class User
  
  include Mongoid::Document
  include Mongoid::Timestamps

  devise :database_authenticatable, :recoverable, :rememberable, :trackable, :registerable
  
  mount_uploader :avatar, AvatarUploader
  
  field :admin, :type => Boolean, :default => true
  field :active_role
  field :nccu_ldap_uid
  
  # field :cache_dept
  # has_one :cache_dept, :class_name => "I18nVariable", :as => :language_value, :autosave => true, :dependent => :destroy
  field :cache_dept,type: Hash
  field :status_record,type: Hash

  has_many :attribute_values, :autosave => true, :dependent => :destroy
  has_many :app_auths,as: :privilege_apps,:inverse_of => :privilege_lists
  has_many :blocked_apps,  :inverse_of => :blocked_users, :class_name => "AppAuth", :dependent => :destroy
  has_many :privilege_apps,  :inverse_of => :privilege_users, :class_name => "AppAuth", :dependent => :destroy

  has_many :managing_apps,:class_name => "AppManager", :dependent => :destroy
  has_one :desktop, :autosave => true, :dependent => :destroy
  has_many :other_accounts, :autosave => true, :dependent => :destroy
  has_many :journals, :autosave => true, :dependent => :destroy
  has_many :papers, :autosave => true, :dependent => :destroy
  has_and_belongs_to_many :sub_role_tags

  has_and_belongs_to_many :statuses
  has_and_belongs_to_many :roles
  has_and_belongs_to_many :sub_roles
  accepts_nested_attributes_for :attribute_values, :allow_destroy => true 

  before_create :initialize_desktop
  before_save :check_status_record
  scope :remote_account, where(:nccu_id.ne => nil)


  def set_sub_role(sub_role_id,status_id)
    self.sub_roles << SubRole.find(sub_role_id)
    self.status_record.store(sub_role_id,status_id)
  end

  # def get_status(*params)
  #   param = params[0]
  #   case param.class.to_s
  #   when 'String'
  #     sr = ::SubRole.find sub_role_id
  #   when 'Hash'
  #     sr = ::SubRole.first({conditions:{key: param[:key]}})
  #   end
  #   if self.sub_roles.include?(sr)
  #     return ::Status.find(status_record.fetch(sr.id.to_s))
  #   else
  #     nil
  #   end
  # end
  def new_attribute_values=(fields)
    fields.each do |key,field|
      self.attribute_values.build(field)
    end
  end

  def self.find_by_status_and_sub_role_key(sub_role_key,status_key) #Query for users by using specific sub_role  and status key
    sr = ::SubRole.first({conditions: { key: sub_role_key }})
    status = ::Status.first({conditions:{role_id: sr.role.id,key: status_key}})
    find_by_status(sr.id,status.id)
  end

  def self.find_by_status(sub_role_id,status_id) #Query for users by using specific sub_role  and status key buy within ID
    User.where("status_record.#{sub_role_id}" => status_id)
  end

  def create_dept_cache
    dept_hash = {}

    VALID_LOCALES.each  do |loc|
      locale = loc.to_sym
      dept_hash[locale] = sub_roles.collect{|sr| sr.title}.join(',')
    end
    self.cache_dept = dept_hash
    self.save!
  end

  def self.current
    Thread.current[:user]
  end
   
  def self.current=(user)
     Thread.current[:user] = user
  end
  
  def avb_apps
    sub_role_ids_ary=self.sub_roles.collect{|t| t.id}
    query1 = AppAuth.any_in({sub_role_ids: sub_role_ids_ary}).excludes(blocked_user_ids: self.id)
    query2 = AppAuth.any_of({all: true},{privilege_user_ids: self.id},{role_ids: self.role.id}).excludes(blocked_user_ids: self.id)
    (query1 + query2).uniq
  end
  
  def name
    info = Class::Info.first(:conditions => {:key => 'profile'})
    if info
      first_name = get_attribute_values.detect {|value| value.key.to_s.eql?('first_name') }[I18n.locale.to_s] rescue nil
      last_name = get_attribute_values.detect {|value| value.key.to_s.eql?('last_name') }[I18n.locale.to_s] rescue nil
      return "#{last_name} #{first_name}"
    else
      return nil
    end
  end
  
  def get_attribute_values
    @attribute_values ||= self.attribute_values
  end
  
  def get_value_from_field_id(field_id)
    values = get_attribute_values
    value = values.detect {|value| value.attribute_field_id == field_id} rescue nil
    value ? value : nil
  end

  def self.from_id(id)
    User.find(id) rescue nil
  end
  
  def initialize_desktop
    self.build_desktop
  end
  
  protected

  def check_status_record
    roles = sub_roles.collect{|t| t.role}.uniq  #get all role from sub_roles
    sub_roles_ary = sub_roles.collect{|t| t.id.to_s}
    self.status_record = status_record.keep_if{|sub_role_id, status_id| 
      includeing = sub_roles_ary.include?(sub_role_id) 
      valide = false
      if includeing
        sub_role = SubRole.find sub_role_id
        valide = sub_role.role.statuses.include? (Status.find status_id)
      end

      (includeing and valide)
    } rescue {}
  end

end