# encoding: utf-8 
require 'zip/zip'
namespace :desktop do
  task :upload_all_packages => :environment do
    DesktopWidget.destroy_all
    # 1. DesktopWidget.destroy_all
    # 2. Upload alll the widgets
    # 3. Tun rake task tiles:destroy_build_tiles
    package_location = "lib/desktop_widgets/"
    widget_packages = %w[browser.zip googlescholar.zip quotes.zip clock.zip googlesearch.zip weather.zip]

    widget_packages.each do |package_file_name|
      temp_file = Tempfile.new("temp_file")
      original_file = File.open(package_location+package_file_name)
      #if original_file.content_type == 'application/zip'
      temp_file.write(original_file.read.force_encoding('UTF-8'))
      temp_file.rewind
      filename = File.basename(package_file_name,".zip")
      unzip_widget(temp_file, filename)
      #else
      #  flash[:error] = "Upload file should be in zip format"
      #end
      temp_file.close
    end
    Rake::Task["tiles:destroy_build_tiles"].execute
  end

    def unzip_widget(file, zip_name)
      Zip::ZipFile.open(file) { |zip_file|
        dw = DesktopWidget.new.from_json(zip_file.read("#{zip_name}/settings.json"))
        Dir.mktmpdir('f_path') { |dir|
          javascripts_entries = []
          images_entries = []

          zip_file.entries.each do |entry|
            case (path = entry.to_s)
              when /\A(#{zip_name})\/(default\.css)\z/
                  #for default css
                dw.build_css_default(:file => get_temp_file(zip_file, dir, entry))
              when /\A(#{zip_name})\/(widget\.html)\z/    #for layout html
                dw.build_widget_layout(:file => get_temp_file(zip_file, dir, entry))
              when /\A(#{zip_name})\/(javascripts)\/.*(\.js)\z/   #for js
                javascripts_entries << entry
              when /\A(#{zip_name})\/(images)\/.*((\.jpg)|(\.png)|(\.gif))\z/   #for img
                images_entries << entry
            end
          end

          ['javascripts', 'images'].each do |type|
            eval("#{type}_entries").each do |entry|
              eval("dw.#{type}").build(:file => get_temp_file(zip_file, dir, entry))
            end
          end
        }
        dw.save
      }
  end
  def get_temp_file(zip_file, dir, entry)
    filename = File.basename(entry.to_s)
    temp_file = File.new(dir + '/' + filename, 'w+') 
    temp_file.write (zip_file.read entry ).force_encoding('UTF-8')
    temp_file
  end

  task :destroy_build_desktop => :environment do
  	Desktop.all.destroy_all
  	u = User.all
  	u.each do |us|
        Thread.new { 
  		us.initialize_desktop.save!
          puts "Desktop created for " + us.email.to_s
        }.join
  	end
  end

end