self::COMP_SOCIAL,
			self::COMP_SITEMAP,
			self::COMP_HEALTH,
			self::COMP_LIGHTHOUSE,
			self::COMP_ROBOTS,
			self::COMP_BREADCRUMBS,
		);
	}

	/**
	 * Gets component-specific options
	 *
	 * @param string $options_key   Specific options key we're after.
	 * @param mixed  $default_value Default value.
	 *
	 * @return mixed Options
	 */
	public static function get_specific_options( $options_key, $default_value = array() ) {
		if ( empty( $options_key ) ) {
			return $default_value;
		}

		return get_option( $options_key, $default_value );
	}

	/**
	 * Updates component-specific options
	 *
	 * @param string $component One of the known components (use class constants pl0x).
	 * @param array  $options   Specific options we want to save.
	 */
	public static function update_component_options( $component, $options ) {
		if ( empty( $component ) ) {
			return array();
		}
		if ( ! in_array( $component, self::get_all_components(), true ) ) {
			return array();
		}

		$options_key = "wds_{$component}_options";

		return self::update_specific_options( $options_key, $options );
	}

	/**
	 * Updates component-specific options
	 *
	 * @param string $option_key Specific options key we're after.
	 * @param mixed  $options    Specific options we want to save.
	 */
	public static function update_specific_options( $option_key, $options ) {
		$old_values = self::get_specific_options( $option_key );

		$updated = update_option( $option_key, $options );

		if ( $updated ) {
			/**
			 * Action hook to trigger after updating specific options.
			 *
			 * @param array  $options    Option value.
			 * @param array  $old_values Old values.
			 * @param string $option_key Updated option key.
			 */
			do_action( 'smartcrawl_after_update_specific_options', $options, $old_values, $option_key );
		}

		return $updated;
	}

	/**
	 * Deletes component options.
	 *
	 * @param string $component Component key.
	 *
	 * @return array|bool
	 */
	public static function delete_component_options( $component ) {
		if ( empty( $component ) ) {
			return array();
		}
		if ( ! in_array( $component, self::get_all_components(), true ) ) {
			return array();
		}

		$options_key = "wds_{$component}_options";

		return self::delete_specific_options( $options_key );
	}

	/**
	 * Deletes a specific option by key.
	 *
	 * @param string $option_key Option key.
	 *
	 * @return bool
	 */
	public static function delete_specific_options( $option_key ) {
		return delete_option( $option_key );
	}

	/**
	 * Deactivates a component.
	 *
	 * @param string $component Component name.
	 *
	 * @return void
	 */
	public static function deactivate_component( $component ) {
		$options               = self::get_specific_options( 'wds_settings_options' );
		$options[ $component ] = 0;
		self::update_specific_options( 'wds_settings_options', $options );
	}

	/**
	 * Returns known components, as component => title pairs
	 *
	 * @return array Known components
	 */
	public static function get_known_components() {
		return array(
			self::COMP_ONPAGE  => __( 'Title & Meta Optimization', 'wds' ),
			self::COMP_SOCIAL  => __( 'Social', 'wds' ),
			self::COMP_SITEMAP => __( 'XML Sitemap', 'wds' ),
		);
	}

	/**
	 * Retrieves the current locale.
	 *
	 * @return string
	 */
	public static function get_locale() {
		return get_locale();
	}

	/**
	 * Get a key value from the values provided.
	 *
	 * @param string $key     Key.
	 * @param array  $values  Array of values.
	 * @param mixed  $default_value Default value.
	 *
	 * @return false|mixed
	 *
	 * @since 3.7.0
	 */
	public static function get_value( $key, $values = array(), $default_value = false ) {
		return isset( $values[ $key ] ) ? $values[ $key ] : $default_value;
	}
}