<?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
defined( 'ABSPATH' ) || die( 'you do not have access to this page!' );

if ( ! class_exists( 'cmplz_sync' ) ) {
	/**
	 * Class cmplz_sync
	 *
	 * Handles syncing of cookies and services with cookiedatabase.org
	 *
	 */
	class cmplz_sync { // phpcs:ignore PEAR.NamingConventions.ValidClassName.StartWithCapital, PEAR.NamingConventions.ValidClassName.Invalid
		private static $_this;
		public $position;
		public $cookies         = array();
		public $cookie_settings = array();

		function __construct() {
			if ( isset( self::$_this ) ) {
				wp_die(
					esc_html(
						sprintf(
							'%s is a singleton class and you cannot create a second instance.',
							get_class( $this )
						)
					)
				);
			}

			self::$_this = $this;
			add_filter( 'cmplz_do_action', array( $this, 'get_sync_data' ), 10, 3 );
			add_filter( 'cmplz_do_action', array( $this, 'update_cookies_services' ), 10, 3 );
			add_action( 'plugins_loaded', array( $this, 'do_sync_batch_rest' ), 20 );
			add_action( 'cmplz_every_day_hook', array( $this, 'do_sync_batch' ) );
		}

		static function this() {
			return self::$_this;
		}

		public function do_sync_batch_rest() {
			if ( ! cmplz_is_logged_in_rest() ) {
				return;
			}
			$this->do_sync_batch();
		}

		/**
		 * Runs each complianz page rest api request to check if any new languages were added in the meantime.
		 *
		 * @hooked admin_init
		 */
		public function ensure_cookies_in_all_languages(): void {
			if ( ! cmplz_is_logged_in_rest() ) {
				return;
			}

			global $wpdb;
			// Get ALL English cookies (both synced and custom).
			$en_cookies = $wpdb->get_results(
				"SELECT * FROM {$wpdb->prefix}cmplz_cookies WHERE language = 'en'"
			);

			if ( empty( $en_cookies ) ) {
				return;
			}

			$languages = COMPLIANZ::$banner_loader->get_supported_languages();
			foreach ( $languages as $language ) {
				if ( 'en' === $language ) {
					continue;
				}

				// Make sure each cookie is available in all languages.
				foreach ( $en_cookies as $en_cookie_data ) {
					$en_cookie         = new CMPLZ_COOKIE( $en_cookie_data->ID );
					$translated_cookie = new CMPLZ_COOKIE( $en_cookie->name, $language );

					if ( ! $translated_cookie->ID ) {
						$translated_cookie->isTranslationFrom = $en_cookie->ID;
						$translated_cookie->sync              = $en_cookie->sync;
						$translated_cookie->showOnPolicy      = $en_cookie->showOnPolicy;
						$translated_cookie->name              = $en_cookie->name;
						$translated_cookie->isMembersOnly     = $en_cookie->isMembersOnly;
						$translated_cookie->serviceID         = $en_cookie->serviceID;
						$translated_cookie->service           = $en_cookie->service;
						$translated_cookie->slug              = $en_cookie->slug;
						$translated_cookie->ignored           = $en_cookie->ignored;
						$translated_cookie->lastAddDate       = time();
						// Copy field values from parent.
						$translated_cookie->retention             = $en_cookie->retention;
						$translated_cookie->cookieFunction        = $en_cookie->cookieFunction;
						$translated_cookie->purpose               = $en_cookie->purpose;
						$translated_cookie->type                  = $en_cookie->type;
						$translated_cookie->collectedPersonalData = $en_cookie->collectedPersonalData;
						$translated_cookie->save();
					}
				}
			}
		}

		/**
		 * Ensure all services are available in all languages
		 * Runs when new languages are added to the site
		 *
		 * @hooked admin_init
		 */
		public function ensure_services_in_all_languages(): void {
			if ( ! cmplz_is_logged_in_rest() ) {
				return;
			}

			global $wpdb;
			// Get all English services.
			$en_services = $wpdb->get_results(
				"SELECT * FROM {$wpdb->prefix}cmplz_services WHERE language = 'en'"
			);

			if ( empty( $en_services ) ) {
				return;
			}

			$languages = COMPLIANZ::$banner_loader->get_supported_languages();
			foreach ( $languages as $language ) {
				if ( "en" === $language ) {
					continue;
				}

				// Make sure each service is available in all languages.
				foreach ( $en_services as $en_service_data ) {
					$en_service         = new CMPLZ_SERVICE( $en_service_data->ID );
					$translated_service = new CMPLZ_SERVICE( $en_service->name, $language );

					if ( ! $translated_service->ID ) {
						// Create translation row.
						$translated_service->name              = $en_service->name;
						$translated_service->language          = $language;
						$translated_service->isTranslationFrom = $en_service->ID;
						$translated_service->sync              = $en_service->sync;
						$translated_service->category          = $en_service->category;
						// Copy field values from parent.
						$translated_service->serviceType         = $en_service->serviceType;
						$translated_service->privacyStatementURL = $en_service->privacyStatementURL;
						$translated_service->sharesData          = $en_service->sharesData;
						$translated_service->secondParty         = $en_service->secondParty;
						$translated_service->save( false, false );
					}
				}
			}
		}


		/**
		 * Helper: Migrate empty translation fields from parent
		 *
		 * @param string $table Table name (cmplz_cookies or cmplz_services).
		 * @param array  $fields Fields to check and copy.
		 * @return int Number of rows fixed.
		 */
		private function migrate_translation_fields( $table, $fields ) {
			global $wpdb;

