"use strict";

const fs = require("fs");
const xml2js = require("xml2js");

async function main() {

	var dae_file = await read_file("RiggedFigure.dae");
	var xml_json = await parse_xml(dae_file);

	var builder = new xml2js.Builder();
	var xml = builder.buildObject(xml_json);

	var written = await write_file("output.dae", xml);
}

main();

function read_file(str) {

	return new Promise(function(resolve, reject) {

		fs.readFile(str, function(err, data) {
			if(err) {
				return reject(err);
			}

			resolve(data);
		});

	}).catch(function(err) {

		console.log(err);

	});

}

function parse_xml(data) {

	return new Promise(function(resolve, reject) {

		var parser = new xml2js.Parser();
		parser.parseString(data, function (err, result) {
			if(err) {
				return reject(err);
			}

			resolve(result);
		});

	}).catch(function(err) {

		console.log(err);

	});

}

function write_file(str, xml) {

	return new Promise(function(resolve, reject) {

		fs.writeFile(str, xml, function(err) {
			if(err) {
				return reject(err);
			}

			resolve(true);
		});

	}).catch(function(err) {

		console.log(err);

	});


}