class AuthproGenerator < Rails::Generators::Base
  source_root File.expand_path('../templates', __FILE__)

  def generate_model
    generate(:model, "user email:string password_digest:string auth_token:string password_reset_token:string password_reset_sent_at:datetime --force")
  end

  def inject_model_code
    inject_into_file 'app/models/user.rb', :after => "class User < ActiveRecord::Base\n" do 

  <<-'RUBY'
  has_secure_password
  
  validates :password, presence: true, on: :create
  validates :email, presence: true, uniqueness: true, format: /@/
  
  before_create { generate_token(:auth_token) }
  
  def self.authenticate(email, password)
    user = find_by email: email
    user if user && user.authenticate(password)
  end
    
  def generate_token(column)
    begin
      self[column] = SecureRandom.urlsafe_base64
    end while User.exists?(column => self[column])
  end

  def prepare_password_reset
    generate_token(:password_reset_token)
    self.password_reset_sent_at = Time.zone.now
    save!
  end
  RUBY

  end
 end

  def copy_controllers
    copy_file "users_controller.rb", "app/controllers/users_controller.rb"
    copy_file "sessions_controller.rb", "app/controllers/sessions_controller.rb"
    copy_file "password_resets_controller.rb", "app/controllers/password_resets_controller.rb"
    copy_file "home_controller.rb", "app/controllers/home_controller.rb"
    
    inject_into_file "app/controllers/application_controller.rb", :after => "protect_from_forgery with: :exception\n" do
      "\n" +
      "  private\n\n" +
      "  def current_user\n" +
      "    @current_user ||= User.find_by_auth_token( cookies[:auth_token]) if cookies[:auth_token]\n" +
      "  end\n\n" +
      "  helper_method :current_user\n"
    end
  end

  def copy_views
    copy_file "new_user.html.erb", "app/views/users/new.html.erb"
    copy_file "new_password_resets.html.erb", "app/views/password_resets/new.html.erb"
    copy_file "password_resets_edit.html.erb", "app/views/password_resets/edit.html.erb"
    copy_file "new_sessions.html.erb", "app/views/sessions/new.html.erb"
    copy_file "application.html.erb", "app/views/layouts/application.html.erb"
    copy_file "index.html.erb", "app/views/home/index.html.erb"
    copy_file "password_reset.text.erb", "app/views/user_mailer/password_reset.text.erb"
  end

  def add_routes
    route "resources :password_resets"
    route "resources :sessions"
    route "resources :users"
    route "get 'login' => 'sessions#new', :as => 'login'"
    route "get 'signup' => 'users#new', :as => 'signup'"
    route "get 'logout' => 'sessions#destroy', :as => 'logout'"
    route "root to: 'home#index'"
  end

  def copy_mailers
    copy_file "user_mailer.rb", "app/mailers/user_mailer.rb"
  end

  def inject_default_mailer_url_to_dev_env
    inject_into_file "config/environments/development.rb", :after => "config.assets.debug = true\n" do
      "  config.action_mailer.default_url_options = { host: \"localhost:3000\" }\n"
    end
  end
end