> __( 'daily', 'ajax-search-for-woocommerce' ),
							'weekly' => __( 'weekly', 'ajax-search-for-woocommerce' ),
						],
						'default' => 'weekly',
					],
					130 => [
						'name'    => 'indexer_schedule_start_time',
						'label'   => __( 'Schedule time', 'ajax-search-for-woocommerce' ),
						'type'    => 'select',
						'class'   => 'js-dgwt-wcas-cbtgroup-indexer-schedule js-dgwt-wcas-adv-settings dgwt-wcas-premium-only',
						'options' => Helpers::getHours(),
						'default' => 3,
					],
				]
			),
		];

		$fuzzinesText1 = '<strong>' . __( 'Increases sales conversions.', 'ajax-search-for-woocommerce' ) . '</strong>';
		$fuzzinesText2 = sprintf(
			__(
				'Returns suggestions based on likely relevance, even though a search keyword may not exactly match. E.g if you type “ipho<b>m</b>e” you get the same results as for “iphone”. <a target="_blank" href="%s">Read more</a> about the fuzzy search feature.',
				'ajax-search-for-woocommerce'
			),
			$fuzzySearchLink
		);

		if ( dgoraAsfwFs()->is_premium() ) {

			if ( dgoraAsfwFs()->is__premium_only() ) {

				// Custom fields option
				$settingsFields['dgwt_wcas_search'][300] = [
					'name'                 => 'search_in_custom_fields',
					'label'                => __( 'Search in custom fields', 'ajax-search-for-woocommerce' ) . ' ' . Helpers::createQuestionMark( 'search_in_custom_fields', __( 'Make your custom fields searchable from our search bar.', 'ajax-search-for-woocommerce' ) . ' ' . sprintf( $readMore, $customFieldsLink ) ),
					'type'                 => 'selectize',
					'options'              => [],
					'sanitize_callback'    => [
						'\DgoraWcas\Admin\SettingsAPI',
						'sanitize_selectize_custom_fields__premium_only',
					],
					'desc'                 => __( 'select the custom fields you want to add to the search scope', 'ajax-search-for-woocommerce' ),
					'disabled_before_init' => true,
				];

				// Fuzzy search option
				$settingsFields['dgwt_wcas_search'][450] = [
					'name'    => 'fuzziness_enabled',
					'label'   => __( 'Fuzzy matching', 'ajax-search-for-woocommerce' ) . ' ' . Helpers::createQuestionMark( 'fuzzy_search', $fuzzinesText2 ),
					'class'   => 'dgwt-wcas-premium-only',
					'type'    => 'select',
					'options' => [
						'off'    => __( '-- Disabled', 'ajax-search-for-woocommerce' ),
						'soft'   => __( 'Soft', 'ajax-search-for-woocommerce' ),
						'normal' => __( 'Normal', 'ajax-search-for-woocommerce' ),
						'hard'   => __( 'Hard', 'ajax-search-for-woocommerce' ),
					],
					'default' => 'normal',
				];

				// Exclude/include products feature
				$settingsFields['dgwt_wcas_search'][600] = [
					'name'  => 'filter_products_head',
					'label' => __( 'Exclude/include products', 'ajax-search-for-woocommerce' ),
					'type'  => 'head',
					'class' => 'dgwt-wcas-sgs-header js-dgwt-wcas-adv-settings',
				];
				$settingsFields['dgwt_wcas_search'][625] = [
					'name'    => 'filter_products_mode',
					'label'   => __( 'Filtering mode', 'ajax-search-for-woocommerce' ) . ' ' . Helpers::createQuestionMark(
						'filter_products_mode',
						__( 'Exclude the product group from the search results or allow search only among the indicated product group.', 'ajax-search-for-woocommerce' ) . ' ' . sprintf( $readMore, $excludeIncludeLink ),
						'',
						'right'
					),
					'class'   => 'js-dgwt-wcas-adv-settings',
					'type'    => 'select',
					'options' => [
						'exclude' => __( 'Exclude', 'ajax-search-for-woocommerce' ),
						'include' => __( 'Include', 'ajax-search-for-woocommerce' ),
					],
					'default' => 'exclude',
				];
				$settingsFields['dgwt_wcas_search'][650] = [
					'name'              => 'filter_products_rules',
					'label'             => __( 'Filters', 'ajax-search-for-woocommerce' ) . ' ' . Helpers::createQuestionMark(
						'filter_products_rules',
						__( 'Filters that specify the product group and taxonomy that will be affected by the above mode', 'ajax-search-for-woocommerce' ),
						'',
						'right'
					),
					'type'              => 'filters_rules__premium_only',
					'sanitize_callback' => [ '\DgoraWcas\Admin\SettingsAPI', 'sanitize_filters_rules__premium_only' ],
					'class'             => 'js-dgwt-wcas-adv-settings',
					'default'           => '[]',
				];

