ama-team / voxengine-stubs

var Sinon = require('sinon')

var Objects = require('../Utility/index').Objects

var Defaults = require('./GlobalDefaults')

/**

 * @namespace

 */

var Factory = {

  /**

   * @param {string} symbol

   * @param {TStubSettings} settings

   * @return {IStub}

   */

  create: function (symbol, settings) {

    var mock = function (configuration) {

      var self = this

      this.name = symbol

      this._setup = function (configuration) {

        var buffer = Objects.merge(Defaults, settings.defaults)

        buffer = Objects.merge(buffer, configuration || {})

        self._settings = buffer

      }

      this._reset = function () {

        self._state = Objects.copy(settings.state || {})

        var properties = settings.properties || {}

        Object.keys(properties).forEach(function (name) {

          self[name] = properties[name]

        })

        var handlers = settings.handlers || {}

        Object.keys(handlers).forEach(function (name) {

          self[name] = Sinon.spy(function () {

            var args = Array.prototype.slice.call(arguments)

            args.unshift(self)

            return handlers[name].apply(this, args)

          })

        })

      }

      this._flush = function () {

        if (typeof settings.onFlush === 'function') {

          settings.onFlush(self)

        }

      }

      this._setup(configuration)

      this._reset()

    }

    Object.defineProperty(mock, 'name', {value: symbol, writable: false})

    return mock

  }

}

module.exports = {

  Factory: Factory

}