<?php
namespace Bookly\Lib;

class Updater extends Base\Updater
{
    function update_27_3()
    {
        add_option( 'bookly_bc_clmn_min_width', '120' );
        $this->alterTables( array(
            'bookly_form_sessions' => array(
                'ALTER TABLE `%s` CHANGE `token` `token` VARCHAR(64) NOT NULL',
            ),
            'bookly_staff' => array(
                'ALTER TABLE `%s` ADD COLUMN `apple_data` TEXT DEFAULT NULL AFTER `outlook_data`',
            ),
            'bookly_services' => array(
                'ALTER TABLE `%s` CHANGE `online_meetings` `online_meetings` ENUM("off","zoom","google_meet","jitsi","bbb","teams") NOT NULL DEFAULT "off"',
            ),
            'bookly_appointments' => array(
                'ALTER TABLE `%s` ADD COLUMN `apple_event_etag` VARCHAR(255) DEFAULT NULL AFTER `outlook_event_series_id`',
                'ALTER TABLE `%s` ADD COLUMN `apple_event_id` VARCHAR(255) DEFAULT NULL AFTER `outlook_event_series_id`',
                'ALTER TABLE `%s` CHANGE `created_from` `created_from` ENUM("bookly","google","outlook","apple") NOT NULL DEFAULT "bookly"',
                'ALTER TABLE `%s` CHANGE `online_meeting_provider` `online_meeting_provider` ENUM("zoom","google_meet","jitsi","bbb","teams") DEFAULT NULL',
            ),
        ) );
    }

    function update_26_9()
    {
        if ( $this->existsTable( 'bookly_form_sessions' ) ) {
            $this->alterTables( array(
                'bookly_form_sessions' => array(
                    'ALTER TABLE `%s` CHANGE `token` `token` VARCHAR(64) NOT NULL',
                ),
            ) );
        } else {
            $this->createTables( array(
                'bookly_form_sessions' =>
                    'CREATE TABLE IF NOT EXISTS `%s` (
                    `id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
                    `token` VARCHAR(64) NOT NULL,
                    `value` TEXT DEFAULT NULL,
                    `expire` DATETIME NOT NULL,
                    INDEX `token` (`token`),
                    INDEX `expire` (`expire`)
                ) ENGINE = INNODB',
            ) );
        }
    }

    function update_26_8()
    {
        $this->createTables( array(
            'bookly_form_sessions' =>
                'CREATE TABLE IF NOT EXISTS `%s` (
                `id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
                `token` VARCHAR(255) NOT NULL,
                `value` TEXT DEFAULT NULL,
                `expire` DATETIME NOT NULL,
                INDEX `token` (`token`),
                INDEX `expire` (`expire`)
            ) ENGINE = INNODB',
        ) );

        add_option( 'bookly_legacy_calendar', '0' );

        delete_option( 'bookly_gen_prevent_session_locking' );
        delete_option( 'bookly_gen_session_type' );
    }

    function update_26_4()
    {
        add_option( 'bookly_successful_payment_appointment_status', 'disabled' );
    }

    function update_26_0()
    {
        /** @global \wpdb $wpdb */
        global $wpdb;

        $this->alterTables( array(
            'bookly_shop' => array(
                'ALTER TABLE `%s` CHANGE `bundle_plugins` `bundle_plugins` TEXT DEFAULT NULL',
                'DELETE FROM `%s` WHERE `slug` = \'bookly-bundle-ultimate\''
            ),
        ) );

        if ( $business_license = $wpdb->get_var( 'SELECT `license` FROM `' . $this->getTableName( 'bookly_shop' ) . '` WHERE `slug` = \'bookly-bundle-business\'' ) ) {
            update_option( 'bookly_bundle_business_purchase_code', $business_license );
        }
    }

    function update_25_9()
    {
        $disposable_options = array();

        global $wpdb;
        $disposable_options[] = $this->disposable( __FUNCTION__ . '-copy', function( $self ) use ( $wpdb ) {
            $records = $wpdb->get_results( 'SELECT option_name, option_value FROM `' . $wpdb->options . '` WHERE `option_name` LIKE \'bookly\_%\_envato\_purchase\_code\'', ARRAY_A );
            foreach ( $records as $record ) {
                if ( $record['option_value'] ) {
                    $plugin_slug = str_replace( array( 'bookly', '_envato_purchase_code', '_' ), array( 'bookly-addon', '', '-' ), $record['option_name'] );
                    $wpdb->update(
                        $self->getTableName( 'bookly_shop' ),
                        array( 'license' => $record['option_value'] ),
                        array( 'slug' => $plugin_slug )
                    );
                }
                add_option( str_replace( '_envato', '', $record['option_name'] ), $record['option_value'] );
            }
        } );

        foreach ( $disposable_options as $option_name ) {
            delete_option( $option_name );
        }
    }

    function update_25_8()
    {
        $disposable_options = array();
        $disposable_options[] = $this->disposable( __FUNCTION__ . '-update-schema', function( $self ) {
            add_option( 'bookly_temporary_logs_mobile_staff_cabinet', '0' );
            $self->alterTables( array(
                'bookly_shop' => array(
                    'ALTER TABLE `%s` ADD COLUMN `bundle_plugins` VARCHAR(256) DEFAULT NULL AFTER `seen`',
                    'ALTER TABLE `%s` ADD COLUMN `license` VARCHAR(32) DEFAULT NULL AFTER `seen`',
                    'ALTER TABLE `%s` ADD COLUMN `visible` TINYINT DEFAULT 1 AFTER `seen`',
                    'ALTER TABLE `%s` ADD COLUMN `sub_price` VARCHAR(64) AFTER `price`',
                ),
            ) );
        } );

        foreach ( $disposable_options as $option_name ) {
            delete_option( $option_name );
        }
    }

    function update_25_4()
    {
        $disposable_options = array();

        $this->createTables( array(
            'bookly_auths' =>
                'CREATE TABLE IF NOT EXISTS `%s` (
                        `id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
                        `staff_id` INT UNSIGNED NULL,
                        `wp_user_id` INT UNSIGNED NULL,
                        `token` VARCHAR(32) NOT NULL,
                        `created_at` DATETIME NOT NULL,
                    CONSTRAINT
                        FOREIGN KEY (staff_id)
                        REFERENCES ' . $this->getTableName( 'bookly_staff' ) . '(id)
                        ON DELETE CASCADE
                        ON UPDATE CASCADE
                    ) ENGINE = INNODB',
        ) );

        if ( $this->existsColumn( 'bookly_staff', 'cloud_msc_token' ) ) {
            $disposable_options[] = $this->disposable( __FUNCTION__ . '-migrate-data', function( $self ) {
                /** @global \wpdb $wpdb */
                global $wpdb;

                $staff_table = $self->getTableName( 'bookly_staff' );
                $auths_table = $self->getTableName( 'bookly_auths' );

                $records = $wpdb->get_results( 'SELECT id, `cloud_msc_token` FROM `' . $staff_table . '` WHERE `cloud_msc_token` IS NOT NULL', ARRAY_A );
                foreach ( $records as $record ) {
                    if ( $record['cloud_msc_token'] ) {
                        $wpdb->insert( $auths_table, array(
                            'staff_id' => $record['id'] ?: null,
                            'token' => $record['cloud_msc_token'],
                            'created_at' => current_time( 'mysql' ),
                        ) );
                    }
                    $wpdb->update( $staff_table,
                        array( 'cloud_msc_token' => null, ),
                        array( 'id' => $record['id'] )
                    );
                }
            } );
        }

        $this->dropTableColumns( 'bookly_staff', array( 'cloud_msc_token' ) );

        if ( ! $this->existsColumn( 'bookly_payments', 'customer_id' ) ) {
            $this->alterTables( array(
                'bookly_payments' => array(
                    'ALTER TABLE `%s` ADD `customer_id` INT UNSIGNED DEFAULT NULL AFTER `id`',
                ),
            ) );
        }

        if ( $this->existsColumn( 'bookly_payments', 'customer_id' ) ) {
            if ( ! $this->existsColumn( 'bookly_payments', 'customer_id_processed' ) ) {
                $this->alterTables( array(
                    'bookly_payments' => array(
                        'ALTER TABLE `%s` ADD `customer_id_processed` TINYINT(1) DEFAULT 0',
                    ),
                ) );
            }

            $disposable_options[] = $this->disposable( __FUNCTION__ . '-add-customer-id', function( $self ) {
                /** @global \wpdb $wpdb */
                global $wpdb;

                $payments_table = $self->getTableName( 'bookly_payments' );
                $customers_table = $self->getTableName( 'bookly_customers' );

                $update = 'UPDATE `' . $payments_table . '` SET `customer_id` = %d, `customer_id_processed` = 1 WHERE id = %d';
                do {
                    $records = $wpdb->get_results( 'SELECT id, `details` FROM `' . $payments_table . '` WHERE `customer_id_processed` = 0 AND `details` IS NOT NULL LIMIT 100', ARRAY_A );
                    foreach ( $records as $record ) {
                        try {
                            $details = json_decode( $record['details'], true );
                            if ( isset( $details['customer_id'] ) && $wpdb->get_results( 'SELECT id FROM `' . $customers_table . '` WHERE `id` = ' . ( (int) $details['customer_id'] ) . ' LIMIT 1' ) ) {
                                $wpdb->query( $wpdb->prepare( $update, $details['customer_id'], $record['id'] ) );
                            } else {
                                $wpdb->query( $wpdb->prepare( 'UPDATE `' . $payments_table . '` SET `customer_id_processed` = 1 WHERE id = %d', $record['id'] ) );
                            }
                        } catch ( \Exception $e ) {
                            $wpdb->query( $wpdb->prepare( 'UPDATE `' . $payments_table . '` SET `customer_id_processed` = 1 WHERE id = %d', $record['id'] ) );
                        }
                    }
                } while ( count( $records ) > 0 );

                $self->dropTableColumns( 'bookly_payments', array( 'customer_id_processed' ) );

                $self->alterTables( array(
                    'bookly_payments' => array(
                        'ALTER TABLE `%s` ADD `parent_id` INT UNSIGNED DEFAULT NULL AFTER `customer_id`',
                        'ALTER TABLE `%s` ADD `child_paid` DECIMAL(10,2) NOT NULL DEFAULT 0.00 AFTER `paid`',
                        'ALTER TABLE `%s` ADD CONSTRAINT FOREIGN KEY (`parent_id`) REFERENCES `' . $payments_table . '`(`id`) ON DELETE CASCADE ON UPDATE CASCADE',
                        'ALTER TABLE `%s` ADD CONSTRAINT FOREIGN KEY (`customer_id`) REFERENCES `' . $customers_table . '`(`id`) ON DELETE SET NULL ON UPDATE CASCADE',
                    ),
                ) );

