require 'test_helper'

class CallbacksTest < ActiveSupport::TestCase

  def test_translation_states_created_after_vulgatified_item_created
    post = create(:not_translated_post)

    locales = Vulgata::Helpers.available_locales
    assert_equal post.translation_states.count, locales.count

    # test source translation state
    source_translation_state = post.translation_states.find_by(status: 0)
    assert_not_nil source_translation_state
    assert_equal :source, source_translation_state.status
    assert_nil source_translation_state.priority
    assert_equal post.id, source_translation_state.item_id
    assert_equal post.vulgata_item_type, source_translation_state.item_type
    assert_nil source_translation_state.user
    assert_equal :en, source_translation_state.locale.to_sym

    # test source translation state versions
    assert_equal 1, source_translation_state.versions.count
    assert_nil source_translation_state.versions.last.user
    assert_equal source_translation_state.status, source_translation_state.versions.last.status
    assert_equal source_translation_state.priority, source_translation_state.versions.last.priority
    assert_nil source_translation_state.versions.last.translation_data
    assert_nil source_translation_state.versions.last.word_count

    translation_states = post.translation_states - [source_translation_state]
    locales = locales - [:en]

    # test translation states
    translation_states.each do |translation_state|
      assert_equal :pending, translation_state.status
      assert_equal post.vulgata_priority, translation_state.priority
      assert_equal post.id, translation_state.item_id
      assert_equal post.vulgata_item_type, translation_state.item_type
      assert_nil translation_state.user
      assert translation_state.locale.to_sym.in?(locales)

      # test translation state versions
      assert_equal 1, translation_state.versions.count
      assert_equal translation_state.user, translation_state.versions.last.user
      assert_equal translation_state.status, translation_state.versions.last.status
      assert_equal translation_state.priority, translation_state.versions.last.priority
      assert_nil translation_state.versions.last.translation_data
      assert_nil translation_state.versions.last.word_count
    end
  end

  def test_translation_states_created_for_existing_translations
    post = create(:translated_post)

    post.translation_states.destroy_all
    post.init_vulgata_states

    # test translation states
    locales = Vulgata::Helpers.available_locales
    assert_equal post.translation_states.count, locales.count

    source_translation_state = post.translation_states.find_by(status: 0)
    assert_equal :source, source_translation_state.status
    assert_nil source_translation_state.priority
    assert_equal post.id, source_translation_state.item_id
    assert_equal post.vulgata_item_type, source_translation_state.item_type
    assert_nil source_translation_state.user_id
    assert_equal :en, source_translation_state.locale.to_sym

    german_translation_state = post.translation_states.find_by(locale: :de)
    assert_equal :approved, german_translation_state.status
    assert_equal post.id, german_translation_state.item_id
    assert_equal post.vulgata_item_type, german_translation_state.item_type
    assert_nil german_translation_state.user_id

    # test translation states versions
    assert_equal 1, source_translation_state.versions.count
    assert_nil source_translation_state.versions.last.user
    assert_equal source_translation_state.status, source_translation_state.versions.last.status
    assert_equal source_translation_state.priority, source_translation_state.versions.last.priority
    assert_nil source_translation_state.versions.last.translation_data
    assert_nil source_translation_state.versions.last.word_count

    assert_equal 1, german_translation_state.versions.count
    assert_equal german_translation_state.user, german_translation_state.versions.last.user
    assert_equal german_translation_state.status, german_translation_state.versions.last.status
    assert_equal german_translation_state.priority, german_translation_state.versions.last.priority
    assert_nil german_translation_state.versions.last.translation_data
    assert_nil german_translation_state.versions.last.word_count
  end


  def test_translation_states_pending_after_vulgatified_item_updated
    post = create(:translated_post)

    # update original object
    post.title = "Post about Hummus"
    post.save

    # test translation states
    german_translation_state = post.translation_states.find_by(locale: :de)
    assert_equal :pending, german_translation_state.status
    assert_nil german_translation_state.user

    # test translation state versions
    assert_equal 2, german_translation_state.versions.count
    assert_nil german_translation_state.versions.last.user
    assert_nil german_translation_state.versions.last.translation_data
    assert_nil german_translation_state.versions.last.word_count
  end


  def test_translation_states_deleted_after_vulgata_object_deleted
    post = create(:translated_post)
    post.destroy
    translation_states = Vulgata::TranslationState.find_by(item: post)
    assert_nil translation_states
  end
end