import 'dart:io';
import 'dart:convert';

void main(List<String> args) async {
  final dirPath = args.isNotEmpty ? args[0] : Directory.current.path;

  print('扫描目录: $dirPath');

  final directory = Directory(dirPath);
  if (!directory.existsSync()) {
    print('目录不存在');
    return;
  }

  final dartFiles = <File>[];
  await for (var entity in directory.list(recursive: true, followLinks: false)) {
    if (entity is File && entity.path.endsWith('.dart')) {
      dartFiles.add(entity);
    }
  }

  final stringWithChineseReg = RegExp(r'''(['"])(?:(?!\1).)*[\u4e00-\u9fa5]+(?:(?!\1).)*\1''');
  final chineseSet = <String>{};

  for (var file in dartFiles) {
    final content = await file.readAsString();
    final uncommented = removeComments(content);

    final matches = stringWithChineseReg.allMatches(uncommented);
    for (var match in matches) {
      final fullString = match.group(0)!;
      final pure = fullString.substring(1, fullString.length - 1).trim(); // 去掉引号
      
      // 跳过包含$的字符串（模板字符串）
      if (pure.contains('\$')) continue;
      
      // 处理带点的字符串
      var processedText = pure;
      if (pure.contains('.')) {
        processedText = pure.substring(pure.lastIndexOf('.') + 1);
      }
      
      if (processedText.isNotEmpty) {
        chineseSet.add(processedText);
      }
    }
  }

  final resultMap = {for (var text in chineseSet) text: text};
  final jsonString = const JsonEncoder.withIndent('  ').convert(resultMap);

  final outputFile = File('chinese_texts.json');
  await outputFile.writeAsString(jsonString);

  print('中文文本已保存到: ${outputFile.path}');
}

// 移除注释内容
String removeComments(String source) {
  // 移除多行注释 /* ... */
  source = source.replaceAll(RegExp(r'/\*[\s\S]*?\*/'), '');
  // 移除单行注释 //
  source = source.replaceAll(RegExp(r'//.*'), '');
  return source;
}