and count.
     *
     * @since 5.1.1
     *
     * @param array $params      params.
     *
     * @return object|null Database query result for groups and count or null on failure.
     */
    public function get_tags( $params = array() ) { //phpcs:ignore -- NOSONAR - complex.

        $s       = '';
        $exclude = array();
        $include = array();
        $limit   = '';

        $where  = '';
        $select = '';

        if ( $params && is_array( $params ) ) {
            $s              = isset( $params['s'] ) ? $params['s'] : '';
            $exclude        = isset( $params['exclude'] ) ? wp_parse_id_list( $params['exclude'] ) : array();
            $include        = isset( $params['include'] ) ? wp_parse_id_list( $params['include'] ) : array();
            $page           = isset( $params['page'] ) ? intval( $params['page'] ) : false;
            $per_page       = isset( $params['per_page'] ) ? intval( $params['per_page'] ) : false;
            $with_sites_ids = isset( $params['with_sites_ids'] ) && $params['with_sites_ids'] ? true : false;

            if ( $with_sites_ids ) {
                $select .= ', wp_tagview.* ';
            }

            if ( ! empty( $s ) ) {
                $where .= ' AND ( gr.name LIKE "%' . $this->escape( $s ) . '%" OR gr.id LIKE "%' . $this->escape( $s ) . '%" ) ';
            }

            if ( ! empty( $exclude ) ) {
                $where .= ' AND  gr.id NOT IN (' . implode( ',', $exclude ) . ') ';
            }

            if ( ! empty( $include ) ) {
                $where .= ' AND  gr.id IN (' . implode( ',', $include ) . ') ';
            }

            if ( ! empty( $page ) && ! empty( $per_page ) ) {
                $limit = ' LIMIT ' . ( $page - 1 ) * $per_page . ',' . $per_page;
            }

            $join = '';

            if ( $with_sites_ids ) {
                $join = ' JOIN ' . $this->get_tag_view() . ' wp_tagview ON gr.id = wp_tagview.id ';
            }
        }
        $table_group = esc_sql( $this->table_name( 'group' ) );
        $table_wp_group = esc_sql( $this->table_name( 'wp_group' ) );
        return $this->wpdb->get_results( "SELECT gr.* " . esc_sql( $select ) . ", COUNT(DISTINCT(wpgr.wpid)) as count_sites FROM `{$table_group}` gr LEFT JOIN `{$table_wp_group}` wpgr ON gr.id = wpgr.groupid " . esc_sql( $join ) . " WHERE 1 " . esc_sql( $where ) . " GROUP BY gr.id ORDER BY gr.name " . esc_sql( $limit ), OBJECT_K );
    }

    /**
     * Method get_tag_view().
     *
     * @return string tag view.
     */
    public function get_tag_view() {
        $view  = "( SELECT intgr.id, ( SELECT GROUP_CONCAT(wp.id ORDER BY wp.id SEPARATOR ',') FROM `" . $this->table_name( 'wp' ) . "` wp ";
        $view .= " LEFT JOIN `" . $this->table_name( 'wp_group' ) . "` wpgr ON wp.id = wpgr.wpid WHERE wpgr.groupid = intgr.id ) as sites_ids ";
        $view .= " FROM `" . $this->table_name( 'group' ) . "` intgr )";
        return $view;
    }


    /**
     * Method get_not_empty_groups()
     *
     * Get non-empty groups.
     *
     * @param mixed $userid Current user ID.
     * @param bool  $enableOfflineSites Include offline sites? Default: true.
     *
     * @return object|null Database query result for non-empty groups or null on failure.
     *
     * @uses \MainWP\Dashboard\MainWP_System::is_multi_user()
     */
    public function get_not_empty_groups( $userid = null, $enableOfflineSites = true ) { //phpcs:ignore --NOSONAR -- complex.
        if ( ( null === $userid ) && MainWP_System::instance()->is_multi_user() ) {

            /**
             * Current user global.
             *
             * @global string
             */
            global $current_user;

            $userid = $current_user->ID;
        }

        $table_group = esc_sql( $this->table_name( 'group' ) );
        $table_wp_group = esc_sql( $this->table_name( 'wp_group' ) );
        $table_wp = esc_sql( $this->table_name( 'wp' ) );
        $table_wp_sync = esc_sql( $this->table_name( 'wp_sync' ) );

