class Stringer < Sinatra::Base

  def self.test_path(*chunks)
    File.expand_path(File.join('..', *chunks), __FILE__)
  end

  get '/test' do
    erb File.read(self.class.test_path('support', 'views', 'index.erb')), layout: false, locals: {
      js_files: js_files,
      js_templates: js_templates
    }
  end

  get '/spec/*' do
    send_file self.class.test_path('spec', *params[:splat])
  end

  get '/vendor/*' do
    send_file self.class.test_path('support', 'vendor', *params[:splat])
  end

  private

  def vendor_js_files
    %w{mocha.js sinon.js chai.js chai-changes.js chai-backbone.js sinon-chai.js}.map do |name|
      File.join 'vendor', 'js', name
    end
  end

  def vendor_css_files
    %w{mocha.css}.map do |name|
      File.join 'vendor', 'css', name
    end
  end

  def js_helper_files
    %w{spec_helper.js}.map do |name|
      File.join 'spec', name
    end
  end

  def js_lib_files
    base = self.class.test_path('..', '..', 'app', 'public')
    Dir[File.join(base, "js", '**', '*.js')].map do |lib_file|
      lib_file.sub!(base, "")
    end
  end

  def js_test_files
    base = self.class.test_path
    Dir[File.join(base, '**', '*_spec.js')].map do |spec_file|
      spec_file.sub!(base, "")
    end
  end

  def js_files
    vendor_js_files + js_helper_files + js_test_files
  end

  def css_files
    vendor_css_files
  end

  def js_templates
    [:story]
  end
end