using Newtonsoft.Json;
using System;
using System.Web;
using System.IO;
using System.Net;
using System.Text;

namespace iWareCommon.Utils
{
    public class HttpHelper
    {
        /// <summary>
        /// 获取response的静态方法
        /// </summary>
        /// <param name="url">请求地址</param>
        /// <param name="postData">请求参数</param>
        /// <param name="timeout">延迟时间</param>
        /// <returns>请求的response</returns>
        public static string GetHttpResponse(string url, object postData, string token, int timeout)
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "POST";
            request.ContentType = "application/json;charset=UTF-8";
            request.UserAgent = null;
            request.Timeout = timeout;
            request.Headers.Add("Authorization", token);
            var myRequestStream = request.GetRequestStream();

            var json = postData == null ? "" : JsonConvert.SerializeObject(postData);

            var jsonBytes = UTF8Encoding.UTF8.GetBytes(json);
            myRequestStream.Write(jsonBytes, 0, jsonBytes.Length);
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            Stream myResponseStream = response.GetResponseStream();
            StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
            string retString = myStreamReader.ReadToEnd();
            myStreamReader.Close();
            myResponseStream.Close();
            return retString;
        }

        /// <summary>
        /// 获取response的静态方法
        /// </summary>
        /// <param name="url">请求地址</param>
        /// <param name="postData">请求参数</param>
        /// <param name="timeout">延迟时间</param>
        /// <returns>请求的response</returns>
        public static string GetHttpResponse(string url, object postData,int timeout)
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "POST";
            request.ContentType = "application/json;charset=UTF-8";
            request.UserAgent = null;
            request.Timeout = timeout;
            request.Headers.Add("Authorization", "eyJhbGciOiJIUzM4NCIsInR5cCI6IkpXVCJ9.eyJpYXQiOiIxNTUzNTMwNjAwIiwiZXhwIjoiMTYxNjYwMjYwMCIsImlzcyI6IlNBR1dXSVAiLCJzdWIiOiJ3Y3NpbnRlZ3JhdGVkIiwidXNlcm5hbWUiOiJ3Y3NpbnRlZ3JhdGVkIiwidXNlcmdyb3VwIjpbeyJsb2dpbm5hbWUiOiJ3Y3NpbnRlZ3JhdGVkIiwiZ3JvdXBJZCI6Ijg3YjE1MTQ1LWUwODMtNDM2Ny04ZjdiLTNiNTI3NWJhYzExZSIsImdyb3VwbmFtZSI6IlJDU2ludGVncmF0ZWQiLCJyb2xlSWQiOiI4NjNhMGIxZS0zODAzLTQyNmMtOTRlNC04OTRmNTE1ZWQyYzgiLCJyb2xlbmFtZSI6IlJDU-mbhuaIkCJ9LHsibG9naW5uYW1lIjoid2NzaW50ZWdyYXRlZCIsImdyb3VwSWQiOiI5ZGU3ZjA5Zi05YzhiLTQwNDEtODc0NS1hYjgxNGQ0OTFiODEiLCJncm91cG5hbWUiOiJXQ1NpbnRlZ3JhdGVkIiwicm9sZUlkIjoiNWJhZDE1YTUtOTQ1NC00YTc3LTk0OGYtNzUxMjI2NDdiOTA4Iiwicm9sZW5hbWUiOiJXQ1Ppm4bmiJAifV19.AN9iUPMFZ5w7UW7D5kERV903gPCtyk6o2STZILX7QzkVjKLLSWgpUnQYBBfiSSQk");
            var myRequestStream = request.GetRequestStream();

            var json = postData == null ? "" : JsonConvert.SerializeObject(postData);

            var jsonBytes = UTF8Encoding.UTF8.GetBytes(json);
            myRequestStream.Write(jsonBytes,0,jsonBytes.Length);
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            Stream myResponseStream = response.GetResponseStream();
            StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
            string retString = myStreamReader.ReadToEnd();
            myStreamReader.Close();
            myResponseStream.Close();
            return retString;
        }

