package com.x.processplatform.service.processing.processor.manual;

import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collection;
import java.util.Comparator;
import java.util.Date;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map.Entry;
import java.util.Objects;
import java.util.Optional;
import java.util.Set;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.stream.Collectors;
import java.util.stream.Stream;

import javax.script.Bindings;
import javax.script.CompiledScript;
import javax.script.ScriptContext;

import org.apache.commons.beanutils.PropertyUtils;
import org.apache.commons.collections4.ListUtils;
import org.apache.commons.collections4.SetUtils;
import org.apache.commons.lang3.BooleanUtils;
import org.apache.commons.lang3.ObjectUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.time.DateUtils;
import org.apache.commons.lang3.tuple.Triple;

import com.x.base.core.container.EntityManagerContainer;
import com.x.base.core.project.config.Config;
import com.x.base.core.project.logger.Logger;
import com.x.base.core.project.logger.LoggerFactory;
import com.x.base.core.project.organization.EmpowerLog;
import com.x.base.core.project.processplatform.ManualTaskIdentityMatrix;
import com.x.base.core.project.scripting.JsonScriptingExecutor;
import com.x.base.core.project.scripting.ScriptingFactory;
import com.x.base.core.project.tools.DateTools;
import com.x.base.core.project.tools.ListTools;
import com.x.base.core.project.tools.NumberTools;
import com.x.base.core.project.utils.time.WorkTime;
import com.x.processplatform.core.entity.content.Read;
import com.x.processplatform.core.entity.content.Task;
import com.x.processplatform.core.entity.content.TaskCompleted;
import com.x.processplatform.core.entity.content.Work;
import com.x.processplatform.core.entity.content.WorkLog;
import com.x.processplatform.core.entity.element.ActivityType;
import com.x.processplatform.core.entity.element.Manual;
import com.x.processplatform.core.entity.element.ManualMode;
import com.x.processplatform.core.entity.element.Route;
import com.x.processplatform.core.entity.element.util.WorkLogTree;
import com.x.processplatform.core.entity.element.util.WorkLogTree.Node;
import com.x.processplatform.core.entity.log.Signal;
import com.x.processplatform.service.processing.Business;
import com.x.processplatform.service.processing.WorkContext;
import com.x.processplatform.service.processing.processor.AeiObjects;

/**
 * @author Zhou Rui
 */
public class ManualProcessor extends AbstractManualProcessor {

    private static final Logger LOGGER = LoggerFactory.getLogger(ManualProcessor.class);

    private static final String DEPRECATED_WORK_FIELD_MANUALTASKIDENTITYLIST = "manualTaskIdentityList";

    public ManualProcessor(EntityManagerContainer entityManagerContainer) throws Exception {
        super(entityManagerContainer);
    }

    @Override
    protected Work arriving(AeiObjects aeiObjects, Manual manual) throws Exception {
        // 发送ProcessingSignal
        aeiObjects.getProcessingAttributes().push(Signal.manualArrive(aeiObjects.getWork().getActivityToken(), manual));
        // 根据manual计算出来的活动处理人
        ManualTaskIdentityMatrix manualTaskIdentityMatrix = manual
                .identitiesToManualTaskIdentityMatrix(calculateTaskIdentities(aeiObjects, manual));
        // 启用同类工作相同活动节点合并,如果有合并的工作,那么直接返回这个工作.
        Optional<Work> mergeWork = this.arrivingMergeSameJob(aeiObjects, manual, manualTaskIdentityMatrix);
        if (mergeWork.isPresent()) {
            return mergeWork.get();
        }
        this.arrivingPassSame(aeiObjects, manualTaskIdentityMatrix);
        aeiObjects.getWork().setManualTaskIdentityMatrix(manualTaskIdentityMatrix);
        return aeiObjects.getWork();
    }

