import 'dart:async';
import 'dart:typed_data';

import 'package:EasyDartModule/base/storage/Storage.dart';
import 'package:minio/minio.dart';

class MinioStorage implements Storage {
  final Minio _minio;
  final StorageConfig _config;
  MinioStorage(this._config)
      : _minio = Minio(
            endPoint: _config.host,
            port: _config.port,
            useSSL: _config.ssl,
            accessKey: _config.accessKey,
            secretKey: _config.secretKey);

  @override
  Future<void> createBucket(String name) async {
    if (await _minio.bucketExists(name)) {
      return;
    }
    return await _minio.makeBucket(name);
  }

  @override
  Future<void> removeBucket(String name) async {
    return await _minio.removeBucket(name);
  }

  @override
  Future<void> deleteObject(String bucketName, String objectName) async {
    return await _minio.removeObject(bucketName, objectName);
  }

  @override
  Future<Uint8List> getObject(String bucketName, String objectName) async {
    MinioByteStream stream = await _minio.getObject(bucketName, objectName);
    // 将 Stream<List<int>> 转为 List<int>
    final List<int> bytes = await stream
        .toList()
        .then((chunks) => chunks.expand((chunk) => chunk).toList());

    // 转换为 Uint8List
    return Uint8List.fromList(bytes);
  }

  @override
  Future<String> uploadObject(
      String bucketName, String objectName, Uint8List data) async {
    await _minio.putObject(bucketName, objectName, Stream.fromIterable([data]));
    return "${_config.path ?? 'http${_config.ssl ? "s" : ""}://${_config.host}:${_config.port}'}/$bucketName/$objectName";
  }
}