using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;

namespace CollectInformation.Tools
{
    public static class HttpUitls
    {
        public static Dictionary<string, string> Get(string Url)
        {
            return Get(Url, null);
        }
        public static Dictionary<string, string> Get(string Url, string userToken)
        {
            Dictionary<string, string> ret = new Dictionary<string, string>();
            ret.Add("code", "1");
            try
            {
                //System.GC.Collect();
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
                request.Proxy = null;
                request.KeepAlive = false;
                request.Method = "GET";
                request.ContentType = "application/json; charset=UTF-8";

                if (userToken != null)
                {
                    request.Headers.Add("Authorization", userToken);
                }

                request.AutomaticDecompression = DecompressionMethods.GZip;

                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                Stream myResponseStream = response.GetResponseStream();
                StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.UTF8);
                string retString = myStreamReader.ReadToEnd();

                myStreamReader.Close();
                myResponseStream.Close();

                if (response != null)
                {
                    response.Close();
                }
                if (request != null)
                {
                    request.Abort();
                }


                ret.Add("data", retString);
            }
            catch (Exception e)
            {
                ret["code"] = "0";
                ret.Add("message", e.Message);
            }
            return ret;
        }

        public static Dictionary<string, string> Post(string Url, string Data, string Referer)
        {
            return Post(Url, Data, Referer, null);
        }
        public static Dictionary<string, string> Post(string Url, string Data, string Referer, string userToken)
        {
            Dictionary<string, string> ret = new Dictionary<string, string>();
            ret.Add("code", "1");
            try
            {

                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
                request.Method = "POST";
                request.Referer = Referer;
                byte[] bytes = Encoding.UTF8.GetBytes(Data);
                request.ContentType = "application/json; charset=UTF-8";

                if (userToken != null)
                {
                    request.Headers.Add("Authorization", userToken);
                }

                request.ContentLength = bytes.Length;
                Stream myResponseStream = request.GetRequestStream();
                myResponseStream.Write(bytes, 0, bytes.Length);

                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                StreamReader myStreamReader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
                string retString = myStreamReader.ReadToEnd();
                // 添加调试输出
                Console.WriteLine(retString);
                ret.Add("data", retString);
                myStreamReader.Close();
                myResponseStream.Close();

                if (response != null)
                {
                    response.Close();
                }
                if (request != null)
                {
                    request.Abort();
                }
            }
            catch (Exception e)
            {
                ret["code"] = "0";
                ret.Add("message", e.Message);
            }
            return ret;
        }

        /// <summary>
        /// 通过http上传图片及传参数
        /// </summary>
        /// <param name="imgPath">图片地址(绝对路径：D:\demo\img\123.jpg)</param>
        public static Dictionary<string, string> UploadImage(string uploadUrl, string imgPath, string userToken)
        {
            Dictionary<string, string> ret = new Dictionary<string, string>();
            ret.Add("code", "1");
            try
            {
                string resstr = "";
            WebClient webClient = new WebClient();
            if (userToken != null)
            {
                webClient.Headers.Add("Authorization", userToken);
            }
            byte[] res = webClient.UploadFile(uploadUrl, "POST", imgPath);
            if (res != null)
            {
                resstr = System.Text.Encoding.UTF8.GetString(res);
            }

                ret.Add("data", resstr);
        }
            catch (Exception e)
            {
                ret["code"] = "0";
                ret.Add("message", e.Message);
            }
            return ret;

        }
    }
}