var iplocation_url = 'https://www.localizaip.com.br/api/iplocation.php';
var ip_data = new Array(); //GLOBAL

//definir se usuario nao definiu
if (typeof LIP_done    == 'undefined') LIP_done = false; //make sure callback only once
if (typeof LIP_timeout == 'undefined') LIP_timeout = 10000; //10 segundos 
if (LIP_timeout<2000) LIP_timeout=2000; //minimo=2000

if (typeof LocalizaIP_done == 'undefined') LocalizaIP_done=LocalizaIP_success; //nome antigo


function LocalizarIP(){
	if ((typeof LIP_LowPrecision != 'undefined') && (LIP_LowPrecision))
		use_LIP_DB();
	else if (navigator.geolocation) {
			setTimeout('HTML5geoIPError(1);', LIP_timeout);
			navigator.geolocation.getCurrentPosition(function(position) {
				HTML5geoIPFound(position.coords.latitude, position.coords.longitude, position.coords.accuracy);
		}, function(err) { HTML5geoIPError(err) }, {enableHighAccuracy:false, timeout:LIP_timeout-1000, maximumAge:60*60*1000} );
	}
	else {
		use_LIP_DB();
	}
}

function HTML5geoIPFound(mylat, mylng, accuracy) {
	mylat = (Math.round(mylat*1000000)/1000000); //arredondar 6 casas
	mylng = (Math.round(mylng*1000000)/1000000); //arredondar 6 casas
	accuracy = Math.round(accuracy);
	ip_data['latitude']  = mylat;
	ip_data['longitude'] = mylng;	

/*	var xhttp = new XMLHttpRequest();
	xhttp.open("GET","https://maps.googleapis.com/maps/api/geocode/json?latlng="+mylat+","+mylng+"&sensor=false&key=AIzaSyDCQDTQw518noANcH8o-m8qzQ8UdYQxnhk",true);
	xhttp.onreadystatechange = function() {
		if (xhttp.readyState == 4 && xhttp.status == 200) {
			var city, state, countryCode, countryName;
    	textResult = xhttp.responseText;
			eval("data=("+textResult+")");
			//console.log(data);
			for (i = 0; i < data['results'].length; i++) {
				result = data['results'][i];
    		for (j = 0; j < result['address_components'].length; j++) {
					address_comp = result['address_components'][j];
					if (address_comp['types'] == "locality,political") city = address_comp['long_name']; 
					if (address_comp['types'] == "administrative_area_level_1,political") state = address_comp['short_name'];
					if (address_comp['types'] == "country,political") { countryCode = address_comp['short_name']; countryName = address_comp['long_name']; }					
				}
				//console.log('country: '+countryCode+' - Estado: '+state+' - City: '+city);
			}
			ip_data['errorCode']   = 0;
			ip_data['errorMsg']    = '';
			ip_data['city']        = city;
			ip_data['state']       = state;
			ip_data['country']     = countryName;
			ip_data['countryCode'] = countryCode;
			ip_data['src']='HTML5';*/
			
			var xh0 = new XMLHttpRequest(); //pegar ISP e ReverseDNS
			xh0.open("GET",iplocation_url,true);
			xh0.onreadystatechange = function() {
	//			if (xhttp.readyState == 4 && xhttp.status == 200) {
					textResult = xh0.responseText;
					if (!textResult) return; //vazio - ocorriam varias chamadas a este processo, algumas com os dados ainda vazios
					ip_data_tmp = new Array();
					eval("ip_data_tmp=("+textResult+")");
					ip_data['ip']         = ip_data_tmp['ip'];
					ip_data['provider']   = ip_data_tmp['provider'];
					ip_data['reverseIP']  = ip_data_tmp['reverseIP'];
					if ((!LIP_done) && (typeof LocalizaIP_done == 'function')) { 
						LIP_done = true;
						LocalizaIP_done(ip_data);
					}
	//			}
			}
			xh0.send();
			
			//registrar no DB
/*			var xh1 = new XMLHttpRequest();
			xh1.open("GET",'https://www.localizaip.com.br/databank/ipinfo.php?ip=this&city='+city+'&state='+state+'&country='+countryCode+'&lat='+mylat+'&lng='+mylng+'&accu='+accuracy,true);
			xh1.send(); //registra no BD
	  }
	}
	xhttp.send();*/
}

//use internal LocalizaIP DB
function use_LIP_DB(){
	if (LIP_done) return; //ja foi por outro caminho
	var xh = new XMLHttpRequest();
	xh.open("GET",iplocation_url,true);
	xh.onreadystatechange = function() {
		if (xh.readyState == 4 && xh.status == 200) {
    	textResult = xh.responseText;
			eval("ip_data=("+textResult+")");
			if ((!LIP_done) && (typeof LocalizaIP_done == 'function')) { //como eh assincrono, preciso checar LIP_done de novo
						LIP_done = true;
						LocalizaIP_done(ip_data);
			}
		}
	}
	xh.send();	
}

function HTML5geoIPError(err){ 
  //alert('Erro localizando: '+err.code);
	use_LIP_DB();
}


LocalizarIP();