class StepValidation < ActiveRecord::Base
  belongs_to :agent_step
  has_many :submission_contents
  belongs_to :validation, polymorphic: true
  
  attr_writer :description
  
  def icon
    case self.validation_type
    when 'ValidationText'
      return '<i class="fa fa-comment"></i>'
    when 'ValidationImage'
      return '<i class="fa fa-picture-o"></i>'
    else
      return '<i class="fa fa-coffee"></i>'
    end
  end
  
  def description
    @description || validation.description if validation
  end
  
  def description=(val)
    if self.validation_id == nil
      validation = ValidationText.create(step_validation_id: self.id, description: val)
      self.validation_id = validation.id
      self.validation_type = validation.class.to_s
    else
      validation = ValidationText.find(self.validation_id)
      validation.update(step_validation_id: self.id, description: val)
    end
  end
  
end