package com.tongran.agentserver.scheduler;

import com.alibaba.fastjson2.JSON;
import com.tongran.agentserver.server.collect.memory.MemoryService;
import com.tongran.agentserver.server.collect.vo.MemoryVO;
import com.tongran.agentserver.server.netty.NettyTcpClient;
import com.tongran.agentserver.server.netty.model.Message;
import com.tongran.agentserver.utils.AgentUtil;
import com.tongran.agentserver.utils.AssertLog;
import org.springframework.scheduling.TaskScheduler;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import java.time.LocalDateTime;
import java.util.concurrent.ScheduledFuture;

@Component
@EnableScheduling
public class MemoryScheduler {
    
    @Resource
    private TaskScheduler taskScheduler;

    private ScheduledFuture<?> scheduledTask;

    @Resource
    private NettyTcpClient nettyTcpClient;

    @Resource
    private MemoryService memoryService;

    @PostConstruct
    public void init() {
        // 等待47秒
        try {
            Thread.sleep(47000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        startTask(300000); // 默认300秒间隔启动
    }

    public void startTask(long intervalMillis) {
        if (scheduledTask != null) {
            scheduledTask.cancel(false);
        }

        Runnable task = () -> {
            AssertLog.info("内存信息包准备={}", LocalDateTime.now());
            // 业务逻辑
            if (nettyTcpClient.isConnected()) {
                // 发送内存信息包
                MemoryVO memoryVO = memoryService.query();
                String data = JSON.toJSONString(memoryVO);
                String clientId = AgentUtil.getMotherboardUUID();
                Message message = Message.builder().clientId(clientId).dataType("MEMORY").data(data).build();
                // 将对象转为 JSON 字符串
                String json = "agent-tcp:"+JSON.toJSONString(message)+"@tong-ran";
                AssertLog.info("发送内存信息包={}",json);
                nettyTcpClient.sendMessage(json);
            }
        };

        scheduledTask = taskScheduler.scheduleAtFixedRate(task, intervalMillis);
    }

    public void updateInterval(long newIntervalMillis) {
        startTask(newIntervalMillis);
    }

    public void stopTask() {
        if (scheduledTask != null) {
            scheduledTask.cancel(false);
            scheduledTask = null;
        }
    }
}