        /// <summary>
        /// 获取response的静态方法
        /// </summary>
        /// <param name="url">请求地址</param>
        /// <param name="postData">请求参数</param>
        /// <param name="timeout">延迟时间</param>
        /// <returns>请求的response</returns>
        public static T2 GetHttpResponse<T, T2>(string url, T postData, int timeout)
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "POST";
            request.ContentType = "application/json;charset=UTF-8";
            request.UserAgent = null;
            request.Timeout = timeout;
            //request.Headers.Add("Authorization", "eyJhbGciOiJIUzM4NCIsInR5cCI6IkpXVCJ9.eyJpYXQiOiIxNTUzNTMwNjAwIiwiZXhwIjoiMTYxNjYwMjYwMCIsImlzcyI6IlNBR1dXSVAiLCJzdWIiOiJ3Y3NpbnRlZ3JhdGVkIiwidXNlcm5hbWUiOiJ3Y3NpbnRlZ3JhdGVkIiwidXNlcmdyb3VwIjpbeyJsb2dpbm5hbWUiOiJ3Y3NpbnRlZ3JhdGVkIiwiZ3JvdXBJZCI6Ijg3YjE1MTQ1LWUwODMtNDM2Ny04ZjdiLTNiNTI3NWJhYzExZSIsImdyb3VwbmFtZSI6IlJDU2ludGVncmF0ZWQiLCJyb2xlSWQiOiI4NjNhMGIxZS0zODAzLTQyNmMtOTRlNC04OTRmNTE1ZWQyYzgiLCJyb2xlbmFtZSI6IlJDU-mbhuaIkCJ9LHsibG9naW5uYW1lIjoid2NzaW50ZWdyYXRlZCIsImdyb3VwSWQiOiI5ZGU3ZjA5Zi05YzhiLTQwNDEtODc0NS1hYjgxNGQ0OTFiODEiLCJncm91cG5hbWUiOiJXQ1NpbnRlZ3JhdGVkIiwicm9sZUlkIjoiNWJhZDE1YTUtOTQ1NC00YTc3LTk0OGYtNzUxMjI2NDdiOTA4Iiwicm9sZW5hbWUiOiJXQ1Ppm4bmiJAifV19.AN9iUPMFZ5w7UW7D5kERV903gPCtyk6o2STZILX7QzkVjKLLSWgpUnQYBBfiSSQk");
            var myRequestStream = request.GetRequestStream();

            var json = postData == null ? "" : JsonConvert.SerializeObject(postData);

            var jsonBytes = UTF8Encoding.UTF8.GetBytes(json);
            myRequestStream.Write(jsonBytes, 0, jsonBytes.Length);
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            Stream myResponseStream = response.GetResponseStream();
            StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
            string retString = myStreamReader.ReadToEnd();
            myStreamReader.Close();
            myResponseStream.Close();
            T2 result = JsonConvert.DeserializeObject<T2>(retString);
            return result;
        }
        /// <summary>
        /// Http上传文件
        /// </summary>
        /// <param name="url">上传的路径</param>
        /// <param name="path">本地文件路径</param>
        /// <returns>反馈的信息</returns>
        public static string HttpUploadFile(string url, string path)
        {
            // 设置参数
            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
            CookieContainer cookieContainer = new CookieContainer();
            request.CookieContainer = cookieContainer;
            request.AllowAutoRedirect = true;
            request.Method = "POST";
            string boundary = DateTime.Now.Ticks.ToString("X"); // 随机分隔线
            request.ContentType = "multipart/form-data;charset=utf-8;boundary=" + boundary;
            byte[] itemBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "\r\n");
            byte[] endBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "--\r\n");
            int pos = path.LastIndexOf("\\");
            string fileName = path.Substring(pos + 1);
            //请求头部信息 
            StringBuilder sbHeader = new StringBuilder(string.Format("Content-Disposition:form-data;name=\"file\";filename=\"{0}\"\r\nContent-Type:application/octet-stream\r\n\r\n", fileName));
            byte[] postHeaderBytes = Encoding.UTF8.GetBytes(sbHeader.ToString());
            FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read);
            byte[] bArr = new byte[fs.Length];
            fs.Read(bArr, 0, bArr.Length);
            fs.Close();
            Stream postStream = request.GetRequestStream();
            postStream.Write(itemBoundaryBytes, 0, itemBoundaryBytes.Length);
            postStream.Write(postHeaderBytes, 0, postHeaderBytes.Length);
            postStream.Write(bArr, 0, bArr.Length);
            postStream.Write(endBoundaryBytes, 0, endBoundaryBytes.Length);
            postStream.Close();
            //发送请求并获取相应回应数据
            HttpWebResponse response = request.GetResponse() as HttpWebResponse;
            //直到request.GetResponse()程序才开始向目标网页发送Post请求
            Stream instream = response.GetResponseStream();
            StreamReader sr = new StreamReader(instream, Encoding.UTF8);
            //返回结果网页（html）代码
            string content = sr.ReadToEnd();
            return content;
        }

