using System;
using DotNetty.Codecs.Http;
using DotNetty.Common.Internal.Logging;
using DotNetty.Handlers.Logging;
using DotNetty.Handlers.Streams;
using DotNetty.Handlers.Timeout;
using DotNetty.Transport.Bootstrapping;
using DotNetty.Transport.Channels;
using DotNetty.Transport.Channels.Sockets;
using log4net;
using Microsoft.Extensions.Logging;
using LogLevel = DotNetty.Handlers.Logging.LogLevel;

namespace BrakeMachine.Brack
{
    public class BrackService: IDisposable
    {
        private static readonly ILog Log = LogManager.GetLogger(typeof(BrackService));

        private static MultithreadEventLoopGroup? bossGroup;
        private static MultithreadEventLoopGroup? workerGroup;
        private static ServerBootstrap? bootstrap;


        public LogLevel? LogLevel { get; set; }


        private void InitBootstrap()
        {
            if (LogLevel != null)
            {
                InternalLoggerFactory.DefaultFactory.AddProvider(new Log4NetProvider());
            }

            bossGroup = new MultithreadEventLoopGroup();
            workerGroup = new MultithreadEventLoopGroup();
            bootstrap = new ServerBootstrap();
            bootstrap
                .Group(bossGroup, workerGroup) // 设置主和工作线程组
                .Channel<TcpServerSocketChannel>() // 设置通道模式为TcpSocket
                .Option(ChannelOption.SoKeepalive, true) //保持连接
                .Handler(new LoggingHandler())
                .ChildHandler(new ActionChannelInitializer<ISocketChannel>(channel =>
                {
                    var pipeline = channel.Pipeline;
                    pipeline.AddLast(new LoggingHandler());
                    //业务handler ，这里是实际处理业务的Handler
                    pipeline.AddLast(new HttpServerCodec());

                    pipeline.AddLast(new HttpHandler());
                }));
        }

        public void Start(int port = 9001)
        {
            if (bossGroup == null)
            {
                InitBootstrap();
            }
            BrackMgr.Connect();
            IChannel channel = bootstrap.BindAsync(port).Result;
            Log.Info($"server listen {port}");
       
        }
        
        public void Dispose()
        {
            bossGroup.ShutdownGracefullyAsync().Wait();
            workerGroup.ShutdownGracefullyAsync().Wait();
        }
    }
}