# frozen_string_literal: true

# == Schema Information
#
# Table name: source_changes
#
#  id          :integer          not null, primary key
#  fingerprint :string
#  initial     :boolean          default(FALSE), not null
#  ip          :inet             not null
#  new_value   :string
#  referrer    :string           default("")
#  user_agent  :string           default("")
#  created_at  :datetime         not null
#  updated_at  :datetime         not null
#  post_id     :integer          not null
#  user_id     :integer
#
# Indexes
#
#  index_source_changes_on_ip       (ip)
#  index_source_changes_on_post_id  (post_id)
#  index_source_changes_on_user_id  (user_id)
#
# Foreign Keys
#
#  fk_rails_...  (post_id => posts.id)
#  fk_rails_...  (user_id => users.id) ON DELETE => nullify ON UPDATE => cascade
#
class SourceChange < ApplicationRecord
  include UserAttributable
  belongs_to :post

  def user_visible?
    super && !(post.anonymous && post.uploader_is?(user, ip))
  end

  def self.add_to_img(img, updating_user, request, initial: false)
    if img.previous_changes.include? 'source_url'
      SourceChange.create(ip:          request.remote_ip,
                          user:        updating_user,
                          post:        img,
                          new_value:   img.source_url,
                          initial:     initial)
    end
  end

  def as_json
    {
      id:       id,
      post_id:  post_id,
      initial:  initial,
      value:    new_value,
      user:     author
    }
  end

  delegate :id, to: :parent, prefix: true

  alias parent post
end