require 'hpricot'
require 'ruby_parser'

say "Building authentication"

# Configure sensitive parameters which will be filtered from the log file.
gsub_file 'config/application.rb', /:password/, ':password, :password_confirmation'

run 'rails generate devise:install'
# Generate devise views
run 'rails generate devise:views -e erb'
# Convert devise views to haml
run "for i in `find app/views/devise -name '*.erb'` ; do html2haml -e $i ${i%erb}haml ; rm $i ; done"

gsub_file 'config/environments/development.rb', /# Don't care if the mailer can't send/, '### ActionMailer Config'

gsub_file 'config/environments/development.rb', /config.action_mailer.raise_delivery_errors = false/ do
<<-RUBY
  config.action_mailer.default_url_options = { :host => '0.0.0.0:3000' }
  config.action_mailer.delivery_method = :letter_opener
  config.action_mailer.raise_delivery_errors = false
  config.action_mailer.default :charset => "utf-8"
RUBY
end

inject_into_file 'config/environments/test.rb', :after => "config.action_controller.allow_forgery_protection    = false\n" do
<<-RUBY
  config.action_mailer.default_url_options = { :host => '0.0.0.0:3000' }
RUBY
end

gsub_file 'config/environments/production.rb', /config.i18n.fallbacks = true/ do
<<-RUBY
  config.i18n.fallbacks = true
  config.action_mailer.default_url_options = { :host => 'yourhost.com' }
  ### ActionMailer Config
  # Setup for production - deliveries, no errors raised
  config.action_mailer.delivery_method = :smtp
  config.action_mailer.perform_deliveries = true
  config.action_mailer.raise_delivery_errors = false
  config.action_mailer.default :charset => "utf-8"
RUBY
end

run 'rails generate devise User'
run 'rm app/models/user.rb'

create_file 'app/models/user.rb' do
<<-RUBY
class User < ActiveRecord::Base
  devise :database_authenticatable, :token_authenticatable, :recoverable, :rememberable, :trackable, :confirmable
  default_scope :conditions => { :deleted_at => nil }
  validates_presence_of     :name, :email
  validates_presence_of     :password, :on => :create
  validates_confirmation_of :password, :on => :create
  validates_length_of       :password, :within => 6..30, :allow_blank => true
  validates_uniqueness_of   :email, :case_sensitive => false, :scope => :deleted_at
  validates_format_of       :email, :with => Devise::email_regexp

  attr_accessible :name, :email, :password, :password_confirmation, :remember_me

  def destroy
    self.update_attribute(:deleted_at, Time.now.utc)
  end

  def self.find_with_destroyed *args
    self.with_exclusive_scope { find(*args) }
  end

  def self.find_only_destroyed
    self.with_exclusive_scope :find => { :conditions => "deleted_at IS NOT NULL" } do
      all
    end
  end

end
RUBY
end

generate(:migration, "AddNameToUsers name:string")
generate(:migration, "AddCachedSlugToUsers cached_slug:string")
generate(:migration, "AddDeletedAtToUsers deleted_at:datetime")

create_file 'app/views/devise/menu/_login_items.html.haml' do
<<-'FILE'
- if user_signed_in?
  %li
    = link_to('Logout', destroy_user_session_path)
- else
  %li
    = link_to('Login', new_user_session_path)
%li
  User:
  - if current_user
    = current_user.name
  - else
    (not logged in)
FILE
end

append_file 'app/views/shared/_header.html.haml' do
<<-'FILE'
  %ul#user_nav
    = render 'devise/menu/login_items'
FILE
end

devise_migration = Dir['db/migrate/*_devise_create_users.rb'].first

gsub_file devise_migration, /./, <<-FILE
class DeviseCreateUsers < ActiveRecord::Migration
  def change
    create_table(:users) do |t|
      ## Database authenticatable
      t.string :email,              :null => false, :default => ""
      t.string :encrypted_password, :null => false, :default => ""

      ## Recoverable
      t.string   :reset_password_token
      t.datetime :reset_password_sent_at

      ## Rememberable
      t.datetime :remember_created_at

      ## Trackable
      t.integer  :sign_in_count, :default => 0
      t.datetime :current_sign_in_at
      t.datetime :last_sign_in_at
      t.string   :current_sign_in_ip
      t.string   :last_sign_in_ip

      ## Confirmable
      t.string   :confirmation_token
      t.datetime :confirmed_at
      t.datetime :confirmation_sent_at
      t.string   :unconfirmed_email

      ## Lockable
      t.integer  :failed_attempts, :default => 0 # Only if lock strategy is :failed_attempts
      t.string   :unlock_token # Only if unlock strategy is :email or :both
      t.datetime :locked_at

      ## Token authenticatable
      t.string :authentication_token

      t.timestamps
    end

    add_index :users, :email,                :unique => true
    add_index :users, :reset_password_token, :unique => true
    add_index :users, :confirmation_token,   :unique => true
    add_index :users, :unlock_token,         :unique => true
    add_index :users, :authentication_token, :unique => true
  end
end
FILE

append_file 'db/seeds.rb' do
<<-FILE
# Setup initial user so we can get in
user = User.create! :name => "#{ENV['RAILSMAKER_USER_NAME']}", :email => "#{ENV['RAILSMAKER_USER_EMAIL']}", :password => "#{ENV['RAILSMAKER_USER_PASSWORD']}", :password_confirmation => "#{ENV['RAILSMAKER_USER_PASSWORD']}"
user.confirmed_at = user.confirmation_sent_at
user.save
FILE
end