Spec_root = File.expand_path(File.join('..', '..', '..'), __FILE__)

$LOAD_PATH << File.join(Spec_root, '..', 'lib')
require 'settingslogic'
require 'settings_js'
require 'sprockets'

module Jasmine

  class DummySettings < Settingslogic
    source File.join(Spec_root, 'fixtures', 'settings_js', 'adapters', 'settings_logic.yml')
  end


  class Config

    def js_files(spec_filter = nil)
      gem_configuration

      precompile_app_assets

      # this is code from the original jasmine config js_files method - you could also just alias_method_chain it
      spec_files_to_include = spec_filter.nil? ? spec_files : match_files(spec_dir, [spec_filter])
      src_files.collect { |f| '/' + f } + helpers.collect { |f| File.join(spec_path, f) } + spec_files_to_include.collect { |f| File.join(spec_path, f) }
    end

  private

    def gem_configuration
      SettingsJs.configuration do |config|
        config.adapter = 'settings_logic'
        config.keys    = %w(key1 key2.sub_key2_2)
        config.klass   = DummySettings
      end
    end

    def precompile_app_assets
      puts 'Precompiling assets...'

      generated_files_directory = File.expand_path(File.join('..', '..', 'generated'), __FILE__)

      sprockets = Sprockets::Environment.new(File.join(Spec_root, '..', 'app', 'assets', 'javascripts'))
      sprockets.append_path('settings-js')

      assets           = sprockets.find_asset('settings.js')
      prefix, basename = assets.pathname.to_s.split('/')[-2..-1]

      FileUtils.mkpath(File.join(generated_files_directory))

      assets.write_to(File.join(generated_files_directory, basename))
      assets.to_a.each do |asset|
        realname = asset.pathname.basename.to_s.split('.')[0..1].join('.')
        assets.write_to(File.join(generated_files_directory, basename))
      end
    end
  end
end