'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var constants = require('../../constants.js');
var utils = require('../../helpers/utils.js');

/**
 * Formats a trackingIntent object to be compatible with Google Analytics tracker API
 *
 * It assumes there is only one preferred tracking command per tracking intent. If multiple are provided,
 * the destination tracking data is formatted observing the following precedence: `track` then `identify`
 *
 * @param {TrackingDefinitionData} trackingData - An object produced by getTrackingDefinition function
 * @return {Object}
 * @see https://developers.google.com/analytics/devguides/collection/analyticsjs/events#implementation
 * @see https://support.google.com/analytics/answer/1033068#Anatomy
 */

var mapTrackingDataToGoogleAnalytics = function mapTrackingDataToGoogleAnalytics(_ref) {
  var track = _ref.track,
      identify = _ref.identify;

  if (track) {
    var eventAction = track.event,
        _track$type = track.type,
        eventCategory = _track$type === void 0 ? constants.EVENT_TYPE.userInteraction : _track$type,
        _track$properties = track.properties,
        _track$properties$cat = _track$properties.category,
        eventPage = _track$properties$cat === void 0 ? '' : _track$properties$cat,
        _track$properties$lab = _track$properties.label,
        eventLabel = _track$properties$lab === void 0 ? '' : _track$properties$lab,
        _track$properties$nam = _track$properties.name,
        eventName = _track$properties$nam === void 0 ? '' : _track$properties$nam,
        _track$properties$val = _track$properties.value,
        eventValue = _track$properties$val === void 0 ? '' : _track$properties$val; // Coerce to number if possible

    if (eventValue !== '' && !utils.isNumeric(eventValue)) {
      throw new TypeError('Please check a valid tracking intent was provided. Property "value" must be a number');
    }

    var destinationData = {
      eventAction: eventAction,
      eventCategory: eventCategory,
      eventLabel: eventLabel,
      eventName: eventName,
      eventValue: parseFloat(eventValue) || '',
      eventPage: eventPage
    };
    return destinationData;
  }

  if (identify) {
    var _destinationData = {
      user: identify.properties
    };
    return _destinationData;
  }

  throw new TypeError('Please check a valid tracking intent was provided');
};

exports.mapTrackingDataToGoogleAnalytics = mapTrackingDataToGoogleAnalytics;
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