require File.expand_path(File.dirname(__FILE__) + "/lib/insert_commands.rb")
class MondoAuthenticationGenerator < Rails::Generator::Base
  attr_accessor :user_name, :session_name

  def initialize(runtime_args, runtime_options = {})
    super

    @user_name = @args[0] || 'user'
    @session_name = @args[1] || 'user_session'
  end

  def manifest
    record do |m|
      m.directory "app/models"
      m.directory "app/controllers"
      m.directory "app/helpers"
      m.directory "app/views"
      m.directory "lib"

      m.directory "app/views/static_pages"
      m.template "static_pages_controller.rb", "app/controllers/static_pages_controller.rb"
      m.template "views/home.html.haml", "app/views/static_pages/home.html.haml"

      m.directory "app/views/#{user_plural_name}"
      m.template "user.rb", "app/models/#{user_singular_name}.rb"
      m.template "users_controller.rb", "app/controllers/#{user_plural_name}_controller.rb"
      m.template "users_helper.rb", "app/helpers/#{user_plural_name}_helper.rb"
      m.template "views/new.html.haml", "app/views/#{user_plural_name}/new.html.haml"
      m.template "views/edit.html.haml", "app/views/#{user_plural_name}/edit.html.haml"
      m.template "views/_form.html.haml", "app/views/#{user_plural_name}/_form.html.haml"
      m.template "views/show.html.haml", "app/views/#{user_plural_name}/show.html.haml"
      m.template "views/index.html.haml", "app/views/#{user_plural_name}/index.html.haml"
      m.template "views/mass_new.html.haml", "app/views/#{user_plural_name}/mass_new.html.haml"

      m.directory "app/views/#{session_plural_name}"
      m.template "session.rb", "app/models/#{user_singular_name}_session.rb"
      m.template "sessions_controller.rb", "app/controllers/#{session_plural_name}_controller.rb"
      m.template "views/login.html.haml", "app/views/#{session_plural_name}/new.html.haml"

      m.template "authentication.rb", "lib/authentication.rb"
      m.template "authorization_rules.rb", "config/authorization_rules.rb"
      m.migration_template "migration.rb", "db/migrate", :migration_file_name => "create_#{user_plural_name}"

      m.route_name :signup, '/signup', :controller => user_plural_name, :action => 'new'
      m.route_name :logout, '/logout', :controller => session_plural_name, :action => 'destroy'
      m.route_name :login, '/login', :controller => session_plural_name, :action => 'new'

      m.route_root :controller => 'static_pages', :action => 'home'

      m.route_resources session_plural_name
      m.route_resource_with_options user_plural_name, :collections => ':mass_new => :get, :mass_create => :post'

      m.insert_into "app/controllers/#{application_controller_name}.rb", 'include Authentication'

      m.template "locales/en.yml", "config/locales/en.yml"
      m.template "locales/it.yml", "config/locales/it.yml"
    end
  end

  def user_singular_name
    user_name.underscore
  end

  def user_plural_name
    user_singular_name.pluralize
  end

  def user_class_name
    user_name.camelize
  end

  def user_plural_class_name
    user_plural_name.camelize
  end

  def session_singular_name
    session_name.underscore
  end

  def session_plural_name
    session_singular_name.pluralize
  end

  def session_class_name
    session_name.camelize
  end

  def session_plural_class_name
    session_plural_name.camelize
  end

  def application_controller_name
    Rails.version >= '2.3.0' ? 'application_controller' : 'application'
  end

protected
  def add_options!(opt)
    opt.separator ''
    opt.separator 'Options:'
  end

  def banner
    <<-EOS
Creates user model and controllers to handle registration and authentication.

USAGE: #{$0} [user_name] [sessions_controller_name]
EOS
  end
end