module AerialRubyClient

# File lib/aerial_ruby_client.rb, line 11
def download_aerials(foldername)
  aerialdir = File.join(Dir.home, foldername)
  #=> /home/username/foldername

  Dir.mkdir(aerialdir) unless Dir.exists?(aerialdir)

  url = 'http://a1.phobos.apple.com/us/r1000/000/Features/atv/' +
        'AutumnResources/videos/entries.json'

  response = HTTParty.get(url).to_s
  parsed = JSON.parse(response)
  parsed.each do |item|
    item['assets'].each do |asset|
      filename = asset['timeOfDay'] + '-' + asset['id'] + '.mov'
      filepath = File.join(aerialdir, filename)
      if File.exists?(filepath)
        puts "File #{filename} already exists, skipping..."
      else
        puts "Downloading #{filename} to #{aerialdir}"
        open(asset['url']) do |u|
          File.open(filepath, 'wb') { |f| f.write(u.read) }
        end
      end
    end
  end
  
  puts 'Finished processing all URLs!'

  # Copies the xscreensaver script to the target folder.
  FileUtils.cp("#{__dir__}/aerial_ruby_client/xscreensaver_script.rb", aerialdir)
end