class Reshare < Post 
  belongs_to :root, :class_name => 'Post'
  validate :root_must_be_public
  attr_accessible :root_id, :public

  xml_attr :root_diaspora_id
  xml_attr :root_guid

  attr_accessible :root_diaspora_id, :root_guid

  before_validation do 
    self.public = true
  end

  def root_guid
    self.root.guid  
  end
  def root_guid= rg
    #self.root = Post.where(:guid => rg).first
    debugger
    person = Person.where(:diaspora_handle => self[:root_diaspora_id]).first
    Faraday.get(person.url + public_post_path(:guid => rg))
  end

  def root_diaspora_id
    self.root.author.diaspora_handle
  end
  def root_diaspora_id= id
    Webfinger.new(id).fetch
  end

  def receive(user, person)
    local_reshare = Reshare.where(:guid => self.guid).first
    if local_reshare.root.author_id == user.person.id
      local_reshare.root.reshares << local_reshare
      
      if user.contact_for(person)
        local_reshare.receive(user, person)
      end

    else
      super(user, person)
    end
  end

  private

  def root_must_be_public
    if self.root.nil? || !self.root.public
      errors[:base] << "you must reshare public posts"
      return false
    end
  end
end