package com.ruoyi.sim.service.impl;

import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.sim.config.SimConfig;
import com.ruoyi.sim.constant.CommConst;
import com.ruoyi.sim.domain.*;
import com.ruoyi.sim.domain.vo.ScanSeatVo;
import com.ruoyi.sim.domain.vo.SimSocketParamVo;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.LoggerFactory;
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.util.*;

import static com.ruoyi.sim.constant.CommConst.*;

/**
 * 硬件通信
 * send service.
 * "commSendService"
 */
@Service
public class CommSendService {

    private static final Logger l = LoggerFactory.getLogger(CommSendService.class);

    @Autowired
    private CommReceiveService simReceiveService;
    @Autowired
    private SeatService seatService;
    @Autowired
    private SimService simService;
    @Autowired
    private FaultService faultService;
    @Autowired
    private RealExamService realExamService;
    @Autowired
    private RealExamFaultService realExamFaultService;
    @Autowired
    private RealExamCollectionService realExamCollectionService;
    @Autowired
    private CommBuildService commBuildService;
    @Autowired
    private DebugFaultService debugFaultService;
    // private SocketOldService socketOldService;
    @Autowired
    private SocketService socketService;
    @Autowired
    private CommCheckService commCheckService;
    @Autowired
    CommReceiveService commReceiveService;
    @Autowired
    private SimConfig config;
    @Autowired
    private CommStrategy commStrategy;

    /**
     * 定时任务。
     */
    public void scheduledLoopRead() {
        readAll();
    }

    public void readAll() {
        l.info("readAll");
        List<RealExam> listRe = realExamService.listAllByStatus(RealExam.State.ANSWERING);
        listRe.forEach(e -> {
            if (e == null) {
                return;
            }
            List<RealExamFault> listRef = realExamFaultService.listAllType2State2and3ByExamId(e.getExamId());
            listRef.forEach(ref -> {
                RealExam re = realExamService.selectRealExamByExamId(ref.getExamId());
                Seat seat = seatService.selectSeatBySeatId(re.getSeatId());
                Sim sim = simService.selectSimBySimId(e.getSimId());
                Fault f = faultService.selectFaultByFaultId(ref.getFaultId());
                if (f != null && Fault.Type.REAL_GZBW.equals(f.getFaultType()) && Fault.State.ENABLE.equals(f.getFaultState())) {
                    readOneSimOneFaultResistance(seat, sim, ref, f, null);
                }
            });
        });
    }

    /**
     * Async version.
     */
    @Async("tp-comm")
    public void readAllAsync() {
        readAll();
    }

    public void readOneExamAtLast(RealExam re) {
        l.info("readOneExamAtLast");
        List<RealExamFault> list = realExamFaultService.listAllType2State2and3ByExamId(re.getExamId());
        for (RealExamFault ref : list) {
            Seat seat = seatService.selectSeatBySeatId(re.getSeatId());
            Sim sim = simService.selectSimBySimId(re.getSimId());
            Fault f = faultService.selectFaultByFaultId(ref.getFaultId());
            readOneSimOneFaultResistance(seat, sim, ref, f, RealExamFault.State.FINISH);
        }
        // 计算扣分。
        // 最后都读取到，才算扣分。
        {
            // todo:暂时不算。
            // calculateScore(re.getExamId());
        }
    }

    public void readOneSimAtLastByDebug(Seat seat, Sim sim) {
        l.info("readOneSimAtLastByDebug");
        List<Fault> list = faultService.listType3(sim.getSimType());
        for (Fault f : list) {
            readOneSimOneFaultResistance(seat, sim, null, f, null);
        }
    }

    public AjaxResult debugReadAllFaultResistanceBySimNum(final Long seatId) {
        // check

        //
        // 打开socket
        {
            socketService.tryOpenAll();
        }
        //
        Seat seat = seatService.selectSeatBySeatId(seatId);
        Sim sim = getSimBySeatIdNewVer(seatId);
        {
            AjaxResult arE3 = checkOneSimStateActive(seat);
            if (arE3.isError()) {
                return arE3;
            }
        }
        sim = simService.uniqueBySimNum(sim.getSimNum());
        // todo: aj改造
        readOneSimAtLastByDebug(seat, sim);
        return AjaxResult.success("成功读取！");
    }

    @Async("tp-comm")
    public void readOneExamAtLastAsync(RealExam re) {
        l.info("readOneExamAtLastAsync");
        readOneExamAtLast(re);
    }

