class ReleasableParam
  TYPES = %w(talent appearance location material acquired_media music)

  def initialize(params)
    @params = params
  end

  def id
    param.last
  end

  def name
    param.first.match(/((.)*_release)_id/)[1]
  end

  def type
    name.classify.constantize
  end

  private

  def param
    regex = %r{(#{TYPES.join("|")})_release_id}

    @params.detect { |k,_| k =~ regex }
  end
end