			// Build WHERE clause to find empty translations.
			$where_conditions = array_map(
				function ( $field ) {
					return "($field = '' OR $field IS NULL)";
				},
				$fields
			);

			$empty_translations = $wpdb->get_results(
				"SELECT ID, isTranslationFrom
			FROM {$wpdb->prefix}{$table}
			WHERE isTranslationFrom > 0
			AND (" . implode( ' OR ', $where_conditions ) . ')'
			);

			$fixed = 0;
			foreach ( $empty_translations as $translation ) {
				$parent = $wpdb->get_row(
					$wpdb->prepare(
						"SELECT * FROM {$wpdb->prefix}{$table} WHERE ID = %d",
						$translation->isTranslationFrom
					)
				);

				if ( $parent ) {
					$update = array();
					foreach ( $fields as $field ) {
						if ( empty( $translation->$field ) && ! empty( $parent->$field ) ) {
							$update[ $field ] = $parent->$field;
						}
					}

					if ( ! empty( $update ) ) {
						$wpdb->update( $wpdb->prefix . $table, $update, array( 'ID' => $translation->ID ) );
						++$fixed;
					}
				}
			}

			return $fixed;
		}

		/**
		 * One-time migration to populate empty translation fields
		 * Fixes all existing custom cookies/services with empty translations
		 */
		public function migrate_empty_translations() {
			if ( ! cmplz_user_can_manage() ) {
				return array(
					'success' => false,
					'message' => 'No permissions',
				);
			}

			// Fix cookies.
			$cookies_fixed = $this->migrate_translation_fields(
				'cmplz_cookies',
				array( 'retention', 'cookieFunction', 'purpose', 'type', 'collectedPersonalData' )
			);

			// Fix services.
			$services_fixed = $this->migrate_translation_fields(
				'cmplz_services',
				array( 'serviceType', 'privacyStatementURL', 'thirdParty', 'secondParty' )
			);

			// Clear caches.
			delete_transient( 'cmplz_cookies' );
			cmplz_delete_transient( 'cmplz_cookie_shredder_list' );

			return array(
				'success'        => true,
				'message'        => sprintf(
					'Migration complete: Fixed %d cookies and %d services',
					$cookies_fixed,
					$services_fixed
				),
				'cookies_fixed'  => $cookies_fixed,
				'services_fixed' => $services_fixed,
			);
		}

		/**
		 * Runs once a week to check if the CDB should be synced.
		 *
		 * @param bool $running_after_services
		 *
		 * @hooked cmplz_every_week_hook
		 */
		public function maybe_sync_cookies( $running_after_services = false ) {
			if ( ! wp_doing_cron() && ! cmplz_user_can_manage() ) {
				return 'No permissions';
			}
			$msg   = '';
			$error = false;
		$result = null;
			$data  = $this->get_syncable_cookies();
			if ( ! COMPLIANZ::$banner_loader->use_cdb_api() ) {
				$error = true;
				$msg   = __( 'You haven\'t accepted the usage of the cookiedatabase.org API. To automatically complete your cookie descriptions, please choose yes.', 'complianz-gdpr' );
			}

			// if no syncable cookies are found, exit.
			if ( 0 == $data['count'] ) {
				update_option( 'cmplz_sync_cookies_complete', true, false );
				$msg   = '';
				$error = true;
			}

			unset( $data['count'] );

			if ( get_transient( 'cmplz_cookiedatabase_request_active' ) ) {
				$error = true;
				$msg   = __( 'A request is already running. Please be patient until the current request finishes', 'complianz-gdpr' );
			}

			if ( ! $error ) {
				set_transient( 'cmplz_cookiedatabase_request_active', true, MINUTE_IN_SECONDS );
				// add the plugins list to the data.
				$plugins         = get_option( 'active_plugins' );
				$data['plugins'] = '<pre>' . implode( '<br>', $plugins ) . '</pre>';
				$data['website'] = '<a href="' . esc_url_raw( site_url() ) . '">' . esc_url_raw( site_url() ) . '</a>';
				$data            = apply_filters( 'cmplz_api_data', $data );
				$json            = wp_json_encode( $data );
				$endpoint        = trailingslashit( CMPLZ_COOKIEDATABASE_URL ) . 'v2/cookies/';
				$ch              = curl_init();

				$ssl_verification = apply_filters( 'cmplz_ssl_verify', get_site_option( 'cmplz_ssl_verify', 'true' ) === 'true' );
				if ( ! $ssl_verification ) {
					curl_setopt( $ch, CURLOPT_SSL_VERIFYHOST, false );
					curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, false );
				}

				curl_setopt( $ch, CURLOPT_URL, $endpoint );
				curl_setopt( $ch, CURLOPT_CUSTOMREQUEST, 'POST' );
				curl_setopt( $ch, CURLOPT_POST, 1 );
				curl_setopt( $ch, CURLOPT_POSTFIELDS, $json );
				curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
				curl_setopt(
					$ch,
					CURLOPT_HTTPHEADER,
					array(
						'Content-Type: application/json',
						'Content-Length: ' . strlen( $json ),
					)
				);

