require 'rake/testtask'
require 'pathname'
require 'sprockets'
require 'coffee-script'
require 'action_cable'

dir = File.dirname(__FILE__)

task :default => :test

Rake::TestTask.new do |t|
  t.libs << "test"
  t.test_files = Dir.glob("#{dir}/test/**/*_test.rb")
  t.warning = true
  t.verbose = true
  t.ruby_opts = ["--dev"] if defined?(JRUBY_VERSION)
end

namespace :assets do
  desc "Compile dist/action_cable.js"
  task :compile do
    puts 'Compiling Action Cable assets...'

    asset_mapping = { "source.js" => "action_cable.js" }

    root_path = Pathname.new(dir)
    load_path = root_path.join("app/assets/javascripts/action_cable")
    destination_path = root_path.join("lib/assets/javascripts")

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

    environment = Sprockets::Environment.new
    environment.append_path(load_path)

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

    asset_mapping.each do |logical_path, dist_path|
      fingerprint_path = manifest.assets[logical_path]
      FileUtils.cp(compile_path.join(fingerprint_path), destination_path.join(dist_path))
    end

    puts '======'
    puts 'Action Cable assets compiled successfully!'
  end
end