        /// <summary>
        /// Http上传文件
        /// </summary>
        /// <param name="url">上传的路径</param>
        /// <param name="path">本地文件路径</param>
        /// <returns>反馈的信息</returns>
        public static string HttpUploadFile(string url, object postData, string token, int timeout, string path)
        {
            // 设置参数
            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
            CookieContainer cookieContainer = new CookieContainer();
            request.CookieContainer = cookieContainer;
            request.AllowAutoRedirect = true;
            request.Method = "POST";
            string boundary = DateTime.Now.Ticks.ToString("X"); // 随机分隔线
            request.ContentType = "multipart/form-data;charset=utf-8;boundary=" + boundary;
            request.Timeout = timeout;
            request.Headers.Add("Authorization", token);
            var myRequestStream = request.GetRequestStream();
            var json = postData == null ? "" : JsonConvert.SerializeObject(postData);
            var jsonBytes = UTF8Encoding.UTF8.GetBytes(json);
            myRequestStream.Write(jsonBytes, 0, jsonBytes.Length);

            byte[] itemBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "\r\n");
            byte[] endBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "--\r\n");
            int pos = path.LastIndexOf("\\");
            string fileName = path.Substring(pos + 1);
            
            //请求头部信息 
            StringBuilder sbHeader = new StringBuilder(string.Format("Content-Disposition:form-data;name=\"file\";filename=\"{0}\"\r\nContent-Type:application/octet-stream\r\n\r\n", fileName));
            byte[] postHeaderBytes = Encoding.UTF8.GetBytes(sbHeader.ToString());
            FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read);
            byte[] bArr = new byte[fs.Length];
            fs.Read(bArr, 0, bArr.Length);
            fs.Close();
            Stream postStream = request.GetRequestStream();
            postStream.Write(itemBoundaryBytes, 0, itemBoundaryBytes.Length);
            postStream.Write(postHeaderBytes, 0, postHeaderBytes.Length);
            postStream.Write(bArr, 0, bArr.Length);
            postStream.Write(endBoundaryBytes, 0, endBoundaryBytes.Length);
            postStream.Close();
            
            //发送请求并获取相应回应数据
            HttpWebResponse response = request.GetResponse() as HttpWebResponse;
            
            //直到request.GetResponse()程序才开始向目标网页发送Post请求
            Stream instream = response.GetResponseStream();
            StreamReader sr = new StreamReader(instream, Encoding.UTF8);
            
            //返回结果网页（html）代码
            string content = sr.ReadToEnd();
            return content;
        }

        /// <summary>
        /// Http上传文件
        /// </summary>
        /// <param name="url">上传的路径</param>
        /// <param name="path">本地文件路径</param>
        /// <returns>反馈的信息</returns>
        public static string HttpUploadFile(string url, HttpPostedFile file,  string token, int timeout)
        {
            // 设置参数
            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
            CookieContainer cookieContainer = new CookieContainer();
            request.CookieContainer = cookieContainer;
            request.AllowAutoRedirect = true;
            request.Method = "POST";
            string boundary = DateTime.Now.Ticks.ToString("X"); // 随机分隔线
            request.ContentType = "multipart/form-data;charset=utf-8;boundary=" + boundary;
            request.Timeout = timeout;
            request.Headers.Add("Authorization", token);
           
            byte[] itemBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "\r\n");
            byte[] endBoundaryBytes = Encoding.UTF8.GetBytes("\r\n--" + boundary + "--\r\n");
            
            //请求头部信息 
            StringBuilder sbHeader = new StringBuilder(string.Format("Content-Disposition:form-data;name=\"file\";filename=\"{0}\"\r\nContent-Type:application/octet-stream\r\n\r\n", file.FileName));
            byte[] postHeaderBytes = Encoding.UTF8.GetBytes(sbHeader.ToString());

            
            int fileLen = file.ContentLength;
            byte[] bArray = new byte[fileLen];
            file.InputStream.Read(bArray, 0, fileLen);
            
            Stream postStream = request.GetRequestStream();
            
            
            
            postStream.Write(itemBoundaryBytes, 0, itemBoundaryBytes.Length);
            postStream.Write(postHeaderBytes, 0, postHeaderBytes.Length);
            postStream.Write(bArray, 0, bArray.Length);
            postStream.Write(endBoundaryBytes, 0, endBoundaryBytes.Length);
            postStream.Close();

            //发送请求并获取相应回应数据
            HttpWebResponse response = request.GetResponse() as HttpWebResponse;

            //直到request.GetResponse()程序才开始向目标网页发送Post请求
            Stream instream = response.GetResponseStream();
            StreamReader sr = new StreamReader(instream, Encoding.UTF8);

            //返回结果网页（html）代码
            string content = sr.ReadToEnd();
            return content;
        }
    }
}