        $sql = "SELECT DISTINCT(g.id), g.name, count(wp.wpid) FROM `{$table_group}` g JOIN `{$table_wp_group}` wp ON g.id = wp.groupid JOIN `{$table_wp}` wpsite ON wp.wpid = wpsite.id JOIN `{$table_wp_sync}` wp_sync ON wp.wpid = wp_sync.wpid WHERE 1 = 1";
        $params = array();

        $staging_group = get_option( 'mainwp_stagingsites_group_id' );
        if ( $staging_group ) {
            $sql .= ' AND g.id <> %d';
            $params[] = absint( $staging_group );
        }

        $allowed_groups = apply_filters( 'mainwp_currentuserallowedaccessgroups', 'all' );
        if ( 'all' !== $allowed_groups ) {
            if ( is_array( $allowed_groups ) && ! empty( $allowed_groups ) ) {
                $allowed_groups = array_filter(
                    $allowed_groups,
                    function ( $e ) {
                        return is_numeric( $e ) ? true : false;
                    }
                );

                if ( ! empty( $allowed_groups ) ) {
                    $placeholders = implode( ',', array_fill( 0, count( $allowed_groups ), '%d' ) );
                    $sql .= ' AND g.id IN (' . $placeholders . ')';
                    $params = array_merge( $params, array_map( 'intval', $allowed_groups ) );
                }
            } else {
                $sql .= ' AND 0';
            }
        }

        if ( null !== $userid ) {
            $sql .= ' AND g.userid = %d';
            $params[] = intval( $userid );
        }

        if ( ! $enableOfflineSites ) {
            $sql .= " AND wp_sync.sync_errors = ''";
        }

        $sql .= ' GROUP BY g.id HAVING count(wp.wpid) > 0 ORDER BY g.name';

        if ( ! empty( $params ) ) {
            $sql = $this->wpdb->prepare( $sql, ...$params );
        }

        return $this->wpdb->get_results( $sql, OBJECT_K ); // phpcs:ignore PluginCheck.Security.DirectDB.UnescapedDBParameter -- $sql is prepared via $wpdb->prepare() with all dynamic values properly parameterized.
    }

    /**
     * Method get_sql_log()
     *
     * Get sql log.
     *
     * @param int   $paged paged.
     * @param int   $order order.
     * @param array $params params.
     *
     * @return string sql query.
     */
    public function get_sql_log( $paged = 0, $order = '', $params = array() ) {

        $count_only = ! empty( $params['count'] ) ? true : false;
        $limit      = ! empty( $params['limit'] ) ? intval( $params['limit'] ) : 500;

        $last_hours = ! empty( $params['hour'] ) ? intval( $params['hour'] ) : 0;

        $order = strtoupper( $order );

        $order = 'DESC' === $order || 'ASC' === $order ? $order : 'DESC';

        $start = ! empty( $paged ) ? absint( $paged * $limit ) : 0;

        if ( $count_only ) {
            return 'SELECT count(*)
                FROM `' . $this->table_name( 'action_log' ) . '` log
                WHERE 1 ';
        }

        if ( ! empty( $last_hours ) ) {
            return 'SELECT log.*
                FROM `' . $this->table_name( 'action_log' ) . '` log
                WHERE ' . $this->wpdb->prepare( ' log_timestamp > %d ', time() - $last_hours * HOUR_IN_SECONDS ) .
                ' ORDER BY log_timestamp ' . $this->escape( $order );
        }

        return 'SELECT log.*
                FROM `' . $this->table_name( 'action_log' ) . '` log
                WHERE 1 ORDER BY ' .
                $this->wpdb->prepare( 'log_timestamp ' . $this->escape( $order ) . ' LIMIT %d, %d', $start, $limit );
    }

    /**
     * Method insert_action_log()
     *
     * Insert action log.
     *
     * @param array $data log data.
     *
     * @return void
     */
    public function insert_action_log( $data ) {
        $this->wpdb->insert( $this->table_name( 'action_log' ), $data );
    }

