# Put your code that runs your task inside the do_work method
# it will be run automatically in a thread. You have access to
# all of your rails models if you set load_rails to true in the
# config file. You also get @logger inside of this class by default.
class RepositoryScanWorker < BackgrounDRb::Rails
  def do_work(args)
    @logger.info ":: Scanning #{args[:url]}"
    @scanner = AdvancedPluginRepositoryScanner.new(args[:url], @logger)
    @scanner.run
    @logger.info ":: Scan complete."
  end
  
  def plugins_added
    @scanner.plugins_added
  end
  
  def progress
    @scanner.progress
  end
end

class AdvancedPluginRepositoryScanner
  attr_reader :plugins_added
  
  def initialize(url, logger = nil)
    @url = url
    @logger = logger
    @plugins_added = []
    @started = false
  end
  
  def run
    @plugins_found = RemoteResources.repository_list(@url)
    @started = true
    @plugins_found.each do |plugin|
      plugin_root = StringUtilities.normalise_url(@url) + plugin
      Plugin.create(:name => plugin, :root => plugin_root, :auto_updatable => true)
      log "Found plugin #{plugin}"
      @plugins_added << plugin
    end
  end
  
  def progress
    raise "Scanner has not started" unless @started
    progress = (@plugins_added.size.to_f / @plugins_found.size.to_f) * 100
    progress.to_i
  end
  
  protected
    def log(output)
      return if @logger.nil?
      @logger.info output
    end
end