package com.ard.tianyu.netty.handler;

import com.ard.tianyu.netty.TyNettyTcpClient;
import com.ard.tianyu.netty.command.BaseCmd;
import com.ard.tianyu.service.ITyService;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.handler.timeout.IdleState;
import io.netty.handler.timeout.IdleStateEvent;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import javax.annotation.Resource;
import java.net.InetSocketAddress;
import java.util.concurrent.TimeUnit;


@Component
@Slf4j
@ChannelHandler.Sharable
public class ClientHandler extends SimpleChannelInboundHandler<BaseCmd> {

    @Resource
    private ITyService tyService;

    @Resource
    private TyNettyTcpClient tyNettyTcpClient;

    @Override
    public void channelRead0(ChannelHandlerContext ctx, BaseCmd command) {
        InetSocketAddress ipSocket = (InetSocketAddress) ctx.channel().remoteAddress();
        String host = ipSocket.getHostString();
        int port = ipSocket.getPort();
        tyService.processMessage(host + ":" + port, command);
    }

    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        //当客户端connect成功后，可以在最后一个handler等待用户输入
        log.info("连接成功建立！");
        tyService.registerMessage();
        super.channelActive(ctx);
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        log.error("发生异常: ", cause); // 使用日志记录异常
        ctx.close();
    }

    @Override
    public void userEventTriggered(ChannelHandlerContext ctx, Object obj) {
        if (obj instanceof IdleStateEvent) {
            IdleStateEvent event = (IdleStateEvent) obj;
            if (event.state() == IdleState.READER_IDLE) {
                log.info("客户端读超时");
            } else if (event.state() == IdleState.WRITER_IDLE) {
              //  log.info("写空闲发送⼼跳!");
               // HeartbeatCommand msg = new HeartbeatCommand(System.currentTimeMillis());
                //ctx.writeAndFlush(msg);
            } else if (event.state() == IdleState.ALL_IDLE) {
                log.info("客户端所有操作超时");
            }
        }
    }

    @Override
    public void channelInactive(ChannelHandlerContext ctx) throws Exception {
        InetSocketAddress ipSocket = (InetSocketAddress) ctx.channel().remoteAddress();
        int port = ipSocket.getPort();
        String host = ipSocket.getHostString();
        log.error("与天宇服务{}:{}连接断开!", host, port);

        ctx.channel().eventLoop().schedule(() -> {
            log.error("天宇服务端链接不上，开始重连操作...");
            try {
                tyNettyTcpClient.initConnection(host, port);
            } catch (Exception e) {
                log.error("天宇服务端连接异常: {}", e.getMessage());
            }
        }, 5, TimeUnit.SECONDS);

        super.channelInactive(ctx);
    }

}