Woodworker

class WoodWorker
  def maximum(designs, available_materials)
    maximum_crafts = []
    designs.each do |recipe|
      materials_quantity = available_materials.values_at(*recipe.keys)
      if not materials_quantity.include?(nil)
        maximum_crafts.push(recipe.values.map.each_with_index { |individual_quantity, index| materials_quantity[index]/individual_quantity}.min)
      else
        maximum_crafts.push(0)
      end
    end
    maximum_crafts.max
  end
end