=> 'desc',
				'desc'  => Helpers::indexerDemoHtml(),
				'class' => 'dgwt-wcas-premium-only wcas-opt-tntsearch'
			);

		}

		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 = array();
					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' );

		$customFieldsTrans = get_transient( 'dgwt_wcas_searchable_custom_fields' );

		if ( ! empty( $customFieldsTrans ) && is_array( $customFieldsTrans ) ) {
			wp_send_json_success( $customFieldsTrans );
		}

		$list = Helpers::getSearchableCustomFields();

		set_transient( 'dgwt_wcas_searchable_custom_fields', $list, 60 );


		wp_send_json_success( $list );
	}

	/**
	 * 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( array() );
		}

		$args = array(
			'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( array() );
		}

		$list = array_map( function ( $term ) {
			return array(
				'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 style - force options for submit button
		// Mark that the value of the option "mobile overlay" is forced
		if ( $this->getOption( 'search_style' ) === 'pirx' ) {

			//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 = array();
	}
}