    /**
     * 计算减分(不包括超时)。汇总到deduction_total_score字段。
     *
     * @param realExamId
     */
    public void calculateScore(Long realExamId) {
        realExamService.updateOneState(realExamId, RealExam.State.CALCULATING_SCORE);
        int minus = 0;
        // 排除故障部分 + 维修报告选择部分
        realExamFaultService.calculateMinusByRealExamId(realExamId);
        // 超时部分
        int timeoutMinute = 0;
        //
        realExamService.updateOneState(realExamId, RealExam.State.GOT_REPORT);
    }

    /**
     * todo:????
     * 定时任务。
     */
    public void scheduledReadSim() {
        l.info("scheduledReadSim");
        if (!realExamCollectionService.existAtLeastOneOpened()) {
            l.info("没有open的考试集合");
            return;
        }
        readAll();
        //

        // AA010102010000000055

        // AA010102010000000055

        String simNum = "01";
        String simType = "0002";
//        for (int i = 0; i < 3; i++) {
//            debugReadSimType(simNum);
//        }
//        debugClearAllFault(simNum, simType);
//        debugWriteAllFault(simNum, simType);
//        for (int i = 0; i < 3; i++) {
//            debugReadAllFaultResistance(simNum, simType);
//        }

        //  debugClearOneFault(simNum, "02");


        // boolean bRea = isReachable("123.112.16.165");
        // debugReadSimType(simNum);
        // l.info("bRea:" + bRea);

//            debugReadAllFaultResistance(simNum, simType);

//            debugWriteAllFault(simNum, simType);
//            for (int i = 0; i < 5; i++) {
//                debugReadAllFaultResistance(simNum, simType);
//            }


//        if (isSocketOk()) {
//            readAllAsync();
//        } else {
//            scheduledConnect();
//        }
    }

    /**
     * 连接情况 的 定时任务。
     * 执行频率: 5min
     */
    public void scheduledConnect() {
        l.info("scheduled####Connect  连接情况 的 定时任务");
        // if (!SimDebugConfig.SCHEDULED_CONNECT) {
        if (true) {
            l.info("连接情况 的 定时任务被禁用！");
            return;
        }

        // 暂时注释
//        if (!realExamCollectionService.existAtLeastOneOpened()) {
//            l.info("没有open的任何集合");
//            return;
//        }

        //
        {
            AjaxResult ar = commCheckService.checkRouterState(config.getRouterIp());
            if (ar.isError()) {
                return;
            }
        }
        //
        {
            seatService.listAllRs485Ip().forEach(rs485Ip -> {
                commCheckService.checkPingRs485State(rs485Ip);
            });
        }


        // SocketOldService实现
//        if (socketOldService.isCachedSocketOk()) {
//            checkAllSeatAndSimState();
//        }

        socketService.tryOpenAll();
        commCheckService.checkAllSeatAndSimState();
    }

    /**
     * 主动更新模拟器状态。
     * <p>
     * <p>
     * 主动查询一次模拟器状态。更新模拟器在线/离线状态;否则返回对应错误。
     * todo:需要重新考虑，不再使用。
     *
     * @param seat
     * @return
     */
    @Deprecated
    public AjaxResult checkOneSimStateActive(Seat seat) {
        // 这句可能会调整模拟器状态，后面需要重新查询。
        commCheckService.checkOneSeatState(seat, true);
        AjaxResult ar1 = commCheckService.checkOneSimOnlineState(seat, true);
        if (ar1.isError()) {
            return ar1;
        }
        // 重新最新模拟器。
        Sim sim = getSimBySeatIdNewVer(seat.getSeatId());
        // 如果模拟器离线
        if (sim != null && Sim.State.ONLINE.equals(sim.getSimState())) {
            return AjaxResult.success();
        } else {
            return AjaxResult.error("未连接模拟器，请检查连接！");
        }
    }

    @Async("tp-comm")
    public void checkAllSimStateAsync() {
        commCheckService.checkAllSeatAndSimState();
    }

    /**
     * 清除一个考试的，对应的某型号一台模拟器的，所有故障部位。
     *
     * @param re
     */
    public void clearOneSimAllFaultByExam(RealExam re) {
        l.info("clearOneSimAllFaultByExam = {}", re);
        // check