    private Optional<Work> arrivingMergeSameJob(AeiObjects aeiObjects, Manual manual,
            ManualTaskIdentityMatrix manualTaskIdentityMatrix) throws Exception {
        if (!BooleanUtils.isTrue(manual.getManualMergeSameJobActivity())) {
            return Optional.empty();
        }
        List<String> exists = this.arrivingSameJobActivityExistIdentities(aeiObjects, manual);
        if (ListTools.isNotEmpty(exists)) {
            Optional<Work> other = aeiObjects.getWorks().stream()
                    .filter(o -> StringUtils.equals(aeiObjects.getWork().getJob(), o.getJob())
                            && StringUtils.equals(aeiObjects.getWork().getActivity(), o.getActivity())
                            && (!Objects.equals(aeiObjects.getWork(), o)))
                    .findFirst();
            if (other.isPresent()) {
                manualTaskIdentityMatrix.remove(exists);
                if (manualTaskIdentityMatrix.isEmpty()) {
                    this.mergeTaskCompleted(aeiObjects, aeiObjects.getWork(), other.get());
                    this.mergeRead(aeiObjects, aeiObjects.getWork(), other.get());
                    this.mergeReadCompleted(aeiObjects, aeiObjects.getWork(), other.get());
                    this.mergeReview(aeiObjects, aeiObjects.getWork(), other.get());
                    this.mergeAttachment(aeiObjects, aeiObjects.getWork(), other.get());
                    this.mergeWorkLog(aeiObjects, aeiObjects.getWork(), other.get());
                    if (ListTools.size(aeiObjects.getWork().getSplitTokenList()) > ListTools
                            .size(other.get().getSplitTokenList())) {
                        other.get().setSplitTokenList(aeiObjects.getWork().getSplitTokenList());
                        other.get().setSplitToken(aeiObjects.getWork().getSplitToken());
                        other.get().setSplitValue(aeiObjects.getWork().getSplitValue());
                        other.get().setSplitting(true);
                    }
                    aeiObjects.getUpdateWorks().add(other.get());
                    aeiObjects.getDeleteWorks().add(aeiObjects.getWork());
                    return other;
                }
            }
        }
        return Optional.empty();
    }

    private void arrivingPassSame(AeiObjects aeiObjects, ManualTaskIdentityMatrix matrix) throws Exception {
        // 查找是否有passSameTarget设置
        if (BooleanUtils.isTrue(aeiObjects.getProcessingAttributes().ifForceJoinAtArrive())) {
            return;
        }
        Optional<Route> route = aeiObjects.getRoutes().stream().filter(o -> BooleanUtils.isTrue(o.getPassSameTarget()))
                .findFirst();
        // 如果有passSameTarget,有到达ArriveWorkLog,不是调度到这个节点的
        if (route.isPresent() && (null != aeiObjects.getArriveWorkLog(aeiObjects.getWork()))) {
            Optional<WorkLog> optional = findPassSameTargetWorkLog(aeiObjects);
            if (optional.isEmpty()) {
                return;
            }
            LOGGER.debug("pass same target work:{}, workLog:{}.", aeiObjects::getWork, optional.get()::toString);
            List<String> identities = matrix.flat();
            aeiObjects.getJoinInquireTaskCompletedsWithActivityToken(optional.get().getFromActivityToken()).stream()
                    .forEach(o -> {
                        try {
                            List<String> values = ListUtils.intersection(identities,
                                    aeiObjects.business().organization().identity().listWithPerson(o.getPerson()));
                            if (!values.isEmpty()) {
                                TaskCompleted taskCompleted = arrivingPassSameCreateTaskCompleted(aeiObjects,
                                        route.get(), o, values.get(0));
                                aeiObjects.getCreateTaskCompleteds().add(taskCompleted);
                                matrix.completed(values);
                            }
                        } catch (Exception e) {
                            LOGGER.error(e);
                        }
                    });
        }
    }