            } );
        }

        foreach ( $disposable_options as $option_name ) {
            delete_option( $option_name );
        }
    }

    function update_25_0()
    {
        $this->alterTables( array(
            'bookly_notifications' => array(
                'ALTER TABLE `%s` ADD COLUMN `to_organizer` TINYINT(1) NOT NULL DEFAULT 0 AFTER `custom_recipients`',
            ),
            'bookly_shop' => array(
                'ALTER TABLE `%s` DROP COLUMN `type`',
            ),
        ) );
    }

    function update_24_9()
    {
        $this->alterTables( array(
            'bookly_services' => array(
                'ALTER TABLE `%s` ADD COLUMN `tags` TEXT DEFAULT NULL AFTER `gateways`',
            ),
        ) );
    }

    function update_24_8()
    {
        add_option( 'bookly_advertisement', array() );
        add_option( 'bookly_cal_scrollable_calendar', '1' );
        add_option( 'bookly_dashboard_based_on_appointment', 'created_at' );
    }

    function update_24_7()
    {
        add_option( 'bookly_advanced_time_slot_length_minutes', '' );
        if ( ! get_option( 'bookly_advanced_slot_date_format' ) ) {
            add_option( 'bookly_advanced_slot_date_format', 'D, M d' );
        }
    }

    function update_24_4()
    {
        $this->createTables( array(
            'bookly_sms_log' => 'CREATE TABLE IF NOT EXISTS `%s` ( `id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY, `phone` VARCHAR(20) NOT NULL, `message` VARCHAR(3072) NOT NULL, `impersonal_message` VARCHAR(3072) NOT NULL, `ref_id` VARCHAR(6) NULL, `type_id` INT UNSIGNED NOT NULL, `created_at` DATETIME NOT NULL ) ENGINE = INNODB',
        ) );
    }

    function update_24_2()
    {
        $this->alterTables( array(
            'bookly_services' => array(
                'ALTER TABLE `%s` ADD COLUMN `package_life_time_type` ENUM("first_booking","creation_date") NOT NULL DEFAULT "first_booking" AFTER `package_life_time`',
            ),
        ) );
    }

    function update_23_8()
    {
        $this->alterTables( array(
            'bookly_payments' => array(
                'ALTER TABLE `%s` ADD COLUMN `invoice_id` VARCHAR(32) DEFAULT NULL AFTER `details`',
                'ALTER TABLE `%s` ADD INDEX `invoice_id_idx` (`invoice_id`)',
            ),
        ) );
    }

    function update_23_7()
    {
        add_option( 'bookly_app_datepicker_inverted', '0' );

        $this->alterTables( array(
            'bookly_customers' => array(
                'ALTER TABLE `%s` ADD COLUMN `tags` TEXT DEFAULT NULL AFTER `info_fields`',
            ),
        ) );
    }

    function update_23_2()
    {
        $this->addL10nOptions( array(
            'bookly_l10n_incorrect_phone_verification_code' => __( 'Incorrect verification code', 'bookly' ),
            'bookly_l10n_incorrect_email_verification_code' => __( 'Incorrect verification code', 'bookly' ),
        ) );

        $this->alterTables( array(
            'bookly_customers' => array(
                'ALTER TABLE `%s` CHANGE `stripe_account` `stripe_account` VARCHAR(36) DEFAULT NULL',
                'ALTER TABLE `%s` ADD COLUMN `stripe_cloud_account` VARCHAR(36) DEFAULT NULL AFTER `stripe_account`',
            ),
        ) );
    }

    function update_23_1()
    {
        $this->alterTables( array(
            'bookly_customers' => array(
                'ALTER TABLE `%s` ADD COLUMN `attachment_id` INT UNSIGNED DEFAULT NULL AFTER `info_fields`',
            ),
        ) );
    }

    function update_22_8()
    {
        $this->alterTables( array(
            'bookly_staff' => array(
                'ALTER TABLE `%s` ADD COLUMN `cloud_msc_token` VARCHAR(32) DEFAULT NULL',
            ),
        ) );

        $this->addNotifications( array(
            array(
                'gateway' => 'email',
                'type' => 'mobile_sc_grant_access_token',
                'name' => __( 'New staff member\'s Bookly Staff Cabinet mobile app access token details', 'bookly' ),
                'subject' => __( 'Your Bookly Staff Cabinet mobile app access token', 'bookly' ),
                'message' => __( 'Hello', 'bookly' ) . ",\n\n" . __( 'To log in to the Bookly Staff Cabinet mobile app, please use the following link', 'bookly' ) . ":\n{access_token_link}\n\n" . __( 'If the link does not work, you can manually enter this access token in the app', 'bookly' ) . ":\n{access_token}",
                'to_staff' => 1,
                'active' => 1,
                'settings' => '[]'
            ),
            array(
                'gateway' => 'sms',
                'type' => 'mobile_sc_grant_access_token',
                'name' => __( 'New staff member\'s Bookly Staff Cabinet mobile app access token details', 'bookly' ),
                'message' => __( 'Hello', 'bookly' ) . ",\n\n" . __( 'To log in to the Bookly Staff Cabinet mobile app, please use the following link', 'bookly' ) . ":\n{access_token_link}\n\n" . __( 'If the link does not work, you can manually enter this access token in the app', 'bookly' ) . ":\n{access_token}",
                'to_staff' => 1,
                'active' => 1,
                'settings' => '[]'
            ),
        ) );
    }

    function update_22_7()
    {
        if ( get_option( 'bookly_logs_expire' ) === false ) {
            delete_option( 'bookly_logs_enabled' );
            $this->alterTables( array(
                'bookly_log' => array(
                    'ALTER TABLE `%s` CHANGE `action` `action` ENUM("create","update","delete","error","debug") DEFAULT NULL',
                ),
            ) );
            add_option( 'bookly_logs_expire', '30' );
        }

        if ( $this->existsColumn( 'bookly_payments', 'target' ) ) {
            if ( ! $this->existsColumn( 'bookly_payments', 'target_processed' ) ) {
                $this->alterTables( array(
                    'bookly_payments' => array(
                        'ALTER TABLE `%s` ADD `target_processed` TINYINT(1) DEFAULT 0',
                    ),
                ) );
            }

            $disposable_options[] = $this->disposable( __FUNCTION__ . '-add-target', function( $self ) {
                /** @global \wpdb $wpdb */
                global $wpdb;

                $payments_table = $self->getTableName( 'bookly_payments' );

                $update = 'UPDATE `' . $payments_table . '` SET `details` = %s, `target_processed` = 1 WHERE id = %d';
                do {
                    $records = $wpdb->get_results( 'SELECT id, `target`, `details` FROM `' . $payments_table . '` WHERE `target_processed` = 0 AND `details` IS NOT NULL LIMIT 100', ARRAY_A );
                    foreach ( $records as $record ) {
                        try {
                            $details = json_decode( $record['details'], true );
                            if ( ! isset( $details['items'] ) || ! is_array( $details['items'] ) ) {
                                throw new \Exception();
                            }
                            foreach ( $details['items'] as &$item ) {
                                if ( ! isset( $item['type'] ) ) {
                                    $item['type'] = rtrim( $record['target'], 's' );
                                }
                            }
                            unset( $item );
                            $wpdb->query( $wpdb->prepare( $update, json_encode( $details ), $record['id'] ) );
                        } catch ( \Exception $e ) {
                            $wpdb->query( $wpdb->prepare( 'UPDATE `' . $payments_table . '` SET `target_processed` = 1 WHERE id = %d', $record['id'] ) );
                        }
                    }
                } while ( count( $records ) > 0 );

                $self->dropTableColumns( 'bookly_payments', array( 'target_processed', 'target' ) );
            } );

            foreach ( $disposable_options as $option_name ) {
                delete_option( $option_name );
            }
        }
    }

    function update_22_6()
    {
        $this->alterTables( array(
            'bookly_mailing_campaigns' => array(
                'ALTER TABLE `%s` CHANGE `send_at` `send_at` DATETIME DEFAULT NULL',
            )
        ) );
    }

    function update_22_5()
    {
        $disposable_options[] = $this->disposable( __FUNCTION__ . '-alter-staff', function( $self ) {
            $self->alterTables( array(
                'bookly_staff' => array(
                    'UPDATE `%s` SET `zoom_authentication` = \'default\' WHERE `zoom_authentication` = \'jwt\'',
                    'ALTER TABLE `%s` CHANGE `phone` `phone` VARCHAR(32)',
                    'ALTER TABLE `%s` CHANGE `zoom_authentication` `zoom_authentication` ENUM(\'default\', \'oauth\') DEFAULT \'default\' NOT NULL',
                ),
            ) );

            $self->dropTableColumns( 'bookly_staff', array( 'zoom_jwt_api_key', 'zoom_jwt_api_secret' ) );
        } );

        $disposable_options[] = $this->disposable( __FUNCTION__ . '-alter-customer', function( $self ) {
            $self->alterTables( array(
                'bookly_customers' => array(
                    'ALTER TABLE `%s` CHANGE `full_name` `full_name` VARCHAR(128) NOT NULL DEFAULT ""',
                    'ALTER TABLE `%s` CHANGE `first_name` `first_name` VARCHAR(64) NOT NULL DEFAULT ""',
                    'ALTER TABLE `%s` CHANGE `last_name` `last_name` VARCHAR(64) NOT NULL DEFAULT ""',
                    'ALTER TABLE `%s` CHANGE `phone` `phone` VARCHAR(32) NOT NULL DEFAULT ""',
                    'ALTER TABLE `%s` CHANGE `email` `email` VARCHAR(128) NOT NULL DEFAULT ""',
                    'ALTER TABLE `%s` CHANGE `country` `country` VARCHAR(32)',
                    'ALTER TABLE `%s` CHANGE `state` `state` VARCHAR(32)',
                    'ALTER TABLE `%s` CHANGE `postcode` `postcode` VARCHAR(10)',
                    'ALTER TABLE `%s` CHANGE `city` `city` VARCHAR(64)',
                    'ALTER TABLE `%s` CHANGE `street` `street` VARCHAR(64)',
                    'ALTER TABLE `%s` CHANGE `street_number` `street_number` VARCHAR(16)',
                ),
            ) );

            if ( ! $self->existsColumn( 'bookly_customers', 'additional_address' ) ) {
                $self->alterTables( array(
                    'bookly_customers' => array(
                        'ALTER TABLE `%s` ADD `full_address` VARCHAR(255) DEFAULT NULL AFTER `additional_address`',
                    )
                ) );
            }
        } );

        $this->addL10nOptions( array(
            'bookly_l10n_info_add_to_calendar' => __( 'Add to calendar', 'bookly' )
        ) );
        add_option( 'bookly_app_show_add_to_calendar', '0' );

        foreach ( $disposable_options as $option_name ) {
            delete_option( $option_name );
        }
    }

    function update_22_4()
    {
        $this->alterTables( array(
            'bookly_customers' => array(
                'ALTER TABLE `%s` ADD `full_address` VARCHAR(255) DEFAULT NULL AFTER `additional_address`',
            )
        ) );
    }

    function update_22_2()
    {
        add_option( 'bookly_appointment_end_date_method', 'default' );
    }

    function update_22_0()
    {
        if ( ! $this->existsColumn( 'bookly_payments', 'order_id' ) ) {
            $this->alterTables( array(
                'bookly_payments' => array(
                    'ALTER TABLE `%s` ADD `order_id` INT UNSIGNED DEFAULT NULL AFTER `details`',
                    'ALTER TABLE `%s` ADD FOREIGN KEY (order_id) REFERENCES `' . $this->getTableName( 'bookly_orders' ) . '` (id) ON UPDATE CASCADE ON DELETE SET NULL',
                ),
            ) );
        }
    }

    function update_21_9()
    {
        $this->alterTables( array(
            'bookly_payments' => array(
                'ALTER TABLE `%s` ADD `order_id` INT UNSIGNED DEFAULT NULL AFTER `details`',
                'ALTER TABLE `%s` ADD FOREIGN KEY (order_id) REFERENCES `' . $this->getTableName( 'bookly_orders' ) . '` (id) ON UPDATE CASCADE ON DELETE SET NULL',
                'UPDATE `%s` SET `type` = \'free\' WHERE `type` = \'cloud_gift\'',
                'ALTER TABLE `%s` CHANGE `type` `type` ENUM("local", "free", "paypal", "authorize_net", "stripe", "2checkout", "payu_biz", "payu_latam", "payson", "mollie", "woocommerce", "cloud_stripe", "cloud_square") NOT NULL DEFAULT "local"',
            ),
            'bookly_notifications_queue' => array(
                'ALTER TABLE `%s` CHANGE `data` `data` LONGTEXT DEFAULT NULL'
            ),
        ) );
    }

    function update_21_8()
    {
        global $wpdb;

