# frozen_string_literal: true

require_relative "entry_term"
require_relative "textual_support"

module Termium
  # For <languageModule>
  class LanguageModule < Shale::Mapper
    attribute :language, Shale::Type::String
    attribute :entry_term, EntryTerm, collection: true
    attribute :textual_support, TextualSupport, collection: true
    xml do
      root "languageModule"
      map_attribute "language", to: :language
      map_element "entryTerm", to: :entry_term
      map_element "textualSupport", to: :textual_support
    end

    def definition_raw
      textual_support.detect(&:is_definition?)
    end

    def definition
      definition_raw&.value_typed
    end

    def domain
      definition_raw&.domain
    end

    def notes
      textual_support.select(&:is_note?).map(&:value_typed)
    end

    def examples
      textual_support.select(&:is_example?).map(&:value_typed)
    end

    def abbreviations
      entry_term.map(&:abbreviation).flatten
    end

    LANGUAGE_CODE_MAPPING = {
      "en" => "eng",
      "fr" => "fre"
    }.freeze

    def designations
      # NOTE: entry_term is a collection
      entry_term + abbreviations
    end

    def to_h
      # TODO: This is needed to skip the empty french entries of 10031781 and 10031778
      return nil unless definition

      src = {
        "language_code" => LANGUAGE_CODE_MAPPING[language.downcase],
        "terms" => designations.map(&:to_h),
        "definition" => [{ content: definition }],
        "notes" => notes,
        "examples" => examples
      }

      src["domain"] = domain if domain

      src
    end

    def to_concept
      x = to_h
      return nil unless x

      Glossarist::LocalizedConcept.new(x)
    end
  end
end