#!/usr/bin/env ruby

require_relative '../common'

def part1
  Input.new(__dir__).readlines.map do |gift|
    l, w, h = gift.split('x').map(&:to_i)
    areas = [l * w, w * h, h * l]

    areas.map { |area| area * 2 }.sum + areas.min
  end.sum
end

def part2
  Input.new(__dir__).readlines.map do |gift|
    dimensions = gift.split('x').map(&:to_i)
    dimensions.sort[0, 2].sum * 2 + dimensions.inject(:*)
  end.sum
end

puts "=== Part 1 ==="
puts part1
puts "=== Part 2 ==="
puts part2