package com.evp.comm.server.process.dbms;

import com.evp.app.common.utils.Elapsed;
import com.evp.comm.server.common.SpringUtils;
import com.evp.comm.server.config.ThreadPoolInitializer;
import com.evp.comm.server.dao.mapper.EvpsServiceMapper;
import com.evp.comm.server.dao.mapper.ProcessMapper;
import com.evp.comm.server.dao.mapper.batch.EvpCommServerDao;
import com.evp.comm.server.dto.EvpsCenter;
import com.evp.comm.server.entity.TbEvpEvent;
import com.evp.comm.server.entity.TbEvpService;
import com.evp.comm.server.entity.TbRegionCenterComm;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.slf4j.MDC;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.List;
import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;

@Slf4j
@RequiredArgsConstructor
@Service
public class DbmsDataProcess {

    private final LinkedBlockingQueue<DbmsData> dbmsDataBlockingQueue = new LinkedBlockingQueue<>(1000);
    private final ThreadPoolExecutor taskExecutor = (ThreadPoolExecutor) Executors.newFixedThreadPool(1);

    private final DbmsDataAsyncTask asyncTask;
    private final ProcessMapper processMapper;
    private final EvpsServiceMapper serviceMapper;
    private final EvpCommServerDao evpCommServerDao;

    private int maxCore = Runtime.getRuntime().availableProcessors();

    public void run() {
        log.info("DbmsDataProcess.run: Start.");
        if (this.maxCore < 8) {
            this.maxCore = 8;
        }
        ThreadPoolInitializer poolInitializer = SpringUtils.getBean(ThreadPoolInitializer.class);
        int executePool = poolInitializer.getDbms();
        for (int ii = 0; ii < executePool; ii++) {
            log.info("DbmsDataProcess.Task: {}", ii);
            this.taskExecutor.execute(() -> {
                boolean isRunning = true;
                while (isRunning) {
                    try {
                        DbmsData data = dbmsDataBlockingQueue.take();
                        this.asyncTask.run(this, data);
                    }
                    catch (Exception e) {
                        log.error("DbmsDataProcess.Task: Exception: {}", e.getMessage(), e);
                        Thread.currentThread().interrupt();
                        isRunning = false;
                    }
                }
            });
        }
        log.info("DbmsDataProcess.run: ..End.");
    }

    public void runJob(DbmsData data) {
        if (data.getType() == DbmsData.DBMS_DATA_PROCESS_STTS) {
            String processId = (String) data.getData();
            this.processMapper.updateProcessState(processId);
        }
        else {
            process(data);
        }
    }

    public void process(DbmsData data) {
        int result = -1;
        int type = -1;
        EvpsCenter center = data.getCenter();
        try {
            MDC.put("id", center.getLogKey());
            Elapsed elapsed1 = new Elapsed();

            type = data.getType();
            switch(type) {
                case DbmsData.DBMS_DATA_INS_SERVICE:
                    TbEvpService newService = (TbEvpService)data.getData();
                    result = this.serviceMapper.insertEvpService(newService);
                    break;
                case DbmsData.DBMS_DATA_UPD_SERVICE:
                    TbEvpService updService = (TbEvpService)data.getData();
                    result = this.serviceMapper.updateEvpService(updService);
                    break;

                case DbmsData.DBMS_DATA_INS_EVENT:
                    TbEvpEvent event = (TbEvpEvent)data.getData();
                    result = this.serviceMapper.insertEvpEvent(event);
                    break;
                case DbmsData.DBMS_DATA_INS_ROUTE:
                    List<HashMap<String, Object>> routeList = (List<HashMap<String, Object>>)data.getData();
                    result = this.evpCommServerDao.insertEvpRoute(routeList);
                    break;
                case DbmsData.DBMS_DATA_INS_NODE:
                    List<HashMap<String, Object>> nodeList = (List<HashMap<String, Object>>)data.getData();
                    result = this.evpCommServerDao.insertEvpNode(nodeList);
                    break;

                case DbmsData.DBMS_DATA_INS_PHASE:
                    List<HashMap<String, Object>> phaseList = (List<HashMap<String, Object>>)data.getData();
                    result = this.evpCommServerDao.insertEvpPhase(phaseList);
                    break;

                case DbmsData.DBMS_DATA_INS_SIGNAL:
                    List<HashMap<String, Object>> signalList = (List<HashMap<String, Object>>)data.getData();
                    result = this.evpCommServerDao.insertEvpSignal(signalList);
                    break;


                case DbmsData.DBMS_DATA_CENTER_STTS_UPDATE:
                    TbRegionCenterComm updStts = (TbRegionCenterComm) data.getData();
//                    this.centerMapper.updateCommState(updStts);
                    break;

                case DbmsData.DBMS_DATA_CENTER_STTS:
                    TbRegionCenterComm stts = (TbRegionCenterComm) data.getData();
//                    if (TbRegionCenterComm.CENTER_COMM_START.equals(stts.getCommState())) {
//                        result = this.centerMapper.updateCommStateConnect(stts);
//                    }
//                    else if (TbRegionCenterComm.CENTER_COMM_STOP.equals(stts.getCommState())) {
//                        result = this.centerMapper.updateCommStateDisconnect(stts);
//                    }
                    break;
                default:
                    log.error("DbmsJobProcess.process: Unknown Request {}.", type);
                    break;
            }
//            log.info("DbmsDataProcess.run: [{}]. {}, {} EA. {}",
//                    center.getLogKey(), type, result, Elapsed.elapsedTimeStr(elapsed1.nanoSeconds()));
        }
        catch (Exception e) {
            log.error("DbmsJobProcess.process: [{}]. {}, Exception: {}", center.getLogKey(), type, e.toString());
        }
        finally {
            MDC.remove(center.getLogKey());
            MDC.clear();
        }
    }

    /*
     *  작업큐에 데이터 추가
     */
    public boolean add(DbmsData data) {
        boolean offer = false;
        try {
            offer = dbmsDataBlockingQueue.offer(data);
            if (!offer) {
                log.error("DbmsDataProcess.add: Queue Full Error, Size: {} EA", dbmsDataBlockingQueue.size());
            }
        } catch (Exception e) {
            log.error("DbmsDataProcess.add: Exception: {}", e.getMessage(), e);
        }
        return offer;
    }

}