# frozen_string_literal: true

class CharacterSheetFeature < ApplicationRecord
  belongs_to :character_sheet_section
  belongs_to :featurable, polymorphic: true

  validates :order, presence: true,
                    numericality: { only_integer: true, greater_than: 0 }

  validates :slug, presence: true,
    length: { maximum: 100 },
    uniqueness: { scope: :character_sheet_section_id }

  before_validation :set_slug
  before_validation :set_order

  private

    def set_order
      return if order.present?

      if character_sheet_section.character_sheet_features.any?
        self.order = character_sheet_section.character_sheet_features.order(:order).last.order + 1
      else
        self.order = 1
      end
    end

    def set_slug
      return if slug.present? || featurable.name.blank?

      slug = if character_sheet_section.parent_section.present?
        [
          character_sheet_section.parent_section.name.parameterize,
          featurable.name.parameterize,
        ].join("-")
      else
        slug = featurable.name.parameterize
      end

      suffix = 2
      while CharacterSheetFeature.exists?(slug:)
        slug = "#{slug}-#{suffix}"
        suffix += 1
      end

      self.slug = slug
    end
end