class Annotation < ApplicationRecord
  acts_as_list column: :rank, scope: %i[doctrine_id]

  belongs_to :doctrine, optional: false

  belongs_to :document, polymorphic: true, optional: false

  has_many :annotation_documents, inverse_of: :annotation, dependent: :destroy
  accepts_nested_attributes_for :annotation_documents, allow_destroy: true

  has_many :annotation_annomarks, dependent: :destroy
  has_many :annomarks, through: :annotation_annomarks

  validates :content, presence: true

  def documents
    annotation_documents.collect(&:document)
  end

  def add_document(document)
    record = annotation_documents.new
    record.document = document
    record.save
  end

  def remove_document(document)
    annotation_documents.find_by(document_id: document.id).destroy
  end

  def citing_document_ids
    documents.map(&:id)
  end

  searchable do
    integer :document_id
    integer :doctrine_id

    join(:library_rank, target: Cdao::Document, type: :integer, join: { from: :id, to: :document_id })
    join(:search_year, target: Cdao::Document, type: :integer, join: { from: :id, to: :document_id })
    join(:search_doc_date, target: Cdao::Document, type: :date, join: { from: :id, to: :document_id })

    date :created_at
    date :updated_at

    text :phil_rep

    string :phil_rep
  end
end