class MissionAgent < ActiveRecord::Base
  belongs_to :mission
  belongs_to :user
  
  has_many :mission_agent_steps, :dependent => :destroy 
  has_many :mission_agent_invites, :dependent => :destroy
  
  accepts_nested_attributes_for :mission_agent_steps, allow_destroy:true
  accepts_nested_attributes_for :mission_agent_invites
  
  def get_invite
    return self.mission_agent_invites.where(:user_id => self.user_id).last
  end
  
  def assign_agent
    users = User.all
    available_agents = Array.new
    users.each do |u|
      if self.mission.has_agent_been_assigned(u) == false
        available_agents << u
      end
    end
    if available_agents.length > 0
      new_agent = available_agents[rand(available_agents.length)]
      self.update(:user => new_agent)
      self.mission_agent_invites.create!(:user => new_agent, :status => 'Invited')
    end
  end
  
end