module Convert
  module Converters

    # Convert soundcloud player URL to embedded iframe
    def soundcloud(string, options = {})
      options = {
        :width => '100%',
        :height => 166,
        :auto_play => false,
        :theme_color => '00FF00',
        :color => '915f33',
        :show_comments => false,
        :show_artwork => false
      }.merge(options)

      @regex = /(https?:\/\/)?(www.)?soundcloud\.com\/\S*/

      begin
        string.gsub(@regex) do |match|
          new_uri = match.to_s
          new_uri = (new_uri =~ /^https?\:\/\/.*/) ? URI(new_uri) : URI("http://#{new_uri}")
          new_uri.normalize!
          width = options[:width]
          height = options[:height]
          auto_play = options[:auto_play]
          theme_color = options[:theme_color]
          color = options[:color]
          show_artwork = options[:show_artwork]
          show_comments = options[:show_comments]
          %{<iframe width="#{width}" height="#{height}" scrolling="no" frameborder="no" src="http://w.soundcloud.com/player/?url=#{new_uri}&show_artwork=#{show_artwork}&show_comments=#{show_comments}&auto_play=#{auto_play}&color=#{color}&theme_color=#{theme_color}"></iframe> }
        end
      rescue URI::InvalidURIError
        string
      end
    end

  end
end