package com.whyc.webSocket;

import com.whyc.config.WebSocketConfig;
import com.whyc.dto.Response;
import com.whyc.factory.ThreadPoolExecutorFactory;
import com.whyc.pojo.db_user.UserInf;
import com.whyc.service.BattLithiumTestDataInfService;
import com.whyc.service.DevLithiumInfService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpSession;
import javax.websocket.*;
import javax.websocket.server.ServerEndpoint;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

/**
 * 左侧列表
 */
@Component
@ServerEndpoint(value = "/devLithiumStatistic",encoders = WebSocketEncoder.class,configurator = WebSocketConfig.class)
public class DevLithiumStatisticSocket {

    private Session session;

    private Thread thread;

    private static DevLithiumInfService devLithiumInfService;

    private static BattLithiumTestDataInfService battLithiumTestDataInfService;


    private HttpSession httpSession;

    @Autowired
    public void setDevLithiumInfService(DevLithiumInfService devLithiumInfService) {
        DevLithiumStatisticSocket.devLithiumInfService = devLithiumInfService;
    }

    @Autowired
    public void setBattTestDataInfService(BattLithiumTestDataInfService battLithiumTestDataInfService) {
        DevLithiumStatisticSocket.battLithiumTestDataInfService = battLithiumTestDataInfService;
    }


    @OnOpen
    public void onOpen(Session session, EndpointConfig config){
        this.httpSession = (HttpSession) config.getUserProperties().get("httpSession");
        UserInf user = (UserInf) this.httpSession.getAttribute("user");
        final int userId = user.getUid();
        //final int userId = 101;
        Thread thread = new Thread() {
            @Override
            public void run() {
                try {
                    while (!currentThread().isInterrupted()) {
                        Response res = getStatistics(userId);
                        session.getBasicRemote().sendObject(res);
                        sleep(4000);
                    }
                } catch (Exception e) {
                    this.interrupt();
                }
            }
        };
        thread.start();
        this.thread = thread;
    }
    //获取统计信息
    private Response getStatistics(int userId) {
        Map<String,Object> map=new HashMap<>();
        try {
            ThreadPoolExecutor poolExecutor = ThreadPoolExecutorFactory.getPoolExecutor();
            CountDownLatch latch = new CountDownLatch(3);
            //充放电一体机测试统计/锂电均衡仪测试统计
            poolExecutor.execute(() -> {
                Map<String,Object> lithiumTestInfMap = battLithiumTestDataInfService.getDevTinfByYearMonth(userId);
                map.put("lithiumTestInf",lithiumTestInfMap);
                latch.countDown();
            });
            //设备分类总数统计/设备状态统计/地图信息
            poolExecutor.execute(() -> {
                Map<String,Object> devSaticMap=devLithiumInfService.getDevStaticByType(userId);
                map.put("devLithiumStatistics",devSaticMap);
                latch.countDown();
            });
            //近一周电池测试趋势统计(从当前时间开始)
            poolExecutor.execute(() -> {
                Map<String,Object> devTestByWeekMap= battLithiumTestDataInfService.getDevTinfByWeek(userId);
                map.put("devLithiumTestByWeek",devTestByWeekMap);
                latch.countDown();
            });
            latch.await(10, TimeUnit.MINUTES);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return new Response().setII(1,true,map,"");
    }

    @OnClose
    public void onClose(CloseReason closeReason) throws IOException {
        System.err.println("closeReason = " + closeReason);
        if(session.isOpen()){
            session.close();
        }
    }

    @OnError
    public void onError(Throwable error) throws IOException {
        error.printStackTrace();
        thread.isInterrupted();
        if(session.isOpen()){
            session.close();
        }
    }

}