    /**
     * Method delete_action_log()
     *
     * Delete action log.
     *
     * @param int $days number days.
     *
     * @return void
     */
    public function delete_action_log( $days = false ) {
        $where = '';
        if ( ! empty( $days ) ) {
            $where .= ' AND log_timestamp < ' . ( time() - $days * DAY_IN_SECONDS );
        }
        $table_action_log = esc_sql( $this->table_name( 'action_log' ) );
        $where = esc_sql( $where );
        $this->wpdb->query( "DELETE FROM `{$table_action_log}` WHERE 1 {$where}" );
    }

    /**
     * Method insert_or_update_request_log()
     *
     * Insert or update request log.
     *
     * @param mixed $wpid WordPress ID.
     * @param mixed $ip IP address.
     * @param mixed $start Start time.
     * @param mixed $stop Stop Time.
     *
     * @return void
     */
    public function insert_or_update_request_log( $wpid, $ip, $start, $stop ) {
        $updateValues = array();
        if ( ! empty( $ip ) ) {
            $updateValues['ip'] = $ip;
        }
        if ( ! empty( $start ) ) {
            $updateValues['micro_timestamp_start'] = $start;
        }
        if ( ! empty( $stop ) ) {
            $updateValues['micro_timestamp_stop'] = $stop;
        }

        $table_request_log = esc_sql( $this->table_name( 'request_log' ) );
        $var = $this->wpdb->get_var( $this->wpdb->prepare( "SELECT id FROM `{$table_request_log}` WHERE wpid = %d ", $wpid ) );
        if ( null !== $var ) {
            $this->wpdb->update( $this->table_name( 'request_log' ), $updateValues, array( 'wpid' => $wpid ) );
        } else {
            $updateValues['wpid'] = $wpid;
            $this->wpdb->insert( $this->table_name( 'request_log' ), $updateValues );
        }
    }

    /**
     * Method close_open_requests()
     *
     * Close open request.
     *
     * @return void
     */
    public function close_open_requests() {
        $table_request_log = esc_sql( $this->table_name( 'request_log' ) );
        $microtime_value = esc_sql( microtime( true ) );
        $this->wpdb->query( "UPDATE `{$table_request_log}` SET micro_timestamp_stop = micro_timestamp_start WHERE micro_timestamp_stop < micro_timestamp_start and {$microtime_value} - micro_timestamp_start > 7" );
    }

    /**
     * Method get_nrof_open_requests()
     *
     * Get number of requests.
     *
     * @param null $ip IP Address.
     *
     * @return (string|null) Database query result for number of requests or null on failure.
     */
    public function get_nrof_open_requests( $ip = null ) {
        $table_request_log = esc_sql( $this->table_name( 'request_log' ) );
        if ( null === $ip ) {
            return $this->wpdb->get_var( "select count(id) from `{$table_request_log}` where micro_timestamp_stop < micro_timestamp_start" );
        }

        return $this->wpdb->get_var( "select count(id) from `{$table_request_log}` where micro_timestamp_stop < micro_timestamp_start and ip = \"" . esc_sql( $ip ) . "\"" );
    }

    /**
     * Method get_last_request_timestamp()
     *
     * Get timestamp of last request sent.
     *
     * @param null $ip Child Site IP address, default: null.
     *
     * @return (int|null) Database query result for timestamp of last request sent or null on failure.
     */
    public function get_last_request_timestamp( $ip = null ) {
        $table_request_log = esc_sql( $this->table_name( 'request_log' ) );
        if ( null === $ip ) {
            return $this->wpdb->get_var( "select micro_timestamp_start from `{$table_request_log}` order by micro_timestamp_start desc limit 1" );
        }

        return $this->wpdb->get_var( $this->wpdb->prepare( "SELECT micro_timestamp_start FROM `{$table_request_log}` WHERE ip = %s order by micro_timestamp_start desc limit 1", esc_sql( $ip ) ) );
    }

    /**
     * Method update_group_site()
     *
     * @param mixed $groupId Group ID.
     * @param mixed $websiteId Child Site ID.
     *
     * @return void
     */
    public function update_group_site( $groupId, $websiteId ) {
        $this->wpdb->insert(
            $this->table_name( 'wp_group' ),
            array(
                'wpid'    => $websiteId,
                'groupid' => $groupId,
            )
        );
    }