				$result = curl_exec( $ch );
				if ( curl_errno( $ch ) ) {
					$error_msg = curl_error( $ch );
					update_option( 'cmplz_curl_error', $error_msg, false );
				}

				if ( false === $result ) {
					$error = true;
				}

				if ( strpos( $result, '<title>502 Bad Gateway</title>' ) !== false ) {
					$error = true;
				}

				if ( $error ) {
					$msg = __( 'Could not connect to cookiedatabase.org', 'complianz-gdpr' );
				}

				curl_close( $ch );
				delete_transient( 'cmplz_cookiedatabase_request_active' );
			}

			if ( ! $error ) {
				$result = json_decode( $result );
				// cookie creation also searches fuzzy, so we can now change the cookie name to an asterisk value
				// on updates it will still match.
				if ( ! is_object( $result ) || ! property_exists( $result, 'data' ) ) {
					$error = true;
				} elseif ( isset( $result->data->error ) ) {
					$msg   = $result->data->error;
					$error = true;
				} else {
					$result = $result->data;
				}
			}

			if ( ! $error && isset( $result->status )
				&& 200 !== $result->status
			) {
				$error = true;
			}

			// first, add "en" as base cookie, and get ID.
			if ( ! $error ) {
				// make sure we have an en cookie.
				if ( is_object( $result ) && property_exists( $result, 'en' ) ) {
					$services = $result->en;
					foreach ( $services as $service => $cookies ) {
						$service_name      = ( 'no-service-set' !== $service ) ? $service : false;
						$isTranslationFrom = array();
						foreach (
							$cookies as $original_cookie_name => $cookie_object
						) {
							if ( ! is_object( $cookie_object ) || ! property_exists( $cookie_object, 'name' ) ) {
								continue;
							}

							$cookie                        = new CMPLZ_COOKIE( $original_cookie_name, 'en', $service_name );
							$cookie->name                  = $cookie_object->name;
							$cookie->retention             = $cookie_object->retention;
							$cookie->type                  = $cookie_object->type;
							$cookie->collectedPersonalData = $cookie_object->collectedPersonalData;
							$cookie->cookieFunction        = $cookie_object->cookieFunction;
							$cookie->purpose               = $cookie_object->purpose;
							$cookie->isMembersOnly         = $cookie_object->isMembersOnly;
							$cookie->service               = $cookie_object->service;
							$cookie->ignored               = $cookie_object->ignore;
							$cookie->slug                  = $cookie_object->slug;
							$cookie->lastUpdatedDate       = time();
							$cookie->save();
							$isTranslationFrom[ $cookie->name ] = $cookie->ID;
						}
					}

					foreach ( $result as $language => $services ) {
						if ( "en" === $language ) {
							continue;
						}

						foreach ( $services as $service => $cookies ) {
							$service_name = ( 'no-service-set' !== $service ) ? $service : false;
							foreach (
								$cookies as $original_cookie_name => $cookie_object
							) {
								if ( ! is_object( $cookie_object ) || ! property_exists( $cookie_object, 'name' ) ) {
									continue;
								}

								$cookie                        = new CMPLZ_COOKIE( $original_cookie_name, $language, $service_name );
								$cookie->name                  = $cookie_object->name;
								$cookie->retention             = $cookie_object->retention;
								$cookie->collectedPersonalData = $cookie_object->collectedPersonalData;
								$cookie->cookieFunction        = $cookie_object->cookieFunction;
								$cookie->purpose               = $cookie_object->purpose;
								$cookie->isMembersOnly         = $cookie_object->isMembersOnly;
								$cookie->service               = $cookie_object->service;
								$cookie->slug                  = $cookie_object->slug;
								$cookie->ignored               = $cookie_object->ignore;
								$cookie->lastUpdatedDate       = time();

								// when there's no en cookie, create one.
								if ( ! isset( $isTranslationFrom[ $cookie->name ] )
									&& "en" !== $language
								) {
									$parent_cookie = new CMPLZ_COOKIE( $cookie->name, 'en' );
									$parent_cookie->save();
									$isTranslationFrom[ $cookie->name ] = $parent_cookie->ID;
								}

								$cookie->isTranslationFrom = $isTranslationFrom[ $cookie->name ] ?? 0;
								$cookie->save();
							}
						}
					}
				}
				$this->update_sync_date();
			}

			if ( $running_after_services ) {
				update_option( 'cmplz_sync_cookies_after_services_complete', true, false );
			} else {
				update_option( 'cmplz_sync_cookies_complete', true, false );
			}

			return $msg;
		}

		/**
		 * Get list of services to be synced
		 *
		 * @return array
		 */
		public function get_syncable_services() {
			$languages     = COMPLIANZ::$banner_loader->get_supported_languages();
			$data          = array();
			$count_all     = 0;
			$scan_interval = apply_filters( 'cmplz_sync_interval', 3 );
			$one_week_ago  = strtotime( '-' . $scan_interval . ' month' );
			foreach ( $languages as $language ) {
				$args = array(
					'sync'                          => true,
					'language'                      => $language,
					'includeServicesWithoutCookies' => true,
				);
				if ( ! wp_doing_cron()
					&& ! defined( 'CMPLZ_SKIP_MONTH_CHECK' )
				) {
					$args['lastUpdatedDate'] = $one_week_ago;
				}
				$services          = COMPLIANZ::$banner_loader->get_services( $args );
				$services          = wp_list_pluck( $services, 'name' );
				$data[ $language ] = $services;
				$count_all        += count( $services );