        $charset_collate = $wpdb->has_cap( 'collation' )
            ? $wpdb->get_charset_collate()
            : 'DEFAULT CHARACTER SET = utf8 COLLATE = utf8_general_ci';

        $wpdb->query(
            'CREATE TABLE IF NOT EXISTS `' . $this->getTableName( 'bookly_notifications_queue' ) . '` (
                `id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
                `token` VARCHAR(255) NOT NULL,
                `data` TEXT DEFAULT NULL,
                `sent` TINYINT(1) DEFAULT 0,
                `created_at` DATETIME NOT NULL
            ) ENGINE = INNODB
            ' . $charset_collate
        );
    }

    function update_21_7()
    {
        $this->alterTables( array(
            'bookly_services' => array(
                'ALTER TABLE `%s` MODIFY slot_length VARCHAR(32) DEFAULT \'default\' NOT NULL',
                'ALTER TABLE `%s` MODIFY color VARCHAR(32) DEFAULT \'#FFFFFF\' NOT NULL',
                'ALTER TABLE `%s` MODIFY deposit VARCHAR(16) DEFAULT \'100%%\' NOT NULL',
                'ALTER TABLE `%s` MODIFY start_time_info VARCHAR(32) DEFAULT \'\' NULL',
                'ALTER TABLE `%s` MODIFY end_time_info VARCHAR(32) DEFAULT \'\' NULL',
                'ALTER TABLE `%s` ADD COLUMN `waiting_list_capacity` INT UNSIGNED DEFAULT NULL AFTER `capacity_max`',
            ),
            'bookly_payments' => array(
                'ALTER TABLE `%s` MODIFY target ENUM (\'appointments\', \'packages\', \'gift_cards\') DEFAULT \'appointments\' NOT NULL',
            ),
        ) );

        if ( ! $this->existsColumn( 'bookly_services', 'gateways' ) ) {
            $this->alterTables( array(
                'bookly_services' => array(
                    'ALTER TABLE `%s` ADD COLUMN `gateways` VARCHAR(255) DEFAULT NULL',
                ),
            ) );
        }

        add_option( 'bookly_email_gateway', 'wp' );
        add_option( 'bookly_smtp_host', '' );
        add_option( 'bookly_smtp_port', '' );
        add_option( 'bookly_smtp_user', '' );
        add_option( 'bookly_smtp_password', '' );
        add_option( 'bookly_smtp_secure', 'none' );
    }

    function update_21_6()
    {
        add_option( 'bookly_app_show_slots', get_option( 'bookly_app_show_single_slot', false ) ? 'single' : 'all' );
        delete_option( 'bookly_app_show_single_slot' );
    }

    function update_21_5()
    {
        $this->alterTables( array(
            'bookly_services' => array(
                'ALTER TABLE `%s` ADD COLUMN `gateways` VARCHAR(255) DEFAULT NULL',
            ),
            'bookly_sessions' => array(
                'ALTER TABLE `%s` ADD COLUMN `name` VARCHAR(255) DEFAULT NULL AFTER `token`',
            ),
            'bookly_notifications' => array(
                'ALTER TABLE `%s` CHANGE `gateway` `gateway` ENUM("email","sms","voice","whatsapp") NOT NULL DEFAULT "email"',
            ),
        ) );
    }

    function update_21_4()
    {
        $this->alterTables( array(
            'bookly_mailing_queue' => array(
                'ALTER TABLE `%s` ADD COLUMN `name` VARCHAR(255) DEFAULT NULL AFTER `phone`',
            ),
            'bookly_notifications' => array(
                'UPDATE `%s` SET `type` = \'appointment_reminder\' WHERE `type` = \'verify_email\' and `gateway` = \'voice\'',
            ),
        ) );
    }

    function update_21_3()
    {
        global $wpdb;

        $charset_collate = $wpdb->has_cap( 'collation' )
            ? $wpdb->get_charset_collate()
            : 'DEFAULT CHARACTER SET = utf8 COLLATE = utf8_general_ci';

        $wpdb->query(
            'CREATE TABLE IF NOT EXISTS `' . $this->getTableName( 'bookly_sessions' ) . '` (
                `id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
                `token` VARCHAR(255) NOT NULL,
                `value` TEXT DEFAULT NULL,
                `expire` DATETIME NOT NULL,
                INDEX `token` (`token`),
                INDEX `expire` (`expire`)
            ) ENGINE = INNODB
            ' . $charset_collate
        );

        $this->alterTables( array(
            'bookly_notifications' => array(
                'ALTER TABLE `%s` CHANGE `gateway` `gateway` ENUM("email","sms","voice") NOT NULL DEFAULT "email"',
            ),
            'bookly_payments' => array(
                'ALTER TABLE `%s` CHANGE `type` `type` ENUM("local", "free", "paypal", "authorize_net", "stripe", "2checkout", "payu_biz", "payu_latam", "payson", "mollie", "woocommerce", "cloud_stripe", "cloud_square", "cloud_gift" ) NOT NULL DEFAULT "local"',
            ),
        ) );

        add_option( 'bookly_gen_session_type', 'php' );

        $this->addL10nOptions( array(
            'bookly_l10n_button_time_prev' => __( '&lt;', 'bookly' ),
            'bookly_l10n_button_time_next' => __( '&gt;', 'bookly' ),
        ) );

        $this->addNotifications( array(
            array(
                'gateway' => 'voice',
                'type' => 'appointment_reminder',
                'name' => __( 'Evening reminder to customer about next day appointment (requires cron setup)', 'bookly' ),
                'message' => __( "Dear {client_name}.\nWe would like to remind you that you have booked {service_name} tomorrow at {appointment_time}. We are waiting for you at {company_address}.\nThank you for choosing our company.\n{company_name}\n{company_phone}\n{company_website}", 'bookly' ),
                'to_customer' => 1,
                'settings' => '{"status":"any","option":2,"services":{"any":"any","ids":[]},"offset_hours":1,"perform":"before","at_hour":18,"before_at_hour":18,"offset_before_hours":-24,"offset_bidirectional_hours":-24}',
            ),
        ) );
    }

    function update_21_2()
    {
        $currency = get_option( 'bookly_pmt_currency' );
        if ( $currency === 'RMB' ) {
            update_option( 'bookly_pmt_currency', 'CNY' );
        }
        $this->alterTables( array(
            'bookly_payments' => array(
                'ALTER TABLE `%s` ADD COLUMN `gift_card_id` INT UNSIGNED DEFAULT NULL AFTER `coupon_id`',
                'ALTER TABLE `%s` CHANGE `type` `type` ENUM("local", "free", "paypal", "authorize_net", "stripe", "2checkout", "payu_biz", "payu_latam", "payson", "mollie", "woocommerce", "cloud_stripe", "square", "gift_card") NOT NULL DEFAULT "local"',
            ),
        ) );
    }

    function update_21_1()
    {
        $this->alterTables( array(
            'bookly_shop' => array(
                'TRUNCATE TABLE `%s`',
                'ALTER TABLE `%s` ADD COLUMN `image` VARCHAR(255) NOT NULL AFTER `icon`',
            ),
        ) );
    }

    function update_21_0()
    {
        $this->alterTables( array(
            'bookly_log' => array(
                'ALTER TABLE `%s` CHANGE `action` `action` ENUM("create","update","delete","error") DEFAULT NULL',
            ),
            'bookly_categories' => array(
                'ALTER TABLE `%s` ADD COLUMN `info` TEXT DEFAULT NULL AFTER `name`',
                'ALTER TABLE `%s` ADD COLUMN `attachment_id` INT UNSIGNED DEFAULT NULL AFTER `name`',
            ),
            'bookly_payments' => array(
                'ALTER TABLE `%s` CHANGE `type` `type` ENUM("local", "free", "paypal", "authorize_net", "stripe", "2checkout", "payu_biz", "payu_latam", "payson", "mollie", "woocommerce", "cloud_stripe", "square") NOT NULL DEFAULT "local"',
            ),
        ) );
        add_option( 'bookly_gen_delete_data_on_uninstall', '0' );
        add_option( 'bookly_app_show_category_info', '0' );
    }

    function update_20_9()
    {
        $this->alterTables( array(
            'bookly_services' => array(
                'ALTER TABLE `%s` CHANGE `online_meetings` `online_meetings` ENUM("off","zoom","google_meet","jitsi","bbb") NOT NULL DEFAULT "off"',
            ),
            'bookly_appointments' => array(
                'ALTER TABLE `%s` CHANGE `online_meeting_provider` `online_meeting_provider` ENUM("zoom","google_meet","jitsi","bbb") DEFAULT NULL',
            ),
        ) );
        add_option( 'bookly_cloud_cron_api_key', '' );
        $options = array(
            'bookly_l10n_qr_code_description' => 'bookly_l10n_ics_customer_template',
        );

        $this->renameL10nStrings( $options );
        if ( ! get_option( 'bookly_l10n_ics_customer_template' ) ) {
            update_option( 'bookly_l10n_ics_customer_template', "{service_name}\n{staff_name}" );
        }

        add_option( 'bookly_ics_staff_template', "{client_name}\n{client_phone}\n{status}" );
    }

    function update_20_8()
    {
        $this->alterTables( array(
            'bookly_mailing_queue' => array(
                'ALTER TABLE `%s` ADD COLUMN `campaign_id` INT NOT NULL DEFAULT 0 AFTER `sent`',
            ),
            'bookly_mailing_campaigns' => array(
                'ALTER TABLE `%s` CHANGE COLUMN `state` `state` ENUM(\'pending\', \'in-progress\', \'completed\', \'canceled\') NOT NULL DEFAULT \'pending\'',
            ),
        ) );

        $this->dropTableColumns( 'bookly_customer_appointments', array( 'extras_consider_duration' ) );
    }

    function update_20_6()
    {
        $this->alterTables( array(
            'bookly_payments' => array(
                'ALTER TABLE `%s` ADD COLUMN `target` ENUM("appointments","packages") NOT NULL DEFAULT "appointments" AFTER `id`',
                'ALTER TABLE `%s` ADD COLUMN `ref_id` VARCHAR(255) DEFAULT NULL AFTER `details`',
                'ALTER TABLE `%s` CHANGE COLUMN `status` `status` ENUM("pending","completed","rejected","refunded") NOT NULL DEFAULT "completed"',
            ),
        ) );

        add_option( 'bookly_cloud_stripe_custom_metadata', '0' );
        add_option( 'bookly_cloud_stripe_metadata', array() );
        add_option( 'bookly_cal_show_new_appointments_badge', '0' );
        add_option( 'bookly_cal_last_seen_appointment', '0' );
    }

    function update_20_5()
    {
        global $wpdb;

        $charset_collate = $wpdb->has_cap( 'collation' )
            ? $wpdb->get_charset_collate()
            : 'DEFAULT CHARACTER SET = utf8 COLLATE = utf8_general_ci';

        $wpdb->query(
            'CREATE TABLE IF NOT EXISTS `' . $this->getTableName( 'bookly_mailing_lists' ) . '` (
                `id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
                `name` VARCHAR(255) DEFAULT NULL
            ) ENGINE = INNODB
            ' . $charset_collate
        );

