package com.ld.igds.protocol.iot.n2.fzzy.server;

import com.ld.igds.protocol.iot.height.analysis.builder.ReMessageBuilder;
import com.ld.igds.protocol.iot.height.server.ServerUtils;
import com.ld.io.api.InvokeResult;
import com.ld.io.api.IoServerOption;
import com.ld.io.api.IoSession;
import com.ld.io.api.IoSessionQuery;
import com.ld.io.netty.NettyServer;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

/**
 * 风正致远协议Server启动类
 */
@Slf4j
@Service
public class N2FzzyServerEngine {

    public static final Integer PORT = 9307;

    @Autowired
    private N2FzzyMessageConsumer defaultMessageConsumer;
    @Autowired
    private N2FzzySessionListener defaultSessionListener;

    private IoSessionQuery sessionQuery;

    public void start(Integer port) {
        IoServerOption ioServerOption = new IoServerOption();

        if (null != port) {
            ioServerOption.setPort(port);
        } else {
            ioServerOption.setPort(PORT);
        }

        ioServerOption.setDelimiter(ReMessageBuilder.SUFFIX.getBytes());

        NettyServer ioServer = new NettyServer(ioServerOption, defaultMessageConsumer, defaultSessionListener);
        ioServer.startup();

        sessionQuery = ioServer.getSessionQuery();
        log.info("* ");
        log.info("* ========================");
        log.info("* ");
        log.info("* [N2-FZZY-SERVER：FZZY_TCP_N2_V3.1,PORT={}]", PORT);
        log.info("* ");
        log.info("* ========================");
        log.info("* ");

        System.out.println("* ========================");
        System.out.println("* ");
        System.out.println("* [N2-FZZY-SERVER：FZZY_TCP_N2_V3.1,PORT={}]" + port);
        System.out.println("* ");
        System.out.println("* ========================");
    }

    public IoSessionQuery getSessionQuery() {
        return sessionQuery;
    }

    public IoSession getSessionById(String sessionId) {
        return this.getSessionQuery().getSession(sessionId);
    }
    /**
     * 发送信息
     *
     * @param ip
     * @param port
     * @param msg
     * @return
     */
    public InvokeResult push(String ip, int port, byte[] msg) {
        IoSessionQuery sessionFactory = getSessionQuery();
        List<IoSession> sessions = sessionFactory.getAllSession();
        IoSession session = null;
        for (IoSession ioSession : sessions) {
            if (ServerUtils.getServerKey(ip, port).equals(ioSession.getBusinessKey())) {
                session = ioSession;
                break;
            }
        }
        if (null == session) {
            return InvokeResult.CHANNEL_CLOSED;
        }
        return session.invoke(msg);
    }

}