# frozen_string_literal: true

class AiSummary < ActiveRecord::Base
  belongs_to :target, polymorphic: true

  enum :summary_type, { complete: 0, gist: 1 }

  def self.store!(target, summary_type, model, summary, content_ids)
    AiSummary.create!(
      target: target,
      algorithm: model,
      content_range: (content_ids.first..content_ids.last),
      summarized_text: summary,
      original_content_sha: build_sha(content_ids.join),
      summary_type: summary_type,
    )
  end

  def self.build_sha(joined_ids)
    Digest::SHA256.hexdigest(joined_ids)
  end

  def mark_as_outdated
    @outdated = true
  end

  def outdated
    @outdated || false
  end
end

# == Schema Information
#
# Table name: ai_summaries
#
#  id                   :bigint           not null, primary key
#  target_id            :integer          not null
#  target_type          :string           not null
#  content_range        :int4range
#  summarized_text      :string           not null
#  original_content_sha :string           not null
#  algorithm            :string           not null
#  created_at           :datetime         not null
#  updated_at           :datetime         not null
#  summary_type         :string           default("complete"), not null
#
# Indexes
#
#  index_ai_summaries_on_target_type_and_target_id  (target_type,target_id)
#