Angular_Telephone_Validator_Parser

(function () {
	'use strict';

	angular.module('app.validators.form')

	.directive('validatorTelNumber',[

		function(){

			var link = function(scope, element, attrs, ngmodel){
				console.log('\n [Directive:ValidatorTelNumber]');
				console.log(' ---------------------------------------------- ');

				console.info(element);

			// --------------------------------------------------------------------------------
			// Attributes
			// --------------------------------------------------------------------------------

					var self = element;
					var PHONE_REGEXP = /^[0-9+\(\)#\.\s\/ext-]+$/;

			// --------------------------------------------------------------------------------
			// Functions
			// --------------------------------------------------------------------------------

					self.Initialize = function() {
						console.log(' [*] ValidatorTelNumber: Initialising.');

						ngmodel.$parsers.push(parsePhoneNumber);
						element.bind('keyup', bindEvent);
						element.bind('blur', bindEvent);




						console.log('  *  self: ', self);
						console.log(' ---------------------------------------------- ');
						console.log('[Directive:ValidatorTelNumber - Initialized] \n\n');
					};




					function formatPhoneNumber(value){
						if(value){

							var number, area, front, end, parsedNumber = String;
							var intCode = Boolean;

							intCode = (value.substr(0,1) === '+') ? true : false;
							number = value && value.replace(/[^0-9]+/g,'');

							if(intCode){ number = 0 + number.slice(-9); }

							area = number.substr(0,3);
							front = number.substr(3,3);
							end = number.substr(6,4);
							parsedNumber = '(' + area + ')' + ' ' + front + ' ' + end;

							return parsedNumber;
						}
						return undefined;
					}

						
					function bindEvent(event){
						var keyCode = event.keyCode;
						var ignoredKeys = [8,46];

						if(ignoredKeys.indexOf(keyCode) === -1){

							var value = formatPhoneNumber(element.val());
							var isValid = !!value;
							if(isValid){
								ngmodel.$setViewValue(value);
								ngmodel.$render();
							}

							ngmodel.$setValidity('telno', isValid);
							scope.$apply();
						}
					}


					function parsePhoneNumber(value) {
						if (value === '' || value === null || value === undefined) { return null; }
						if (PHONE_REGEXP.test(value)) { 

							value = (value && value.replace(/[^0-9]+/g,'')).substr(0,10);
							return value; 
						}
						return undefined;
					}


				//Initialise directive
				self.Initialize();

			};  //End of LINK function

		// --------------------------------------------------------------------------------
		// Configuration
		// --------------------------------------------------------------------------------

		return ({
			require : 'ngModel',
			scope: {},
			restrict: 'A',
			replace: false,
			link: link,
		});


	} //End of directive function
  ]);   //End of directive
}());   //End of closure