class User
  
  include Mongoid::Document
 
  devise :database_authenticatable, :recoverable, :rememberable, :trackable, :registerable
  
  mount_uploader :avatar, AvatarUploader
  
  field :admin, :type => Boolean, :default => true
  field :active_roles, :type => Array
  
  embeds_many :user_roles
  embeds_many :user_infos
  before_save :clean_active_roles
  
  # Update or create the user_role records
  def user_roles=(*attrs)
    attrs[0].each do |roles|
      if roles[:id].blank?
        user_roles.build(roles)
      else
        user_role = user_roles.detect {|a| a.id.to_s == roles[:id].to_s }
        user_role.update_attributes(roles)
      end
    end
  end
  
  # Get an user_info from model key
  def get_info_from_model_key(key)
    self.user_infos.detect {|a| a.key.to_s == key.to_s }
  end
  
  # Get an user_role from model key
  def get_role_from_model_key(key)
    self.user_roles.detect {|a| a.key.to_s == key.to_s }
  end
  
  # Get the active user_role_models
  def get_active_role_models
    self.active_roles.map{ |role| get_role_model(role) } rescue []
  end
  
  # Get an user_role_model from key
  def get_role_model(key)
    UserRoleModel.first(:conditions => {:key => key})
  end
  
  # Get the active roles names or default to '-'
  def get_roles
    (self.active_roles.nil? || self.active_roles.empty?) ? '-' : self.active_roles.map{|role| I18nVariable.first(:conditions => {:key => role})[I18n.locale] rescue role}.join(' / ')
  end
  
  protected
  
  # Remove empty values
  def clean_active_roles
    self.active_roles.delete('') if self.active_roles
  end
  
end