# frozen_string_literal: true

# Allows to set booking limits on some resources, per plan.
class PlanLimitation < ApplicationRecord
  belongs_to :plan

  belongs_to :limitable, polymorphic: true
  belongs_to :machine, foreign_type: 'Machine', foreign_key: 'limitable_id', inverse_of: :plan_limitations
  belongs_to :machine_category, foreign_type: 'MachineCategory', foreign_key: 'limitable_id', inverse_of: :plan_limitations

  validates :limitable_id, :limitable_type, :limit, :plan_id, presence: true
  validates :limitable_id, uniqueness: { scope: %i[limitable_type plan_id] }

  # @return [Array<Machine,Event,Space,Training>]
  def reservables
    return limitable.machines if limitable_type == 'MachineCategory'

    [limitable]
  end
end