class ExtensionControllerGenerator

def add_options!(opt)
  opt.separator ''
  opt.separator 'Options:'
  opt.on("--with-test-unit",
         "Use Test::Unit tests instead sof RSpec.") { |v| options[:with_test_unit] = v }
end

def banner
  "Usage: #{$0} #{spec.name} ExtensionName #{spec.name.camelize}Name [options]"
end

def destination_root
  File.join(Rails.root, extension_path)
end

def extension_path
  File.join('vendor', 'extensions', @extension_name.underscore)
end

def extension_uses_rspec?
  File.exists?(File.join(destination_root, 'spec')) && !options[:with_test_unit]
end

def initialize(runtime_args, runtime_options = {})
  runtime_args = runtime_args.dup
  @extension_name = runtime_args.shift
  super(runtime_args, runtime_options)
end

def manifest
  if extension_uses_rspec?
    rspec_manifest
  else
    super
  end
end

def rspec_manifest
  record do |m|
    # Check for class naming collisions.
    m.class_collisions class_path, "#{class_name}Controller", "#{class_name}Helper"
    # Controller, helper, views, and spec directories.
    m.directory File.join('app/controllers', class_path)
    m.directory File.join('app/helpers', class_path)
    m.directory File.join('app/views', class_path, file_name)
    m.directory File.join('spec/controllers', class_path)
    m.directory File.join('spec/helpers', class_path)
    m.directory File.join('spec/views', class_path, file_name)
    # Controller spec, class, and helper.
    m.template 'controller_spec.rb',
      File.join('spec/controllers', class_path, "#{file_name}_controller_spec.rb")
    m.template 'helper_spec.rb',
      File.join('spec/helpers', class_path, "#{file_name}_helper_spec.rb")
    m.template 'controller:controller.rb',
      File.join('app/controllers', class_path, "#{file_name}_controller.rb")
    m.template 'controller:helper.rb',
      File.join('app/helpers', class_path, "#{file_name}_helper.rb")
    # Spec and view template for each action.
    actions.each do |action|
      m.template 'view_spec.rb',
        File.join('spec/views', class_path, file_name, "#{action}_view_spec.rb"),
        :assigns => { :action => action, :model => file_name }
      path = File.join('app/views', class_path, file_name, "#{action}.html.erb")
      m.template 'controller:view.html.erb',
        path,
        :assigns => { :action => action, :path => path }
    end
  end
end