using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;

namespace WebApplication.Controllers
{
    public class WebApi
    {
        /// <summary>
        /// Get方式提交数据
        /// </summary>
        /// <param name="methodname"></param>
        /// <returns></returns>
        public object retObject(string methodname)
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(methodname);
            request.Method = "GET";
            request.ContentType = "text/html;charset=UTF-8";
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            Stream myResponseStream = response.GetResponseStream();
            StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.UTF8);
            string retString = myStreamReader.ReadToEnd();

            var retObject = (JObject)JsonConvert.DeserializeObject(retString);
            return retObject;
        }


        /// <summary>
        /// Post方式提交数据
        /// </summary>
        /// <param name="url"></param>
        /// <param name="body"></param>
        /// <returns></returns>
        public string HttpPost(string url, string body, string accessToken)
        {
            Encoding encoding = Encoding.UTF8;
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "POST";
            //request.Accept = "text/html, application/xhtml+xml, */*";
            request.ContentType = "application/json; charset=utf-8";
            byte[] buffer = encoding.GetBytes(body);
            request.ContentLength = buffer.Length;
            request.GetRequestStream().Write(buffer, 0, buffer.Length);
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
            {
                return reader.ReadToEnd();
            }
        }

        /// <summary>
        /// http Post请求 发送Json数据
        /// </summary>
        /// <param name="url"></param>
        /// <param name="postData"></param>
        /// <param name="headht"></param>
        /// <returns></returns>
        public string PostJson(string url, string postData, Hashtable headht = null)
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "POST";
            request.ContentType = "application/json;charset=UTF-8";
            request.UserAgent = "www.qq.cc/WebRequest";
            request.Accept = "application/json";

            #region headers设置
            if (headht != null)
            {
                foreach (DictionaryEntry item in headht)
                {
                    request.Headers.Add(item.Key.ToString(), item.Value.ToString());
                }
            }
            #endregion

            byte[] paramJsonBytes;
            paramJsonBytes = System.Text.Encoding.UTF8.GetBytes(postData);
            request.ContentLength = paramJsonBytes.Length;
            Stream writer;
            try
            {
                writer = request.GetRequestStream();
            }
            catch (Exception e)
            {
                writer = null;
                Console.Write("连接服务器失败!");
            }
            writer.Write(paramJsonBytes, 0, paramJsonBytes.Length);
            writer.Close();
            HttpWebResponse response;
            try
            {
                response = (HttpWebResponse)request.GetResponse();
            }
            catch (WebException ex)
            {
                response = ex.Response as HttpWebResponse;
            }
            Stream resStream = response.GetResponseStream();
            StreamReader reader = new StreamReader(resStream);
            string text = reader.ReadToEnd();
            return text;
        }

        /// <summary>
        /// Get 方法
        /// </summary>
        /// <param name="url"></param>
        /// <param name="accessToken">Headers 中的秘钥</param>
        /// <returns></returns>
        public string HttpGet(string url ,string accessToken)
        {
            string result = string.Empty;
            HttpWebRequest reqS = (HttpWebRequest)WebRequest.Create(url);
            reqS.Method = "GET";

            //添加请求头
            reqS.Headers.Add("x-acs-dingtalk-access-token",accessToken);
            reqS.ContentType = "application/json; charset=utf-8";

            HttpWebResponse resS = (HttpWebResponse)reqS.GetResponse();
            Stream myResponseStream = resS.GetResponseStream();
            StreamReader streamReader = new StreamReader(myResponseStream);
            result = streamReader.ReadToEnd();
            streamReader.Close();
            myResponseStream.Close();

            // 解析返回的json数据（使用 jobject）
            JObject theResult = (JObject)JsonConvert.DeserializeObject(result);

            return theResult.ToString();
        }


        /// <summary>
        /// Json解析
        /// </summary>
        /// <param name="result"></param>
        /// <returns></returns>
        public string[] jsons(string result)
        {
            JObject jo = JObject.Parse(result);
            string[] values1 = jo.Properties().Select(item => item.Value.ToString()).ToArray();
            return values1;
        }
    }
}