class User
  inherit Mongo::Model
  collection :users

  rad.extension :user_model, self

  attr_reader :name
  def name= value
    @name = value.try :downcase
  end
  validates_presence_of :name
  validates_length_of :name, in: 4..40
  validates_uniqueness_of :name
  validates_format_of :name, with: /\A[a-z_][a-z_0-9]*\Z/

  EMAIL_NAME_REGEX  = '[\w\.%\+\-]+'.freeze
  DOMAIN_HEAD_REGEX = '(?:[A-Z0-9\-]+\.)+'.freeze
  DOMAIN_TLD_REGEX  = '(?:[A-Z]{2}|com|org|net|edu|gov|mil|biz|info|mobi|name|aero|jobs|museum)'.freeze
  EMAIL_REGEX       = /\A#{EMAIL_NAME_REGEX}@#{DOMAIN_HEAD_REGEX}#{DOMAIN_TLD_REGEX}\z/i

  attr_reader :email
  def email= value
    @email = value.try :downcase
  end
  validates_length_of :email, in: 6..100, allow_blank: true
  validates_uniqueness_of :email #, allow_blank: true
  validates_format_of :email, with: EMAIL_REGEX, allow_blank: true

  timestamps!

  #
  # Autentication
  #
  inherit Models::OpenIdAuthentication
  inherit Models::PasswordAuthentication

  def validate_authentication
    if crypted_password.blank? and open_ids.blank?
      errors.add :password, t(:should_not_be_blank)
    end
  end
  protected :validate_authentication
  validate :validate_authentication


  #
  # Lifecycle
  #
  attr_writer :state
  def state; @state ||= 'inactive' end
  def activate; self.state = 'active' end
  def active?; state == 'active' end
  def inactivate; self.state = 'inactive' end
  def inactive?; state == 'inactive' end
  validates_presence_of :state


  #
  # Authorization
  #
  inherit Models::Authorized


  #
  # Avatar
  #
  inherit Mongo::Model::FileModel
  mount_file :avatar, Models::AvatarFile


  #
  # Profile
  #
  attr_accessor :first_name, :last_name
  assign do
    first_name String, true
    last_name  String, true
  end


  #
  # Helpers
  #
  class << self
    def [] name
      by_name name.to_s
    end

    inject current: :user

    def avatar_url user_name
      "#{rad.users.avatars_path}/avatars/#{user_name}.icon"
    end
  end


  #
  # Other
  #
  def to_param; name end

  def dom_id; "user: #{super}" end

  def slug; name end
end