require 'playlist'

class Radiodan
class MPD
module PlaylistParser
  def self.parse(attributes={}, tracks=[])
    options          = parse_attributes(attributes)
    options[:tracks] = parse_tracks(tracks)
    
    Playlist.new(options)
  end

  private
  def self.parse_attributes(attributes)
    options = {}
    options[:state]     = attributes['state'].to_sym
    options[:mode]      = parse_mode(attributes)
    options[:repeat]    = attributes['repeat'] == '1'
    options[:position]  = attributes['song'].to_i
    options[:seek]      = attributes['elapsed'].to_f
    options[:volume]    = attributes['volume'].to_i
    
    options
  end
  
  def self.parse_tracks(tracks)
    tracks.collect{ |t| Track.new(t) } rescue []
  end

  def self.parse_mode(attributes)
    attributes['random'] == '1' ? :random : :sequential
  end
end
end
end