        // 更新Exam状态。
        {
            realExamService.updateOneState(re.getExamId(), RealExam.State.SIM_WRITING);
        }
        //
        List<RealExamFault> list = realExamFaultService.listAllType2InitStateByExamId(re.getExamId());
        if (list != null) {
            l.info("清除exam list = {}", list.size());
        }
        assert list != null;
        Seat seat = seatService.selectSeatBySeatId(re.getSeatId());
        list.forEach(ref -> {
            Fault f = faultService.selectFaultByFaultId(ref.getFaultId());
            if (faultService.isDisable(f.getFaultId())) {
                l.warn("故障 {} -被禁用", f.getName());
                throw new IllegalArgumentException("故障被禁用");
            }
            Sim sim = simService.selectSimBySimId(re.getSimId());
            // check

            //
            clearOneSimOneFault(seat, sim, ref, f);
        });
    }

    public void clearOneSimAllFaultBySim(Seat seat, Sim sim) {
        l.info("clearOneSimAllFaultBySim = {}", sim);
        faultService.listType3EnableBySimType(sim.getSimType()).forEach(f -> {
            clearOneSimOneFault(seat, sim, null, f);
        });
    }

    /**
     * Async version.
     *
     * @param re
     */
    @Async("tp-comm")
    public void clearListFaultByRealExamAsync(RealExam re) {
        clearOneSimAllFaultByExam(re);
    }

    public void clearAll() {
        // todo:
        // 根据Seat数据遍历
        seatService.listAllEnable().forEach(seat -> {
            Sim sim = getSimBySeatIdNewVer(seat.getSeatId());
            String simType = sim.getSimType();
            List<Fault> listF = faultService.listType3EnableBySimType(simType);
            listF.forEach(f -> {
                clearOneSimOneFault(seat, sim, null, f);
            });
        });
    }

    /**
     * debug读取模拟器类型序列号
     *
     * @param seatId
     * @return
     */
    public SimMsg debugReadSimType(final Long seatId) {
        Seat seat = seatService.selectSeatBySeatId(seatId);
        Sim sim = getSimBySeatIdNewVer(seatId);
        SimMsg sm = commBuildService.buildSendMsgReadSimType(sim.getSimNum());
        return send(sm, seat, sim, CommConst.RETRY_COUNT_0, commStrategy.getSleepShort());
    }

    /**
     * debug清除一个故障
     *
     * @param seatId
     * @param bindHardwareMsg
     * @return
     */
    public SimMsg debugClearOneFault(final Long seatId, final String bindHardwareMsg) {
        Seat seat = seatService.selectSeatBySeatId(seatId);
        Sim sim = getSimBySeatIdNewVer(seatId);
        SimMsg sm = commBuildService.buildSendMsgClearFault(sim.getSimNum(), bindHardwareMsg);
        return send(sm, seat, sim, RETRY_COUNT_CLEAR_ONE_FAULT, commStrategy.getSleepLong());
    }

    public AjaxResult debugClearAllOnlineSimAllFault() {
        l.info("debugClearAllOnlineSimAllFault");
        simService.listAllOnline().forEach(s -> {
            // AjaxResult ar = debugClearAllFaultBySeatId(0);// todo:尚未实现
        });
        debugFaultService.deleteAll();
        return AjaxResult.success("清除成功，清除所有在线模拟器所有故障！");
    }

    /**
     * debug清除所有故障
     *
     * @param seatId
     * @return
     */
    @Transactional
    public AjaxResult debugClearAllFaultBySeatId(final Long seatId) {
        {
            AjaxResult ar = debugCheckSeatId(seatId);
            if (ar.isError()) {
                return ar;
            }
        }
        debugFaultService.deleteAll();
        Seat seat = seatService.selectSeatBySeatId(seatId);
        Sim sim = getSimBySeatIdNewVer(seatId);
        if (sim == null) {
            return AjaxResult.error("清除失败，模拟器不存在！请检查模拟器线缆连接，模拟器线缆开关！");
        }
        sim = simService.selectSimBySimId(sim.getSimId());
        if (!Sim.State.ONLINE.equals(sim.getSimState())) {
            return AjaxResult.error("清除失败，模拟器尚未在线！");
        }
        List<SimMsg> list = new ArrayList<>();
        for (String b : getGZBWBySimType(sim.getSimType())) {
            SimMsg sm = debugClearOneFault(seatId, b);
            if (sm != null && !Objects.equals(sm.getResult(), SimMsg.Result.SUCCESS)) {
                AjaxResult.success("清除失败！");
            }
            list.add(sm);
        }
        return AjaxResult.success("清除成功，清除当前模拟器所有故障！");
    }

    /**
     * @param sim
     * @param reF 可以为空，表示不关联考试的，单独执行的。调试模式下为空。
     * @param f
     */
    public void clearOneSimOneFault(Seat seat, Sim sim, RealExamFault reF, Fault f) {
        l.info("clearOneSimOneFault 清除One故障:getSimNum = {},getBindHardwareMsg = {},fault.getName = {}", sim.getSimNum(), f.getBindHardwareMsg(), f.getName());
        // check todo:

        // step1
        SimMsg smS = commBuildService.buildSendMsgClearFault(sim.getSimNum(), f.getBindHardwareMsg());
        SimMsg smR = send(smS, seat, sim, RETRY_COUNT_CLEAR_ONE_FAULT, commStrategy.getSleepLong());
        if (reF != null) {
            simReceiveService.clearOneFault(smR, sim, reF, f);
        } else {
            l.info("reF == null");
        }

        // step2

        // 下发故障独立运行。下面屏蔽。

//        if (reF != null &&
//                realExamFaultService.isState(reF.getRefId(), RealExamFault.State.CLEARED)) {
//            if (reF.getFlag().equals(RealExamFault.Flag.YES)) {
//                writeOneFault(s, reF, f);
//            } else if (reF.getFlag().equals(RealExamFault.Flag.NO)) {
//                RealExamFault f1 = realExamFaultService.selectRealExamFaultByRefId(reF.getRefId());
//                f1.setRefState(RealExamFault.State.LOOP_READ);
//            }
//        }
    }

    /**
     * debug下发一个故障
     *
     * @param seatId
     * @param bindHardwareMsg
     * @return
     * @throws IOException
     */
    public SimMsg debugWriteOneFault(final Long seatId,
                                     final String bindHardwareMsg) {
        Seat seat = seatService.selectSeatBySeatId(seatId);
        Sim sim = getSimBySeatIdNewVer(seatId);
        SimMsg sm = commBuildService.buildSendMsgWriteFault(sim.getSimNum(), bindHardwareMsg);
        return send(sm, seat, sim, RETRY_COUNT_WRITE_ONE_FAULT, commStrategy.getSleepLong());
    }

    /**
     * debug下发所有故障
     *
     * @param seatId
     * @return
     * @throws IOException
     */
    public List<SimMsg> debugWriteAllFault(final Long seatId) {
        List<SimMsg> list = new ArrayList<>();
        Sim sim = getSimBySeatIdNewVer(seatId);
        String simType = sim.getSimType();
        for (String bind : getGZBWBySimType(simType)) {
            list.add(debugWriteOneFault(seatId, bind));
        }
        return list;
    }

    /**
     * todo:尚未实现
     * 实现方式类似 studentStartRealExam方法。
     *
     * @param seatId
     * @param faultIds
     * @param checkReplace 是否进行可换件检查
     * @return
     */
    @Transactional
    public AjaxResult debugWriteSelectedFaultBySimNum(final Long seatId, final String[] faultIds, final Boolean checkReplace) {
        // Check:seatId有效性
        {
            AjaxResult ar = debugCheckSeatId(seatId);
            if (ar.isError()) {
                return ar;
            }
        }
        // Check:faultIds有效性
        {
            if (faultIds == null || faultIds.length == 0) {
                return AjaxResult.error("下发故障数据为空！");
            }
        }
        // 删除调试表故障数据。
        debugFaultService.deleteAll();
        //
        Seat seat = seatService.selectSeatBySeatId(seatId);
        Sim sim = getSimBySeatIdNewVer(seatId);
        // check sim
        // 打开socket
        {
            socketService.tryOpenAll();
        }
        // Step 1 主动查询一次模拟器状态。
        {
            AjaxResult arE3 = checkOneSimStateActive(seat);
            if (arE3.isError()) {
                return arE3;
            }
        }
        sim = simService.uniqueBySimNum(sim.getSimNum());
        // Step 2
        // msg判断，是否含有"故障部位"字符串
        {
            if (checkReplace) {
                AjaxResult arE2 = readOneSimAllFaultCheck(seat, sim);
                if (arE2.isError()) {
                    return arE2;
                }
            }
        }
        // Step 3 清除对应一台模拟器 所有故障部位故障。
        {
            clearOneSimAllFaultBySim(seat, sim);
        }
        // Step 4 下发对应一台模拟器 出题选中的 故障位置故障。
        {
            Fault[] faults = new Fault[faultIds.length];
            for (int i = 0; i < faultIds.length; i++) {
                faults[i] = faultService.selectFaultByFaultId(faultIds[i]);
            }
            writeOneSimAllSelectFaultByDebug(seat, sim, faults);
        }
        // Step 5 读取
        {
            readOneSimAllFaultFirstTimeBySim(seat, sim, faultIds);
        }
        return AjaxResult.success("下发故障流程执行成功!");
    }

