class Jets::Builders::Md5Zip

def create
  headline "Creating zip file for #{@path}"
  # => Creating zip file for /tmp/jets/demo/stage/bundled
  # https://serverfault.com/questions/265675/how-can-i-zip-compress-a-symlink
  command = "cd #{@path} && zip --symlinks -rq #{zip_file} ."
  sh(command)
  # move out of the lower folder to the stage folder
  # mv /tmp/jets/demo/stage/code/code.zip /tmp/jets/demo/stage/code.zip
  FileUtils.mkdir_p(File.dirname(zip_dest))
  FileUtils.mv("#{@path}/#{zip_file}", zip_dest)
  # mv /tmp/jets/demo/stage/zips/code.zip /tmp/jets/demo/stage/zips/code-a8a604aa.zip
  FileUtils.mv(zip_dest, md5_dest)
  file_size = number_to_human_size(File.size(md5_dest))
  puts "Zip file created at: #{md5_dest.color(:green)} (#{file_size})"
end

def initialize(folder)
  @path = "#{Jets.build_root}/#{folder}"
  @checksum = Md5.checksums[folder]
end

def md5_dest
  zip_dest.sub(".zip", "-#{@checksum}.zip")
end

def md5_name
  File.basename(md5_dest)
end

def zip_dest
  stage_area, filename = File.dirname(@path), File.basename(@path)
  zip_area = stage_area + '/zips' # /tmp/jets/demo/stage/zips
  zip_file = filename + '.zip' # code.zip
  "#{zip_area}/#{zip_file}" # /tmp/jets/demo/stage/zips/code.zip
end

def zip_file
  File.basename(zip_dest)
end