package com.coffee.bus.service;

import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.date.LocalDateTimeUtil;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.coffee.bus.entity.*;
import com.coffee.bus.enums.DeviceAlarmEnum;
import com.coffee.bus.enums.DeviceStatusEnum;
import com.coffee.bus.enums.PatientAlarmEnum;
import com.coffee.bus.hospital.HospitalManager;
import com.coffee.bus.hospital.HospitalManagerRegister;
import com.coffee.bus.hospital.his.HisScriptSession;
import com.coffee.bus.hospital.his.HisScriptSessionManager;
import com.coffee.bus.hospital.his.strategy.HisStrategyEnum;
import com.coffee.bus.registry.device.DeviceRegistry;
import com.coffee.bus.service.dto.*;
import com.coffee.bus.mapper.BusPatientMapper;
import com.coffee.bus.registry.patient.PatientOperator;
import com.coffee.bus.registry.patient.PatientRegistry;
import com.coffee.bus.utils.WsPublishUtils;
import com.coffee.common.crud.BaseService;
import com.coffee.common.enums.SexEnum;
import com.coffee.common.exception.CustomException;
import com.coffee.common.result.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.context.request.async.DeferredResult;

import java.time.LocalDateTime;
import java.time.ZoneOffset;
import java.util.*;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

/**
 * @author lifang
 * @version 1.0.0
 * @ClassName LocalBusHospitalService.java
 * @Description
 * @createTime 2022年03月19日 09:27:00
 */
@Service
@Slf4j
public class LocalBusPatientService extends BaseService<BusPatientMapper, BusPatientEntity,String> {
    @Autowired
    @Lazy
    private LocalBusClinicService clinicService;
    @Autowired
    @Lazy
    private PatientRegistry patientRegistry;

    @Autowired
    @Lazy
    private HospitalManagerRegister hospitalManagerRegister;

    @Autowired
    @Lazy
    private WsPublishUtils wsPublishUtils;

    @Autowired
    @Lazy
    private LocalBusInfusionHistoryService infusionHistoryService;

    @Autowired
    @Lazy
    private LocalBusPatientService patientService;

    @Autowired
    @Lazy
    private DeviceRegistry deviceRegistry;

    @Autowired
    @Lazy
    private LocalBusHospitalService hospitalService;

    private ScheduledExecutorService executorService = Executors.newSingleThreadScheduledExecutor();

    @Override
    public void validateBeforeSave(BusPatientEntity entity) {
        if(entity.getGender()==null){
            entity.setGender(SexEnum.UNKNOW);
        }
        if(entity.getAlarm()==null){
            entity.setAlarm(PatientAlarmEnum.NONE);
        }
    }

    @Override
    public void validateBeforeUpdate(BusPatientEntity entity) {

    }

    @Override
    public void validateBeforeDelete(String id) {

    }

    @Override
    public void postSave(BusPatientEntity entity) {
        super.postSave(entity);
        //新增病人后推送主题,延迟推送，保证处理逻辑已全部完成
        executorService.schedule(()->{
                    wsPublishUtils.publishPatientAdd(entity.getCode(),entity.getTenantId());
                    wsPublishUtils.publishMonitorTotalCount(entity.getTenantId());
                }
                ,2, TimeUnit.SECONDS);
    }

    /**
     * 获取病人信息
     * @param hospitalId  医院id
     * @param patientCode 病号
     * @param sync 是否为同步操作
     */
    public DeferredResult<R<BusClinicEntity>> getPatientInfoFromHis(String hospitalId, String patientCode, long timeout,boolean sync){
        BusHospitalEntity hospital = hospitalService.getById(hospitalId);
        HospitalManager hospitalManager = hospitalManagerRegister.get(hospitalId);
        HisScriptSession hisScriptSession = hospitalManager.getScriptSession();
        HisStrategyEnum strategy = hospital.getStrategy();
        if(null==strategy||HisStrategyEnum.NONE.equals(strategy)){
            throw new CustomException("医院未对接his，请到【信息维护】->【HIS对接】配置his策略");
        }
        log.info("医院【{}】，开始拉取病号【{}】信息，拉取方式【{}】",hospitalId,patientCode,sync?"同步":"异步");
        return sync?hisScriptSession.syncGetPatientInfo(patientCode,timeout,TimeUnit.SECONDS):hisScriptSession.asyncGetPatientInfo(patientCode,timeout,TimeUnit.SECONDS,true);
    }

