import 'dart:io';

import 'package:flutter/services.dart';
import 'package:path_provider/path_provider.dart';

class SCFileHelper {
  // 将资源文件拷贝到应用文档目录
  static Future<String> copyAssetToLocal(String assetPath) async {
    try {
      // 获取应用文档目录
      final Directory appDocDir = await getApplicationDocumentsDirectory();
      final String localFilePath =
          '${appDocDir.path}/${assetPath.split('/').last}';

      // 检查文件是否已存在
      if (await File(localFilePath).exists()) {
        return localFilePath;
      }

      // 从Assets加载字节数据
      final ByteData data = await rootBundle.load(assetPath);
      final List<int> bytes = data.buffer.asUint8List();

      // 将字节数据写入本地文件
      final File localFile = File(localFilePath);
      await localFile.writeAsBytes(bytes);

      return localFilePath;
    } catch (e) {
      rethrow; // 重新抛出异常以便上层处理
    } finally {}
  }
}