        $wpdb->query(
            'CREATE TABLE IF NOT EXISTS `' . $this->getTableName( 'bookly_mailing_list_recipients' ) . '` (
                `id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
                `mailing_list_id` INT UNSIGNED NOT NULL,
                `name` VARCHAR(255) DEFAULT NULL,
                `phone` VARCHAR(255) DEFAULT NULL,
                `created_at` DATETIME NOT NULL,
            CONSTRAINT
                FOREIGN KEY (mailing_list_id)
                REFERENCES ' . $this->getTableName( 'bookly_mailing_lists' ) . ' (`id`)
                ON DELETE CASCADE
                ON UPDATE CASCADE
            ) ENGINE = INNODB
            ' . $charset_collate
        );

        $wpdb->query(
            'CREATE TABLE IF NOT EXISTS `' . $this->getTableName( 'bookly_mailing_campaigns' ) . '` (
                `id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
                `mailing_list_id` INT UNSIGNED NULL,
                `name` VARCHAR(255) DEFAULT NULL,
                `text` TEXT DEFAULT NULL,
                `state`  ENUM("pending","completed") NOT NULL DEFAULT "pending",
                `send_at` DATETIME NOT NULL,
                `created_at` DATETIME NOT NULL,
            CONSTRAINT
                FOREIGN KEY (mailing_list_id)
                REFERENCES ' . $this->getTableName( 'bookly_mailing_lists' ) . ' (`id`)
                ON DELETE SET NULL 
                ON UPDATE CASCADE
            ) ENGINE = INNODB
            ' . $charset_collate
        );

        $wpdb->query(
            'CREATE TABLE IF NOT EXISTS `' . $this->getTableName( 'bookly_mailing_queue' ) . '` (
                `id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
                `phone` VARCHAR(255) NOT NULL,
                `text` TEXT DEFAULT NULL,
                `sent` TINYINT(1) DEFAULT 0,
                `created_at` DATETIME NOT NULL
            ) ENGINE = INNODB
            ' . $charset_collate
        );

        $this->alterTables( array(
            'bookly_services' => array(
                'ALTER TABLE `%s` CHANGE `online_meetings` `online_meetings` ENUM("off","zoom","google_meet","jitsi") NOT NULL DEFAULT "off"',
            ),
            'bookly_appointments' => array(
                'ALTER TABLE `%s` CHANGE `online_meeting_provider` `online_meeting_provider` ENUM("zoom","google_meet","jitsi") DEFAULT NULL',
            ),
        ) );

        add_option( 'bookly_cloud_auto_recharge_end_at', '' );
        add_option( 'bookly_cloud_auto_recharge_end_at_ts', '0' );
        add_option( 'bookly_cloud_auto_recharge_gateway', '' );
        add_option( 'bookly_cloud_renew_auto_recharge_notice_hide_until', '-1' );
        add_option( 'bookly_cloud_badge_consider_sms', '1' );
        add_option( 'bookly_cal_month_view_style', 'classic' );
        add_option( 'bookly_gen_badge_consider_news', '1' );
    }

    function update_20_4()
    {
        $self = $this;

        $disposable_options[] = $this->disposable( __FUNCTION__ . '-add-tokens-1', function() use ( $self ) {
            $self->alterTables( array(
                'bookly_staff' => array(
                    'ALTER TABLE `%s` ADD COLUMN `gateways` VARCHAR(255) DEFAULT NULL',
                    'ALTER TABLE `%s` ADD COLUMN `icalendar_days_after` INT NOT NULL DEFAULT 365 AFTER `zoom_oauth_token`',
                    'ALTER TABLE `%s` ADD COLUMN `icalendar_days_before` INT NOT NULL DEFAULT 365 AFTER `zoom_oauth_token`',
                    'ALTER TABLE `%s` ADD COLUMN `icalendar_token` VARCHAR(255) DEFAULT NULL AFTER `zoom_oauth_token`',
                    'ALTER TABLE `%s` ADD COLUMN `icalendar` TINYINT(1) NOT NULL DEFAULT 0 AFTER `zoom_oauth_token`',
                ),
            ) );

            add_option( 'bookly_app_show_terms', '0' );
            add_option( 'bookly_app_show_download_ics', '0' );
            add_option( 'bookly_co_email' );
            add_option( 'bookly_co_industry' );
            add_option( 'bookly_co_size' );

            $self->addL10nOptions( array(
                'bookly_l10n_button_download_ics' => __( 'Download ICS', 'bookly' ),
                'bookly_l10n_label_terms' => __( 'I agree to the terms of service', 'bookly' ),
                'bookly_l10n_error_terms' => __( 'You must accept our terms', 'bookly' ),
            ) );
        } );

        $disposable_options[] = $this->disposable( __FUNCTION__ . '-add-tokens-2', function() use ( $self ) {
            /** @global \wpdb $wpdb */
            global $wpdb;

            // Setup tokens for existing payments
            $staff_table = $self->getTableName( 'bookly_staff' );

            $wpdb->query( $wpdb->prepare( 'UPDATE `' . $staff_table . '` SET `icalendar_token` = MD5(CONCAT(%s,id)) WHERE icalendar_token IS NULL', md5( uniqid( time(), true ) ) ) );
        } );

        foreach ( $disposable_options as $option_name ) {
            delete_option( $option_name );
        }
    }

    function update_20_3()
    {
        global $wpdb;

        $charset_collate = $wpdb->has_cap( 'collation' )
            ? $wpdb->get_charset_collate()
            : 'DEFAULT CHARACTER SET = utf8 COLLATE = utf8_general_ci';

        $wpdb->query(
            'CREATE TABLE IF NOT EXISTS `' . $this->getTableName( 'bookly_orders' ) . '` (
                `id`         INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
                `token`      VARCHAR(255) DEFAULT NULL
              ) ENGINE = INNODB
              ' . $charset_collate
        );

        $this->alterTables( array(
            'bookly_services' => array(
                'ALTER TABLE `%s` CHANGE `online_meetings` `online_meetings` ENUM("off","zoom","google_meet") NOT NULL DEFAULT "off"',
            ),
            'bookly_appointments' => array(
                'ALTER TABLE `%s` CHANGE `online_meeting_provider` `online_meeting_provider` ENUM("zoom", "google_meet") DEFAULT NULL',
            ),
            'bookly_customer_appointments' => array(
                'ALTER TABLE `%s` ADD COLUMN `order_id` INT UNSIGNED DEFAULT NULL AFTER `payment_id`',
                'ALTER TABLE `%s` ADD CONSTRAINT FOREIGN KEY (`order_id`) REFERENCES `' . $this->getTableName( 'bookly_orders' ) . '` (`id`) ON DELETE SET NULL ON UPDATE CASCADE',
            ),
        ) );

        add_option( 'bookly_app_show_single_slot', '0' );
    }

    function update_20_2()
    {
        global $wpdb;

        $wpdb->query( $wpdb->prepare( 'DROP TABLE IF EXISTS `%s`', $this->getTableName( 'bookly_messages' ) ) );

        $charset_collate = $wpdb->has_cap( 'collation' )
            ? $wpdb->get_charset_collate()
            : 'DEFAULT CHARACTER SET = utf8 COLLATE = utf8_general_ci';

        $wpdb->query(
            'CREATE TABLE IF NOT EXISTS `' . $this->getTableName( 'bookly_news' ) . '` (
                `id`          INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
                `news_id`     INT UNSIGNED NOT NULL,
                `title`       TEXT,
                `media_type`  ENUM("image","youtube") NOT NULL DEFAULT "image",
                `media_url`   VARCHAR(255) NOT NULL,
                `text`        TEXT,
                `button_url`  VARCHAR(255) DEFAULT NULL,
                `button_text` VARCHAR(255) DEFAULT NULL,
                `seen`        TINYINT(1) NOT NULL DEFAULT 0,
                `updated_at`  DATETIME NOT NULL,
                `created_at`  DATETIME NOT NULL
              ) ENGINE = INNODB
              ' . $charset_collate
        );

        $this->addL10nOptions( array(
            'bookly_l10n_step_service_service_info' => '{service_info}',
            'bookly_l10n_step_service_staff_info' => '{staff_info}',
        ) );

        $this->renameOptions( array(
            'bookly_gen_default_appointment_status' => 'bookly_appointment_default_status',
            'bookly_cst_cancel_action' => 'bookly_appointment_cancel_action',
        ) );

        add_option( 'bookly_app_show_staff_info', '0' );
    }

    function update_20_1()
    {
        $this->alterTables( array(
            'bookly_services' => array(
                'ALTER TABLE `%s` ADD COLUMN `attachment_id` INT UNSIGNED DEFAULT NULL AFTER `title`',
                'ALTER TABLE `%s` ADD COLUMN `min_time_prior_cancel` INT DEFAULT NULL AFTER `wc_cart_info`',
                'ALTER TABLE `%s` ADD COLUMN `min_time_prior_booking` INT DEFAULT NULL AFTER `wc_cart_info`',
            ),
            'bookly_staff' => array(
                'ALTER TABLE `%s` ADD COLUMN `color` VARCHAR(255) NOT NULL DEFAULT "#dddddd"',
            ),
        ) );
        add_option( 'bookly_cal_coloring_mode', 'service' );
        add_option( 'bookly_appointment_status_pending_color', '#1e73be' );
        add_option( 'bookly_appointment_status_approved_color', '#81d742' );
        add_option( 'bookly_appointment_status_cancelled_color', '#eeee22' );
        add_option( 'bookly_appointment_status_rejected_color', '#dd3333' );
        add_option( 'bookly_appointment_status_mixed_color', '#8224e3' );
    }

    function update_20_0()
    {
        $this->alterTables( array(
            'bookly_services' => array(
                'ALTER TABLE `%s` ADD COLUMN `wc_cart_info` TEXT DEFAULT NULL AFTER `final_step_url`',
                'ALTER TABLE `%s` ADD COLUMN `wc_cart_info_name` VARCHAR(255) DEFAULT NULL AFTER `final_step_url`',
                'ALTER TABLE `%s` ADD COLUMN `wc_product_id` INT UNSIGNED NOT NULL DEFAULT 0 AFTER `final_step_url`',
            ),
        ) );

        if ( get_option( 'bookly_cst_verify_customer_details' ) === 'always' ) {
            if ( in_array( 'phone', get_option( 'bookly_cst_required_details', array() ) ) ) {
                update_option( 'bookly_cst_verify_customer_details', 'always_phone' );
            } else {
                update_option( 'bookly_cst_verify_customer_details', 'always_email' );
            }
        }
    }

    function update_19_9()
    {
        add_option( 'bookly_app_show_service_info', '0' );
        add_option( 'bookly_cst_verify_customer_details', '0' );

        $this->addNotifications( array(
                array(
                    'gateway' => 'email',
                    'type' => 'verify_email',
                    'name' => __( 'Notification to customer with verification code', 'bookly' ),
                    'subject' => __( 'Bookly verification code', 'bookly' ),
                    'message' => '{verification_code}',
                    'active' => 1,
                    'to_customer' => 1,
                    'settings' => '[]',
                ),
                array(
                    'gateway' => 'sms',
                    'type' => 'verify_phone',
                    'name' => __( 'Notification to customer with verification code', 'bookly' ),
                    'message' => '{verification_code}',
                    'active' => 1,
                    'to_customer' => 1,
                    'settings' => '[]',
                ),
            )
        );
    }

    function update_19_8()
    {
        $this->addL10nOptions( array(
            'bookly_l10n_email_in_use' => __( 'This email is already in use', 'bookly' ),
        ) );

        $this->alterTables( array(
            'bookly_services' => array(
                'ALTER TABLE `%s` ADD COLUMN `final_step_url` VARCHAR(512) NOT NULL DEFAULT "" AFTER `online_meetings`',
            ),
        ) );
    }

    function update_19_6()
    {
        global $wpdb;

