class AttributeValue
  include Mongoid::Document
  include Mongoid::Timestamps
  include Mongoid::MultiParameterAttributes
  include AttributeValuesHelper
  field :key
  
  belongs_to :attribute_field
  belongs_to :user

  before_save :check_key
  before_save :data_proc
  # NO_MULTI_TAG = ["select","date","radio_button","checkbox","date_durnation"]

  

  def add_more_counter
    index_max = self["val"].count rescue 0
    index_max == 0 ?   1 : index_max
  end

  def value(index = nil)
    result = case self.attribute_field.markup
      when 'text_field','text_area'
        if self.attribute_field.add_more and (self.attribute_field.markup == "text_field")
          index.nil? ? self["val"] : self["val"][index]
          # self.attribute_field.get_data[:cross_lang] ? Hash[VALID_LOCALES.collect{|lang|  [lang,self[lang.to_sym]]}]  : self["val"] #if !self.attribute_field.get_data[:cross_lang]
        else
          self.attribute_field.get_data["cross_lang"] =="true" ?  self["val"] : Hash[VALID_LOCALES.collect{|lang|  [lang,self[lang.to_sym]]}]
        end
      when 'select','date','radio_button'
        self["val"]
      when 'checkbox'
        self["val"]
    end #end of case self.attribute_field.markup
  end

  def value=(value)
    #save everything to temp_data waiting for futher process
    self[:temp_data] = value
  end


  def get_value_by_locale(locale,add_more_index=nil)

    case self.attribute_field.markup
      when "text_field"
        case self.attribute_field.add_more
        when true
          add_more_index.nil? ? self.value.collect{|t| t[locale]}.join(",") : self.value(add_more_index)[locale]
        when false
          self.attribute_field.locale ? self[locale.to_s]  : self.value  
        end
      when "select"
        markup_values = self.attribute_field.self_defined_markup_options? ? self.attribute_field.markup_value : self.attribute_field.markup_value
        markup_values[self.value][locale.to_s] rescue 'NoData'
      when "text_area"
        self.attribute_field.locale ? self[locale.to_s]  : self.value
      when "date"
        get_date_by_format
      when "addr"
        self.value
      when "radio_button"
        markup_values = self.attribute_field.markup_value
        markup_values[self.value][locale.to_s]
      when "checkbox" 
        markup_values = self.attribute_field.markup_value
        self.value.collect{|key| markup_values[key][locale.to_s]}.join(",")
      when "date_durnation"
        self.value
      else
        self.attribute_field.locale ? self[locale.to_s]  : self.value
    end
  end


protected
  
def unset_all_lang_values
    VALID_LOCALES.each{|t| self.unset t}
  end

  def data_proc
    unless self[:temp_data].nil?
      case self.attribute_field.markup
        when 'text_field','text_area'
          if self.attribute_field.add_more
            self["val"] = self["temp_data"]
          else # if not add_more
            if self.attribute_field.can_muti_lang_input?
                self[:temp_data].each do |key,val| 
                  self[key] = val
                  end if(!self.attribute_field.get_data[:cross_lang]) 
              else
                self["val"] = self[:temp_data]
            end
          end # of self.attribute_field.add_more
         
        when 'select','date','radio_button'
          self["val"] = self[:temp_data]
        when 'checkbox'
          self["val"] = self[:temp_data].keys 
      end #end of case self.attribute_field.markup  
    end # of self[:temp_data].nil?
    self.unset('temp_data')
    self.unset('temp')
  end #of data_proc

  def check_key
    self.key = attribute_field.key
  end

  def method_missing(*field)
    if field.size < 1
      self[field[0]]  
    else
      self[(field[0].to_s.delete "=")] = field[1]
    end
  end


  def get_date
    Date.new(self[:val]["(1i)"].to_i,self[:val]["(2i)"].to_i,self[:val]["(3i)"].to_i) rescue nil
  end

end