#!/bin/env ruby
require 'pry'

def paper_needed(dimensions)
  h, l, w = dimensions
  (2 * l * w) + (2 * w * h) + (2 * h * l) + dimensions.min(2).reduce(:*)
end

def ribbon_needed(dimensions)
  dimensions.min(2).sum * 2 + dimensions.reduce(:*)
end

presents = File.readlines('./input').map { |line| line.strip.split('x').map(&:to_i) }

# Part 1, How many total square feet of wrapping paper should they order?
paper_total = presents.map { |present| paper_needed(present) }.sum

puts 'Part 1 Solution: ' + paper_total.to_s

ribbon_total = presents.map { |present| ribbon_needed(present) }.sum

puts 'Part 2 Solution: ' + ribbon_total.to_s