    /**
     * Method clear_group()
     *
     * Clear sites in group.
     *
     * @param mixed $groupId ID of group.
     * @param mixed $exclude_wpids Empty or array of wp ids to exclude.
     */
    public function clear_group( $groupId, $exclude_wpids = array() ) {
        $this->wpdb->query( 'DELETE FROM ' . $this->table_name( 'wp_group' ) . ' WHERE groupid=' . $groupId . ( ! empty( $exclude_wpids ) && is_array( $exclude_wpids ) ? ' AND wpid NOT IN (' . implode( ',', array_map( 'intval', $exclude_wpids ) ) . ')' : '' ) );
    }


    /**
     * Method add_group()
     *
     * Add group.
     *
     * @param mixed $userid Current User ID.
     * @param mixed $name Name of group to add.
     * @param mixed $color  Color of group to add.
     *
     * @return boolean true
     *
     * @uses \MainWP\Dashboard\MainWP_Utility::ctype_digit()
     * @uses \MainWP\Dashboard\MainWP_Utility::ctype_digit()
     */
    public function add_group( $userid, $name, $color = '' ) {
        if ( MainWP_Utility::ctype_digit( $userid ) && $this->wpdb->insert(
            $this->table_name( 'group' ),
            array(
                'userid' => $userid,
                'name'   => $this->escape( $name ),
                'color'  => $this->escape( $color ),
            )
        ) ) {

                $groupId = $this->wpdb->insert_id;

                $group = $this->get_group_by_id( $groupId );

                /**
                 * Fires after a new sites tag has been created.
                 *
                 * @param object $group group created.
                 * @param string group action.
                 */
                do_action( 'mainwp_site_tag_action', $group, 'created' );

                return $groupId;
        }

        return false;
    }

    /**
     * Method add_tag()
     *
     * Add Group.
     *
     * @param array $params params data.
     */
    public function add_tag( $params = array() ) {
        /**
         * Current user global.
         *
         * @global string
         */
        global $current_user;
        //phpcs:disable WordPress.Security.NonceVerification.Missing
        $groupId  = isset( $params['id'] ) ? intval( $params['id'] ) : 0;
        $newName  = isset( $params['name'] ) ? sanitize_text_field( wp_unslash( $params['name'] ) ) : '';
        $newColor = null;

        if ( isset( $params['color'] ) ) {
            $newColor = sanitize_hex_color( wp_unslash( $params['color'] ) );
        }
        //phpcs:enable WordPress.Security.NonceVerification.Missing

        if ( ! empty( $groupId ) ) {
            $color_update = '';
            if ( null !== $newColor ) {
                $color_update = ", color='" . $this->escape( $newColor ) . "' ";
            }
            $table_group = esc_sql( $this->table_name( 'group' ) );
            $color_update = esc_sql( $color_update );
            $this->wpdb->query( $this->wpdb->prepare( "UPDATE `{$table_group}` SET name=%s {$color_update} WHERE id=%d", $this->escape( $newName ), $groupId ) );
            return $this->get_group_by_id( $groupId );
        } elseif ( ! empty( $newName ) ) {
            $groupId = $this->add_group( $current_user->ID, MainWP_Manage_Groups::check_group_name( $newName ), $newColor );

            /**
             * New Group Added
             *
             * Fires after a new sites group has been created.
             *
             * @param int $groupId Group ID.
             */
            do_action( 'mainwp_added_new_group', $groupId );
            return $this->get_group_by_id( $groupId );
        }
        return false;
    }

