using System;
using System.Threading;
using System.Linq;
using System.IO;
using Aliyun.OSS;
using Aliyun.OSS.Common;
using System.Text.RegularExpressions;
using Common;
using Infrastructure;
using Infrastructure.Model;

namespace Util
{
    public class OssHelper
    {
        public string key = ""; //阿里云AccessKey ID
        public string secret = "";  //阿里云Access Key Secret
        public string PathName = "Omega";
        public string endpoint = "";  //endpoint
        public string bucketName = "";
        public string SourceHost = "";
        public bool OssStatus = false;
        public readonly static OssHelper Instance = new OssHelper();
        private OssHelper()
        {
            var options = App.OptionsSetting;
            OssConfigs ossConfigs = options.OssConfigs;
            key = ossConfigs.Key;
            secret = ossConfigs.Secret;
            endpoint = ossConfigs.Endpoint;
            bucketName = ossConfigs.BucketName;
            SourceHost = "https://" + ossConfigs.BucketName + "." + ossConfigs.Endpoint + "/";
        }

        /// <summary>
        /// 上传文件
        /// </summary>
        /// <returns></returns>
        public void Upload(string dataFilePath)
        {
            var client = new OssClient(OssHelper.Instance.endpoint, OssHelper.Instance.key, OssHelper.Instance.secret);
            if(dataFilePath.Substring(dataFilePath.LastIndexOf("/")).Contains("."))
            {
                if(dataFilePath.Contains("net7.0/"))
                {
                    string localFile = dataFilePath.Substring(dataFilePath.IndexOf("net7.0//") + 8).Replace("\\", "/");
                    ScanQueue(localFile, dataFilePath, client);
                }
                else
                {
                    string localFile = dataFilePath.Substring(dataFilePath.IndexOf("omega_make/") + 11).Replace("\\", "/");
                    ScanQueue(localFile, dataFilePath, client);
                }
            }
            else
            {
                System.IO.FileSystemInfo info = new System.IO.DirectoryInfo(dataFilePath);
                scan(info, client);
            }
        }
        private void scan(System.IO.FileSystemInfo info, OssClient client)
        {
            if (!info.Exists) return;
            System.IO.DirectoryInfo dir = info as System.IO.DirectoryInfo;
            //不是目录
            if (dir == null) return;
            System.IO.FileSystemInfo[] files = dir.GetFileSystemInfos();
            for (int i = 0; i < files.Length; i++)
            {
                System.IO.FileInfo file = files[i] as System.IO.FileInfo;
                //是文件
                if (file != null)
                {
                    if(file.FullName.Contains("net7.0/"))
                    {
                        string localFile = file.FullName.Substring(file.FullName.IndexOf("net7.0//") + 8).Replace("\\", "/");
                        ScanQueue(localFile, file.FullName, client);
                    }
                    else
                    {
                        string localFile = file.FullName.Substring(file.FullName.IndexOf("omega_make/") + 11).Replace("\\", "/");
                        ScanQueue(localFile, file.FullName, client);
                    }
                }
                else scan(files[i], client);
            }
        }

        //上传        
        public void ScanQueue(string data, string FileFullName, OssClient client)
        {
            // 上传文件。
            string localFile = Function.getPath(data);
            string filePath = data.TrimStart('/');
            var result = client.PutObject(bucketName, filePath, localFile, new ObjectMetadata()
            {
                ExpirationTime = DateTime.Parse("2050-12-31 23:59:59")
            });
            if (!string.IsNullOrEmpty(result.ETag))
            {
                if (result.ETag.Length == 32)
                {
                    if (File.Exists(localFile))
                    {
                        File.Delete(localFile);
                    }
                }
            }

            if (File.Exists(FileFullName))
            {
                File.Delete(FileFullName);
            }
        }
    }
}