defmodule Mix.Tasks.GetInput do
  def run(args) do
    [year, day] = args
    write_file = &File.write("./input/#{year}_#{day}.txt", &1)

    AoC.fetch_input!(year, day)
    |> then(fn i ->
      IO.puts(i)
      i
    end)
    |> write_file.()
  end
end