				// Search in SKU - tooltip only for Pro version.
				$settingsFields['dgwt_wcas_search'][150]['label'] .= ' ' .
					Helpers::createQuestionMark(
						'search_in_product_sku',
						sprintf(
							'%s %s',
							__( 'In the autocomplete results, a variation may appear when there\'s an exact SKU match.', 'ajax-search-for-woocommerce' ),
							sprintf( $readMore, $searchBySkuLink )
						)
					);

				// Search in GUID.
				$settingsFields['dgwt_wcas_search'][160]['label'] =
					__( 'Search in GUID', 'ajax-search-for-woocommerce' ) . ' ' .
					Helpers::createQuestionMark(
						'search_in_product_global_unique_id',
						__(
							'Make your products searchable by their Global Unique Identifier (GTIN, UPC, EAN or ISBN).',
							'ajax-search-for-woocommerce'
						) . '<br />' .
						__(
							'In the autocomplete results, a variation may appear when there\'s an exact GUID match.',
							'ajax-search-for-woocommerce'
						) . ' ' .
						sprintf( $readMore, $searchByGuidLink )
					);

				// Indexer feature
				$settingsFields['dgwt_wcas_performance'][11] = [
					'name'  => 'search_engine_build',
					'label' => __( 'Index status', 'ajax-search-for-woocommerce' ),
					'type'  => 'desc',
					'desc'  => Helpers::isSettingsPage() ? Builder::renderIndexingStatus() : '',
					'class' => 'dgwt-wcas-premium-only wcas-opt-tntsearch',
				];

				// Show next task description
				$settingsFields['dgwt_wcas_performance'][110]['desc'] = Helpers::isSettingsPage() ? Scheduler::nextTaskDescription() : '';

				// Remove promo box with list of Pro features
				unset( $settingsFields['dgwt_wcas_performance'][0] );
			}
		} else {

			// Fuzzy search feature preview
			$settingsFields['dgwt_wcas_search'][450] = [
				'name'    => 'fuzziness_enabled_demo',
				'label'   => __( 'Fuzzy matching', 'ajax-search-for-woocommerce' ),
				'desc'    => $fuzzinesText1 . ' ' . $fuzzinesText2,
				'class'   => 'dgwt-wcas-premium-only',
				'type'    => 'select',
				'options' => [
					'off'    => __( '-- Disabled', 'ajax-search-for-woocommerce' ),
					'soft'   => __( 'Soft', 'ajax-search-for-woocommerce' ),
					'normal' => __( 'Normal', 'ajax-search-for-woocommerce' ),
					'hard'   => __( 'Hard', 'ajax-search-for-woocommerce' ),
				],
				'default' => 'off',
			];

			// Indexer feature preview
			$settingsFields['dgwt_wcas_performance'][11] = [
				'name'  => 'search_engine_build',
				'label' => __( 'Index status', 'ajax-search-for-woocommerce' ),
				'type'  => 'desc',
				'desc'  => Helpers::indexerDemoHtml(),
				'class' => 'dgwt-wcas-premium-only wcas-opt-tntsearch',
			];
		}

		// Show "Search in GUID" option if there are products with these values.
		if ( Helpers::isSettingsPage() && Helpers::productsUseGlobalUniqueId() ) {
			$settingsFields['dgwt_wcas_search'][160]['class'] = str_replace( 'dgwt-wcas-hidden', '', $settingsFields['dgwt_wcas_search'][160]['class'] );
		}

		if ( ! dgoraAsfwFs()->is_premium() ) {
			foreach ( $settingsFields as $key => $sections ) {
				foreach ( $sections as $keyl2 => $option ) {
					if ( self::isOptionPremium( $option ) ) {
						$settingsFields[ $key ][ $keyl2 ]['label'] = Helpers::getSettingsProLabel( $option['label'], 'option-label' );
					}
				}
			}
		}

		$settingsFields = apply_filters( 'dgwt/wcas/settings', $settingsFields );

