module BrandingAttachments
  extend ActiveSupport::Concern

  private

  def attach_branding_logo(record)
    file = params.dig(:branding, :logo_file)
    record.logo_file.attach(file) if file.present?
  end

  def attach_cover_image(record, entitlements:)
    remove_flag = params[:remove_cover].to_s == "1" || params.dig(:match, :remove_cover).to_s == "1"
    if remove_flag
      record.cover_image.purge if record.cover_image.attached?
      record.cover_slate.purge if record.cover_slate.attached?
      return
    end

    file = params.dig(:branding, :cover_image) || params[:cover_image]
    return if file.blank?

    entitlements.assert_can_upload_cover!
    record.cover_slate.purge if record.cover_slate.attached?
    record.cover_image.attach(file)
  end

  def enqueue_cover_slate_generation(record)
    GenerateCoverSlateJob.enqueue_for(record) if record.cover_image.attached?
  end

  def normalize_hex_color(value, fallback)
    v = value.to_s.strip
    v = "##{v}" if v.match?(/\A[0-9A-Fa-f]{6}\z/)
    v.match?(Brandable::HEX_COLOR) ? v : fallback
  end
end