    /**
     * Method remove_group()
     *
     * Remove group.
     *
     * @param mixed $groupid Group ID.
     *
     * @return int|boolean Group that was deleted or false on failure.
     *
     * @uses \MainWP\Dashboard\MainWP_Utility::ctype_digit()
     */
    public function remove_group( $groupid ) {
        if ( MainWP_Utility::ctype_digit( $groupid ) ) {
            $group = $this->get_group_by_id( $groupid );
            $table_group = esc_sql( $this->table_name( 'group' ) );
            $table_wp_group = esc_sql( $this->table_name( 'wp_group' ) );
            $nr    = $this->wpdb->query( $this->wpdb->prepare( "DELETE FROM `{$table_group}` WHERE id=%d", $groupid ) );
            $this->wpdb->query( $this->wpdb->prepare( "DELETE FROM `{$table_wp_group}` WHERE groupid=%d", $groupid ) );
            if ( $nr ) {
                /**
                 * Fires after a tag has been deleted.
                 *
                 * @param object $group group created.
                 * @param string group action.
                 */
                do_action( 'mainwp_site_tag_action', $group, 'deleted' );
            }
            return $nr;
        }

        return false;
    }

    /**
     * Method update_note()
     *
     * Update Note.
     *
     * @param mixed $websiteid Child Site ID.
     * @param mixed $note Note data.
     *
     * @return void
     */
    public function update_note( $websiteid, $note ) {
        $table_wp = esc_sql( $this->table_name( 'wp' ) );
        $this->wpdb->query( $this->wpdb->prepare( "UPDATE `{$table_wp}` SET note= %s WHERE id=%d", $this->escape( $note ), $websiteid ) );
    }

    /**
     * Method update_group()
     *
     * Update group.
     *
     * @param mixed  $groupid Group ID.
     * @param mixed  $groupname Group Name.
     * @param string $groupcolor Group Color.
     *
     * @return boolean true|false.
     *
     * @uses \MainWP\Dashboard\MainWP_Utility::ctype_digit()
     */
    public function update_group( $groupid, $groupname, $groupcolor ) {
        if ( MainWP_Utility::ctype_digit( $groupid ) ) {
            $table_group = esc_sql( $this->table_name( 'group' ) );
            $this->wpdb->query( $this->wpdb->prepare( "UPDATE `{$table_group}` SET name=%s, color=%s WHERE id=%d", $this->escape( $groupname ), $this->escape( $groupcolor ), $groupid ) );

            return true;
        }

        return false;
    }

    /**
     * Method get_user_notification_email()
     *
     * Get user notification email.
     *
     * @param mixed $userid Current user ID.
     *
     * @return string $user_email User email address.
     *
     * @uses \MainWP\Dashboard\MainWP_System::is_single_user()
     */
    public function get_user_notification_email( $userid = 0 ) {
        $theUserId = $userid;
        if ( MainWP_System::instance()->is_single_user() ) {
            $theUserId = 0;
        }
        $table_users = esc_sql( $this->table_name( 'users' ) );
        $user_email = $this->wpdb->get_var( $this->wpdb->prepare( "SELECT user_email FROM `{$table_users}` WHERE userid = %d", $theUserId ) );

        if ( null === $user_email || empty( $user_email ) ) {
            $user_email = $this->wpdb->get_var( $this->wpdb->prepare( 'SELECT user_email FROM `' . $this->wpdb->prefix . 'users` WHERE id = %d', $userid ) );
        }

        return $user_email;
    }

    /**
     * Method get_user_extension()
     *
     * Get user extension.
     *
     * @return boolean|int false|get_user_extension_by_user_id()
     *
     * @uses \MainWP\Dashboard\MainWP_System::is_single_user()
     */
    public function get_user_extension() {

        /**
         * Current user global.
         *
         * @global string
         */
        global $current_user;

        if ( empty( $current_user ) ) {
            if ( MainWP_System::instance()->is_single_user() ) {
                $userid = 0;
            } else {
                return false;
            }
        } else {
            $userid = $current_user->ID;
        }

        return $this->get_user_extension_by_user_id( $userid );
    }

    /**
     * Method get_user_extension_by_user_id()
     *
     * Get user extension by user id.
     *
     * @param mixed $userid Current user ID.
     *
     * @return object $row User extension.
     *
     * @uses \MainWP\Dashboard\MainWP_System::is_single_user()
     */
    public function get_user_extension_by_user_id( $userid = 0 ) {
        if ( MainWP_System::instance()->is_single_user() ) {
            $userid = 0;
        }

