namespace :parsegems do
  def parse_gems(gem_list)
    hsh={}
    last = ''
    gem_list.each do |line|
      case line
      when /\A([-\w]+)\s+\((.*?)\)/
        (hsh[$1] ||= {})[:versions]=$2
        last = $1
      when /\A(\s+\w.*?)\Z/
        (hsh[last][:desc] ||= '') << ($1+' ')
      end
    end
    hsh
  end

  desc 'Gets the gems list --remote and parse it into the app_gems database table for quick autocomplete.'
  task :import => :environment do
    hsh = parse_gems(`gem list --remote`)
    hsh.keys.each do |key|
      g = GemIndex.find_or_create_by_name(key)
      g.update_attributes :versions => hsh[key][:versions],
                          :description => hsh[key][:desc]
      puts "Imported Gem Data for: #{key}"
    end
  end

end