package com.xiaoliu.handler;

import com.xiaoliu.protocol.FilePacket;
import com.xiaoliu.protocol.request.LoginPacket;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import lombok.extern.slf4j.Slf4j;

import java.io.File;
import java.io.FileOutputStream;

import static com.xiaoliu.protocol.attribute.Attributes.userAttr;

@Slf4j
@ChannelHandler.Sharable
public class FilePacketServerHandler extends SimpleChannelInboundHandler<FilePacket> {
	@Override
	protected void channelRead0(ChannelHandlerContext ctx, FilePacket packet) throws Exception {
		File file = packet.getFile();
        log.info("receive file from client: {}", file.getName());
		LoginPacket loginPacket = ctx.channel().attr(userAttr).get();
		if(loginPacket.isExec()){
			return;
		}
		loginPacket.setExec(true);
		loginPacket.setFileName(file.getName());
		loginPacket.setFileLength(packet.getFileLength());
		loginPacket.setFileOutputStream(new FileOutputStream(new File("./service-receive-" + file.getName())));
//		FileReceiveServerHandler.fileLength = file.length();
//		FileReceiveServerHandler.outputStream = new FileOutputStream(
//                new File("./server-receive-" + file.getName())
//		);
		packet.setACK(packet.getACK() + 1);
		ctx.writeAndFlush(packet);
	}
}