    /**
     * 描述: 对病人报警数量进行统计
     * @author lifang
     * @date 2022/5/20 16:42
     * @param tenantId
     * @param alarm
     * @return long
     */
    public long patientAlarmCount(String tenantId,PatientAlarmEnum alarm){
        return this.baseMapper.selectAlarmCount(tenantId,alarm.getValue());
    }

    public long patientAlarmCount(PatientAlarmEnum alarm){
        return patientAlarmCount(null,alarm);
    }

    public long monitorTotalCount(String tenantId){
        return this.baseMapper.monitorTotalCount(tenantId);
    }

    /**
     * 获取给定医院下所有的挂载多个设备的病人信息
     *
     */
    public List<PatientDeviceRepeatResult> repeatDevice() {
        List<PatientDeviceRepeatDomain> patientDeviceRepeats = this.baseMapper.selectRepeatDevice();
        Map<String, PatientDeviceRepeatResult> resultMap = new HashMap<>();
        patientDeviceRepeats.forEach(deviceRepeat->{
            PatientDeviceRepeatResult repeatResult = resultMap.computeIfAbsent(deviceRepeat.getCode()+deviceRepeat.getClinicId(),k->
                    PatientDeviceRepeatResult.of(
                            deviceRepeat.getName(),
                            deviceRepeat.getGender(),
                            deviceRepeat.getCode(),
                            deviceRepeat.getAge(),
                            deviceRepeat.getWard(),
                            deviceRepeat.getBedNo(),
                            deviceRepeat.getClinicName(),
                            deviceRepeat.getClinicId(),
                            new ArrayList<>())
            );
            List<PatientDeviceRepeatResult.DeviceRunningSmallInfo> deviceRunningSmallInfos = Optional.ofNullable(repeatResult.getDevices()).orElse(new ArrayList<>());
            deviceRunningSmallInfos.add(PatientDeviceRepeatResult.DeviceRunningSmallInfo.of(
                    deviceRepeat.getDeviceId(),
                    deviceRepeat.getDeviceAlias(),
                    deviceRepeat.getDeviceRunState(),
                    deviceRepeat.getDeviceAlarm(),
                    deviceRepeat.getInfusionStartTime(),
                    deviceRepeat.isMaster()
            ));
            repeatResult.setDevices(deviceRunningSmallInfos);
        });
        return new ArrayList<>(resultMap.values());
    }

    /**
     * 获取无设备绑定的临床手术信息
     * @return
     */
    public List<PatientDeviceNoneResult> noneDevice() {
        return this.baseMapper.selectNoneDevice();
    }

    public List<PatientMonitorResult> selectAll(PatientMonitorQuery query) {
        Page<PatientMonitorResult> page = new Page<>(0, 500, false);
        IPage<PatientMonitorResult> result = this.baseMapper.selectMonitor(page,query);
        if(CollectionUtil.isNotEmpty(result.getRecords())){
            result.getRecords().forEach(PatientMonitorResult::handleWarn);
        }
        return result.getRecords();
    }

    /**t
     * 根据医院和住院号获取一个患者
     * @param tenantId
     * @param patientCode
     * @return
     */
    public BusPatientEntity getOneByHospitalAndPatientCode(String tenantId, String patientCode) {
        BusPatientEntity patient = this.getOne(new QueryWrapper<BusPatientEntity>().lambda()
                .eq(BusPatientEntity::getTenantId,tenantId)
                .eq(BusPatientEntity::getCode,patientCode));
        // 如果患者不存在则新增一个患者
        if (Objects.isNull(patient)){
            patient = new BusPatientEntity();
            patient.setTenantId(tenantId);
            patient.setCode(patientCode);
            this.save(patient);
        }
        return patient;
    }

