class Content < ActiveRecord::Base
  has_many :content_assignments
  has_many :asset_assignments
  has_many :assets, :through => :asset_assignments
  
  def self.find_entire_tree(builder=nil)
    # add something here to get the content, not the assignment
    to_fxml(:builder => builder, :skip_instruct => true) do |fxml|
      ContentAssignment.roots(:first, :conditions => {:content_id => self.id}).children.each do |child|
        child.content.to_fxml_content_tree(fxml)
      end
    end
  end
  
  def to_fxml_content_tree(builder=nil)
    # add something here to get the content, not the assignment
    to_fxml(:builder => builder, :skip_instruct => true) do |fxml|
      ContentAssignment.find(:first, :conditions => {:content_id => self.id}).children.each do |child|
        child.content.to_fxml_content_tree(fxml)
      end
    end
  end
  
  def desc
     @content_assignments = []
      @procs = []
      ContentAssignment.find(:first, :conditions => {:target_id => self.id}).descendants.each do |child|
        proc = Proc.new do |opts|
          opts[:builder].tag!('parent_id', child.parent.target_id)
        end
        @content_assignments.push(child)
        @procs.push(proc)
      end
      to_fxml(:child_proc => @procs)
  end
  
  def descendants(builder=nil)
    @children = []
    @parent_ids = []
    @contents = []
    ContentAssignment.find(:first, :conditions => {:target_id => self.id}).self_and_descendants.each do |child|
      proc = Proc.new do |opts|
        opts[:builder].tag!('parent_id', child.source_id)
      end
      # CAN'T JUST PUSH THEM IN, THE ID's GET ALL SCREWED UP
      @children.push(child)
      @parent_ids.push(proc)
    end
    @contents = self.class.find(@children).to_fxml(:child_proc => @parent_ids)
  end
  
  def descendants2(builder=nil)
    @children = []
    @parent_ids = []
    @contents = []
    @nodes = {}
    @tmp = []
    ContentAssignment.find(:first, :conditions => {:target_id => self.id}).self_and_descendants.each do |child|
      proc = Proc.new do |opts|
        opts[:builder].tag!('parent_id', child.source_id)
      end
      # CAN'T JUST PUSH THEM IN, THE ID's GET ALL SCREWED UP
      @parent_ids.push(proc)
      if !@nodes[child.source_id]
         @nodes[child.source_id] = true
         @children.push(child)
      end
    end
    @contents = self.class.find(@children)
    @parent_ids.each do |node|
       if node
    end
       to_fxml(:child_proc => @parent_ids)
  end
  
  def to_xml_content_tree(builder=nil)
    # add something here to get the content, not the assignment
    to_xml(:builder => builder, :skip_instruct => true) do |xml|
      ContentAssignment.find(:first, :conditions => {:content_id => self.id}).children.each do |child|
        child.content.to_xml_content_tree(xml)
      end
    end
  end
  
  def parent
    @parent = ContentAssignment.find(:first, :conditions => {:content_id => self.id}).parent.content
  end
  
end