require 'multi_mime/adapter'

module MultiMime
  module Adapters
    # Use the Mimemagic library
    class Mimemagic < Adapter
      def type_for(mime_type, opts = {})
        type = ::MimeMagic::EXTENSIONS.key(mime_type) # Mimemagic actually doesnt allow you to simply verify that a mime type exists
        type ? mime_type : MultiMime::NullType.new
      end

      def type_for_extension(extension, opts = {})
        ::MimeMagic.by_extension(extension) || MultiMime::NullType.new
      end

      def type_for_path(path, opts = {})
        type_for_extension(File.extname(path))
      end

      def type_for_file(file, opts = {})
        type_for_extension(File.extname(file))
      end
    end
  end
end