import 'package:eaimar/data/services/language_configs/azure_language_config.dart';
import 'package:eaimar/data/services/language_manager.dart';
import 'package:eaimar/data/services/microsoft_text_translation.dart';
import 'package:flutter_test/flutter_test.dart';

/// 界面语言表补上微软三表里原先没开放的 40 种。
/// 通话只要一边是这些语种，就整对走微软，原有语种的档位不动。
void main() {
  late LanguageManager languages;

  setUp(() {
    languages = LanguageManager();
  });

  test('语言表是原来的 39 种加上这 40 种', () {
    expect(languages.getAllChineseNames(), hasLength(79));
    expect(LanguageManager.azureCallOnlyShortCodes, hasLength(40));
    for (final code in LanguageManager.azureCallOnlyShortCodes) {
      expect(languages.getLanguageByShortCode(code), isNotNull,
          reason: code);
    }
  });

  test('粤语和香港繁体共用识别码，按名字仍是两条', () {
    final yue = languages.getLanguageByChineseName('粤语');
    final hk = languages.getLanguageByChineseName('中文(香港繁体)');
    expect(yue?.shortCode, 'yue');
    expect(yue?.asrCode, 'zh-HK');
    expect(yue?.ttsVoiceName, 'yue-CN-XiaoMinNeural');
    expect(hk?.shortCode, 'zh-Hant-hk');
    expect(hk?.asrCode, 'zh-HK');
    expect(hk?.ttsVoiceName, 'zh-HK-HiuMaanNeural');
    // 按识别码反查保留先登记的香港繁体，系统语言默认值还指得上它。
    expect(languages.getChineseNameByAsrCode('zh-HK'), '中文(香港繁体)');
    expect(languages.getChineseNameByShortCode('yue'), '粤语');
  });

  test('原有通话档位不变，扩展语种整对走微软', () {
    expect(languages.findBestMatchingProvider('zh', 'en')?.provider, 'alibaba35');
    expect(languages.findBestMatchingProvider('zh', 'el')?.provider, 'alibaba');
    expect(languages.findBestMatchingProvider('zh', 'ro')?.provider, 'azure');

    for (final code in ['fil', 'he', 'is', 'yue', 'cy', 'jv']) {
      expect(languages.findBestMatchingProvider('zh', code)?.provider, 'azure',
          reason: 'zh -> $code');
      expect(languages.findBestMatchingProvider(code, 'en')?.provider, 'azure',
          reason: '$code -> en');
    }
  });

  test('爪哇语的微软翻译码是 jv', () {
    final spec = getAzureTranslationLanguageSpecs()
        .firstWhere((e) => e['shortCode'] == 'jv');
    expect(spec['translationCode'], 'jv');
    expect(languages.microsoftTranslateCode('yue'), 'yue');
    expect(languages.microsoftTranslateCode('zh'), 'zh-Hans');
    expect(languages.microsoftTranslateCode('zh-Hant-hk'), 'zh-Hant');
    expect(languages.microsoftTranslateCode('jv'), 'jv');
  });

  test('同声面对面音视频的扩展语种走微软文本翻译，原有语种和通话不走', () {
    for (final mode in ['simultaneous', 'faceToFace', 'audioVideo']) {
      expect(LanguageManager.microsoftTextPipeline(mode, 'zh', 'fil'), isTrue);
      expect(LanguageManager.microsoftTextPipeline(mode, 'yue', 'en'), isTrue);
      expect(LanguageManager.microsoftTextPipeline(mode, 'zh', 'en'), isFalse);
      expect(LanguageManager.microsoftTextPipeline(mode, 'zh', 'el'), isFalse);
    }
    expect(LanguageManager.microsoftTextPipeline('call', 'zh', 'fil'), isFalse);
  });

  test('粤语播报用粤语音色，不串到香港繁体', () {
    expect(languages.getTtsVoiceNameByShortCode('yue'), 'yue-CN-XiaoMinNeural');
    expect(languages.getTtsVoiceNameByShortCode('zh-Hant-hk'),
        'zh-HK-HiuMaanNeural');
  });

  test('繁体、乌克兰语、克罗地亚语走微软翻译码', () {
    expect(microsoftMtRequired('en-US', 'zh-TW'), isTrue);
    expect(microsoftMtRequired('zh-HK', 'en-US'), isTrue);
    expect(microsoftMtRequired('zh-CN', 'uk-UA'), isTrue);
    expect(microsoftMtRequired('hr-HR', 'en'), isTrue);
    expect(microsoftMtRequired('zh-CN', 'en-US'), isFalse);

    expect(microsoftMtCode('zh-TW'), 'zh-Hant');
    expect(microsoftMtCode('zh-HK'), 'zh-Hant');
    expect(microsoftMtCode('zh-CN'), 'zh-Hans');
    expect(microsoftMtCode('uk-UA'), 'uk');
    expect(microsoftMtCode('hr-HR'), 'hr');
    expect(microsoftMtCode(''), '');
  });

  test('解析微软翻译响应', () {
    expect(
      microsoftTranslationText([
        {
          'translations': [
            {'text': ' hello ', 'to': 'en'}
          ]
        }
      ]),
      'hello',
    );
    expect(microsoftTranslationText([]), isNull);
    expect(microsoftTranslationText([
      {'translations': []}
    ]), isNull);
  });
}