			}
			$data['count'] = $count_all;
			return $data;
		}

		/**
		 * Get cookies to be synced
		 *
		 * @param false $ignore_time_limit
		 *
		 * @return array
		 */
		public function get_syncable_cookies( $ignore_time_limit = false ) {
			$languages            = COMPLIANZ::$banner_loader->get_supported_languages();
			$data                 = array();
			$index                = array();
			$thirdparty_cookies   = array();
			$localstorage_cookies = array();
			$count_all            = 0;
			$ownDomainCookies     = COMPLIANZ::$banner_loader->get_cookies( array( 'isOwnDomainCookie' => true ) );
			$hasOwnDomainCookies  = count( $ownDomainCookies ) > 0;
			$scan_interval        = apply_filters( 'cmplz_sync_interval', 3 );
			$one_week_ago         = strtotime( '-' . $scan_interval . ' month' );
			foreach ( $languages as $language ) {
				$args = array(
					'sync'     => true,
					'language' => $language,
				);
				if ( ! $ignore_time_limit && ! wp_doing_cron()
					&& ! defined( 'CMPLZ_SKIP_MONTH_CHECK' )
				) {
					$args['lastUpdatedDate'] = $one_week_ago;
				}
				$cookies            = COMPLIANZ::$banner_loader->get_cookies( $args );
				$index[ $language ] = 0;
				foreach ( $cookies as $c_index => $cookie ) {
					$c    = new CMPLZ_COOKIE( $cookie->name, $language, $cookie->service );
					$slug = $c->slug ? $c->slug : $index[ $language ];
					// pass the type to the CDB.
					if ( 'localstorage' === $c->type ) {
						if ( ! in_array( $cookie->name, $localstorage_cookies ) ) {
							$localstorage_cookies[] = $cookie->name;
						}
					}
					// need to pass a service here.
					if ( ! empty( $c->service ) ) {
						$service = new CMPLZ_SERVICE( $c->service );

						// deprecated as of 5.3. Use only if no own domain cookie property has ever been saved.
						if ( ! $hasOwnDomainCookies ) {
							if ( $service->thirdParty || $service->secondParty ) {
								if ( ! in_array( $cookie->name, $thirdparty_cookies, true ) ) {
									$thirdparty_cookies[] = $cookie->name;
								}
							}
						}

						$data[ $language ][ $c->service ][ $slug ] = $cookie->name;
						// make sure the cookie is available in en as well.
						if ( ! isset( $data['en'][ $c->service ][ $slug ] ) ) {
							$data['en'][ $c->service ][ $slug ] = $cookie->name;
						}
					} else {
						$data[ $language ]['no-service-set'][ $slug ] = $cookie->name;
						if ( ! isset( $data['en']['no-service-set'][ $slug ] ) ) {
							$data['en']['no-service-set'][ $slug ] = $cookie->name;
						}
					}

					// use as of 5.3. Each non own domain cookie is added to the "thirdparty" list, which is synced only with non own domain cookies.
					if ( $hasOwnDomainCookies ) {
						if ( ! $c->isOwnDomainCookie ) {
							if ( ! in_array( $cookie, $thirdparty_cookies, true ) ) {
								$thirdparty_cookies[] = $cookie->name;
							}
						}
					}

					++$index[ $language ];
				}
			}

			// now count the "EN" cookies.
			if ( isset( $data['en'] ) && is_array( $data['en'] ) ) {
				foreach ( $data['en'] as $service => $cookies ) {
					$count_all += is_array( $cookies ) ? count( $cookies ) : 0;
				}
			}

			$data['count']               = $count_all;
			$data['thirdpartyCookies']   = $thirdparty_cookies;
			$data['localstorageCookies'] = $localstorage_cookies;

			return $data;
		}

		/**
		 * Sync all services
		 */
		public function maybe_sync_services() {
			if ( ! wp_doing_cron() && ! cmplz_user_can_manage() ) {
				return;
			}
			/**
			 * get cookies by service name.
			 */
			$msg   = '';
		$result = null;
			$error = false;
			$data  = $this->get_syncable_services();
			if ( ! COMPLIANZ::$banner_loader->use_cdb_api() ) {
				$error = true;
				$msg   = __( 'You haven\'t accepted the usage of the cookiedatabase.org API. To automatically complete your cookie descriptions, please choose yes.', 'complianz-gdpr' );
			}

			// if no syncable services found, exit.
			if ( 0 == $data['count'] ) {
				update_option( 'cmplz_sync_services_complete', true, false );
				$msg   = '';
				$error = true;
			}

			unset( $data['count'] );

			if ( get_transient( 'cmplz_cookiedatabase_request_active' ) ) {
				$error = true;
				$msg
				= __(
    'A request is already running. Please be patient until the current request finishes',
    'complianz-gdpr'
);
			}

			if ( ! $error ) {
				set_transient(
					'cmplz_cookiedatabase_request_active',
					true,
					MINUTE_IN_SECONDS
				);

				// clear, for further use of this variable.
				$data     = apply_filters( 'cmplz_api_data', $data );
				$json     = wp_json_encode( $data );
				$endpoint = trailingslashit( CMPLZ_COOKIEDATABASE_URL )
							. 'v1/services/';

				$ch = curl_init();

				$ssl_verification = apply_filters( 'cmplz_ssl_verify', get_site_option( 'cmplz_ssl_verify', 'true' ) === 'true' );
				if ( ! $ssl_verification ) {
					curl_setopt( $ch, CURLOPT_SSL_VERIFYHOST, false );
					curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, false );
				}
				curl_setopt( $ch, CURLOPT_URL, $endpoint );
				curl_setopt( $ch, CURLOPT_CUSTOMREQUEST, 'POST' );
				curl_setopt( $ch, CURLOPT_POST, 1 );
				curl_setopt( $ch, CURLOPT_POSTFIELDS, $json );
				curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
				curl_setopt(
					$ch,
					CURLOPT_HTTPHEADER,
					array(
						'Content-Type: application/json',
						'Content-Length: ' . strlen( $json ),
					)
				);

