defmodule Ammoprices.Scraping.CaliberMatcher do
  @moduledoc false

  def match(title, calibers) do
    downcased = String.downcase(title)

    Enum.find(calibers, fn caliber ->
      name_matches?(downcased, caliber) or alias_matches?(downcased, caliber)
    end)
  end

  defp name_matches?(downcased_title, caliber) do
    String.contains?(downcased_title, String.downcase(caliber.name))
  end

  defp alias_matches?(downcased_title, caliber) do
    Enum.any?(caliber.aliases, fn a ->
      String.contains?(downcased_title, String.downcase(a))
    end)
  end
end