require 'pathname'
require 'sprockets'
require 'coffee-script'
require 'action_cable'

dir = File.dirname(__FILE__)

root_path = Pathname.new(dir)
destination_path = root_path.join("lib/assets/compiled")

puts 'Compiling Action Cable assets...'

precompile_list = %w(action_cable.js)

environment = Sprockets::Environment.new

environment.gzip = false
Pathname.glob(root_path.join("app/assets/*/")) do |subdir|
  environment.append_path subdir
end

compile_path = root_path.join("tmp/sprockets")
compile_path.rmtree if compile_path.exist?
compile_path.mkpath

manifest = Sprockets::Manifest.new(environment.index, compile_path)
manifest.compile(precompile_list)

destination_path.rmtree if destination_path.exist?

manifest.assets.each do |path, fingerprint_path|
  destination_path.join(path).dirname.mkpath
  FileUtils.cp(compile_path.join(fingerprint_path), destination_path.join(path))
end

puts 'Done'