var axios = require('axios');
var qs = require('qs');
var data = qs.stringify({
	'data': '[bbox:51.990800124058914,10.045623779296875,52.552976197007524,11.01104736328125][out:json];(node["shop"="second_hand"];way["shop"="second_hand"];relation["shop"="second_hand"];);out center;'
});
var config = {
    method: 'post',
    maxBodyLength: Infinity,
    url: 'https://overpass-api.de/api/interpreter',
    headers: {
	'Content-Type': 'application/x-www-form-urlencoded'
    },
    data : data
};

function myFunction(value,key) {
    //console.log("key: "+key+",type: "+value.type);
    if(value.tags.name===undefined){
	console.log('ERROR: OSM element does NOT include name tag');
    }else if(value.type==='node'){
	console.log('node');
	console.log('name: '+value.tags.name);
	console.log('lat: '+value.lat);
	console.log('lon: '+value.lon);
    }else if(value.type==='way'){
	console.log('way');
	console.log('name: '+value.tags.name);
	console.log('lat: '+value.center.lat);
	console.log('lon: '+value.center.lon);
    }else{
	console.log('ERROR: OSM element NOT supported');
    }
} 

axios(config)
    .then(function (response) {
	//log JSON
	const dataObj=response.data;
	//console.log("dataObj: "+dataObj);
	const elemAry=dataObj.elements;
	const elemAryLength=elemAry.length;
	console.log("no: "+elemAryLength)
	elemAry.forEach(myFunction);
    })
    .catch(function (error) {
	console.log(error);
});