using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System;
using System.Collections.Generic;
using System.IO;
using System.Net.Sockets;
using System.Text;
using System.Xml;
using Microsoft.Extensions.Logging;


namespace Kede.Utils

{
    public class SocketUtil
    {


        public static void socket(string deviceIp, string ncName,ResponseBody response)
        {
            // 机床 IP
            //string deviceIp = "192.168.11.41";
            // 机床端口
            int devicePort = 62937;
            // 通过 SFTP 上传的 NC 名称
            //string ncName = "X1.nc";
            // 通过 SFTP 上传到机床 NC 的地址，注意必须使用"/" 斜杠，不能使用"\", 末尾必须加上"/"
            string ncPath = "D:/NCprog/testNc/";

            StringBuilder xmlBuffer = new StringBuilder();
            xmlBuffer.Append("<select>");
            xmlBuffer.Append("<sub>exe</sub>");
            xmlBuffer.Append("<level>file</level>");
            xmlBuffer.Append("<st>nc1</st>");
            xmlBuffer.Append("<name>").Append(ncName).Append("</name>");
            xmlBuffer.Append("<path>").Append(ncPath).Append("</path>");
            xmlBuffer.Append("<req>yes</req>");
            xmlBuffer.Append("</select>");

            YG.Log.Instance.WriteLogAdd($"选中nc程序请求id{deviceIp}，port{devicePort}，par{xmlBuffer}");
            string xmlResult = SocketUtil.SendSocket(deviceIp, devicePort, xmlBuffer.ToString());
            //<select><sub>exe</sub><level>file</level><name>X2.nc</name></select>
            YG.Log.Instance.WriteLogAdd($"选中nc程序请求返回结果{xmlResult}");

            StringBuilder checkBuffer = new StringBuilder();
            checkBuffer.Append("<ncda><var>prg</var></ncda>");
            string checkResult = SocketUtil.SendSocket(deviceIp, devicePort, checkBuffer.ToString());
            YG.Log.Instance.WriteLogAdd($"检查机床当前使用nc程序{checkResult}");
            //<ncda><prg>D:/NCprog/testNc/X.nc</prg></ncda>
            string xmlFileName = ExtractFileNameFromXml(xmlResult, "name");
            string checkFileName = ExtractFileNameFromXml(checkResult, "prg");
            if (xmlFileName != checkFileName)
            {
                response.msg = $"设置机床主程序nc程序{xmlFileName}失败";
                response.code = 0;
            }

            // 若需要对返回的 XML 结果进行解析
            // List<string> paramList = new List<string> { "AUTO IWO3" };
            // Dictionary<string, object> resultMap = SocketUtil.ResultMap(xmlResult, paramList);
            // log.Info($"请求结果解析{resultMap}");
        }

        public static string SendSocket(string hostName, int portNumber, string xmlBuilder)
        {
            string responseLine = null;
            try
            {
                using (TcpClient client = new TcpClient(hostName, portNumber))
                using (NetworkStream stream = client.GetStream())
                using (StreamWriter writer = new StreamWriter(stream, Encoding.ASCII) { AutoFlush = true })
                using (StreamReader reader = new StreamReader(stream, Encoding.ASCII))
                {
                    // 发送 XML 到服务器
                    writer.WriteLine(xmlBuilder);
                    writer.WriteLine(); // 空行表示 XML 的结束

                    // 接收服务器的响应
                    responseLine = reader.ReadLine();
                    YG.Log.Instance.WriteLogAdd("sendSocket - 服务器的回应XML：：\n" + responseLine);
                }
            }
            catch (SocketException e)
            {
                YG.Log.Instance.WriteLogAdd("sendSocket - 无法连接到主机：" + hostName + " 错误原因：" + e.Message);
                Environment.Exit(1);
            }
            catch (IOException e)
            {
                YG.Log.Instance.WriteLogAdd("I/O 错误 " + hostName + " 错误原因：" + e.Message);
            }
            return responseLine;
        }

        public static Dictionary<string, object> ResultMap(string xmlString, List<string> paramList)
        {
            Dictionary<string, object> dataMap = new Dictionary<string, object>();
            try
            {
                // 加载 XML 字符串
                XmlDocument doc = new XmlDocument();
                doc.LoadXml(xmlString);

                // 获取根元素
                XmlElement rootElement = doc.DocumentElement;

                foreach (string param in paramList)
                {
                    // 获取元素
                    XmlNode valueElement = rootElement.GetElementsByTagName(param).Item(0);
                    if (valueElement != null)
                    {
                        // 提取值
                        string title = valueElement.InnerText;
                        // 输出结果
                        dataMap[param] = title;
                    }
                }
            }
            catch (Exception e)
            {
                YG.Log.Instance.WriteLogAdd("XML 解析错误：" + e.Message);
            }
            return dataMap;
        }

        private static string ExtractFileNameFromXml(string xml, string tagName)
        {
            XmlDocument doc = new XmlDocument();
            doc.LoadXml(xml);
            XmlNode node = doc.GetElementsByTagName(tagName).Item(0);

            if (node != null)
            {
                if (tagName == "prg")
                {
                    // 从完整路径中提取文件名
                    return System.IO.Path.GetFileName(node.InnerText);
                }
                else
                {
                    return node.InnerText;
                }
            }
            return null;
        }
    }
}