using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Web;
using Newtonsoft.Json.Linq;
using FileInfoClass;
using Ini;
using System.Threading.Tasks;

namespace HttpServices
{
    public class RestClient
    {
        FileClass fileclass = new FileClass();
        private string logPath = "";
        public async Task<string> HISHTTPServices(string data, string ip = "", string url = "", string authorization = "")
        {
            IniFile ini = new IniFile();
            string hisip = ip;
            string hisurl = url;

            string hisauthorization = authorization;
            if (ip == "")
            {
                hisip = ini.IniReadValue("HIS", "ip");
            }
            if (url == "")
            {
                hisurl = ini.IniReadValue("HIS", "url");
            }
            if (authorization == "")
            {
                hisauthorization = ini.IniReadValue("HIS", "authorization");
            }
            if (hisip.IndexOf(hisurl) > -1) {
                hisurl = "";
            }
            logPath = ini.IniReadValue("LOG", "path");
            string DateTimeinfo = DateTime.Now.TimeOfDay.ToString();
            fileclass.WriteLogFile(logPath, DateTimeinfo + "-->" + hisip+"/"+ hisurl);
            fileclass.WriteLogFile(logPath, " 入参: " + data);
            //RestClient client = new RestClient();
            string result = await Post(data, hisip, hisurl, hisauthorization);
            fileclass.WriteLogFile(logPath, DateTimeinfo + " 返参: " + result);
            return result;
        }
        
        
        #region Get请求
        public string Get(string hisip, string uri)
        {
            //先根据用户请求的uri构造请求地址
            string serviceUrl = string.Format("{0}/{1}", hisip, uri);
            //创建Web访问对  象
            HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(serviceUrl);
            //通过Web访问对象获取响应内容
            HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
            //通过响应内容流创建StreamReader对象，因为StreamReader更高级更快
            StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
            //string returnXml = HttpUtility.UrlDecode(reader.ReadToEnd());//如果有编码问题就用这个方法
            string returnXml = reader.ReadToEnd();//利用StreamReader就可以从响应内容从头读到尾
            reader.Close();
            myResponse.Close();
            return returnXml;
        }
        #endregion

        #region Post请求
        public async Task<string> Post(string data, string hisip, string hisurl, string hisauthorization)
        {
            return await Task.Run(() =>
            {
                string errorCode = "-1";
                string errorMessage = "";
                try
                {
                    //先根据用户请求的uri构造请求地址
                    string serviceUrl = string.Format("{0}/{1}", hisip, hisurl);
                    ServicePointManager.ServerCertificateValidationCallback = delegate { return true; };
                    ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;
                    //创建Web访问对象
                    HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(serviceUrl);
                    
                    //把用户传过来的数据转成“UTF-8”的字节流
                    byte[] buf = System.Text.Encoding.GetEncoding("UTF-8").GetBytes(data);

                    myRequest.Method = "POST";
                    myRequest.ContentLength = buf.Length;
                    myRequest.ContentType = "application/json";
                    if (hisauthorization != null)
                    {
                        myRequest.Headers.Add("Authorization", hisauthorization);
                    }
                    //myRequest.Headers.Add("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9");
                    //myRequest.Headers.Add("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36");

                    //myRequest.Headers.Add("Authorization", hisauthorization);
                    myRequest.MaximumAutomaticRedirections = 1;
                    myRequest.AllowAutoRedirect = true;
                    //发送请求
                    Stream stream = myRequest.GetRequestStream();
                    stream.Write(buf, 0, buf.Length);
                    stream.Close();

                    //获取接口返回值
                    //通过Web访问对象获取响应内容
                    HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
                    //通过响应内容流创建StreamReader对象，因为StreamReader更高级更快
                    StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
                    //string returnXml = HttpUtility.UrlDecode(reader.ReadToEnd());//如果有编码问题就用这个方法
                    string returnXml = reader.ReadToEnd();//利用StreamReader就可以从响应内容从头读到尾
                    reader.Close();
                    myResponse.Close();
                    return returnXml;
                }
                catch (Exception ex2)
                {
                    errorCode = "-1";
                    errorMessage = ex2.Message;
                }
                
                JObject returnjObject = new JObject();
                returnjObject.Add("errorCode", errorCode);
                returnjObject.Add("errorMessage", errorMessage);
                return returnjObject.ToString();
            });

        }
        #endregion
    }
}