class User < ActiveRecord::Base
  
  attr_accessor :opts
  
  hide_attributes :opts, :id, :on_hash => true

  hide_attributes :attribute
  hide_attributes :attribute_hash, :on_hash => true
  hide_attributes :attribute_if, 
    :if => Proc.new { |user| user.opts[:if] }
  hide_attributes :attribute_if_hash, :on_hash => true, 
    :if => Proc.new { |user| user.opts[:if] }
  hide_attributes :attribute_unless, 
    :unless => Proc.new { |user| user.opts[:unless] }
  hide_attributes :attribute_unless_hash, :on_hash => true, 
    :unless => Proc.new { |user| user.opts[:unless] }
  hide_attributes :attribute_if_unless, 
    :if => Proc.new { |user| user.opts[:if] } , 
    :unless => Proc.new { |user| user.opts[:unless] }
  hide_attributes :attribute_if_format, 
    :if => Proc.new { |u,format| format == :format }
  hide_attributes :attribute_unless_format, 
    :unless => Proc.new { |u,format| format == :format }
  hide_attributes :attribute_if_opts, 
    :if => Proc.new { |u,format,opts| opts[:hide] == false }
  hide_attributes :attribute_unless_opts, 
    :unless => Proc.new { |u,format,opts| opts[:hide] == false }
  hide_attributes :attribute_only_xml, :only => :xml
  hide_attributes :attribute_only_json, :only => :json
  hide_attributes :attribute_only_hash, :only => :hash
  hide_attributes :attribute_except_xml, :except => :xml
  hide_attributes :attribute_except_json, :except => :json
  hide_attributes :attribute_except_hash, :except => :hash
  hide_attributes :attribute_only_xml_txt, :only => [:xml, :txt]
  hide_attributes :attribute_except_xml_txt, :except => [:xml, :txt]

  attr_accessible :opts, :as => [:default, :admin, :guest, :superuser]
  
  safe_attributes :always
  safe_attributes :admin_role, :as => :admin
  safe_attributes :attribute_if, 
    :if => Proc.new { |user| user.opts[:if] }
  safe_attributes :attribute_if_2, :if => :if?
  safe_attributes :attribute_unless, 
    :unless => Proc.new { |user| user.opts[:unless] }
  safe_attributes :attribute_unless_2, :unless => :unless?
  safe_attributes :attribute_if_unless, 
    :if => Proc.new { |user| user.opts[:if] }, 
    :unless => Proc.new { |user| user.opts[:unless] }
  safe_attributes :attribute_if_unless_2, :if => :if?, :unless => :unless?
  safe_attributes :attribute_if_admin,
    :if => Proc.new { |user,role| role == :admin}
  safe_attributes :attribute_unless_admin,
    :unless => Proc.new { |user,role| role == :admin}
  safe_attributes :new_default, :as => :new_default
  safe_attributes :role_mapper_guest, :if => Proc.new { |user,role| role == :guest }
  safe_attributes :role_mapper_user, :as => :user
  safe_attributes :role_mapper_admin, :if => Proc.new { |user,role| role == :admin }

  def opts
    @opts ||= {}
    @opts.reverse_merge :if => false, :unless => true
  end

  def if?
    opts[:if]
  end

  def unless?
    opts[:unless]
  end
end