# frozen_string_literal: true
require 'fancy_searchable/searchable'

# == Schema Information
#
# Table name: comments
#
#  id                :integer          not null, primary key
#  anonymous         :boolean          default(FALSE)
#  body              :string           not null
#  deletion_reason   :string           default(""), not null
#  destroyed_content :boolean          default(FALSE)
#  edit_reason       :string
#  edited_at         :datetime
#  hidden_from_users :boolean          default(FALSE), not null
#  ip                :inet
#  name_at_post_time :string
#  referrer          :string           default("")
#  show_staff_tag    :boolean          default(FALSE), not null
#  tripcode          :text
#  user_agent        :string           default("")
#  created_at        :datetime         not null
#  updated_at        :datetime         not null
#  deleted_by_id     :integer
#  post_id           :integer
#  user_id           :integer
#
# Indexes
#
#  index_comments_on_created_at     (created_at)
#  index_comments_on_deleted_by_id  (deleted_by_id) WHERE (deleted_by_id IS NOT NULL)
#  index_comments_on_post_id        (post_id)
#  index_comments_on_user_id        (user_id)
#
# Foreign Keys
#
#  fk_rails_...  (deleted_by_id => users.id) ON DELETE => nullify ON UPDATE => cascade
#  fk_rails_...  (post_id => posts.id)
#  fk_rails_...  (user_id => users.id) ON DELETE => nullify ON UPDATE => cascade
#
class Comment < ApplicationRecord
  include Hidable
  include Reportable
  include FancySearchable::Searchable
  include Indexable
  include AnonUserAttributable
  include ModLoggable

  resourcify

  belongs_to :post
  belongs_to :deleted_by, class_name: 'User', optional: true

  validates_with CommentValidator
  validates_with DestroyOnlyIfHiddenValidator
  validates :body, presence: { message: "can't be blank.", unless: :destroyed_content }
  validates :edit_reason, length: { maximum: 70, message: 'too long (70 character max).' }
  validates :post, presence: true

  has_paper_trail on: [:update, :destroy]

  audited only: [:body, :edit_reason, :deletion_reason, :hidden_from_users], if: Proc.new { |comment| User.audit_current_user&.staff? && comment.user != User.audit_current_user }

  after_create do
    # Update image comment count.
    Post.increment_counter(:comments_count, post_id)
    post.update(updated_at: Time.zone.now)
  end

  after_commit(on: :create) do
    # Send notifications.
    Notification.async_notify(post, 'commented on', self)
  end

  after_commit :update_index

  def link_to_route
    "/#{post.id}#comment_#{id}"
  end

  def for_route
    [post, self]
  end

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

  alias parent post
end