		// Set defaults
		foreach ( $settingsFields as $sections ) {
			foreach ( $sections as $option ) {
				if ( ! empty( $option['name'] ) ) {
					$this->defaults[ $option['name'] ] = isset( $option['default'] ) ? $option['default'] : '';
				}
			}
		}

		foreach ( $settingsFields as $key => $sections ) {
			ksort( $settingsFields[ $key ] );
		}

		return $settingsFields;
	}

	/*
	 * Option value
	 *
	 * @param string $option_key
	 * @param string $default default value if option not exist
	 *
	 * @return string
	 */

	public function getOption( $option_key, $default = '' ) {

		$value = '';

		if ( is_string( $option_key ) && ! empty( $option_key ) ) {

			if ( ! empty( $this->settingsCache ) ) {
				$settings = $this->settingsCache;
			} else {
				$settings = get_option( $this->settingSlug );
			}

			if ( ! empty( $settings ) && is_array( $settings ) ) {

				$this->settingsCache = $settings;

				if ( array_key_exists( $option_key, $settings ) ) {
					$value = $settings[ $option_key ];
				} else {

					// Catch default
					if ( empty( $default ) ) {
						foreach ( $this->defaults as $key => $defaultValue ) {
							if ( $key === $option_key ) {
								$value = $defaultValue;
							}
						}
					}
				}
			}
		}

		if ( $value === '' && ! empty( $default ) ) {
			$value = $default;
		}

		$value = apply_filters( 'dgwt/wcas/settings/load_value', $value, $option_key );
		$value = apply_filters( 'dgwt/wcas/settings/load_value/key=' . $option_key, $value );

		return $value;
	}

	/**
	 * Update option
	 *
	 * @param string $optionKey
	 * @param string $value
	 *
	 * @return bool
	 */
	public function updateOpt( $optionKey, $value = '' ) {

		$updated = false;

		if ( is_string( $optionKey ) && ! empty( $optionKey ) ) {

			$settings = get_option( $this->settingSlug );

			$value = apply_filters( 'dgwt/wcas/settings/update_value', $value, $optionKey );
			$value = apply_filters( 'dgwt/wcas/settings/update_value/key=' . $optionKey, $value );

			$canUpdate = false;
			if ( array_key_exists( $optionKey, $this->defaults ) ) {
				$settings[ $optionKey ] = $value;
				$canUpdate              = true;
			}

			if ( $canUpdate ) {
				$updated = update_option( $this->settingSlug, $settings );
				if ( $updated ) {
					$this->settingsCache = [];
					do_action( 'dgwt/wcas/settings/option_updated', $optionKey, $value );
				}
			}
		}

		return $updated;
	}

	/**
	 * Handles output of the settings
	 */
	public static function output() {

		$settings = DGWT_WCAS()->settings->settingsApi;

		include_once DGWT_WCAS_DIR . 'partials/admin/settings.php';
	}

	/**
	 * Restore default option value
	 *
	 * @param mixed $value
	 * @param mixed $default
	 * @param array $option
	 *
	 * @return mixed
	 */
	public function restoreDefaultValueForFreePlan( $value, $default, $option ) {
		if ( ! dgoraAsfwFs()->is_premium() ) {
			if ( self::isOptionPremium( $option ) ) {
				$value = $default;
			}
		}

		return $value;
	}

	/**
	 * Check if user can see advanced settings
	 *
	 * @return bool
	 */
	public function canSeeAdvSettings() {

		$canSee = false;

		if ( is_bool( $this->canSeeAdvSettings ) ) {
			$canSee = $this->canSeeAdvSettings;
		} else {

			$settings = get_option( 'dgwt_wcas_settings_show_advanced' );

			if ( ! empty( $settings ) ) {

				if ( $settings === 'on' ) {
					$canSee = true;
				} elseif ( $settings === 'off' ) {
					$canSee = false;
				}

				$this->canSeeAdvSettings = $canSee;
			}
		}

		return $canSee;
	}

	/**
	 * Toggle visibility of advanced settings
	 * Ajax endpoint
	 *
	 * @return void
	 */
	public function toggleAdvancedSettings() {
		if ( ! current_user_can( Helpers::shopManagerHasAccess() ? 'manage_woocommerce' : 'manage_options' ) ) {
			wp_die( - 1, 403 );
		}

		check_ajax_referer( 'dgwt_wcas_advanced_options_switch' );