        $this->alterTables( array(
            'bookly_staff' => array(
                'ALTER TABLE `%s` ADD COLUMN `zoom_authentication` ENUM("default", "jwt", "oauth") NOT NULL DEFAULT "default"',
                'ALTER TABLE `%s` ADD COLUMN `zoom_oauth_token` TEXT DEFAULT NULL',
            ),
        ) );

        $staff_table = $this->getTableName( 'bookly_staff' );
        $wpdb->update( $staff_table, array( 'zoom_authentication' => 'jwt' ), array( 'zoom_personal' => '1' ) );

        $this->dropTableColumns( 'bookly_staff', array( 'zoom_personal' ) );
    }

    function update_19_5()
    {
        $this->alterTables( array(
            'bookly_notifications' => array(
                'ALTER TABLE `%s` ADD COLUMN `custom_recipients` VARCHAR(255) DEFAULT NULL AFTER `to_admin`',
                'ALTER TABLE `%s` ADD COLUMN `to_custom` TINYINT(1) NULL DEFAULT 0 AFTER `to_admin`',
            ),
        ) );
    }

    function update_19_3()
    {
        $this->alterTables( array(
            'bookly_appointments' => array(
                'ALTER TABLE `%s` CHANGE COLUMN `updated_at` `updated_at` DATETIME NOT NULL',
            ),
            'bookly_customer_appointments' => array(
                'ALTER TABLE `%s` CHANGE COLUMN `updated_at` `updated_at` DATETIME NOT NULL',
            ),
            'bookly_payments' => array(
                'ALTER TABLE `%s` CHANGE COLUMN `updated_at` `updated_at` DATETIME NOT NULL',
            ),
        ) );
        $this->addL10nOptions( array(
            'bookly_l10n_step_done_button_start_over' => __( 'Start over', 'bookly' ),
        ) );

        add_option( 'bookly_app_show_start_over', '0' );
        add_option( 'bookly_gen_prevent_session_locking', '0' );
    }

    function update_19_0()
    {
        $this->alterTables( array(
            'bookly_staff' => array(
                'ALTER TABLE `%s` ADD COLUMN `zoom_personal` TINYINT(1) NULL DEFAULT 0',
                'ALTER TABLE `%s` ADD COLUMN `zoom_jwt_api_key` VARCHAR(255) DEFAULT NULL',
                'ALTER TABLE `%s` ADD COLUMN `zoom_jwt_api_secret` VARCHAR(255) DEFAULT NULL',
            ),
            'bookly_customers' => array(
                'ALTER TABLE `%s` ADD COLUMN `stripe_account` VARCHAR(255) DEFAULT NULL AFTER `info_fields`',
            ),
        ) );
    }

    function update_18_9()
    {
        global $wpdb;

        $charset_collate = $wpdb->has_cap( 'collation' )
            ? $wpdb->get_charset_collate()
            : 'DEFAULT CHARACTER SET = utf8 COLLATE = utf8_general_ci';

        $wpdb->query(
            'CREATE TABLE IF NOT EXISTS `' . $this->getTableName( 'bookly_log' ) . '` (
                `id`         INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
                `action`     ENUM("create","update","delete") DEFAULT NULL,
                `target`     VARCHAR(255) DEFAULT NULL,
                `target_id`  INT UNSIGNED DEFAULT NULL,
                `author`     VARCHAR(255) DEFAULT NULL,
                `details`    TEXT DEFAULT NULL,
                `ref`        VARCHAR(255) DEFAULT NULL,
                `comment`    VARCHAR(255) DEFAULT NULL,
                `created_at` DATETIME NOT NULL
              ) ENGINE = INNODB
              ' . $charset_collate
        );

        $this->alterTables( array(
            'bookly_staff' => array(
                'ALTER TABLE `%s` ADD COLUMN `time_zone` VARCHAR(255) DEFAULT NULL AFTER `phone`',
            ),
        ) );

        add_option( 'bookly_logs_enabled', '0' );

        $this->renameOptions( array(
            'bookly_app_show_powered_by' => 'bookly_gen_show_powered_by',
            'bookly_app_prevent_caching' => 'bookly_gen_prevent_caching',
        ) );

        if ( get_option( 'bookly_cloud_notify_weekly_summary' ) && get_option( 'bookly_cloud_token' ) ) {
            wp_remote_post( 'https://cloud.bookly.pro/1.0/users/' . get_option( 'bookly_cloud_token' ) . '/weekly-summary/send', array(
                'sslverify' => false,
                'timeout' => 10,
                'body' => array( 'site_url' => site_url(), 'bookly' => '18.9', ),
            ) );
        }
        delete_option( 'bookly_cloud_notify_weekly_summary' );
        delete_option( 'bookly_cloud_notify_weekly_summary_sent' );
    }

    function update_18_7()
    {
        global $wpdb;

        $self = $this;

        $disposable_options[] = $this->disposable( __FUNCTION__ . '-change-schema', function() use ( $self ) {
            $self->alterTables( array(
                'bookly_appointments' => array(
                    'ALTER TABLE `%s` ADD COLUMN `updated_at` DATETIME DEFAULT NULL',
                ),
                'bookly_customer_appointments' => array(
                    'ALTER TABLE `%s` ADD COLUMN `updated_at` DATETIME DEFAULT NULL',
                ),
                'bookly_payments' => array(
                    'ALTER TABLE `%s` ADD COLUMN `updated_at` DATETIME DEFAULT NULL',
                ),
            ) );
        } );

        $disposable_options[] = $this->disposable( __FUNCTION__ . '-set-updated_at', function() use ( $self, $wpdb ) {
            foreach ( array( 'bookly_appointments', 'bookly_customer_appointments', 'bookly_payments' ) as $table ) {
                $wpdb->query( 'UPDATE `' . $self->getTableName( $table ) . '` SET `updated_at` = `created` WHERE `updated_at` IS null' );
            }
        } );
        $disposable_options[] = $this->disposable( __FUNCTION__ . '-rename', function() use ( $self ) {
            $self->alterTables( array(
                'bookly_appointments' => array(
                    'ALTER TABLE `%s` CHANGE COLUMN `updated_at` `updated_at` DATETIME NOT NULL',
                    'ALTER TABLE `%s` CHANGE COLUMN `created` `created_at` DATETIME NOT NULL',
                ),
                'bookly_customers' => array(
                    'ALTER TABLE `%s` CHANGE COLUMN `created` `created_at` DATETIME NOT NULL',
                ),
                'bookly_customer_appointments' => array(
                    'ALTER TABLE `%s` CHANGE COLUMN `updated_at` `updated_at` DATETIME NOT NULL',
                    'ALTER TABLE `%s` CHANGE COLUMN `created` `created_at` DATETIME NOT NULL',
                ),
                'bookly_messages' => array(
                    'ALTER TABLE `%s` CHANGE COLUMN `created` `created_at` DATETIME NOT NULL',
                ),
                'bookly_payments' => array(
                    'ALTER TABLE `%s` CHANGE COLUMN `updated_at` `updated_at` DATETIME NOT NULL',
                    'ALTER TABLE `%s` CHANGE COLUMN `created` `created_at` DATETIME NOT NULL',
                ),
                'bookly_sent_notifications' => array(
                    'ALTER TABLE `%s` CHANGE COLUMN `created` `created_at` DATETIME NOT NULL',
                ),
                'bookly_shop' => array(
                    'ALTER TABLE `%s` CHANGE COLUMN `created` `created_at` DATETIME NOT NULL',
                ),
                'bookly_stats' => array(
                    'ALTER TABLE `%s` CHANGE COLUMN `created` `created_at` DATETIME NOT NULL',
                ),
            ) );
        } );

        add_option( 'bookly_cloud_zapier_api_key', '' );
        add_option( 'bookly_cal_show_only_business_days', '0' );
        add_option( 'bookly_cal_show_only_business_hours', '0' );
        add_option( 'bookly_cal_show_only_staff_with_appointments', '0' );

        foreach ( $disposable_options as $option_name ) {
            delete_option( $option_name );
        }
    }

    function update_18_6()
    {
        $this->addL10nOptions( array(
            'bookly_l10n_label_pay_cloud_stripe' => __( 'I will pay now with Credit Card', 'bookly' ),
        ) );

        add_option( 'bookly_cloud_stripe_enabled', '0' );
        add_option( 'bookly_cloud_stripe_timeout', '0' );
        add_option( 'bookly_cloud_stripe_increase', '0' );
        add_option( 'bookly_cloud_stripe_addition', '0' );

        $this->alterTables( array(
            'bookly_payments' => array(
                'ALTER TABLE `%s` CHANGE `type` `type` ENUM("local", "free", "paypal", "authorize_net", "stripe", "2checkout", "payu_biz", "payu_latam", "payson", "mollie", "woocommerce", "cloud_stripe") NOT NULL DEFAULT "local"',
            ),
            'bookly_services' => array(
                'ALTER TABLE `%s` ADD COLUMN `same_staff_for_subservices` TINYINT(1) NOT NULL DEFAULT 0 AFTER `end_time_info`',
            ),
            'bookly_appointments' => array(
                'ALTER TABLE `%s` ADD COLUMN `online_meeting_data` TEXT DEFAULT NULL AFTER `online_meeting_id`',
            ),
        ) );

        $this->renameOptions( array(
            'bookly_sms_notify_low_balance' => 'bookly_cloud_notify_low_balance',
            'bookly_sms_notify_weekly_summary' => 'bookly_cloud_notify_weekly_summary',
            'bookly_sms_notify_weekly_summary_sent' => 'bookly_cloud_notify_weekly_summary_sent',
            'bookly_sms_token' => 'bookly_cloud_token',
            'bookly_sms_promotions' => 'bookly_cloud_promotions',
        ) );
        $this->renameUserMeta( array(
            'bookly_dismiss_sms_confirm_email' => 'bookly_dismiss_cloud_confirm_email',
            'bookly_dismiss_sms_promotion_notices' => 'bookly_dismiss_cloud_promotion_notices',
            'bookly_sms_purchases_table_settings' => 'bookly_cloud_purchases_table_settings',
        ) );
        $this->deleteUserMeta( array( 'bookly_dismiss_sms_account_settings_notice' ) );
    }

    function update_18_4()
    {
        add_option( 'bookly_sms_promotions', array() );
        delete_option( 'bookly_sms_unverified_token' );
        delete_option( 'bookly_sms_unverified_username' );
    }

    function update_18_3()
    {
        $self = $this;
        $disposable_options[] = $this->disposable( __FUNCTION__ . '-add-tokens-1', function() use ( $self ) {
            $self->alterTables( array(
                'bookly_payments' => array(
                    'ALTER TABLE `%s` ADD COLUMN `token` VARCHAR(255) DEFAULT NULL AFTER `status`',
                ),
            ) );
        } );

        $disposable_options[] = $this->disposable( __FUNCTION__ . '-add-tokens-2', function() use ( $self ) {
            /** @global \wpdb $wpdb */
            global $wpdb;

