require 'rails_helper'

describe TranslationOverride do
  context 'validations' do
    describe '#value' do
      before do
        I18n.backend.store_translations(:en, some_key: '%{first} %{second}')
      end

      describe 'when interpolation keys are missing' do
        it 'should not be valid' do
          translation_override = TranslationOverride.upsert!(
            I18n.locale, 'some_key', '%{key} %{omg}'
          )

          expect(translation_override.errors.full_messages).to include(I18n.t(
            'activerecord.errors.models.translation_overrides.attributes.value.invalid_interpolation_keys',
            keys: 'key, omg'
          ))
        end

        context 'when custom interpolation keys are included' do
          it 'should be valid' do
            translation_override = TranslationOverride.upsert!(
              I18n.locale,
              'some_key',
              "#{described_class::CUSTOM_INTERPOLATION_KEYS_WHITELIST['user_notifications.user_'].join(", ")} %{something}"
            )

            expect(translation_override.errors.full_messages).to include(I18n.t(
              'activerecord.errors.models.translation_overrides.attributes.value.invalid_interpolation_keys',
              keys: 'something'
            ))
          end
        end
      end
    end
  end

  it "upserts values" do
    TranslationOverride.upsert!('en', 'some.key', 'some value')

    ovr = TranslationOverride.where(locale: 'en', translation_key: 'some.key').first
    expect(ovr).to be_present
    expect(ovr.value).to eq('some value')
  end

  it "stores js for a message format key" do
    TranslationOverride.upsert!('ru', 'some.key_MF', '{NUM_RESULTS, plural, one {1 result} other {many} }')

    ovr = TranslationOverride.where(locale: 'ru', translation_key: 'some.key_MF').first
    expect(ovr).to be_present
    expect(ovr.compiled_js).to start_with('function')
    expect(ovr.compiled_js).to_not match(/Invalid Format/i)
  end

  context "site cache" do
    def cached_value(guardian, types_name, name_key, attribute)
      json = Site.json_for(guardian)

      JSON.parse(json)[types_name]
        .find { |x| x['name_key'] == name_key }[attribute]
    end

    shared_examples "resets site text" do
      it "resets the site cache when translations of post_action_types are changed" do
        anon_guardian = Guardian.new
        user_guardian = Guardian.new(Fabricate(:user))
        original_value = I18n.t(translation_key)
        types_name, name_key, attribute = translation_key.split('.')

        expect(cached_value(user_guardian, types_name, name_key, attribute)).to eq(original_value)
        expect(cached_value(anon_guardian, types_name, name_key, attribute)).to eq(original_value)

        TranslationOverride.upsert!('en', translation_key, 'bar')
        expect(cached_value(user_guardian, types_name, name_key, attribute)).to eq('bar')
        expect(cached_value(anon_guardian, types_name, name_key, attribute)).to eq('bar')

        TranslationOverride.revert!('en', translation_key)
        expect(cached_value(user_guardian, types_name, name_key, attribute)).to eq(original_value)
        expect(cached_value(anon_guardian, types_name, name_key, attribute)).to eq(original_value)
      end
    end

    context "post_action_types" do
      let(:translation_key) { 'post_action_types.off_topic.description' }

      include_examples "resets site text"
    end

    context "topic_flag_types" do
      let(:translation_key) { 'topic_flag_types.spam.description' }

      include_examples "resets site text"
    end
  end
end