		$show = ! empty( $_GET['adv_settings_value'] ) && $_GET['adv_settings_value'] === 'show' ? 'on' : 'off';

		update_option( 'dgwt_wcas_settings_show_advanced', $show );

		wp_send_json_success();
	}

	/**
	 * List searchable custom fields
	 * Ajax endpoint
	 *
	 * @return void
	 */
	public function listSearchableCustomFields__premium_only() {
		if ( ! current_user_can( Helpers::shopManagerHasAccess() ? 'manage_woocommerce' : 'manage_options' ) ) {
			wp_die( - 1, 403 );
		}

		check_ajax_referer( 'dgwt_wcas_get_custom_fields' );

		wp_send_json_success( Helpers::getSearchableCustomFields() );
	}

	/**
	 * List terms for filters
	 * Ajax endpoint
	 *
	 * @return void
	 */
	public function searchTermsForFilter__premium_only() {
		if ( ! current_user_can( Helpers::shopManagerHasAccess() ? 'manage_woocommerce' : 'manage_options' ) ) {
			wp_die( - 1, 403 );
		}

		check_ajax_referer( 'dgwt_wcas_get_filter_terms' );

		$query = ! empty( $_POST['query'] ) ? wc_clean( wp_unslash( $_POST['query'] ) ) : '';
		$type  = ! empty( $_POST['type'] ) ? wc_clean( wp_unslash( $_POST['type'] ) ) : '';

		// Attribute taxonomy has form: "pa:X"
		if ( strpos( $type, 'pa:' ) !== false ) {
			$type = wc_attribute_taxonomy_name_by_id( (int) str_replace( 'pa:', '', $type ) );
		}

		if ( empty( $type ) ) {
			wp_send_json_success( [] );
		}

		$args = [
			'hide_empty' => false,
			'number'     => 100,
			'taxonomy'   => $type,
		];
		if ( ! empty( $query ) ) {
			$args['search'] = $query;
		}

		if ( Multilingual::isMultilingual() ) {
			$terms = Multilingual::getTermsInLang( $args );
		} else {
			$terms = get_terms( $args );
		}

		if ( empty( $terms ) ) {
			wp_send_json_success( [] );
		}

		$list = array_map(
			function ( $term ) {
				return [
					'key'   => $term->term_id,
					'label' => $term->name,
				];
			},
			$terms
		);

		wp_send_json_success( array_values( $list ) );
	}

	/**
	 * Check if a option is premium
	 *
	 * @param array $option
	 *
	 * @return bool
	 */
	public static function isOptionPremium( $option ) {
		$is_premium = false;
		if ( ! empty( $option['class'] ) && strpos( $option['class'], 'dgwt-wcas-premium-only' ) !== false ) {
			$is_premium = true;
		}

		return $is_premium;
	}


	/**
	 * Force values of some settings if they depend on other settings
	 *
	 * @return void
	 */
	private function dependentOptions() {
		add_filter(
			'dgwt/wcas/settings/section=form',
			function ( $settings ) {
				$text                   = __( "You have selected the <b>Appearance -> Style -> Pirx</b> option. Pirx style forces a submit button to be enabled. You can find this option a few rows below. That's why this option is blocked.", 'ajax-search-for-woocommerce' );
				$settings[400]['label'] = Helpers::createOverrideTooltip( 'ovtt-pirx-submit-button', '<p>' . $text . '</p>' ) . $settings[400]['label'];

				return $settings;
			}
		);

		// Pirx or Pirx compact style - force options for submit button.
		// Mark that the value of the option "mobile overlay" is forced.
		if ( in_array( $this->getOption( 'search_style' ), [ 'pirx', 'pirx-compact' ] ) ) {

			// Submit button
			add_filter(
				'dgwt/wcas/settings/load_value/key=show_submit_button',
				function () {
					return 'on';
				}
			);

			add_filter(
				'dgwt/wcas/settings/section=form',
				function ( $settings ) {
					$settings[400]['disabled'] = true;

					return $settings;
				}
			);

			// Value of submit button
			add_filter(
				'dgwt/wcas/settings/load_value/key=search_submit_text',
				function () {
					return '';
				}
			);

			add_filter(
				'dgwt/wcas/settings/section=form',
				function ( $settings ) {
					$settings[500]['disabled'] = true;
					$settings[500]['class']    = $settings[500]['class'] . ' dgwt-wcas-hidden';

					return $settings;
				}
			);

			// Submit background color
			add_filter(
				'dgwt/wcas/settings/load_value/key=bg_submit_color',
				function () {
					return '';
				}
			);

			add_filter(
				'dgwt/wcas/settings/section=form',
				function ( $settings ) {
					$settings[510]['disabled'] = true;
					$settings[510]['class']    = $settings[510]['class'] . ' dgwt-wcas-hidden';

					return $settings;
				}
			);
		}
	}

	/**
	 * Clear settings cache
	 */
	public function clearCache() {
		$this->settingsCache = [];
	}
}