import { readFile } from "fs/promises";
import { SortedList } from "../../utils/javascript/SortedList.mjs";


const fileToRead = `actual.input`;

const list1 = new SortedList();
const list2 = new SortedList();

const file = await readFile(fileToRead, `utf-8`);
for (const line of file.split(`\n`)) {
	// console.log(line);
	const [ l1Add, l2Add ] = line.split(/\s+/, 2);
	list1.add(l1Add);
	list2.add(l2Add);
};

if (list1.size !== list2.size) {
	console.log(`The two lists are different lengths`);
	process.exit(1);
};

const size = list1.size;
let distance = 0;
for (var i = 0; i < size; i++) {
	const place1 = list1.at(i);
	const place2 = list2.at(i);
	distance += Math.abs(place2 - place1);
}

console.log(`Total Distance: ${distance}`);