    /**
     *
     * 病人手动更新当前监控的临床信息
     * @param clinic
     */
    @Transactional(rollbackFor = Exception.class)
    public void manualEdit(BusClinicEntity clinic) {
        BusClinicEntity originClinicInfo = clinicService.getById(clinic.getId());
        if(originClinicInfo==null){
            throw new CustomException("该住院号临床信息不存在，请刷新后重试");
        }
        BusPatientEntity originPatientInfo = patientService.getById(originClinicInfo.getPatientId());
        if(originPatientInfo==null){
            throw new CustomException("该住院号信息不存在，请刷新后重试");
        }
        //先更新手术信息
        clinicService.updateById(clinic);
        //后更新病人信息
        BusPatientEntity patient = BusPatientEntity.of(clinic);
        PatientOperator patientOperator = patientRegistry.getOperator(patient.getTenantId(), originPatientInfo.getOriginCode());
        BusPatientEntity existPatient = this.getOne(new QueryWrapper<BusPatientEntity>().lambda().eq(BusPatientEntity::getCode, patient.getCode()).last("limit 1"));
        patient.setId(existPatient.getId());
        this.updateById(patient);
        patientOperator.setClinicId(patient.getClinicId());

        CompletableFuture.runAsync(()->{
            wsPublishUtils.publishPatientMonitor(originPatientInfo.getId(),patient.getTenantId());
        });
    }

    /**
     * 根据病号查询临床监控记录
     * @author lifang
     * @param patientId 病号id
     * @param tenantId 医院id
     * @return
     */
    public PatientMonitorResult lookMonitorByPatientCode(String patientId,String tenantId) {
        try {
            return this.baseMapper.findByPatientId(tenantId, patientId);
        } catch (Exception e) {
            log.error("根据病号查询临床失败,",e.getMessage());
            return null;
        }
    }

    /**
     * 描述: 设备状态数量统计
     * @author lifang
     * @date 2022/5/8 21:52
     * @param tenantId 医院id 用户请求时传输null
     * @return MonitorStatusStatsCountResult
     */
    public MonitorStatusStatsCountResult statusStats(String tenantId) {
        PatientMonitorQuery query = new PatientMonitorQuery();
        query.setTenantId(tenantId);
        List<PatientMonitorResult> patientMonitorResults = this.selectAll(query);
        MonitorStatusStatsCountResult result = new MonitorStatusStatsCountResult();
        if(CollectionUtil.isNotEmpty(patientMonitorResults)){
            patientMonitorResults.forEach(monitor->{
                //运行数量
                if(!Boolean.TRUE.equals(monitor.getInfusionFinished())&&
                        DeviceStatusEnum.Running.equals(monitor.getDeviceRunState())){
                    result.setRunningCount(result.getRunningCount()+1);
                }
                if((Boolean.TRUE.equals(monitor.getInfusionFinished()))||
                        (DeviceStatusEnum.Shutdown.equals(monitor.getDeviceRunState())||DeviceStatusEnum.NoSignal.equals(monitor.getDeviceRunState()))){
                    result.setWaitingFinish(result.getWaitingFinish()+1);
                }
                //报警数量
                if(!Boolean.TRUE.equals(monitor.getInfusionFinished())&&
                        monitor.getDeviceAlarm()!=null&&!monitor.getDeviceAlarm().equals(DeviceAlarmEnum.None)){
                    result.setAlarmCount(result.getAlarmCount()+1);
                }
                //提醒数量
                if(!Boolean.TRUE.equals(monitor.getInfusionFinished())&&
                        (Boolean.TRUE.equals(monitor.getWarnAnalgesicPoor())
                                ||Boolean.TRUE.equals(monitor.getWarnLowBattery())
                                ||Boolean.TRUE.equals(monitor.getWarnWillFinished())
                                ||monitor.getWarnFlow()!=null)){
                    result.setWarnCount(result.getWarnCount()+1);
                }
            });
        }
        return result;
    }

