using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Security;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Threading.Tasks;

namespace NX_CommonClassLibrary
{
    public static class HttpRequestHelper
    {
        /// <summary>
        /// 票据
        /// </summary>
        public static string _Ticket { get; set; }
        private static bool RemoteCertificateValidate(object sender, X509Certificate cert, X509Chain chain, SslPolicyErrors error)
        {
            return true;
        }
        public static string POST(string url, string pramstr)
        {
            HttpWebRequest request = null;
            if (url.Contains("https://"))
            {
                ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(RemoteCertificateValidate);
                request = (HttpWebRequest)WebRequest.CreateDefault(new Uri(url));
            }
            else
            {
                request = (HttpWebRequest)WebRequest.Create(url);
            }
            request.Method = "POST"; 
            request.ContentType = "application/json; charset=utf-8";
            if (!string.IsNullOrWhiteSpace(_Ticket))
            {
                request.Headers.Add("Authorization", "Bearer " + _Ticket);
            }
            var jsonbyte = Encoding.UTF8.GetBytes(pramstr);
            using (var postStream = request.GetRequestStream())
            {
                postStream.Write(jsonbyte, 0, jsonbyte.Length);
            }
            HttpWebResponse res;
            StreamReader sr;
            string content;
            try
            {
                res = (HttpWebResponse)request.GetResponse();
                sr = new StreamReader(res.GetResponseStream(), Encoding.UTF8);
                content = sr.ReadToEnd();
            }
            catch (WebException ex)
            {
                content = ex.Message;
            }
            return content;
        }
    }
}