require 'open3'
require 'rubygems'
require 'zip/zipfilesystem'
require 'fileutils'

module Tempdir
  def self.path(&block)
    result = path = nil
    begin
      path = File.join((ENV['TMPDIR'] || ENV['TMP'] || ENV['TEMP'] || '/tmp'), "temp.#{$$}.#{Time.now.to_f}")
    end while(File.exist?(path))
    FileUtils.mkdir_p path
    if block
      result = block.call(path)
      FileUtils.rm_rf(path)
    end
    result || path
  end
end

module GAE; end
class GAE::SDK
  attr_reader :status

  def upload(email, password, path="./")
    `cd "#{path}"; appcfg.rb update ./`
    Open3.popen3('cd "%s"; appcfg.sh --email="%s" --passin update "."' % [path, email]) do |stdin, stdout, stderr|
      stdin.puts password
      stdin.close

      @status, @lines = nil, []
      stdout.each do |line|
        line.chomp!
        @lines << line
        if "Update completed successfully." == line
          @status = "successfully"
        elsif /^Unable to upload app: Email .* and password do not match/.match(line)
          @status = "authentication error"
        elsif /^409 Conflict/.match(line)
          @status = "Conflict"
        end
      end
    end
  end # def initialize

  def upload_zip(email, password, zip)
    Tempdir.path do |dir|
      Zip::ZipInputStream.open(zip) do |stream|
        while (entry = stream.get_next_entry)
          next if /\.\./.match(entry.name)
          file_path = File.join(dir, entry.name)
          if file_path[-1..-1] == '/'
            FileUtils.makedirs(file_path)
          else
            FileUtils.makedirs(File.dirname(file_path))
            File.open(file_path,'w') { |f| f.write stream.read }
          end
        end
      end # Zip::ZipInputStream.open(zip) do |stream|

      upload(email, password, dir)
      # p @lines
    end
  end
end

sdk = GAE::SDK.new
sdk.upload_zip("XXXXX@gmail.com", "XXXXX", "app.zip")
p sdk.status