ama-team / voxengine-scenario-framework

var Schema = require('../Schema')

var Normalizer = Schema.Normalizer

var Validator = Schema.Validator

var Slf4j = require('@ama-team/voxengine-sdk').Logger.Slf4j

var Printer = require('./Printer').Printer

var InvalidInputError = require('../Error').InvalidInputError

/**

 * This class provide so-called barricade functionality - it validates

 * and converts user input and, if input is invalid, prevents following

 * actions by raising an exception.

 *

 * @param {TBarricadeOptions} [options]

 *

 * @class

 */

function Barricade (options) {

  options = options || {}

  var logger = Slf4j.factory(options.logger, 'ama-team.vsf.barricade')

  var printer = options.printer || new Printer(options.logger)

  /**

   * @param {TScenarioInput} input

   * @return {TScenario}

   */

  this.scenario = function (input) {

    var violations = Validator.scenario(input)

    logger.info('Running scenario validation')

    printer.violations(violations)

    if (violations.severity === Validator.Severity.Fatal) {

      throw new InvalidInputError('Scenario validation has failed')

    }

    return Normalizer.scenario(input)

  }

}

module.exports = {

  Barricade: Barricade

}