class MissionAgent < ActiveRecord::Base
  
  extend FriendlyId
  friendly_id :role, use: :slugged
  validates_presence_of :role, :slug
  
  belongs_to :mission
  belongs_to :user
  
  has_many :agent_steps, :dependent => :destroy 
  has_many :mission_candidates, :dependent => :destroy
  
  accepts_nested_attributes_for :agent_steps, allow_destroy:true
  accepts_nested_attributes_for :mission_candidates
  
  def is_assigned
    if self.mission_candidates.find_all_by_status(1).last == nil
      return false
    else
      return true
    end
  end
  
  def incompleted_step_count
    steps = 0
    self.agent_steps.each do |step|
      if step.completed
        steps = steps + 1
      end
    end
    return steps
  end
  
end