    /**
     * 描述: 按照时间对输注监控进行统计
     * @author lifang
     * @date 2022/5/8 22:40
     * @param tenantId 医院id
     * @return MonitorTimeStatsCountResult
     */
    public MonitorTimeStatsCountResult timeStats(String tenantId) {
        PatientMonitorQuery query = new PatientMonitorQuery();
        query.setTenantId(tenantId);
        List<PatientMonitorResult> patientMonitorResults = this.selectAll(query);
        MonitorTimeStatsCountResult result = new MonitorTimeStatsCountResult();
        patientMonitorResults.forEach(monitor->{
            Date startTime = monitor.getMonitorStartTime();
            if(startTime==null){
                return;
            }
            if (includeTimes(startTime, 0)) {
                result.setToday(result.getToday()+1);
                return;
            }
            if (includeTimes(startTime, -1)) {
                result.setOneDay(result.getOneDay()+1);
                return;
            }
            if (includeTimes(startTime, -2)) {
                result.setTwoDay(result.getTwoDay()+1);
                return;
            }
            if (includeTimes(startTime, -3)) {
                result.setThreeDay(result.getThreeDay()+1);
                return;
            }
            result.setBeyondThreeDay(result.getBeyondThreeDay()+1);
        });

        return result;
    }

    /**
     * 描述: 判断所给时间是否在存在于某一时间段内
     * @author lifang
     * @date 2022/5/8 22:47
     * @param time 时间
     * @param offset 时间偏移量，单位:天 以当天时间为基准进行偏移
     * @return boolean
     */
    private boolean includeTimes(Date time,int offset){
        if(time==null){
            return false;
        }
        LocalDateTime dateTime = LocalDateTime.now().plusDays(offset);
        LocalDateTime beginTime = LocalDateTimeUtil.beginOfDay(dateTime);
        LocalDateTime endTime = LocalDateTimeUtil.endOfDay(dateTime);
        return beginTime.toInstant(ZoneOffset.of("+8")).toEpochMilli()<time.getTime()
                && time.getTime()<endTime.toInstant(ZoneOffset.of("+8")).toEpochMilli();
    }

    /**
     * 切换主泵
     * @param shiftConfig 切换配置
     */
    @Transactional(rollbackFor = Exception.class)
    public void shift(DeviceShiftConfig shiftConfig) {
        String formatCode = shiftConfig.getPatientCode();
        BusPatientEntity patient = patientService.getOne(new QueryWrapper<BusPatientEntity>().lambda().eq(BusPatientEntity::getCode, formatCode));
        if(patient==null){
            throw new CustomException(String.format("住院号【%s】不存在，请刷新后重试",shiftConfig.getPatientCode()));
        }
        shiftConfig.setPatientId(patient.getId());
        PatientOperator patientOperator = patientRegistry.getOperator(shiftConfig.getTenantId(), shiftConfig.getPatientCode());
        List<String> replicaDeviceIds = shiftConfig.getReplicaDeviceIds();
        String masterDeviceId = shiftConfig.getMasterDeviceId();

        BusInfusionHistoryEntity masterInfusion = infusionHistoryService.lastInfusion(masterDeviceId);

        //病患绑定主泵信息
        this.update(new UpdateWrapper<BusPatientEntity>().lambda()
                .eq(BusPatientEntity::getCode,shiftConfig.getPatientCode())
                .eq(BusPatientEntity::getTenantId,shiftConfig.getTenantId())
                .set(BusPatientEntity::getInfusionId,masterInfusion.getId()));

        //刷新缓存信息
        replicaDeviceIds.stream()
                .map(deviceRegistry::getOperator).forEach(deviceOperator->{
            deviceOperator.setMaster(false);
        });

        patientOperator.setBindDeviceId(shiftConfig.getMasterDeviceId());
    }

    public BusPatientEntity findByFormatCode(String patientCode, String tenantId){
        return this.getOne(new QueryWrapper<BusPatientEntity>().lambda().eq(BusPatientEntity::getCode,patientCode)
                .eq(StrUtil.isNotBlank(tenantId),BusPatientEntity::getTenantId,tenantId));
    }

    public BusPatientEntity findByFormatCode(String patientCode){
        return findByFormatCode(patientCode,null);
    }
}