        $table_users = esc_sql( $this->table_name( 'users' ) );
        $row = $this->wpdb->get_row( "SELECT * FROM `{$table_users}` WHERE userid= " . intval( $userid ), OBJECT );
        if ( null === $row ) {
            $this->create_user_extension( $userid );
            $row = $this->wpdb->get_row( "SELECT * FROM `{$table_users}` WHERE userid= " . intval( $userid ), OBJECT );
        }

        return $row;
    }

    /**
     * Method create_user_extension()
     *
     * Create user extension
     *
     * @param mixed $userId Current user ID.
     *
     * @return void
     */
    protected function create_user_extension( $userId ) {
        $fields = array(
            'userid'                => $userId,
            'user_email'            => '',
            'ignored_plugins'       => '',
            'trusted_plugins'       => '',
            'trusted_plugins_notes' => '',
            'ignored_themes'        => '',
            'trusted_themes'        => '',
            'trusted_themes_notes'  => '',
            'pluginDir'             => '',
            'ignored_wp_upgrades'   => '',
        );

        $this->wpdb->insert( $this->table_name( 'users' ), $fields );
    }

    /**
     * Method update_user_extension()
     *
     * Update user extension.
     *
     * @param mixed $userExtension User extention to update.
     *
     * @return object $row User extension.
     *
     * @uses \MainWP\Dashboard\MainWP_System::is_single_user()
     */
    public function update_user_extension( $userExtension ) {

        if ( is_object( $userExtension ) ) {
            $userid = $userExtension->userid;
        } elseif ( is_array( $userExtension ) ) {
            $userid = $userExtension['userid'];
        } else {
            $userid = null;
        }

        if ( null === $userid ) {
            if ( MainWP_System::instance()->is_single_user() ) {
                $userid = '0';
            } else {

                /**
                 * Current user global.
                 *
                 * @global string
                 */
                global $current_user;

                $userid = $current_user->ID;
            }
        }
        $table_users = esc_sql( $this->table_name( 'users' ) );
        $row = $this->wpdb->get_row( "SELECT * FROM `{$table_users}` WHERE userid= " . intval( $userid ), OBJECT );
        if ( null === $row ) {
            $this->create_user_extension( $userid );
        }

        $fields = array();
        foreach ( $userExtension as $field => $value ) {
            if ( $value != $row->$field ) { //phpcs:ignore -- to valid.
                $fields[ $field ] = $value;
            }
        }

        if ( ! empty( $fields ) ) {
            $this->wpdb->update( $this->table_name( 'users' ), $fields, array( 'userid' => $userid ) );
        }

        return $this->wpdb->get_row( "SELECT * FROM `{$table_users}` WHERE userid= " . intval( $userid ), OBJECT );
    }


    /**
     * Method rest_api_update_website().
     *
     * Rest API update website.
     *
     * @param int   $websiteid website ID.
     * @param array $data Update fields array.
     * 'http_user'.
     * 'http_pass'.
     * 'name'.
     * 'admin'.
     * 'sslversion'.
     * 'uniqueid'.
     * 'verify'.
     * 'protocol'.
     * 'checkinterval'.
     * 'disablehealthchecking'.
     * 'healththreshold'.
     * 'groupids'.
     * 'automatic_update'.
     * 'backup_before_upgrade'.
     * 'force_use_ipv4'.
     * 'ignore_core_updates'.
     * 'ignore_plugin_updates'.
     * 'ignore_theme_updates'.
     * 'monitoring_emails'.
     *
     * @return mixed array|true|false.
     */
    public function rest_api_update_website( $websiteid, $data ) { // phpcs:ignore -- NOSONAR - complex function.

        $website = MainWP_DB::instance()->get_website_by_id( $websiteid );
        if ( empty( $website ) ) {
            return false;
        }
        $success = false;

        $map_fields = array(
            'http_user'   => 'http_user',
            'http_pass'   => 'http_pass',
            'name'        => 'name',
            'adminname'   => 'admin',
            'ssl_version' => 'sslversion',
            'uniqueId'    => 'uniqueid',
        );