				$result = curl_exec( $ch );

				if ( false === $result ) {
					$error = true;
				}

				if ( strpos( $result, '<title>502 Bad Gateway</title>' ) !== false ) {
					$error = true;
				}

				if ( $error ) {
					$msg = __( 'Could not connect to cookiedatabase.org', 'complianz-gdpr' );
				}

				curl_close( $ch );
				delete_transient( 'cmplz_cookiedatabase_request_active' );
			}

			if ( ! $error ) {
				$result = json_decode( $result );
				// cookie creation also searches fuzzy, so we can now change the cookie name to an asterisk value
				// on updates it will still match.
				if ( ! is_object( $result ) ) {
					$error = true;
				} elseif ( isset( $result->error ) ) {
					$msg   = $result->error;
					$error = true;
				} elseif ( ! property_exists( $result, 'data' ) ) {
					$error = true;
				} else {
					$result = $result->data;
				}
			}

			if ( ! $error ) {
				if ( is_object( $result ) && property_exists( $result, 'en' ) ) {
					$services = $result->en;

					$isTranslationFrom = array();
					foreach (
						$services as $original_service_name =>
						$service_and_cookies
					) {
						if ( ! is_object( $service_and_cookies ) || ! property_exists( $service_and_cookies, 'service' ) ) {
							continue;
						}

						$service_object = $service_and_cookies->service;

						// sync service data.
						if ( ! is_object( $service_object ) || ! property_exists( $service_object, 'name' ) ) {
							continue;
						}

						$service                      = new CMPLZ_SERVICE( $original_service_name, 'en' );
						$service->name                = $service_object->name;
						$service->privacyStatementURL = $service_object->privacyStatementURL;
						$service->sharesData          = $service_object->sharesData;
						$service->secondParty         = $service_object->secondParty;
						$service->thirdParty          = $service_object->sharesData && ! $service_object->secondParty;
						$service->serviceType         = $service_object->serviceType;
						$service->slug                = $service_object->slug;
						$service->lastUpdatedDate     = time();
						$service->save( true, false );
						$isTranslationFrom[ $service->name ] = $service->ID;

						// get the cookies only if it's third party service. Otherwise, just sync the service itself.
						if ( $service->thirdParty || $service->secondParty ) {
							$cookies = property_exists( $service_and_cookies, 'cookies' ) ? $service_and_cookies->cookies : false;
							if ( ! is_array( $cookies ) ) {
								continue;
							}

							foreach ( $cookies as $cookie_name ) {
								$cookie = new CMPLZ_COOKIE( $cookie_name, 'en', $service->name );
								$cookie->add( $cookie_name, COMPLIANZ::$banner_loader->get_supported_languages(), false, $service->name );
							}
						}
					}
				}

				foreach ( $result as $language => $services ) {
					if ( 'en' === $language ) {
						continue;
					}

					foreach (
						$services as $original_service_name =>
						$service_and_cookies
					) {
						if ( ! is_object( $service_and_cookies ) || ! property_exists( $service_and_cookies, 'service' ) ) {
							continue;
						}
						$service_object = $service_and_cookies->service;

						if ( ! is_object( $service_object ) || ! property_exists( $service_object, 'name' ) ) {
							continue;
						}

						$service                      = new CMPLZ_SERVICE( $original_service_name, $language );
						$service->name                = $service_object->name;
						$service->privacyStatementURL = $service_object->privacyStatementURL;
						$service->sharesData          = $service_object->sharesData;
						$service->secondParty         = $service_object->secondParty;
						$service->serviceType         = $service_object->serviceType;
						$service->slug                = $service_object->slug;

						// when there's no 'en' service, create one.
						if ( ! isset( $isTranslationFrom[ $service->name ] ) ) {
							$parent_service = new CMPLZ_SERVICE( $service->name, 'en' );
							$parent_service->save( false, false );
							$isTranslationFrom[ $service->name ] = $parent_service->ID;
						}

						$service->isTranslationFrom = $isTranslationFrom[ $service->name ];
						$service->save( false, false );

					}
				}
				$this->update_sync_date();

			}
			update_option( 'cmplz_sync_services_complete', true );

			return $msg;
		}


		/**
		 * Save the last sync date
		 */
		public function update_sync_date() {
			$timezone_offset = get_option( 'gmt_offset' );
			$time            = time() + ( 60 * 60 * $timezone_offset );
			update_option( 'cmplz_last_cookie_sync', $time );
		}

		/**
		 * Helper function to check if a service exists, and if not, add it.
		 *
		 * @param $services
		 * @param $service_to_add
		 * @param $type
		 *
		 * @return array
		 */
		public function maybe_add_service_to_list(
			$services,
			$service_to_add,
			$type
		) {
			if ( ! cmplz_user_can_manage() ) {
				return array();
			}

