SungardAS/condensation

var _ = require("lodash");
var cUtil = require("../../util");

/**
 * Fn::If definition
 * @function fnIf
 * @memberof "IntrinsicFunctions"
 * @type {function}
 * @param {string} conditionName - Name of the condition to reference
 * @param {string} trueValue - value to use if condition is true
 * @param {string} falseValue - value to use if condition is false
 * @param {Object} options - options passed by handlebars
 * @returns {string}
 */
module.exports = function fnIf(conditionName, trueValue, falseValue, options) {
  trueValue = cUtil.parse(trueValue);
  falseValue = cUtil.parse(falseValue);
  options = _.merge({hash: {}}, options);

  var fnObj = {
      "Fn::If": [
        conditionName,
        trueValue,
        falseValue
      ]
  };

  return cUtil.dump({
    hData: options.data,
    obj: fnObj
  });

};