function filterMultiple($filter) {
    	return function (items, keyObj) {
    		if(items === 'undefined') return '';
    		var filterObj = {
    			data:items,
    			filteredData:[],
    			applyFilter : function(obj,key){
    				var fData = [];
    				if(this.filteredData.length == 0)
    					this.filteredData = this.data;
    				if(obj){
    					var fObj = {};
    					if(angular.isString(obj)){
    						fObj[key] = obj;
    						fData = fData.concat($filter('filter')(this.filteredData,fObj));
    					}else if(angular.isArray(obj)){
    						if(obj.length > 0){
    							for(var i=0;i<obj.length;i++){
    								if(angular.isString(obj[i])){
    									fObj[key] = obj[i];
    									fData = fData.concat($filter('filter')(this.filteredData,fObj));
    								}
    							}

    						}
    					}
    					if(fData.length > 0){
    						this.filteredData = fData;
    					}
    				}
    			}
    		};
    		if(keyObj){
    			angular.forEach(keyObj,function(obj,key){
    				filterObj.applyFilter(obj,key);
    			});
    		}

    		return filterObj.filteredData;
    	}
    };
function filterlevel(){
   return function(input, val) {
      var result = [];
      input.forEach(function(item){
         // if(item.level.indexOf(value*1) > -1){
         //     result.push(item);
         // }
         var chk = false;
         if(item.val & parseInt(val[0])) chk = true;
         if(item.cust){
            if(item.cust & parseInt(val[1])) {
               chk = true;
            } else {
               chk = false;
            }
         }
         if(chk)result.push(item)
      });
      return result;
   };
}

    function reverse() {
      return function(items) {
        return items.slice().reverse();
      };
    };
function sumOfValue() {
   return function (data, key) {
      if (angular.isUndefined(data) || angular.isUndefined(key))
      return 0;
      var sum = 0;
      angular.forEach(data,function(value){
         sum = sum + parseFloat(value[key], 10);
      });
      return sum;
   }
};

    function timeformat(){
        return function(input){
            // console.log(input.length); return;
            if(input.length!=8) return input;
            var zero = new Padder(2);
            var tm = input.split(':');
            var hr = parseInt(tm[0]);
            var mn = tm[1];
            var mystr = '';
            var s = '';
            if(hr>12 ){
                hr -= 12;
                s = 'PM';
            } else {
                s = 'AM';
            }
            mystr = zero.pad(hr) + ":" + mn + s;
            return mystr;
        }
    }
function totalSumPriceQty() {
   return function (data, key1, key2) {        
      if (angular.isUndefined(data) || angular.isUndefined(key1)  || angular.isUndefined(key2))
      return 0;
      var sum = 0;
      angular.forEach(data,function(value){
         sum = sum + (parseInt(value[key1], 10) * parseInt(value[key2], 10));
      });
      return sum;
   }
};

    function unique() {
       // we will return a function which will take in a collection
       // and a keyname
       return function(collection, keyname) {
          // we define our output and keys array;
          var output = [],
              keys = [];

          // we utilize angular's foreach function
          // this takes in our original collection and an iterator function
          angular.forEach(collection, function(item) {
              // we check to see whether our object exists
              var key = item[keyname];
    		  if(key != null){
    			  // if it's not already part of our keys array
    			  if(keys.indexOf(key) === -1) {
    				  // add it to our keys array
    				  keys.push(key);
    				  // push this item to our final output array
    				  output.push(item);
    			  }
    		  }
          });
          // return our array which should be devoid of
          // any duplicates
          return output;
       };
    };
angular.module('mzzsetia')	.filter('filterMultiple',filterMultiple)	.filter('filterlevel',filterlevel)	.filter('reverse',reverse)	.filter('sumOfValue',sumOfValue)	.filter('timeformat',timeformat)	.filter('totalSumPriceQty',totalSumPriceQty)	.filter('unique',unique)