            // Setup tokens for existing payments
            $payments_table = $self->getTableName( 'bookly_payments' );

            foreach ( $wpdb->get_results( 'SELECT id FROM `' . $payments_table . '` WHERE token IS NULL' ) as $record ) {
                $wpdb->query( $wpdb->prepare( 'UPDATE `' . $payments_table . '` SET `token` = %s WHERE id = %d', Utils\Common::generateToken( 'Bookly\Lib\Entities\Payment', 'token' ), $record->id ) );
            }
        } );

        foreach ( $disposable_options as $option_name ) {
            delete_option( $option_name );
        }
    }

    function update_18_0()
    {
        $this->alterTables( array(
            'bookly_services' => array(
                'ALTER TABLE `%s` ADD COLUMN `online_meetings` ENUM("off","zoom") NOT NULL DEFAULT "off" AFTER `collaborative_equal_duration`',
            ),
            'bookly_appointments' => array(
                'ALTER TABLE `%s` ADD COLUMN `online_meeting_provider` ENUM("zoom") DEFAULT NULL AFTER `outlook_event_series_id`',
                'ALTER TABLE `%s` ADD COLUMN `online_meeting_id` VARCHAR(255) DEFAULT NULL AFTER `online_meeting_provider`',
            ),
        ) );

        add_option( 'bookly_сa_count', '0' );
        $this->updateUserMeta( array( 'bookly_dismiss_nps_notice' => '0' ) );
    }

    function update_17_9()
    {
        $plugins = apply_filters( 'bookly_plugins', array() );

        if ( ! array_key_exists( 'bookly-addon-pro', $plugins ) ) {
            delete_option( 'bookly_l10n_label_ccard_code' );
            delete_option( 'bookly_l10n_label_ccard_expire' );
            delete_option( 'bookly_l10n_label_ccard_number' );
        }
        if ( ! array_key_exists( 'bookly-addon-mollie', $plugins ) ) {
            delete_option( 'bookly_l10n_label_pay_mollie' );
        }
        delete_option( 'bookly_l10n_label_pay_ccard' );

        foreach ( array( 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday', 'sunday' ) as $day ) {
            foreach ( array( 'start', 'end' ) as $tail ) {
                $option = sprintf( 'bookly_bh_%s_%s', $day, $tail );
                $value = get_option( $option );
                if ( $value != '' ) {
                    list( $hours, $minutes ) = explode( ':', $value );

                    update_option( $option, sprintf( '%02d:%02d:00', $hours, $minutes ) );
                }
            }
        }
    }

    function update_17_8()
    {
        global $wpdb;

        $meta_names = array(
            'bookly_filter_appointments_list',
            'bookly_filter_staff_list',
            'bookly_filter_services_list',
            'bookly_filter_staff_categories',
            'bookly_filter_services_categories',
        );
        $wpdb->query(
            $wpdb->prepare(
                sprintf(
                    'DELETE FROM `' . $wpdb->usermeta . '` WHERE meta_key IN (%s)',
                    implode( ', ', array_fill( 0, count( $meta_names ), '%s' ) )
                ), $meta_names
            )
        );
    }

    function update_17_7()
    {
        add_option( 'bookly_app_prevent_caching', '1' );
    }

    function update_17_6()
    {
        $this->alterTables( array(
            'bookly_payments' => array(
                'ALTER TABLE `%s` CHANGE `type` `type` ENUM("local", "free", "paypal", "authorize_net", "stripe", "2checkout", "payu_biz", "payu_latam", "payson", "mollie", "woocommerce") NOT NULL DEFAULT "local"',
            ),
        ) );

        $payments_table = $this->getTableName( 'bookly_payments' );

        $disposable_options[] = $this->disposable( __FUNCTION__ . '-add-gateway', function() use ( $payments_table ) {
            /** @global \wpdb $wpdb */
            global $wpdb;

            $update = 'UPDATE `' . $payments_table . '` SET `details` = %s WHERE id = %d';
            $records = $wpdb->get_results( 'SELECT id, `type`, `details` FROM `' . $payments_table . '` WHERE `details` NOT LIKE \'%"gateway"%\'', ARRAY_A );
            foreach ( $records as $record ) {
                $details = str_replace( '"extras_multiply_nop"', '"gateway":"' . $record['type'] . '","extras_multiply_nop"', $record['details'] );
                $wpdb->query( $wpdb->prepare( $update, $details, $record['id'] ) );
            }
        } );

        add_option( 'bookly_app_show_powered_by', '0' );

        foreach ( $disposable_options as $option_name ) {
            delete_option( $option_name );
        }
    }

    function update_17_5()
    {
        global $wpdb;

        $minutes = (int) get_option( 'bookly_gen_time_slot_length' );
        if ( $minutes > 0 ) {
            $wpdb->query( 'UPDATE `' . $this->getTableName( 'bookly_appointments' ) . '` SET end_date = DATE_ADD(start_date, INTERVAL ' . $minutes . ' MINUTE) WHERE start_date > end_date AND start_date IS NOT NULL AND end_date IS NOT NULL' );
        }
    }

    function update_17_3()
    {
        $this->upgradeCharsetCollate( array(
            'bookly_appointments',
            'bookly_categories',
            'bookly_customer_appointments',
            'bookly_customers',
            'bookly_holidays',
            'bookly_messages',
            'bookly_notifications',
            'bookly_payments',
            'bookly_schedule_item_breaks',
            'bookly_sent_notifications',
            'bookly_series',
            'bookly_services',
            'bookly_shop',
            'bookly_staff',
            'bookly_staff_schedule_items',
            'bookly_staff_services',
            'bookly_stats',
            'bookly_sub_services',
        ) );
    }

    function update_16_9()
    {
        $this->alterTables( array(
            'bookly_staff' => array(
                'ALTER TABLE `%s` ADD COLUMN `outlook_data` TEXT DEFAULT NULL AFTER `google_data`',
            ),
            'bookly_appointments' => array(
                'ALTER TABLE `%s` ADD COLUMN `outlook_event_id` VARCHAR(255) DEFAULT NULL AFTER `google_event_etag`',
                'ALTER TABLE `%s` ADD COLUMN `outlook_event_change_key` VARCHAR(255) DEFAULT NULL AFTER `outlook_event_id`',
                'ALTER TABLE `%s` ADD COLUMN `outlook_event_series_id` VARCHAR(255) DEFAULT NULL AFTER `outlook_event_change_key`',
                'ALTER TABLE `%s` CHANGE `created_from` `created_from` ENUM("bookly","google","outlook") NOT NULL DEFAULT "bookly"',
            ),
        ) );
    }

    function update_16_8()
    {
        global $wpdb;

        $self = $this;
        $default_settings = json_decode( '{"status":"any","option":2,"services":{"any":"any","ids":[]},"offset_hours":2,"perform":"before","at_hour":9,"before_at_hour":18,"offset_before_hours":-24,"offset_bidirectional_hours":0}', true );
        $notifications_table = $this->getTableName( 'bookly_notifications' );
        $notifications = array(
            'appointment_start_time' => array( 'type' => 'appointment_reminder', 'name' => __( 'Custom notification', 'bookly' ) . ': ' . __( 'Appointment reminder', 'bookly' ) ),
            'ca_created' => array( 'type' => 'new_booking', 'name' => __( 'Custom notification', 'bookly' ) . ': ' . __( 'New booking', 'bookly' ) ),
            'ca_status_changed' => array( 'type' => 'ca_status_changed', 'name' => __( 'Custom notification', 'bookly' ) . ': ' . __( 'Notification about customer\'s appointment status change', 'bookly' ) ),
            'client_approved_appointment' => array( 'type' => 'new_booking', 'name' => __( 'Notification to customer about approved appointment', 'bookly' ) ),
            'client_birthday_greeting' => array( 'type' => 'customer_birthday', 'name' => __( 'Customer birthday greeting (requires cron setup)', 'bookly' ) ),
            'client_cancelled_appointment' => array( 'type' => 'ca_status_changed', 'name' => __( 'Notification to customer about cancelled appointment', 'bookly' ) ),
            'client_follow_up' => array( 'type' => 'appointment_reminder', 'name' => __( 'Follow-up message in the same day after appointment (requires cron setup)', 'bookly' ) ),
            'client_pending_appointment' => array( 'type' => 'new_booking', 'name' => __( 'Notification to customer about pending appointment', 'bookly' ) ),
            'client_rejected_appointment' => array( 'type' => 'ca_status_changed', 'name' => __( 'Notification to customer about rejected appointment', 'bookly' ) ),
            'client_reminder' => array( 'type' => 'appointment_reminder', 'name' => __( 'Evening reminder to customer about next day appointment (requires cron setup)', 'bookly' ) ),
            'client_reminder_1st' => array( 'type' => 'appointment_reminder', 'name' => __( '1st reminder to customer about upcoming appointment (requires cron setup)', 'bookly' ) ),
            'client_reminder_2nd' => array( 'type' => 'appointment_reminder', 'name' => __( '2nd reminder to customer about upcoming appointment (requires cron setup)', 'bookly' ) ),
            'client_reminder_3rd' => array( 'type' => 'appointment_reminder', 'name' => __( '3rd reminder to customer about upcoming appointment (requires cron setup)', 'bookly' ) ),
            'last_appointment' => array( 'type' => 'last_appointment', 'name' => __( 'Custom notification', 'bookly' ) . ': ' . __( 'Last client\'s appointment', 'bookly' ) ),
            'staff_agenda' => array( 'type' => 'staff_day_agenda', 'name' => __( 'Evening notification with the next day agenda to staff member (requires cron setup)', 'bookly' ) ),
            'staff_approved_appointment' => array( 'type' => 'new_booking', 'name' => __( 'Notification to staff member about approved appointment', 'bookly' ) ),
            'staff_cancelled_appointment' => array( 'type' => 'ca_status_changed', 'name' => __( 'Notification to staff member about cancelled appointment', 'bookly' ) ),
            'staff_day_agenda' => array( 'type' => 'staff_day_agenda', 'name' => __( 'Custom notification', 'bookly' ) . ': ' . __( 'Full day agenda', 'bookly' ) ),
            'staff_pending_appointment' => array( 'type' => 'new_booking', 'name' => __( 'Notification to staff member about pending appointment', 'bookly' ) ),
            'staff_rejected_appointment' => array( 'type' => 'ca_status_changed', 'name' => __( 'Notification to staff member about rejected appointment', 'bookly' ) ),
        );

        // Changes in schema
        $disposable_options[] = $this->disposable( __FUNCTION__ . '-1', function() use ( $self, $wpdb, $notifications_table, $notifications, $default_settings ) {
            $wpdb->query( 'UPDATE `' . $wpdb->usermeta . '` SET meta_key = \'bookly_dismiss_feature_requests_description\' WHERE meta_key = \'bookly_feature_requests_rules_hide\'' );
            if ( ! $self->existsColumn( 'bookly_notifications', 'name' ) ) {
                $self->alterTables( array(
                    'bookly_notifications' => array(
                        'ALTER TABLE `%s` ADD COLUMN `name` VARCHAR(255) NOT NULL DEFAULT "" AFTER `active`',
                    ),
                ) );
            }
            $self->alterTables( array(
                'bookly_customer_appointments' => array(
                    'ALTER TABLE `%s` CHANGE `status` `status` VARCHAR(255) NOT NULL DEFAULT "approved"',
                ),
                'bookly_shop' => array(
                    'ALTER TABLE `%s` ADD COLUMN `demo_url` VARCHAR(255) DEFAULT NULL AFTER `type`',
                    'ALTER TABLE `%s` ADD COLUMN `priority` INT UNSIGNED DEFAULT 0 AFTER `type`',
                    'ALTER TABLE `%s` ADD COLUMN `highlighted` TINYINT(1) NOT NULL DEFAULT 0 AFTER `type`',
                ),
            ) );

            $update_name = 'UPDATE `' . $notifications_table . '` SET `name` = %s WHERE `type` = %s AND name = \'\'';
            foreach ( $notifications as $type => $value ) {
                $wpdb->query( $wpdb->prepare( $update_name, $value['name'], $type ) );

                switch ( substr( $type, 0, 6 ) ) {
                    case 'staff_':
                        $wpdb->query( sprintf( 'UPDATE `%s` SET `to_staff` = 1 WHERE `type` = "%s"', $notifications_table, $type ) );
                        break;
                    case 'client':
                        $wpdb->query( sprintf( 'UPDATE `%s` SET `to_customer` = 1 WHERE `type` = "%s"', $notifications_table, $type ) );
                        break;
                }
            }

