using DotNetty.Transport.Channels;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Channels;
using System.Threading.Tasks;

namespace HybirdFrameworkServices
{
    public class ClientConnectionMonitorHandler : ChannelDuplexHandler
    {
        //ChannelInboundHandlerAdapter
        /// <summary>
        /// 监控连接
        /// </summary>
        /// <param name="ctx"></param>
        public override void HandlerAdded(IChannelHandlerContext ctx)
        {
            Console.WriteLine("Client connected: " + ctx.Channel.RemoteAddress);

            string input = ctx.Channel.RemoteAddress.ToString();

            // 正则表达式匹配IPv4地址和端口号  
            string pattern = @"\[(::ffff:)?(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\]:(\d+)";
            Match match = Regex.Match(input, pattern);

            // 获取IP地址（不包括IPv6前缀）  
            string ipAddress = match.Groups[2].Value;
            switch (ipAddress)
            {
                case "127.0.0.1":
                    CmnChargingsEqmInfo._ID = ctx.Channel.Id;
                    CmnChargingsEqmInfo._CHR0IPADDR = ipAddress;
                    CmnChargingsEqmInfo._CHR0PORT = Convert.ToInt32(match.Groups[3].Value);
                    CmnChargingsEqmInfo._CHR01.ChargerNetHeartBeatThread();
                    break;
                case "127.0.0.2":
                    break;
                case "127.0.0.3":
                    break;
                case "127.0.0.4":
                    break;
                case "127.0.0.5":
                    break;
                case "127.0.0.6":
                    break;
                case "127.0.0.7":
                    break;
                case "127.0.0.8":
                    break;
            }
        }
        /// <summary>
        /// 监控断开
        /// </summary>
        /// <param name="ctx"></param>
        public override void HandlerRemoved(IChannelHandlerContext ctx)
        {
            Console.WriteLine("Client disconnected: " + ctx.Channel.RemoteAddress);
            string input = ctx.Channel.RemoteAddress.ToString();

            // 正则表达式匹配IPv4地址和端口号  
            string pattern = @"\[(::ffff:)?(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\]:(\d+)";
            Match match = Regex.Match(input, pattern);

            // 获取IP地址（不包括IPv6前缀）  
            string ipAddress = match.Groups[2].Value;
            switch (ipAddress)
            {
                case "127.0.0.1":
                    CmnChargingsEqmInfo._CHR01 = null;
                    break;
                case "127.0.0.2":
                    break;
                case "127.0.0.3":
                    break;
                case "127.0.0.4":
                    break;
                case "127.0.0.5":
                    break;
                case "127.0.0.6":
                    break;
                case "127.0.0.7":
                    break;
                case "127.0.0.8":
                    break;
            }
        }

        public override void ExceptionCaught(IChannelHandlerContext ctx, Exception exception)
        {
            Console.WriteLine("Exception in ClientConnectionMonitorHandler: " + exception.Message);
        }
    }
}