			$added = false;
			if ( ! is_array( $services ) ) {
				$services = array();
			}
			foreach ( $services as $service ) {
				if ( $service->name === $service_to_add ) {
					$added = true;
				}
			}

			if ( ! $added ) {
				$service = new CMPLZ_SERVICE();
				$service->add(
					$service_to_add,
					COMPLIANZ::$banner_loader->get_supported_languages(),
					false,
					$type
				);
				$services[] = $service;
			}

			return $services;
		}

		/**
		 * Keep services in sync with selected answers in wizard
		 **/
		public function update_services() {
			$social_media = ( cmplz_get_option( 'uses_social_media' ) === 'yes' )
				? true : false;
			if ( $social_media ) {
				$social_media_types = cmplz_get_option( 'socialmedia_on_site' );
				foreach ( $social_media_types as $slug => $active ) {
					if ( 1 == $active ) {
						$service = new CMPLZ_SERVICE();
						// add for all languages.
						$service_name = COMPLIANZ::$config->thirdparty_socialmedia[ $slug ];
						$service->add( $service_name, COMPLIANZ::$banner_loader->get_supported_languages(), false, 'social' );
					} else {
						$service = new CMPLZ_SERVICE( $slug );
						$service->delete();
					}
				}
			}

			$thirdparty = ( cmplz_get_option( 'uses_thirdparty_services' ) === 'yes' ) ? true : false;
			if ( $thirdparty ) {
				$thirdparty_types = cmplz_get_option( 'thirdparty_services_on_site' );
				foreach ( $thirdparty_types as $slug => $active ) {
					if ( 1 == $active ) {
						$service = new CMPLZ_SERVICE();
						// add for all languages.
						$service_name = COMPLIANZ::$config->thirdparty_services[ $slug ];
						$service->add( $service_name, COMPLIANZ::$banner_loader->get_supported_languages(), false, 'service' );
					} else {
						$service = new CMPLZ_SERVICE( $slug );
						$service->delete();
					}
				}
			}
		}


		/**
		 * Update a cookie from the REACT application
		 *
		 * @param array           $data
		 * @param string          $action
		 * @param WP_REST_Request $request
		 *
		 * @return array
		 */
		public function update_cookies_services( array $data, string $action, WP_REST_Request $request ): array {
			if ( ! cmplz_user_can_manage() ) {
				return array();
			}
			if ( 'add_cookie' === $action ) {
				$service        = sanitize_text_field( $request->get_param( 'service' ) );
				$name           = sanitize_text_field( $request->get_param( 'cookieName' ) );
				$name           = __( 'New cookie', 'complianz-gdpr' ) . ' ' . $name;
				$cookie         = new CMPLZ_COOKIE( $name, 'en', $service );
				$cookie->type   = 'cookie';
				$cookie->domain = 'self';
				$languages      = COMPLIANZ::$banner_loader->get_supported_languages();
				$cookie->add( $name, $languages, false, $service, false );
				$new_ids     = $cookie->get_translations();
				$new_cookies = array();
				foreach ( $new_ids as $id ) {
					$new_cookies[] = new CMPLZ_COOKIE( $id );
				}
				$data = array(
					'cookies' => $new_cookies,
				);
			} elseif ( 'update_cookie' === $action  ) {
				$data        = array();
				$cookie_item = $request->get_param( 'cookie' );
				$id          = $cookie_item['ID'] ?? false;
				$id          = (int) $id;
				if ( $id > 0 ) {
					$cookie = new CMPLZ_COOKIE( $id );
					if ( isset( $cookie_item['name'] ) ) {
						$cookie->name = sanitize_text_field( $cookie_item['name'] );
					}
					if ( isset( $cookie_item['retention'] ) ) {
						$cookie->retention = sanitize_text_field( $cookie_item['retention'] );
					}
					if ( isset( $cookie_item['serviceID'] ) ) {
						$cookie->serviceID = (int) $cookie_item['serviceID'];
					}
					if ( isset( $cookie_item['cookieFunction'] ) ) {
						$cookie->cookieFunction = sanitize_text_field( $cookie_item['cookieFunction'] );
					}
					if ( isset( $cookie_item['purpose'] ) ) {
						$cookie->purpose = sanitize_text_field( $cookie_item['purpose'] );
					}

					if ( isset( $cookie_item['collectedPersonalData'] ) ) {
						$cookie->collectedPersonalData = sanitize_text_field( $cookie_item['collectedPersonalData'] );
					}
					if ( isset( $cookie_item['sync'] ) ) {
						$cookie->sync = (int) $cookie_item['sync'];
					}
					if ( isset( $cookie_item['showOnPolicy'] ) ) {
						$cookie->showOnPolicy = (int) $cookie_item['showOnPolicy'];
					}
					$cookie->save( true );
					// update in all languages, then return all cookies to ensure they're all updated.
					$new_ids     = $cookie->get_translations();
					$new_cookies = array();
					foreach ( $new_ids as $id ) {
						$new_cookies[] = new CMPLZ_COOKIE( $id );
					}
					$data = array(
						'cookies' => $new_cookies,
					);
				}
			}

			if ( 'update_service' === $action ) {
				$data         = array();
				$service_item = $request->get_param( 'service' );
				$id           = $service_item['ID'] ?? false;
				$id           = (int) $id;
				if ( 0 !== $id ) {
					if ( $id < 0 ) {
						$id = sanitize_text_field( $service_item['name'] );
					}
					$service = new CMPLZ_SERVICE( $id );
					if ( isset( $service_item['name'] ) ) {
						$service->name = sanitize_text_field( $service_item['name'] );
					}
					if ( isset( $service_item['serviceType'] ) ) {
						$service->serviceType = sanitize_text_field( $service_item['serviceType'] );
					}
					if ( isset( $service_item['sharesData'] ) ) {
						$service->sharesData = (int) $service_item['sharesData'];
					}
					if ( isset( $service_item['privacyStatementURL'] ) ) {
						$service->privacyStatementURL = sanitize_text_field( $service_item['privacyStatementURL'] );
					}
					if ( isset( $service_item['sync'] ) ) {
						$service->sync = (int) $service_item['sync'];
					}
					$service->save( true );
					$data = array( 'ID' => $service->ID );
				}
			}

			if ( 'delete_cookie' === $action ) {
				$id     = (int) $request->get_param( 'id' );
				$cookie = new CMPLZ_COOKIE( $id );
				$cookie->delete();
				$data = array();
			}
			if ( 'delete_service' === $action ) {
				$id      = (int) $request->get_param( 'id' );
				$service = new CMPLZ_SERVICE( $id );

