module E621
  class Pool < ApplicationRecord
    self.table_name = "e621.pools"

    after_commit(on: %i[create update]) do
      PoolIndex.update_document(self)
    end

    after_commit(on: :destroy) do
      PoolIndex.delete_document(id)
    end

    def posts
      E621::Post.where(id: post_ids)
    end

    def post_tags
      posts.map(&:tags).flatten.uniq
    end

    def thumbnail_url
      post = posts.first
      return nil if post.nil? || post.is_deleted?
      "https://static1.e621.net/data/#{post.md5[0..1]}/#{post.md5[2..3]}/#{post.md5}.#{post.file_ext}"
    end

    def self.search(params, page, limit)
      E621PoolQueryBuilder.new(params).search(page, limit) => { results:, count: }
      pools = where(id: results).sort_by { |pool| results.index(pool.id) }
      { pools: pools, total: count }
    end

    module SyncMethods
      def sync
        E621ExportDownloadJob.perform_later("pools")
      end

      def sync!
        E621ExportDownloadJob.perform_now("pools")
      end

      def sync_tags
        find_each do |pool|
          UpdateE621PoolTagsJob.perform_later(pool.id)
        end
      end

      def sync_tags!
        find_each do |pool|
          UpdateE621PoolTagsJob.perform_now(pool.id)
        end
      end
    end

    extend SyncMethods
  end
end