            $update_settings = 'UPDATE `' . $notifications_table . '` SET `settings` = %s WHERE id = %d';
            $records = $wpdb->get_results( 'SELECT id, `settings`, `type` FROM `' . $notifications_table . '` WHERE `type` IN (\'appointment_start_time\', \'customer_birthday\', \'last_appointment\', \'ca_status_changed\', \'ca_created\')', ARRAY_A );
            foreach ( $records as $record ) {
                $new_settings = $default_settings;
                if ( $record['settings'] != '[]' && $record['settings'] != '' ) {
                    $current_settings = (array) json_decode( $record['settings'], true );
                    switch ( $record['type'] ) {
                        case 'appointment_start_time':
                        case 'last_appointment':
                            $set = $current_settings['existing_event_with_date_and_time'];
                            $new_settings['option'] = $set['option'];
                            $new_settings['offset_hours'] = $set['offset_hours'];
                            $new_settings['at_hour'] = $set['at_hour'];
                            $new_settings['offset_bidirectional_hours'] = $set['offset_bidirectional_hours'];
                            if ( $record['type'] !== 'last_appointment' ) {
                                if ( isset( $set['services']['any'] ) && $set['services']['any'] ) {
                                    $new_settings['services']['any'] = 'any';
                                } elseif ( isset( $set['services']['ids'] ) && is_array( $set['services']['ids'] ) && count( $set['services']['ids'] ) > 0 ) {
                                    $new_settings['services']['any'] = 'selected';
                                    $new_settings['services']['ids'] = $set['services']['ids'];
                                }
                            } else {
                                $new_settings['status'] = $set['status'];
                            }
                            break;
                        case 'staff_day_agenda':
                            $set = $current_settings['existing_event_with_date_before'];
                            $new_settings['at_hour'] = $set['at_hour'];
                            $new_settings['offset_bidirectional_hours'] = $set['offset_bidirectional_hours'];
                            break;
                        case 'customer_birthday':
                            $set = $current_settings['existing_event_with_date'];
                            $new_settings['at_hour'] = $set['at_hour'];
                            $new_settings['offset_bidirectional_hours'] = $set['offset_bidirectional_hours'];
                            break;
                        case 'ca_status_changed':
                        case 'ca_created':
                            $set = $current_settings['after_event'];
                            $new_settings['status'] = $set['status'];
                            $new_settings['option'] = $set['option'] - 1;
                            $new_settings['offset_hours'] = $set['offset_hours'];
                            $new_settings['at_hour'] = $set['at_hour'];
                            $new_settings['offset_bidirectional_hours'] = $set['offset_bidirectional_hours'];
                            if ( isset( $set['services']['any'] ) && $set['services']['any'] ) {
                                $new_settings['services']['any'] = 'any';
                            } elseif ( isset( $set['services']['ids'] ) && is_array( $set['services']['ids'] ) && count( $set['services']['ids'] ) > 0 ) {
                                $new_settings['services']['any'] = 'selected';
                                $new_settings['services']['ids'] = $set['services']['ids'];
                            }
                            break;
                    }
                }
                $wpdb->query( $wpdb->prepare( $update_settings, json_encode( $new_settings ), $record['id'] ) );
            }
        } );

        // WPML
        $disposable_options[] = $this->disposable( __FUNCTION__ . '-2', function() use ( $self, $wpdb, $notifications_table, $notifications ) {
            $records = $wpdb->get_results( $wpdb->prepare( 'SELECT id, `type`, `gateway` FROM `' . $notifications_table . '` WHERE COALESCE( `settings`, \'[]\' ) = \'[]\' AND `type` IN (' . implode( ', ', array_fill( 0, count( $notifications ), '%s' ) ) . ')', array_keys( $notifications ) ), ARRAY_A );
            $strings = array();
            foreach ( $records as $record ) {
                $type = $record['type'];
                if ( isset( $notifications[ $type ]['type'] ) && $type != $notifications[ $type ]['type'] ) {
                    $key = sprintf( '%s_%s_%d', $record['gateway'], $type, $record['id'] );
                    $value = sprintf( '%s_%s_%d', $record['gateway'], $notifications[ $type ]['type'], $record['id'] );
                    $strings[ $key ] = $value;
                    if ( $record['gateway'] == 'email' ) {
                        $strings[ $key . '_subject' ] = $value . '_subject';
                    }
                }
            }
            $self->renameL10nStrings( $strings, false );
        } );

        // Add settings for notifications
        $disposable_options[] = $this->disposable( __FUNCTION__ . '-3', function() use ( $wpdb, $notifications_table, $notifications, $default_settings ) {
            $combined_notifications = get_option( 'bookly_cst_combined_notifications', 'missing' );
            if ( $combined_notifications === 'missing' ) {
                $combined_notifications = (bool) $wpdb->query( 'SELECT 1 FROM `' . $notifications_table . '` WHERE `type` = \'new_booking_combined\' AND `active` = 1 LIMIT 1' );
            }
            $combined_notifications_disabled = (int) ! $combined_notifications;
            $cron_reminder_times = get_option( 'bookly_cron_reminder_times' );
            $insert_from_select = 'INSERT INTO `' . $notifications_table . '` (`gateway`, `name`, `subject`, `message`, `to_staff`, `to_customer`, `to_admin`, `attach_ics`, `attach_invoice`, `active`,  `settings`, `type`) 
                SELECT `gateway`, `name`, `subject`, `message`, `to_staff`, `to_customer`, `to_admin`, `attach_ics`, `attach_invoice`, %d, %s, %s
                  FROM `' . $notifications_table . '` WHERE id = %d';
            $update_settings = 'UPDATE `' . $notifications_table . '` SET `type` = %s, `settings` = %s, `active` = %d WHERE id = %d';

            $records = $wpdb->get_results( $wpdb->prepare( 'SELECT id, `type`, `gateway`, `message`, `subject`, `active`, `settings` FROM `' . $notifications_table . '` WHERE `type` IN (' . implode( ', ', array_fill( 0, count( $notifications ), '%s' ) ) . ')', array_keys( $notifications ) ), ARRAY_A );
            foreach ( $records as $record ) {
                if ( ! isset( $notifications[ $record['type'] ]['type'] )
                    || $notifications[ $record['type'] ]['type'] == $record['type']
                ) {
                    continue;
                }
                if ( $record['settings'] != '[]' && $record['settings'] != '' ) {
                    $settings = (array) json_decode( $record['settings'], true );
                } else {
                    $settings = $default_settings;
                    $settings['services']['any'] = 'any';
                    $settings['services']['ids'] = array();
                }
                $clone_type = null;
                $new_type = $notifications[ $record['type'] ]['type'];
                $new_active = $record['active'];
                if ( isset( $settings[ $new_type ]['services']['any'] ) && ! $settings[ $new_type ]['services']['any'] ) {
                    $settings['services']['ids'] = $settings[ $new_type ]['services']['ids'];
                    $settings['services']['any'] = 'selected';
                }
                switch ( $record['type'] ) {
                    case 'client_approved_appointment':
                        $settings['status'] = 'approved';
                        $clone_type = ( $combined_notifications_disabled && $record['active'] ) ? 'ca_status_changed' : null;
                        $new_active = $combined_notifications_disabled ? $record['active'] : 0;
                        break;
                    case 'client_birthday_greeting':
                        $settings['at_hour'] = (int) $cron_reminder_times['client_birthday_greeting'];
                        break;
                    case 'client_cancelled_appointment':
                        $settings['status'] = 'cancelled';
                        $clone_type = ( $combined_notifications_disabled && $record['active'] ) ? 'new_booking' : null;
                        break;
                    case 'client_follow_up':
                        $settings['option'] = 2;
                        $settings['at_hour'] = (int) $cron_reminder_times['client_follow_up'];
                        break;
                    case 'client_pending_appointment':
                        $settings['status'] = 'pending';
                        $clone_type = ( $combined_notifications_disabled && $record['active'] ) ? 'ca_status_changed' : null;
                        $new_active = $combined_notifications_disabled ? $record['active'] : 0;
                        break;
                    case 'client_rejected_appointment':
                        $settings['status'] = 'rejected';
                        $clone_type = ( $combined_notifications_disabled && $record['active'] ) ? 'new_booking' : null;
                        break;
                    case 'client_reminder':
                        $settings['option'] = 2;
                        $settings['offset_hours'] = 1;
                        $settings['perform'] = 'before';
                        $settings['at_hour'] = (int) $cron_reminder_times['client_reminder'];
                        $settings['offset_bidirectional_hours'] = -24;
                        break;
                    case 'client_reminder_1st':
                        $settings['option'] = 1;
                        $settings['offset_hours'] = (int) $cron_reminder_times['client_reminder_1st'];
                        $settings['perform'] = 'before';
                        $settings['at_hour'] = 18;
                        $settings['offset_bidirectional_hours'] = -24;
                        break;
                    case 'client_reminder_2nd':
                        $settings['option'] = 1;
                        $settings['offset_hours'] = (int) $cron_reminder_times['client_reminder_2nd'];
                        $settings['perform'] = 'before';
                        $settings['at_hour'] = 18;
                        $settings['offset_bidirectional_hours'] = -24;
                        break;
                    case 'client_reminder_3rd':
                        $settings['option'] = 1;
                        $settings['offset_hours'] = (int) $cron_reminder_times['client_reminder_3rd'];
                        $settings['perform'] = 'before';
                        $settings['at_hour'] = 18;
                        $settings['offset_bidirectional_hours'] = -24;
                        break;
                    case 'staff_agenda':
                        $settings['option'] = 3;
                        $settings['before_at_hour'] = (int) $cron_reminder_times['staff_agenda'];
                        $settings['offset_before_hours'] = -24;
                        break;
                    case 'staff_approved_appointment':
                        $settings['status'] = 'approved';
                        $clone_type = $record['active'] ? 'ca_status_changed' : null;
                        break;
                    case 'staff_cancelled_appointment':
                        $settings['status'] = 'cancelled';
                        $clone_type = $record['active'] ? 'new_booking' : null;
                        break;
                    case 'staff_pending_appointment':
                        $settings['status'] = 'pending';
                        $clone_type = $record['active'] ? 'ca_status_changed' : null;
                        break;
                    case 'staff_rejected_appointment':
                        $settings['status'] = 'rejected';
                        $clone_type = $record['active'] ? 'new_booking' : null;
                        break;
                }
                if ( $clone_type ) {
                    $wpdb->query( $wpdb->prepare( $insert_from_select, $new_active, json_encode( $settings ), $clone_type, $record['id'] ) );
                    $name = sprintf( '%s_%s_%d', $record['gateway'], $clone_type, $wpdb->insert_id );
                    do_action( 'wpml_register_single_string', 'bookly', $name, $record['message'] );
                    if ( $record['gateway'] == 'email' ) {
                        do_action( 'wpml_register_single_string', 'bookly', $name . '_subject', $record['subject'] );
                    }
                }
                $wpdb->query( $wpdb->prepare( $update_settings, $new_type, json_encode( $settings ), $new_active, $record['id'] ) );
            }
        } );

        delete_option( 'bookly_cron_reminder_times' );
        foreach ( $disposable_options as $option_name ) {
            delete_option( $option_name );
        }
    }

    function update_16_2()
    {
        global $wpdb;