				$service->delete();
				$data = array();
			}
			return $data;
		}

		/**
		 * Start a new sync
		 *
		 * @param bool $force
		 */
		public function resync() {
			update_option( 'cmplz_sync_cookies_complete', false, false );
			update_option( 'cmplz_sync_cookies_after_services_complete', false, false );
			update_option( 'cmplz_sync_services_complete', false, false );
		}

		/**
		 * Check if there's a cookie which is not filled out entirely
		 *
		 * @return bool
		 */
		public function has_empty_cookie_descriptions() {

			$cookies
				= COMPLIANZ::$banner_loader->get_cookies(
					array(
						'showOnPolicy' => true,
						'ignored'      => false,
					)
				);
			if ( is_array( $cookies ) ) {
				foreach ( $cookies as $cookie_name ) {
					$cookie = new CMPLZ_COOKIE( $cookie_name );

					if ( $cookie->showOnPolicy && ! $cookie->complete ) {
						return true;
					}
				}
			}

			return false;
		}

		/**
		 * Reset the cookies changed value
		 */
		public function reset_cookies_changed() {
			update_option( 'cmplz_cookie_data_verified_date', time() );
			delete_transient( 'cmplz_cookie_settings_cache' );
			delete_option( 'cmplz_changed_cookies' );
		}

		/**
		 * Run or reset a sync
		 *
		 * @param array           $data
		 * @param string          $action
		 * @param WP_REST_Request $request
		 *
		 * @return array
		 */
		public function get_sync_data( array $data, string $action, WP_REST_Request $request ) {

			if ( 'migrate_translations' === $action ) {
				$result = $this->migrate_empty_translations();
				$data   = $result;
			}
			if ( 'sync' === $action ) {
				$this->reset_cookies_changed();
				$this->ensure_cookies_in_all_languages();
				$this->ensure_services_in_all_languages();
				// Fix any existing translations with empty fields.
				$this->migrate_empty_translations();
				$scan_action = sanitize_title( $request->get_param( 'scan_action' ) );
				$language    = cmplz_sanitize_language( $request->get_param( 'language' ) );
				if ( 'restart' === $scan_action ) {
					$this->resync();
				}

				$msg               = $this->do_sync_batch( true );
				$data_cookies      = $this->get_syncable_cookies();
				$data_services     = $this->get_syncable_services();
				$has_syncable_data = ( count( $data_cookies ) + count( $data_services ) ) > 0;
				$languages         = COMPLIANZ::$banner_loader->get_supported_languages();
				$settings          = array(
					'isMembersOnly' => 'all',
					'language'      => $language,
					'deleted'       => 'all',
				);
				$cookie_objects    = COMPLIANZ::$banner_loader->get_cookies( $settings );
				$services          = COMPLIANZ::$banner_loader->get_services( array( 'language' => $language ) );
				$service_objects   = array();
				foreach ( $services as $service ) {
					$service_objects[] = new CMPLZ_SERVICE( $service->ID );
				}

				// change into array.
				$data = array(
					'cookies'             => $cookie_objects,
					'services'            => $service_objects,
					'has_syncable_data'   => $has_syncable_data,
					'message'             => $msg,
					'progress'            => $this->get_sync_progress(),
					'curl_exists'         => function_exists( 'curl_version' ),
					'default_language'    => substr( get_locale(), 0, 2 ),
					'languages'           => $languages,
					'purposes_options'    => $this->get_cookiePurpose_options(),
					'serviceType_options' => $this->get_serviceTypes_options(),
				);
			}
			return $data;
		}

		/**
		 * Runs on cron, on complianz page, or on rest request
		 */
		public function do_sync_batch( $request_from_sync = false ) {
			// we leave rest requests to the react app to handle.
			$is_complianz_page = isset( $_GET['page'] ) && 'complianz' === $_GET['page'];
			if ( ! $is_complianz_page && ! wp_doing_cron() && ! cmplz_is_logged_in_rest() ) {
				return '';
			}

			if ( defined( 'CMPLZ_DISABLE_SYNC' ) && CMPLZ_DISABLE_SYNC ) {
				return '';
			}

			// We only want to start the sync if the sync has been started from the React app at least once.
			if ( ! $request_from_sync && ! get_option( 'cmplz_first_sync_started' ) ) {
				return '';
			}

			if ( $request_from_sync ) {
				update_option( 'cmplz_first_sync_started', true, false );
			}

			if ( ! $request_from_sync && cmplz_is_logged_in_rest() ) {
				return '';
			}

			$msg      = '';
			$progress = $this->get_sync_progress();

			if ( 100 === $progress ) {
				return '';
			}
			if ( 0 < $progress && $progress < 20 ) {
				$this->get_cookiePurpose_options();
			}
			if ( 20 <= $progress && $progress < 40 ) {
				$this->get_serviceTypes_options();
			}
			if ( 40 <= $progress && $progress < 60 ) {
				$msg = $this->maybe_sync_cookies();
			}

			if ( 60 <= $progress && $progress < 80 ) {
				$msg = $this->maybe_sync_services();
			}

