using Aliyun.OSS;
using Aliyun.OSS.Common;
using Castle.Core.Logging;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.AccessControl;
using System.Text;
using System.Threading.Tasks;
using YuanXuan.IM.Common.Attributes;
using YuanXuan.IM.Common.Dtos.ALiYun;

namespace YuanXuan.IM.Common.Helpers
{
    [Inject(Lifetime = Microsoft.Extensions.DependencyInjection.ServiceLifetime.Transient)]
    public class AliyunOssHelper
    {
        private readonly IOptionsMonitor<OSSConfigResult> ossConfig;
        private readonly ILogger<AliyunOssHelper> logger;

        public AliyunOssHelper(IOptionsMonitor<OSSConfigResult> ossConfig,
            ILogger<AliyunOssHelper> logger)
        {
            this.ossConfig = ossConfig;
            this.logger = logger;
        }

        public string UploadByStream(Stream stream, string fileName)
        {
            try
            {
                var client = new OssClient(ossConfig.CurrentValue.Endpoint, ossConfig.CurrentValue.AccessKeyId, ossConfig.CurrentValue.AccessKeySecret, new ClientConfiguration()
                {
                    SignatureVersion = SignatureVersion.V4
                });
                client.SetRegion("cn-chengdu");
                client.PutObject(ossConfig.CurrentValue.BucketName, fileName, stream);

                return $"https://{ossConfig.CurrentValue.BucketName}.{ossConfig.CurrentValue.Endpoint}/{fileName.TrimStart('/')}";
            }
            catch (Exception ex)
            {
                logger.LogError("AliyunOssHelper UploadByStream Error:{0}", ex.Message); 
            }

            return string.Empty;
        }
    }
}