// splitByPeriods.js

(function() {
  /*global adventurejs A*/ 
  "use strict";

	var p = adventurejs.Parser.prototype;

  /**
   * Split distinct sentences by period.
   * @memberOf adventurejs.Parser
   * @method adventurejs.Parser#splitByPeriods
   * @param {String} input 
   * @returns {Array}
   */
   p.splitByPeriods = function Parser_splitByPeriods( input ) 
  {
    var inputArray = input.split('.');
    for( var i = inputArray.length - 1; i > -1; i-- ) 
    {
      inputArray[i] = inputArray[i].trim();
      if( " " === inputArray[i] 
      || "" === inputArray[i] ) 
      {
        inputArray.splice( i, 1 );
      }
    }
		inputArray.forEach(function(clause,index) 
    {
			var thenArray = this.splitByThens(clause);
			if(thenArray.length>1) 
      {
				var arrayFront = inputArray.slice(0,index);
				var arrayBack = inputArray.slice(index+1,inputArray.length+1);
				inputArray = arrayFront.concat(thenArray.concat(arrayBack));
			}
		}, this );
		return inputArray;
  }  
}());