    /**
     * debug校验seatId
     *
     * @param seatId
     * @return
     */
    public AjaxResult debugCheckSeatId(final Long seatId) {
        if (seatId == null || seatId <= 0) {
            return AjaxResult.error("座次信息不正确！");
        }
        Seat seat = seatService.selectSeatBySeatId(seatId);
        if (seat == null) {
            return AjaxResult.error("座次信息不存在！");
        }
        return AjaxResult.success();
    }

    /**
     * debug扫描所有座次模拟器
     *
     * @return
     */
    public AjaxResult debugScanAllSeat() {
        List<ScanSeatVo> list = new ArrayList<>();
        seatService.listAllEnable().forEach(seat -> {
            AjaxResult ar = commCheckService.checkOneSeatState(seat, true);
            String text = ar.get(AjaxResult.MSG_TAG).toString();
            // 新查询
            seat = seatService.selectSeatBySeatId(seat.getSeatId());
            Sim sim = simService.selectSimBySimId(seat.getCurrentSimId());
            if (sim != null) {
                list.add(new ScanSeatVo(seat.getSeatId(), sim.getSimId(), sim.getSimType(), text));
            } else {
                list.add(new ScanSeatVo(seat.getSeatId(), 0L, "", text));
            }
        });
        return AjaxResult.success(list);
    }

    private String[] getGZBWBySimType(String simType) {
        if (StringUtils.isBlank(simType)) {
            return new String[0];
        }
        switch (simType) {
            case Sim.TYPE_0001 -> {
                return TYPE_1_BIND_MSG;
            }
            case Sim.TYPE_0002 -> {
                return TYPE_2_BIND_MSG;
            }
            case Sim.TYPE_0003 -> {
                return TYPE_3_BIND_MSG;
            }
            default -> {
                return new String[0];
            }
        }
    }

    /**
     * 下发所有选中的真实的故障部位。
     *
     * @param re
     */
    public void writeOneSimAllSelectFaultByExam(RealExam re) {
        // 更新Exam状态。
        realExamService.updateOneState(re.getExamId(), RealExam.State.SIM_WRITING);
        List<RealExamFault> list = realExamFaultService.listAllType2FlagYesClearedStateByExamId(re.getExamId());
        for (RealExamFault ref : list) {
            Seat seat = seatService.selectSeatBySeatId(re.getSeatId());
            Sim sim = simService.selectSimBySimId(re.getSimId());
            Fault f = faultService.selectFaultByFaultId(ref.getFaultId());
            // 选中的故障才下发。
            writeOneSimOneFault(seat, sim, ref, f);
        }
    }

    public void writeOneSimAllSelectFaultByDebug(Seat seat, Sim sim, Fault[] faults) {
        for (Fault f : faults) {
            writeOneSimOneFault(seat, sim, null, f);
        }
    }

    public void writeOneSimOneFault(Seat seat, Sim sim, RealExamFault ref, Fault f) {
        l.info("下发故障:getSimId = {},fault.getName = {}", sim.getSimId(), f.getName());
        // todo:ref is null.
        // 下发故障
        SimMsg smA1 = commBuildService.buildSendMsgWriteFault(sim.getSimNum(), f.getBindHardwareMsg());
        SimMsg smA2 = send(smA1, seat, sim, RETRY_COUNT_WRITE_ONE_FAULT, commStrategy.getSleepLong());
    }

    /**
     * 开始考试前检查读取。
     *
     * @param sim
     * @return
     */
    public AjaxResult readOneSimAllFaultCheck(Seat seat, Sim sim) {
        Fault q = new Fault();
        q.setFaultType(Fault.Type.REAL_GZBW);
        q.setSimType(sim.getSimType());
        List<Fault> list = faultService.selectFaultList(q);
        List<Fault> listNG = new ArrayList<>();
        for (Fault f : list) {
            AjaxResult ar = readOneSimOneFaultCheck(seat, sim, f);
            if (ar.isError()) {
                listNG.add(f);
                l.info("故障部位[" + f.getBindHardwareMsg() + "][" + f.getReplaceName() + "]未正确安装;");
            } else {
                l.info("故障部位[" + f.getBindHardwareMsg() + "][" + f.getReplaceName() + "]安装ok;");
            }
        }
        if (listNG.isEmpty()) {
            return AjaxResult.success("所有故障部位检查没有问题。");
        }
        StringBuilder sbNG = new StringBuilder();
        for (Fault f : listNG) {
            sbNG.append("[" + f.getReplaceName() + "]可换件异常;<br>");
        }
        sbNG.append("请正确安装可换件，检查后重新开始考试！");
        return AjaxResult.error(sbNG.toString());
    }


