const sample = await Deno.readTextFile("sample.txt");
const input = await Deno.readTextFile("input.txt");

const solvePart1 = (data: string): number | undefined =>
  data
    .split("\n\n")
    .map((elf) =>
      elf
        .split("\n")
        .filter(Boolean)
        .map((value) => parseInt(value, 10))
        .reduce((sum, value) => sum + value, 0)
    )
    .sort((a, b) => a - b)
    .pop();

console.log("Sample:", solvePart1(sample));
console.log("Input", solvePart1(input));

const solvePart2 = (data: string): number =>
  data
    .split("\n\n")
    .map((elf) =>
      elf
        .split("\n")
        .filter(Boolean)
        .map((value) => parseInt(value, 10))
        .reduce((sum, value) => sum + value, 0)
    )
    .sort((a, b) => b - a)
    .slice(0, 3)
    .reduce((sum, value) => sum + value, 0);

console.log("Sample:", solvePart2(sample));
console.log("Input", solvePart2(input));