using System;
using System.Collections.Generic;
using System.Net;
using System.IO;
using System.Text;
using System.Configuration;
using Newtonsoft.Json;
using System.Threading.Tasks;
using System.Linq;
using System.Net.NetworkInformation;
using System.Collections.Specialized;
using System.Reflection;

namespace HxBusiness
{
    public class ConnectedManager
    {
        public bool isOpen(string url)
        {
            if (string.IsNullOrEmpty(url))
            {
                return false;
            }
            Ping p = new Ping();
            Uri uri = new Uri(url);
            if (p.Send(uri.Host, 150).Status == IPStatus.Success)
            {
                return true;
            }
            return false;
        }
        /// <summary>
        /// 获取配置信息
        /// </summary>
        /// <returns></returns>
        public string GetUrl(string url)
        {
            try
            {
                if (string.IsNullOrEmpty(url))
                {
                    return "-1";
                }
                HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
                request.Method = "GET";
                request.ContentType = "application/json";
                HttpWebResponse Response2 = request.GetResponse() as HttpWebResponse;
                StreamReader reader = new StreamReader(Response2.GetResponseStream(), Encoding.UTF8);
                string jsontmp = reader.ReadToEnd();
                reader.Close();
                Response2.Close();
                return jsontmp;
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
                return "-2";
            }
        }
        public string PostForUrl(string url, string postdb)
        {
            try
            {
                if (string.IsNullOrEmpty(url))
                {
                    return "-1";
                }
                byte[] byteArray = Encoding.UTF8.GetBytes(postdb);
                HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
                //设置请求头
                SetHeaderValue(request.Headers, "owl-ois-adapter-tag", "HUAXIAO");
                request.Method = "POST";
                request.ContentType = "application/json";
                request.ContentLength = byteArray.Length;
                Stream newStream = request.GetRequestStream();//创建一个Stream,赋值是写入HttpWebRequest对象提供的一个stream里面
                newStream.Write(byteArray, 0, byteArray.Length);
                newStream.Close();
                HttpWebResponse Response2 = request.GetResponse() as HttpWebResponse;
                StreamReader reader = new StreamReader(Response2.GetResponseStream(), Encoding.UTF8);
                string jsontmp = reader.ReadToEnd();
                reader.Close();
                Response2.Close();
                return jsontmp;
            }
            catch (Exception ex)
            {
                Console.WriteLine("服务错误：" + ex.ToString() + "提示：" + ex.StackTrace);
                return "-2";
            }
        }

        public static void SetHeaderValue(WebHeaderCollection header, string name, string value)
        {
            var property = typeof(WebHeaderCollection).GetProperty("InnerCollection", BindingFlags.Instance | BindingFlags.NonPublic);
            if (property != null)
            {
                var collection = property.GetValue(header, null) as NameValueCollection;
                collection[name] = value;
            }
        }
    }
}