    /**
     * 检查读取。
     *
     * @param sim
     * @param f
     * @return
     */
    public AjaxResult readOneSimOneFaultCheck(Seat seat, Sim sim, Fault f) {
        l.info("readOneSimOneFaultCheck sim = {},f = {}", sim, f);
        SimMsg sm1 = commBuildService.buildSendMsgReadFaultResistance(sim.getSimNum(), f.getBindHardwareMsg());
        SimMsg sm2 = send(sm1, seat, sim, RETRY_COUNT_CHECK_ONE_FAULT, commStrategy.getSleepLong());
        return simReceiveService.getOneFaultCheck(sm2, sim, f);
    }

    /**
     * 第一次读取，作为出题值。
     *
     * @param re
     */
    public void readOneSimAllFaultFirstTimeByExam(RealExam re) {
        l.info("readOneSimAllFaultFirstTimeByExam re = {}", re);
        List<RealExamFault> list = realExamFaultService.listAllType2(re.getExamId());
        for (RealExamFault ref : list) {
            Seat seat = seatService.selectSeatBySeatId(re.getSeatId());
            Sim sim = simService.selectSimBySimId(re.getSimId());
            Fault f = faultService.selectFaultByFaultId(ref.getFaultId());
            readOneSimOneFaultFirstTime(seat, sim, ref, f, null);
        }
    }

    /**
     * 第一次读取，作为出题值。debug模式。
     *
     * @param sim
     * @param faultIds
     */
    public void readOneSimAllFaultFirstTimeBySim(Seat seat, Sim sim, final String[] faultIds) {
        l.info("readOneSimAllFaultFirstTimeBySim s = {}", sim);
        List<Fault> list = faultService.listType3(sim.getSimType());
        for (Fault f : list) {
            readOneSimOneFaultFirstTime(seat, sim, null, f, faultIds);
        }
    }

    /**
     * 第一次读取，作为出题值。
     *
     * @param sim
     * @param ref      debug调试模式为空。可以为空。
     * @param f
     * @param faultIds debug调试模式为空。
     */
    public void readOneSimOneFaultFirstTime(Seat seat, Sim sim, RealExamFault ref, Fault f, String[] faultIds) {
        l.info("readOneSimOneFaultFirstTime");
        // 读取一次当前电阻代表值作为出题值。
        SimMsg sm1 = commBuildService.buildSendMsgReadFaultResistance(sim.getSimNum(), f.getBindHardwareMsg());
        SimMsg sm2 = send(sm1, seat, sim, RETRY_COUNT_WRITE_ONE_FAULT, commStrategy.getSleepLong());
        simReceiveService.setFaultQuestionValue(sm2, sim, ref, f, faultIds);
    }

    /**
     * debug读取一个故障位置数据
     *
     * @param seatId
     * @param bindHardwareMsg
     * @return
     */
    public SimMsg debugReadOneFaultResistance(final Long seatId,
                                              final String bindHardwareMsg) {
        Seat seat = seatService.selectSeatBySeatId(seatId);
        Sim sim = getSimBySeatIdNewVer(seatId);
        SimMsg sm = commBuildService.buildSendMsgReadFaultResistance(sim.getSimNum(), bindHardwareMsg);
        return send(sm, seat, null, RETRY_COUNT_0, commStrategy.getSleepShort());
    }

    /**
     * debug读取全部故障位置数据
     *
     * @param seatId
     * @return
     */
    public List<SimMsg> debugReadAllFaultResistance(final Long seatId) {
        Sim sim = getSimBySeatIdNewVer(seatId);
        List<SimMsg> list = new ArrayList<>();
        String simType = simService.uniqueBySimNum(sim.getSimNum()).getSimType();
        for (String b : getGZBWBySimType(simType)) {
            list.add(debugReadOneFaultResistance(seatId, b));
        }
        return list;
    }

