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

namespace IStation.Untity 
{
    /// <summary>
    /// HTTP请求辅助类
    /// </summary>
    public class HttpRequestHelper
    {
        /// <summary>
        /// 获取
        /// </summary>
        public static string Get(string url, Version version = null)
        {
            return Request(url, HttpMethod.Get, null, version);
        }

        /// <summary>
        /// 提交
        /// </summary>
        public static string Post(string url, string data = null, Version version = null)
        {
            return Request(url, HttpMethod.Post, data, version);
        }

        /// <summary>
        /// 更新
        /// </summary>
        public static string Put(string url, string data = null, Version version = null)
        {
            return Request(url, HttpMethod.Put, data, version);
        }

        /// <summary>
        /// 删除
        /// </summary>
        public static string Delete(string url, string data = null, Version version = null)
        {
            return Request(url, HttpMethod.Delete, data, version);
        }

        //请求
        private static string Request(string url, HttpMethod method, string data = null, Version version= null)
        {
            using (var httpClient = new HttpClient())
            using (var request=new HttpRequestMessage(method,url))
            {
                if (version != null)
                { 
                    request.Version = version;
                }
                request.Headers.Add("KeepAlive","false");
                if(!string.IsNullOrEmpty(data))
                {
                    request.Content = new StringContent(data,Encoding.UTF8,"application/json");    
                }
                var response=httpClient.SendAsync(request).Result;
                response.EnsureSuccessStatusCode();
                var responsetext=response.Content.ReadAsStringAsync().Result;
                return responsetext;
            }
        }


    }
}