			// after adding the cookies, do one more cookies sync.
			if ( 80 <= $progress && $progress < 100 ) {
				$this->maybe_sync_cookies( true );
				COMPLIANZ::$scan->clear_double_cookienames();
			}
			cmplz_delete_transient( 'cmplz_cookie_shredder_list' );
			return $msg;
		}

		/**
		 * Get sync progress
		 *
		 * @return int
		 */
		public function get_sync_progress(): int {
			if ( defined( 'CMPLZ_DISABLE_SYNC' ) && CMPLZ_DISABLE_SYNC ) {
				return 100;
			}

			$progress = 5;
			if ( get_option( 'cmplz_purposes_stored' ) ) {
				$progress = 20;
			}

			if ( get_option( 'cmplz_servicetypes_stored' ) ) {
				$progress = 40;
			}

			if ( get_option( 'cmplz_sync_cookies_complete' ) ) {
				$progress = 60;
			}

			if ( get_option( 'cmplz_sync_cookies_complete' )
				&& get_option( 'cmplz_sync_services_complete' )
			) {
				$progress = 80;
			}

			if ( get_option( 'cmplz_sync_cookies_complete' )
				&& get_option( 'cmplz_sync_services_complete' )
				&& get_option( 'cmplz_sync_cookies_after_services_complete' )
			) {
				$progress = 100;
			}

			return $progress;
		}

		/**
		 * Create select html for service type
		 *
		 * @return array
		 */
		public function get_serviceTypes_options() {
			if ( ! cmplz_user_can_manage() ) {
				return array();
			}
			$languages = COMPLIANZ::$banner_loader->get_supported_languages();
			$out       = array();
			foreach ( $languages as $language ) {
				$serviceTypes = get_option( 'cmplz_serviceTypes_' . $language );
				if ( isset( $_GET['cmplz_nocache'] ) ) {
					$serviceTypes = false;
				}
				if ( ! $serviceTypes ) {
					$endpoint = trailingslashit( CMPLZ_COOKIEDATABASE_URL ) . 'v1/servicetypes/' . $language;
					$response = wp_remote_get( $endpoint );
					$status   = wp_remote_retrieve_response_code( $response );
					$body     = wp_remote_retrieve_body( $response );
					if ( 200 === $status ) {
						$body = json_decode( $body );
						if ( ! is_object( $body ) || ! property_exists( $body, 'data' ) ) {
							continue;
						}
						$serviceTypes = $body->data;
						if ( 'en' === $language ) {
							foreach ( $serviceTypes as $serviceType ) {
								if ( empty( $serviceType ) ) {
									continue;
								}
								cmplz_register_translation( $serviceType, $serviceType );
							}
						}
						$s            = $serviceTypes;
						$serviceTypes = array();
						foreach ( $s as $id => $serviceType ) {
							$serviceTypes[] = array(
								'value' => $id,
								'label' => $serviceType,
							);
						}
						update_option( 'cmplz_serviceTypes_stored', true, false );
						update_option( 'cmplz_serviceTypes_' . $language, $serviceTypes, false );
					}
				}
				// unescape label.
				foreach ( $serviceTypes as $index => $serviceType ) {
					$serviceTypes[ $index ]['label'] = html_entity_decode( $serviceType['label'], ENT_QUOTES );
				}
				$out[ $language ] = $serviceTypes;
			}

			return $out;
		}


		/**
		 * create select html for purposes
		 *
		 * @param string $selected_value
		 * @param string $language
		 *
		 * @return array
		 */
		public function get_cookiePurpose_options() {
			if ( ! cmplz_user_can_manage() ) {
				return array();
			}

			$languages = COMPLIANZ::$banner_loader->get_supported_languages();
			$out       = array();
			foreach ( $languages as $language ) {
				$cookiePurposes = get_option( "cmplz_purposes_$language" );
				if ( isset( $_GET['cmplz_nocache'] ) ) {
					$cookiePurposes = false;
				}

				if ( ! $cookiePurposes ) {
					$endpoint = trailingslashit( CMPLZ_COOKIEDATABASE_URL ) . 'v1/cookiepurposes/' . $language;
					$response = wp_remote_get( $endpoint );
					$status   = wp_remote_retrieve_response_code( $response );
					$body     = wp_remote_retrieve_body( $response );
					if ( 200 === $status ) {
						$body = json_decode( $body );
						if ( ! is_object( $body ) || ! property_exists( $body, 'data' ) ) {
							continue;
						}
						$cookiePurposes = $body->data;
						if ( 'en' === $language ) {
							foreach ( $cookiePurposes as $cookiePurpose ) {
								if ( empty( $cookiePurpose ) ) {
									continue;
								}
								cmplz_register_translation( $cookiePurpose, $cookiePurpose );
							}
						}
						// convert to react compatible array.
						$c              = $cookiePurposes;
						$cookiePurposes = array();
						foreach ( $c as $id => $cookiePurpose ) {
							$cookiePurposes[] = array(
								'value' => $id,
								'label' => $cookiePurpose,
							);
						}
						update_option( 'cmplz_purposes_stored', true, false );
						update_option( "cmplz_purposes_$language", $cookiePurposes, false );
					}
				}
				// unescape label.
				foreach ( $cookiePurposes as $index => $cookiePurpose ) {
					$cookiePurpose[ $index ]['label'] = html_entity_decode( $cookiePurpose['label'], ENT_QUOTES );
				}
				$out[ $language ] = $cookiePurposes;
			}
			return $out;
		}
	}

}