module TemplateHelpers
  def load_recipe(recipe)
    return if exists?(recipe)
    eval_file_with_rescue "recipes/checks/#{recipe}.rb"
    eval_file_with_rescue "recipes/dependencies/#{recipe}.rb"
    eval_file_with_rescue "recipes/asks/#{recipe}.rb"
    eval_file "recipes/#{recipe}.rb"
  end

  def eval_file_with_rescue(source)
    eval_file(source)
  rescue StandardError
  end

  def eval_file(source)
    location = File.expand_path(find_in_source_paths(source))
    unique_name = SecureRandom.hex

    define_singleton_method unique_name do
      instance_eval File.read(location)
    end

    public_send unique_name
  end

  def source_path(path)
    define_singleton_method :source_paths do
      [File.expand_path(File.dirname(path))]
    end
  end

  def erase_comments(file)
    gsub_file file, /^\s*#[^\n]*\n/, ''
  end
end