package org.springblade.modules.nettyServer;

import com.alibaba.fastjson.JSONObject;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.util.CharsetUtil;
import org.springblade.modules.webscoket.service.IPushMsgService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;

@Component
public class ServerHandler extends ChannelInboundHandlerAdapter {

	private String reg_LA = "LA[d]{8}[d|A-F]{12}[d|A-F]{8}[d|A-Z]{2}[d|A-F]{4}[x2A][d|A-F]{6}[#@]";
	private String reg_LB = "LB[\\d|A-F]{12}[\\x2A].*[#@]";
	private String reg_LB2 = "LB[\\d|A-F]{6}[\\x2A].*[#@]";
	private String reg_LD = "LD[d]{8}[d|A-F]{12}:[A-Z]{4}[\\x2A].*[#@]";


	private ConcurrentHashMap<String, Channel> sessionChannelMap = new ConcurrentHashMap<String, Channel>();

	private static ServerHandler serverHandler;

	@PostConstruct
	public void init() {
		serverHandler = this;
	}

	/**
	 * 客户端与服务端创建连接的时候调用
	 */
	@Override
	public void channelActive(ChannelHandlerContext ctx) throws Exception {
		System.out.println("CTX:" + ctx.channel());
		System.out.println("客户端与服务端连接开始...");
	}

	/**
	 * 客户端与服务端断开连接时调用
	 */
	@Override
	public void channelInactive(ChannelHandlerContext ctx) throws Exception {
		System.out.println("客户端与服务端连接关闭...");
		NettyConfig.group.remove(ctx.channel());
	}

	/**
	 * 服务端接收客户端发送过来的数据结束之后调用
	 */
	@Override
	public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
		ctx.flush();
		System.out.println("信息接收完毕...");
	}

	/**
	 * 工程出现异常的时候调用
	 */
	@Override
	public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
		cause.printStackTrace();
		ctx.close();
	}

	/**
	 * 服务端处理客户端websocket请求的核心方法，这里接收了客户端发来的信息
	 */
	@Override
	public void channelRead(ChannelHandlerContext channelHandlerContext, Object info) throws Exception {
		System.out.println("接收到了：" + info);
		ByteBuf buf = (ByteBuf) info;
		byte[] req = new byte[buf.readableBytes()];
		buf.readBytes(req);
		String body = new String(req, "UTF-8");
		String content = body;
		System.out.println("接收客户端数据:" + body);

	}


}