        $this->dropTableForeignKeys( 'bookly_staff_schedule_items', array( 'staff_id' ) );

        $this->alterTables( array(
            'bookly_staff' => array(
                'ALTER TABLE `%s` ADD COLUMN `category_id` INT UNSIGNED DEFAULT NULL AFTER `id`',
                'ALTER TABLE `%s` ADD COLUMN `working_time_limit` INT UNSIGNED DEFAULT NULL AFTER `info`',
                'ALTER TABLE `%s` CHANGE COLUMN `visibility` `visibility` ENUM(\'public\',\'private\',\'archive\') NOT NULL DEFAULT \'public\'',
            ),
            'bookly_services' => array(
                'ALTER TABLE `%s` ADD COLUMN `time_requirements` ENUM("required","optional","off") NOT NULL DEFAULT "required" AFTER `recurrence_frequencies`',
                'ALTER TABLE `%s` CHANGE `type` `type` ENUM("simple","collaborative","compound","package") NOT NULL DEFAULT "simple"',
                'ALTER TABLE `%s` ADD COLUMN `collaborative_equal_duration` TINYINT(1) NOT NULL DEFAULT 0 AFTER `time_requirements`',
                'ALTER TABLE `%s` ADD COLUMN `deposit` VARCHAR(100) NOT NULL DEFAULT "100%%" AFTER `color`',
                'ALTER TABLE `%s` CHANGE `staff_preference` `staff_preference` ENUM("order", "least_occupied", "most_occupied", "least_occupied_for_period", "most_occupied_for_period", "least_expensive", "most_expensive") NOT NULL DEFAULT "most_expensive"',
                'ALTER TABLE `%s` ADD COLUMN `staff_preference_settings` TEXT DEFAULT NULL AFTER `staff_preference`',
                'ALTER TABLE `%s` ADD COLUMN `one_booking_per_slot` TINYINT(1) NOT NULL DEFAULT 0 AFTER `capacity_max`',
                'ALTER TABLE `%s` CHANGE `limit_period` `limit_period` ENUM("off","day","week","month","year","upcoming","calendar_day","calendar_week","calendar_month","calendar_year") NOT NULL DEFAULT "off"',
                'ALTER TABLE `%s` ADD COLUMN `slot_length` VARCHAR(255) NOT NULL DEFAULT "default" AFTER `duration`',
            ),
            'bookly_customer_appointments' => array(
                'ALTER TABLE `%s` ADD COLUMN `series_id` INT UNSIGNED DEFAULT NULL AFTER `id`',
                'ALTER TABLE `%s` ADD COLUMN `extras_consider_duration` TINYINT(1) NOT NULL DEFAULT 1 AFTER `extras`',
                'ALTER TABLE `%s` ADD COLUMN `extras_multiply_nop` TINYINT(1) NOT NULL DEFAULT 1 AFTER `extras`',
                'ALTER TABLE `%s` ADD CONSTRAINT FOREIGN KEY (`series_id`) REFERENCES `' . $this->getTableName( 'bookly_series' ) . '` (`id`) ON DELETE SET NULL ON UPDATE CASCADE',
                'ALTER TABLE `%s` ADD COLUMN `collaborative_token` VARCHAR(255) DEFAULT NULL AFTER `locale`',
                'ALTER TABLE `%s` ADD COLUMN `collaborative_service_id` INT UNSIGNED DEFAULT NULL AFTER `locale`',
            ),
            'bookly_staff_schedule_items' => array(
                'ALTER TABLE `%s` ADD COLUMN `location_id` INT UNSIGNED DEFAULT NULL AFTER `staff_id`',
                'ALTER TABLE `%s` DROP INDEX `unique_ids_idx`',
                'ALTER TABLE `%s` ADD CONSTRAINT FOREIGN KEY (`staff_id`) REFERENCES `' . $this->getTableName( 'bookly_staff' ) . '` (`id`) ON DELETE CASCADE ON UPDATE CASCADE',
                'ALTER TABLE `%s` ADD UNIQUE KEY unique_ids_idx (staff_id, day_index, location_id)',
            ),
            'bookly_appointments' => array(
                'ALTER TABLE `%s` ADD COLUMN `created` DATETIME DEFAULT NULL',
            ),
        ) );

        $wpdb->query( sprintf( 'UPDATE `%s` SET `staff_preference_settings` = "{}"', $this->getTableName( 'bookly_services' ) ) );
        $wpdb->query( sprintf( 'UPDATE `%s` `ca` LEFT JOIN `%s` `a` ON `a`.`id` = `ca`.`appointment_id` SET `ca`.`series_id`=`a`.`series_id`', $this->getTableName( 'bookly_customer_appointments' ), $this->getTableName( 'bookly_appointments' ) ) );

        $this->dropTableColumns( 'bookly_appointments', array( 'series_id' ) );

        $notifications_table = $this->getTableName( 'bookly_notifications' );
        $records = $wpdb->get_results(
            sprintf(
                'SELECT id, `settings` FROM `%s` WHERE `type` IN (\'appointment_start_time\', \'customer_birthday\', \'last_appointment\', \'ca_status_changed\', \'ca_created\')',
                $notifications_table
            ), ARRAY_A
        );

        $for_any_services = array( 'services' => array( 'any' => 1, 'ids' => array() ) );
        foreach ( $records as $record ) {
            $settings = (array) json_decode( $record['settings'], true );
            foreach ( array( 'after_event', 'existing_event_with_date_and_time' ) as $set ) {
                $result = array_merge( $for_any_services, $settings[ $set ] );
                $settings[ $set ] = $result;
            }
            $wpdb->query(
                sprintf(
                    'UPDATE `%s` SET `settings`= \'%s\' WHERE id = %d',
                    $notifications_table,
                    json_encode( $settings ),
                    $record['id']
                )
            );
        }

        add_option( 'bookly_app_align_buttons_left', '0' );
        add_option( 'bookly_app_show_email_confirm', '0' );

        $this->addL10nOptions( array(
            'bookly_l10n_label_email_confirm' => __( 'Confirm email', 'bookly' ),
            'bookly_l10n_email_confirm_not_match' => __( 'Email confirmation doesn\'t match', 'bookly' ),
        ) );
    }

    function update_16_0()
    {
        global $wpdb;

        $this->alterTables( array(
            'ab_appointments' => array(
                'ALTER TABLE `%s` CHANGE COLUMN `start_date` `start_date` DATETIME DEFAULT NULL',
                'ALTER TABLE `%s` CHANGE COLUMN `end_date` `end_date` DATETIME DEFAULT NULL',
            ),
            'ab_customer_appointments' => array(
                'ALTER TABLE `%s` CHANGE COLUMN `status` `status` ENUM("pending","approved","cancelled","rejected","waitlisted","done") NOT NULL DEFAULT "approved"',
            ),
            'ab_customers' => array(
                'ALTER TABLE `%s` ADD COLUMN `street_number` VARCHAR(255) DEFAULT NULL AFTER `street`',
            ),
        ) );

        $bookly_cst_address_show_fields = get_option( 'bookly_cst_address_show_fields' );
        $bookly_cst_address_show_fields['street_number'] = array( 'show' => 1 );
        update_option( 'bookly_cst_address_show_fields', $bookly_cst_address_show_fields );

        $this->renameOptions( array(
            'bookly_lic_repeat_time' => 'bookly_pr_show_time',
        ) );

        add_option( 'bookly_pr_data', array(
            'SW1wb3J0YW50ITxicj5JdCBsb29rcyBsaWtlIHlvdSBhcmUgdXNpbmcgYW4gaWxsZWdhbCBjb3B5IG9mIEJvb2tseS4gQW5kIGl0IG1heSBjb250YWluIGEgbWFsaWNpb3VzIGNvZGUsIGEgdHJvamFuIG9yIGEgYmFja2Rvb3Iu',
            'Q29uc2lkZXIgc3dpdGNoaW5nIHRvIHRoZSBsZWdhbCBjb3B5IG9mIEJvb2tseSB0aGF0IGluY2x1ZGVzIGFsbCBmZWF0dXJlcywgbGlmZXRpbWUgZnJlZSB1cGRhdGVzLCBhbmQgMjQvNyBzdXBwb3J0Lg==',
            'WW91IGNhbiBidXkgbGVnYWwgY29weSBhdCBvdXIgd2Vic2l0ZSA8YSBocmVmPSJodHRwczovL3d3dy5ib29raW5nLXdwLXBsdWdpbi5jb20iIHRhcmdldD0iX2JsYW5rIj53d3cuYm9va2luZy13cC1wbHVnaW4uY29tPC9hPiwgb3IgY29udGFjdCBhcyBhdCA8YSBocmVmPSJtYWlsdG86c3VwcG9ydEBsYWRlbGEuY29tIj5zdXBwb3J0QGxhZGVsYS5jb208L2E+IGZvciBhbnkgYXNzaXN0YW5jZS4=',
        ) );
        add_option( 'bookly_cst_required_birthday', '1' );
        add_option( 'bookly_sms_undelivered_count', '0' );

        delete_option( 'bookly_last_updated_info' );
        delete_option( 'bookly_reminder_data' );

        // Rename tables.
        $tables = array(
            'appointments',
            'categories',
            'customers',
            'customer_appointments',
            'holidays',
            'messages',
            'notifications',
            'payments',
            'schedule_item_breaks',
            'sent_notifications',
            'series',
            'services',
            'shop',
            'staff',
            'staff_preference_orders',
            'staff_schedule_items',
            'staff_services',
            'stats',
            'sub_services',
        );
        $query = 'RENAME TABLE ';
        foreach ( $tables as $table ) {
            $query .= sprintf( '`%s` TO `%s`, ', $this->getTableName( 'ab_' . $table ), $this->getTableName( 'bookly_' . $table ) );
        }
        $query = substr( $query, 0, -2 );
        $wpdb->query( $query );

        // Make 'Collect stats' notice appear again.
        if ( get_option( 'bookly_gen_collect_stats' ) == '0' ) {
            foreach ( get_users( 'role=administrator' ) as $user ) {
                delete_user_meta( $user->ID, 'bookly_dismiss_collect_stats_notice' );
            }
        }

        // Find out what legacy version we are updating from.
        if ( get_option( 'bookly_gen_lite_uninstall_remove_bookly_data' ) !== false ) {
            // Lite.
            add_option( 'bookly_updated_from_legacy_version', 'lite' );
            delete_option( 'bookly_gen_lite_uninstall_remove_bookly_data' );
            foreach ( get_users( 'role=administrator' ) as $user ) {
                add_user_meta( $user->ID, 'bookly_show_lite_rebranding_notice', '1' );
            }
            $wpdb->insert( $this->getTableName( 'bookly_messages' ), array(
                'message_id' => 0,
                'type' => 'simple',
                'subject' => 'Major update. Introducing the new Free version of Bookly.',
                'body' => 'Hello.<br/><br/>Recently Bookly Lite was updated to the latest version - Bookly 16.0. Bookly Lite rebrands into Bookly with more features available for free. Paid version will be available with Pro add-on and other add-ons to bring even more features and flexibility into the booking process.<br/><br/>Take a moment to read our <a href="https://www.booking-wp-plugin.com/bookly-major-update/?utm_campaign=migration_free&utm_medium=cpc&utm_source=newsletter" target="_blank">blog post</a> to see a full list of updates available in the new free version of Bookly.<br/><br/>Thank you',
                'created' => current_time( 'mysql' ),
            ) );
        } else {
            // Bookly.
            add_option( 'bookly_updated_from_legacy_version', 'bookly' );
        }
    }

    /**
     * @since 22.5
     * Removed outdated updates for 15.1 and earlier versions.
     */
}
