/**
 * @author arnaud marhin<arnaud.marhin@orange.com>
 */

(function() {

	'use strict';
	
	angular
		.module('moon')
				.factory('browserService', browserService);
		
	function browserService() {

        var service = {};

        service.sayWho = sayWho;

        return service;

        function sayWho() {
        	
        	var ua= navigator.userAgent, tem, 
    	    
    		M= ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
    	    
    		if(/trident/i.test(M[1])){
    	        tem=  /\brv[ :]+(\d+)/g.exec(ua) || [];
    	        return 'IE '+(tem[1] || '');
    	    }
    	    
    		if(M[1]=== 'Chrome'){
    	        tem= ua.match(/\bOPR\/(\d+)/);
    	        if(tem!= null){ return 'Opera '+tem[1];}
    	    }
    	    
    		M= M[2]? [M[1], M[2]]: [navigator.appName, navigator.appVersion, '-?'];
    	    
    		if((tem= ua.match(/version\/(\d+)/i))!= null) M.splice(1, 1, tem[1]);
    	    
    	    return M.join(' ');
        	
        };
		
	};
	
})();