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

namespace ICSSoft.FromERP
{
    public class HttpHelper
    {
        #region Get请求
        ///// <summary>
        ///// 发送http Get请求
        ///// </summary>
        ///// <param name="url"></param>
        ///// <returns></returns>
        //public static string GetRequest(string url)
        //{
        //    HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
        //    request.Method = "GET";
        //    request.ContentType = "application/x-www-form-urlencoded";//链接类型
        //    string result = GetResponseString(request.GetResponse() as HttpWebResponse);
        //    return result;
        //}
        /// <summary>
        /// 从HttpWebResponse对象中提取响应的数据转换为字符串
        /// </summary>
        /// <param name="webresponse"></param>
        /// <returns></returns>
        public static string GetResponseString(HttpWebResponse webresponse)
        {
            using (Stream s = webresponse.GetResponseStream())
            {
                StreamReader reader = new StreamReader(s, Encoding.UTF8);
                return reader.ReadToEnd();
            }
        }
        #endregion


        public static bool PingTest(string ip)
        {
            System.Net.NetworkInformation.Ping ping = new System.Net.NetworkInformation.Ping();

            System.Net.NetworkInformation.PingReply pingStatus =
                ping.Send(IPAddress.Parse(ip), 1000);

            if (pingStatus.Status == System.Net.NetworkInformation.IPStatus.Success)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        public static bool WebRequestTest(string url)
        {
            try
            {
                System.Net.WebRequest myRequest = System.Net.WebRequest.Create(url);
                System.Net.WebResponse myResponse = myRequest.GetResponse();
            }
            catch (System.Net.WebException)
            {
                return false;
            }
            return true;
        }

        /// <summary>
        /// POST请求
        /// </summary>
        /// <param name="url">地址</param>
        /// <param name="requestJson">请求json</param>
        /// <param name="token">token</param>
        /// <returns></returns>
        public static async Task<T> HttpClientPost<T>(string url, string requestJson, string contentType = "application/json", string token = "") where T : new()
        {

            string result = string.Empty;
            Uri postUrl = new Uri(url);
            using (HttpContent httpContent = new StringContent(requestJson, System.Text.Encoding.UTF8, contentType))
            {
                //使用注入的httpclientfactory获取client
                using (var httpClient = new HttpClient())
                {
                    //设置请求头 
                    //设置超时时间
                    if (!string.IsNullOrEmpty(token))
                        httpClient.DefaultRequestHeaders.Add("Authorization", "Bearer " + token);
                    httpClient.Timeout = new TimeSpan(0, 0, 60);
                    var response = httpClient.PostAsync(url, httpContent).Result;

                    result = response.Content.ReadAsStringAsync().Result;
                    return JsonConvert.DeserializeObject<T>(result);
                }
            }

        }

        public static async Task<T> HttpClientGet<T>(string url) where T : new()
        {
            using (HttpClient httpClient = new HttpClient())
            {
                HttpResponseMessage res = httpClient.GetAsync(url).Result;
                var t = res.Content.ReadAsStringAsync().Result;
                return JsonConvert.DeserializeObject<T>(t);

            };

        }
    }
}