translateBulkToSingleTarget method

Implementation

@override
Future<List<String>> translateBulkToSingleTarget(
  List<String> sources,
  LanguageCode sourceLanguage,
  LanguageCode target,
) async {
  logger.info(
      'Translate bulk "$sources" from $sourceLanguage to single $target');

  final prompt = '''
Translate the following texts from $sourceLanguage to $target.
Return only the translations, in the same order as the texts listed, one per line.
Do not include the original texts, language names, colons, or any extra text—just the translations.
Texts:
${sources.join('\n')}
''';

  final apiResult = await _queryCompletions(prompt, 2000);

  if (!apiResult.succeeded) {
    logger.warning('Translation failed');
    return sources;
  }

  if (apiResult.valueUnsafe.choices.isEmpty) {
    logger.warning('Choices list is empty for prompt: $prompt');
    return sources;
  }

  final translatedText = apiResult.valueUnsafe.choices.first.message.content;

  final lines = _splitResponseIntoLines(translatedText);
  if (lines.length != sources.length) {
    logger.warning(
        'Expected ${sources.length} translations, got ${lines.length}');
  }

  return List.generate(
    sources.length,
    (i) => i < lines.length ? lines[i] : sources[i],
  );
}