import { readFileSync } from 'node:fs';

const input = readFileSync('input', 'utf-8');

const elfCalories = input
  .split(/\n{2,}/)
  .filter(calories => calories)
  .map(calories =>
    calories
      .split('\n')
      .map(count => parseInt(count))
  );

const totalElfCalories = elfCalories
  .map(calories =>
    calories.reduce((total, count) => total + count, 0)
  );

totalElfCalories.sort((a, b) => a - b);

const mostCalories = totalElfCalories[totalElfCalories.length - 1];
console.log(`Elf with most calories has: ${mostCalories}`);

const topThreeCalories = totalElfCalories
  .slice(-3)
  .reduce((total, count) => total + count, 0);
console.log(`Top three calory count: ${topThreeCalories}`);