class Timelines::PlanningElementScenario
  unloadable

  attr_accessor :alternate_date

  def initialize(alternate_date)
    raise ArgumentError, 'Please pass an actual alternate date' if alternate_date.nil?

    @alternate_date = alternate_date
  end

  delegate :start_date, :start_date=, :end_date, :end_date=,
           :scenario, :scenario_id,
           :duration, :planning_element,
           :valid?, :errors,
           :to => :alternate_date

  delegate :name, :id, :to_param, :to => :scenario

  def _destroy
    false
  end

  def ==(other)
    other.is_a?(self.class) &&
      other.alternate_date == @alternate_date
  end

  def eql?(other)
    other.class == self.class &&
      other.alternate_date == @alternate_date
  end

  def hash
    @alternate_date.hash
  end
end