module LaserLemon
  module Videoclip
    class Video::Blip < Video
      def self.match?(uri)
        (uri.host =~ /^(?:www\.)?blip\.tv$/i) && (uri.path =~ /^\/file\/\d+$/)
      end

      def assign(uri)
        @url = "http://blip.tv#{uri.path}"
        response = Net::HTTP.get(URI.parse(@url + '?skin=api'))
        @key = parse_response(response, %w(response payload asset embed_lookup))
      end

      def embed(style = nil)
        %(<embed src="http://blip.tv/play/#{@key}" type="application/x-shockwave-flash" width="#{width(style)}" height="#{height(style)}" allowscriptaccess="always" allowfullscreen="true"></embed>)
      end

      protected
        def chrome_height
          30
        end

        def parse_response(response, path, default = nil)
          begin
            path.collect!(&:to_s)
            destination = path.pop
            path.inject(Hash.from_xml(response)){|h,p| h.fetch(p, {}) }.fetch(destination, default)
          rescue
            default
          end
        end
    end
  end
end