package com.ld.igds.protocol.snap.server;

import com.ld.igds.protocol.snap.SnapUtils;
import com.ld.io.api.*;
import com.ld.io.netty.NettyServer;
import lombok.extern.slf4j.Slf4j;

import java.util.List;

/**
 * 配置主服务信息
 */
@Slf4j
public class SnapServerEngine {

    public static final int port = 9301;

    public static NettyServer ioServer = null;
    // 配置消息接收类
    private static MsgConsumer messageConsume = new MsgConsumer();
    // 监听会话的创建与销毁
    private static SessionListener ioSessionListener = new SessionListener();

    // 心跳提供
    private static HeartbeatProvider heartbeatProvider = new HeartbeatProviderImpl();

    public static void start() throws InterruptedException {
        // 配置Server的配置
        IoServerOption ioServerOption = new IoServerOption(port);

        ioServerOption.setSplitDecoderType(SplitByteDecoderType.DELIMITER_SYMBOL);

        ioServerOption.setDelimiter(SnapUtils.MSG_END.getBytes());

        // 配置心跳执行时间
        ioServerOption.setReaderIdleTime(SnapUtils.HEART_BEAT_TIME);

        ioServer = new NettyServer(ioServerOption, messageConsume, ioSessionListener,heartbeatProvider);

        ioServer.startup();

        log.info("* ");
        log.info("* ========================");
        log.info("* ");
        log.info("* 远程抓拍插件服务启动，端口号={}", SnapServerEngine.port);
        log.info("* ");
        log.info("* ========================");
        log.info("* ");

        System.out.println("* ");
        System.out.println("* ========================");
        System.out.println("* ");
        System.out.println("* 远程抓拍插件服务启动，端口号=" + SnapServerEngine.port);
        System.out.println("* ");
        System.out.println("* ========================");
        System.out.println("* ");
    }


    /**
     * @param key
     * @param msg
     * @return
     */
    public static InvokeResult push(String key, byte[] msg) {
        IoSessionQuery sessionFactory = ioServer.getSessionQuery();
        List<IoSession> sessions = sessionFactory.getAllSession();
        IoSession session = null;
        for (IoSession ioSession : sessions) {
            if (key.equals(ioSession.getBusinessKey())) {
                session = ioSession;
                break;
            }
        }
        if (null == session) {
            return InvokeResult.CHANNEL_CLOSED;
        }
        return session.invoke(msg);
    }

    /**
     * @param ip
     * @param port
     * @param sn
     */
    public static void updateKey(String ip, int port, String sn) {
        IoSessionQuery sessionFactory = ioServer.getSessionQuery();
        List<IoSession> sessions = sessionFactory.getAllSession();

        for (IoSession ioSession : sessions) {
            if (ioSession.getAddress().equals(ip) && ioSession.getPort() == port) {
                ioSession.setBusinessKey(sn);
                break;
            }
        }
    }

}