using CnasSynchronousCommon;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Web.Script.Serialization;

namespace CnasSynchronusClient
{
    /// <summary>
    /// 发送到API的相关操作类
    /// </summary>
    public class SendDataOperation
    {
        public string Url { get; set; }

        public string Route { get; set; }

        public string SendMethod { get; set; }

        public string RequestData { get; set; }

        public object SendContent{ get; set; }

        public bool IfSuccess { get; set; }

        public string ErrorMessage { get; set; }

        public void SendData()
        {
            try
            {
                string jsonData = new JavaScriptSerializer().Serialize(SendContent);
                byte[] byteArray = Encoding.UTF8.GetBytes(jsonData);

                //3.创建请求对象，并设置相关的属性；
                WebRequest webRequest = WebRequest.Create(Url + Route);
                webRequest.Method = SendMethod;
                webRequest.ContentType = "application/json";
                webRequest.ContentLength = byteArray.Length;

                //4.获取字节流对象，并向流中写入数据（请求对象和流对象关联）
                Stream byteStream = webRequest.GetRequestStream();
                byteStream.Write(byteArray, 0, byteArray.Length);
                byteStream.Close();

                //5.创建响应对象
                WebResponse webResponse = webRequest.GetResponse();

                //6.响应对应转换成http请求响应
                var httpWebResponse = (HttpWebResponse)webResponse;

                //7.如果请求成功，则读取所有数据
                if (httpWebResponse.StatusCode == HttpStatusCode.OK)
                {
                    //7.1 获取返回的数据流
                    byteStream = webResponse.GetResponseStream();

                    //7.2 根据返回的数据流创建读取器
                    StreamReader reader = new StreamReader(byteStream, Encoding.UTF8);

                    //7.3 读取所有数据
                    RequestData = reader.ReadToEnd();

                    IfSuccess = true;
                }
                else
                {
                    IfSuccess = false;
                    ErrorMessage = "未能成功发送请求";
                }
            }
            catch (Exception ex)
            {
                IfSuccess = false;
                ErrorMessage = ex.Message;
            }
        }
    }
}