        $sql_set = '';

        foreach ( $map_fields as $field => $name ) {
            if ( isset( $data[ $name ] ) && empty( ! $data[ $name ] ) ) {
                $sql_set .= ' `' . $this->escape( $field ) . '` = "' . $this->escape( $data[ $name ] ) . '",';
            }
        }

        if ( isset( $data['verify'] ) ) {
            $verify   = intval( $data['verify'] );
            $sql_set .= ' verify_certificate = "' . $this->escape( $verify ) . '",';
        }

        if ( isset( $data['protocol'] ) && ( 'http' === $data['protocol'] || 'https' === $data['protocol'] ) ) {
            $url      = $data['protocol'] . '://' . MainWP_Utility::remove_http_prefix( $website->url, true );
            $sql_set .= ' url = "' . $this->escape( $url ) . '",';
        }

        if ( isset( $data['disablehealthchecking'] ) ) {
            $sql_set .= ' disable_health_check = "' . ( $data['disablehealthchecking'] ? 1 : 0 ) . '",';
        }

        if ( isset( $data['healththreshold'] ) ) {
            $sql_set .= ' health_threshold = "' . intval( $data['healththreshold'] ) . '",';
        }

        if ( isset( $data['suspended'] ) ) {
            $sql_set .= ' suspended = "' . ( 1 === intval( $data['suspended'] ) ? 1 : 0 ) . '",';
        }

        if ( ! empty( $sql_set ) ) {
            $sql_set = rtrim( $sql_set, ',' );
            $table_wp = esc_sql( $this->table_name( 'wp' ) );
            $this->wpdb->query( $this->wpdb->prepare( "UPDATE `{$table_wp}` SET " . esc_sql( $sql_set ) . " WHERE id=%d", $websiteid ) );
            $success = true;
        }

        $groupids = array();
        if ( isset( $data['groupids'] ) && ! empty( $data['groupids'] ) ) {
            $groupids = explode( ',', sanitize_text_field( wp_unslash( $data['groupids'] ) ) );
        }

        if ( ! empty( $groupids ) ) {
            $table_wp_group = esc_sql( $this->table_name( 'wp_group' ) );
            $this->wpdb->query( $this->wpdb->prepare( "DELETE FROM `{$table_wp_group}` WHERE wpid=%d", $websiteid ) );

            // update groups.
            foreach ( $groupids as $groupid ) {
                $this->wpdb->insert(
                    $this->table_name( 'wp_group' ),
                    array(
                        'wpid'    => $websiteid,
                        'groupid' => $groupid,
                    )
                );
            }
            $success = true;
        }

        $newValues = array();

        if ( isset( $data['automatic_update'] ) ) {
            $newValues['automatic_update'] = $data['automatic_update'] ? 1 : 0;
        }

        if ( isset( $data['backup_before_upgrade'] ) ) {
            $newValues['backup_before_upgrade'] = $data['backup_before_upgrade'] ? 1 : 0;
        }
        if ( isset( $data['force_use_ipv4'] ) ) {
            $forceuseipv4 = intval( $data['force_use_ipv4'] );
            if ( 2 < $forceuseipv4 ) {
                $forceuseipv4 = 0;
            }
            $newValues['force_use_ipv4'] = $forceuseipv4;
        }

        if ( isset( $data['ignore_core_updates'] ) ) {
            $newValues['is_ignoreCoreUpdates'] = $data['ignore_core_updates'] ? 1 : 0;
        }

        if ( isset( $data['ignore_plugin_updates'] ) ) {
            $newValues['is_ignorePluginUpdates'] = $data['ignore_plugin_updates'] ? 1 : 0;
        }

        if ( isset( $data['ignore_theme_updates'] ) ) {
            $newValues['is_ignoreThemeUpdates'] = $data['ignore_theme_updates'] ? 1 : 0;
        }

        if ( ! empty( $newValues ) ) {
            MainWP_DB::instance()->update_website_values( $website->id, $newValues );
            $success = true;
        }

        if ( isset( $data['monitoring_emails'] ) ) {
            $monitoring_emails = MainWP_Utility::valid_input_emails( $data['monitoring_emails'] );
            MainWP_DB::instance()->update_website_option( $website, 'monitoring_notification_emails', ( $monitoring_emails ) );

        }

        return array(
            'message' => 'Site updated successfully.',
            'site'    => $website->url,
            'success' => $success,
        );
    }
}
