/*-------------------------------------------------------------------------
 * 功能描述：HttpUtils
 * 作者：xulisong
 * 创建时间： 2019/7/29 10:16:56
 * 版本号：v1.0
 *  -------------------------------------------------------------------------*/

using System;
using System.Diagnostics;
using System.IO;
using System.Net.Http;

namespace MBIRevitBase.Tools
{
    /// <summary>
    /// HttpUtils信息处理
    /// </summary>
    public class HttpUtils
    {
        private static HttpClient m_Client;
        /// <summary>
        /// 创建HttpClient,单例对象生成
        /// </summary>
        /// <returns></returns>
        public static HttpClient CreateClient()
        {
            if (m_Client == null)
            {
                m_Client = new HttpClient();
            }
            return m_Client;
        }
        public const string WebKitFormBoundary = "----WebKitFormBoundary";
        public static BResult PostFormDataFile(string url,Stream stream)
        {
            using (HttpClient client = CreateClient())
            {
                string boundary = string.Format("{0}{1}", WebKitFormBoundary, DateTime.Now.Ticks.ToString("x"));
                MultipartFormDataContent content = new MultipartFormDataContent(boundary);
                #region Stream请求
                var streamContent = new StreamContent(stream);
                //"file.zip"必须有，它的格式可能影响到内部的一些配置
                content.Add(streamContent, "file","file.zip");
                #endregion
                var result = client.PostAsync(url, content).Result;
                try
                {
                    if (result.IsSuccessStatusCode)
                    {
                        string rslt = result.Content.ReadAsStringAsync().Result;
                        return new BResult(true,rslt);
                    }
                    else
                    {
                        return result.ToString();
                    }
                }
                finally
                {
                    client.Dispose();
                }
            }
            return string.Empty;        
        }
    }
}