    /**
     * @param sim
     * @param reF
     * @param f
     * @param refState 中间轮询是null,交卷最后一次读取为finish状态。用来修改状态的。debug模式下执行为null。
     */
    public void readOneSimOneFaultResistance(Seat seat, Sim sim, RealExamFault reF, Fault f, String refState) {
        l.info("readOneSimOneFaultResistance");
        SimMsg sm1 = commBuildService.buildSendMsgReadFaultResistance(sim.getSimNum(), f.getBindHardwareMsg());
        SimMsg sm2 = null;
        if (reF != null && refState != null) {
            if (RealExamFault.State.FINISH.equals(refState)) { // 是否最后一次读取。
                sm2 = send(sm1, seat, sim, RETRY_COUNT_READ_ONE_RESISTANCE, commStrategy.getSleepShort());
            } else {
                sm2 = send(sm1, seat, sim, RETRY_COUNT_0, commStrategy.getSleepShort());
            }
        } else {
            sm2 = send(sm1, seat, sim, RETRY_COUNT_READ_ONE_RESISTANCE, commStrategy.getSleepShort());
        }
        simReceiveService.setFaultAnswerValue(sm2, sim, reF, f, refState);
    }

    /**
     * 最基本的通信方法。
     * send hex message
     * <p>
     * 去掉synchronized
     *
     * @param sm              发送
     * @param seat            不能为空
     * @param sim             可以为空！更新最后发送/接收时间 用。
     * @param retryTotalCount 重试次数
     * @param sleep           不使用传入0，不进行挂起。
     * @return
     */
    public SimMsg send(final SimMsg sm, final Seat seat, final Sim sim, final int retryTotalCount, final long sleep) {
        try {
            if (!config.isCommGlobal()) {
                l.warn("isCommGlobal == false [模拟器通信被禁用！]");
                return sm;
            }
            if (sm == null || sm.getSendMsg() == null || StringUtils.isBlank(sm.getSendMsg())) {
                throw new IllegalArgumentException("SimMsg IllegalArgument");
            }
            // sim
            if (seat == null) {
                throw new IllegalArgumentException("seat is null");
            }
            if (sleep < 0) {
                throw new IllegalArgumentException("SimMsg sleep");
            }
            // log.
            {
                l.info("####发送#### == Seat[{}],SimMsg[{}]", seat, sm);
            }
            // 如果没有打开socket，顺道打开。正好后面要sleep。
            // 不强制重开Socket。
            // 先进行Socket相关处理。
            SimSocketParamVo sspv = seat.toSimSocketParamVo();
            socketService.openOne(sspv, socketService.isNotOk(sspv));
            // Socket情况不正确，直接返回。
            if (socketService.isNotOk(sspv)) {
                sm.setResult(SimMsg.Result.SOCKET_CONNECT_EXCEPTION);
                return sm;
            }
            {
                // sleep挂起线程,追求顺序请求。
                // 大于0才挂起。
                if (sleep > 0 && socketService.get(sspv).getPreviousSendSleep() > 0L) {
                    // 时间间隔挂起。
                    Thread.sleep(socketService.get(sspv).getPreviousSendSleep());
                }
            }
            socketService.get(sspv).setPreviousSendSleep(sleep);
            Socket socket = socketService.get(sspv).getSocket();
            InputStream is = socket.getInputStream();
            OutputStream os = socket.getOutputStream();
            os.write(hexStrToByteArrs(sm.getSendMsg()));
            sm.setSendTime(DateUtils.getNowDate());
            if (sim != null) {
                simService.updateLastSentTime(sim);
            }
            byte[] buffer = new byte[LENGTH_24];
            int length = is.read(buffer);
            StringBuilder sbHex = new StringBuilder();
            for (int i = 0; i < length; i++) {
                sbHex.append(String.format("%02X", buffer[i]));
            }
            String receiveWith0 = sbHex.toString();
            // 原始带0的收到报文。
            sm.setReceiveOriginalMsg(receiveWith0);
            sm.setReceiveMsg(commReceiveService.removeRrefix0(receiveWith0));
            sm.setReceiveTime(DateUtils.getNowDate());
            // log.
            {
                AjaxResult ar = commReceiveService.checkReceiveMsg(sm.getReceiveMsg());
                if (ar.isError()) {
                    // todo:
                    l.warn("####接收错误#### = {}", sm);
                    sm.setResult(SimMsg.Result.RECEIVE_CHECK_FAIL);
                    return sm;
                } else {
                    l.info("####接收成功#### = {}", sm);
                }
            }
            if (sim != null) {
                simService.updateLastReceivedTime(sim);
            }
            sm.setResult(SimMsg.Result.SUCCESS);
            // 最后返回报文实体。
            return sm;
        } catch (InterruptedException | IOException e) {
            // SocketTimeoutException
            l.error("SocketTimeoutException");
            e.printStackTrace();
            sm.setResult(SimMsg.Result.READ_TIMEOUT_EXCEPTION);
            if (sim != null) {
                l.info("fail sim.getSimId() = {}", sim.getSimId());
            }
            SimSocketParamVo sspv = seat.toSimSocketParamVo();
            // Socket失败计数
            socketService.failedPlus1(sspv);
            if (socketService.failedIsReachedMax(sspv, SocketService.SOCKET_CONNECT_RETRY_COUNT_LIMIT)) {
                // 达到重试次数上限,认为模拟器离线
                if (sim != null) {
                    simService.updateSimStateBySimId(sim.getSimId(), Sim.State.OFFLINE);
                }
                socketService.failedReset0(sspv);
            }
            // 先考虑一台模拟器演示。
            // 进行重试 start
            if (sm.getRetryCount() == RETRY_COUNT_0) {
                l.warn("####RetryTotalCount不重试RETRY_COUNT_0#### = getSimMsgId = {}", sm.getSimMsgId());
                return sm;
            }
            if (sm.getRetryCount() < retryTotalCount) {
                sm.retryCountPlus1();
                send(sm, seat, sim, retryTotalCount, sleep);
                l.warn("####RetryTotalCount重试#### = {}", sm);
            } else {
                l.warn("####RetryTotalCount达到重试上限#### = {}", sm);
            }
            // 进行重试 end
            // 最后返回报文实体。
            return sm;
        }
    }

