# frozen_string_literal: true

class StoryPage < ApplicationRecord
  belongs_to :character, optional: true

  validates :content, length: { maximum: 5000 }
  validates :position, numericality: { only_integer: true, greater_than_or_equal_to: 0 }

  default_scope { order(:position, :created_at) }

  before_create :assign_position

  private

  def assign_position
    self.position = (StoryPage.unscoped.maximum(:position) || -1) + 1 if position.zero?
  end
end