    /**
     * todo:
     *
     * @param sm
     * @param s
     * @param retryTotalCount
     * @param sleep
     * @return
     */
    public SimMsg sendRetry(final SimMsg sm, final Sim s, final int retryTotalCount, final long sleep) {
        return null;
    }

    /**
     * https://mvnrepository.com/artifact/com.infiniteautomation/modbus4j/3.0.3
     */
    public void test02() {
        byte[] data = {0x01, 0x03, 0x00, 0x00, 0x00, 0x02}; // 示例数据
        // int crc = ModbusUtils.calculateCRC(data);
        // System.out.println("CRC-16/MODBUS 校验值: " + Integer.toHexString(crc));
    }


    public static byte[] hexStrToByteArrs(String hexString) {
//        if (StringUtils.isEmpty(hexString)) {
//            return null;
//        }
        hexString = hexString.replaceAll(" ", "");
        int len = hexString.length();
        int index = 0;

        byte[] bytes = new byte[len / 2];

        while (index < len) {
            String sub = hexString.substring(index, index + 2);
            bytes[index / 2] = (byte) Integer.parseInt(sub, 16);
            index += 2;
        }
        return bytes;
    }

    public String logBytesToString(byte[] bytes) {
        if (bytes == null || bytes.length == 0) {
            return "";
        }
        StringBuffer sbHex = new StringBuffer();
        byte[] buffer = new byte[bytes.length];
        for (int i = 0; i < bytes.length; i++) {
            sbHex.append(String.format("%02X", buffer[i]));
        }
        return sbHex.toString();
    }

    public static String bytesToHexV2(byte[] bytes) {
        StringBuilder hexString = new StringBuilder();
        for (byte b : bytes) {
            String hex = Integer.toHexString(0xFF & b); // 将字节转换为十六进制字符串
            if (hex.length() == 1) {
                hexString.append('0'); // 如果是单个字符，补零
            }
            hexString.append(hex);
        }
        return hexString.toString();
    }

    /**
     * checkOneSeatState 包装调用。
     *
     * @param seatId
     * @return 可能为空
     */
    public Sim getSimBySeatIdNewVer(Long seatId) {
        Seat seat = seatService.selectSeatBySeatId(seatId);
        // 执行在线监测。
        AjaxResult ar = commCheckService.checkOneSeatState(seat, true);
        if (ar != null) {
            return (Sim) ar.get(AjaxResult.DATA_TAG);
        } else {
            return null;
        }
    }

    /**
     * todo:
     *
     * @return
     */
    public AjaxResult debugResetAnything() {
        // Step:关闭所有Socket连接

        // Step:ping路由器，返回在线情况。

        // Step:ping教员端主机，返回在线情况。

        // Step:ping所有学员端主机，返回在线情况列表。

        // Step:ping所有RS485，返回在线情况列表。

        // Step:建立所有模拟器Socket，返回情况列表。

        // Step:有Socket的前提下，尝试查询所有模拟器连接情况，得到连接的模拟器 型号、序列号信息

        // Step:所有连接的模拟器，清除每一个模拟器的各个故障

        // Step:所有连接的模拟器，读取每一个模拟器的各个故障，是否处于考试准备ok状态

        // 删除debug表中所有数据。
        try {
            Thread.sleep(5000L);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }
        return AjaxResult.success("全部重置成功。todo:123456");
    }
}