    private TaskCompleted arrivingPassSameCreateTaskCompleted(AeiObjects aeiObjects, Route route, TaskCompleted o,
            String identity) throws Exception {
        TaskCompleted taskCompleted = new TaskCompleted(aeiObjects.getWork(), route, o);
        taskCompleted.setIdentity(identity);
        taskCompleted.setUnit(aeiObjects.business().organization().unit().getWithIdentity(taskCompleted.getIdentity()));
        taskCompleted.setProcessingType(TaskCompleted.PROCESSINGTYPE_SAMETARGET);
        taskCompleted.setRouteName(route.getName());
        taskCompleted.setOpinion(route.getOpinion());
        Date now = new Date();
        taskCompleted.setStartTime(now);
        taskCompleted.setStartTimeMonth(DateTools.format(now, DateTools.format_yyyyMM));
        taskCompleted.setCompletedTime(now);
        taskCompleted.setCompletedTimeMonth(DateTools.format(now, DateTools.format_yyyyMM));
        taskCompleted.setDuration(0L);
        taskCompleted.setExpired(false);
        taskCompleted.setExpireTime(null);
        taskCompleted.setTask(null);
        taskCompleted.setLatest(true);
        return taskCompleted;
    }

    // 计算处理人
    private List<String> calculateTaskIdentities(AeiObjects aeiObjects, Manual manual) throws Exception {
        TaskIdentities taskIdentities = new TaskIdentities();
        // 先计算强制处理人
        if (!aeiObjects.getWork().getProperties().getManualForceTaskIdentityList().isEmpty()) {
            List<String> identities = new ArrayList<>();
            identities.addAll(aeiObjects.getWork().getProperties().getManualForceTaskIdentityList());
            identities = aeiObjects.business().organization().identity().list(identities);
            if (ListTools.isNotEmpty(identities)) {
                taskIdentities.addIdentities(identities);
            }
        }
        // 计算退回的结果
        if (taskIdentities.isEmpty()) {
            Route route = aeiObjects.business().element().get(aeiObjects.getWork().getDestinationRoute(), Route.class);
            if ((null != route) && (StringUtils.equals(route.getType(), Route.TYPE_BACK))) {
                calculateRouteTypeBack(aeiObjects, manual, taskIdentities);
            }
        }
        if (taskIdentities.isEmpty()) {
            taskIdentities = TranslateTaskIdentityTools.translate(aeiObjects, manual);
            this.ifTaskIdentitiesEmptyForceToCreatorOrMaintenance(aeiObjects, manual, taskIdentities);
            // 处理授权
            this.writeToEmpowerMap(aeiObjects, taskIdentities);
        }
        return taskIdentities.identities();
    }

    private void calculateRouteTypeBack(AeiObjects aeiObjects, Manual manual, TaskIdentities taskIdentities)
            throws Exception {
        List<String> identities = new ArrayList<>();
        List<WorkLog> workLogs = Stream
                .concat(Stream.concat(aeiObjects.getUpdateWorkLogs().stream(), aeiObjects.getCreateWorkLogs().stream()),
                        aeiObjects.getWorkLogs().stream())
                .distinct().collect(Collectors.toList());
        WorkLogTree tree = new WorkLogTree(workLogs);
        Node node = tree.location(aeiObjects.getWork());
        if (null != node) {
            calculateRouteTypeBackIdentityByTaskCompleted(aeiObjects, manual, taskIdentities, identities, tree, node);
        }
    }

    private void calculateRouteTypeBackIdentityByTaskCompleted(AeiObjects aeiObjects, Manual manual,
            TaskIdentities taskIdentities, List<String> identities, WorkLogTree tree, Node node) throws Exception {
        for (Node n : tree.up(node)) {
            if (StringUtils.equals(manual.getId(), n.getWorkLog().getFromActivity())) {
                for (TaskCompleted t : aeiObjects.getTaskCompleteds()) {
                    if (StringUtils.equals(n.getWorkLog().getFromActivityToken(), t.getActivityToken())
                            && BooleanUtils.isTrue(t.getJoinInquire())) {
                        identities.add(t.getIdentity());
                    }
                }
                break;
            }
        }
        identities = aeiObjects.business().organization().identity().list(identities);
        if (ListTools.isNotEmpty(identities)) {
            taskIdentities.addIdentities(identities);
        }
    }

    /**
     * 如果没能计算到活动处理人,先判断人员活动是否有设置人员,如果有那么先返回工作创建者,再按照流程维护人,应用维护人,工作创建者,平台维护人顺序查找处理人
     * 
     * @param aeiObjects
     * @param manual
     * @param taskIdentities
     * @throws Exception
     */
    private void ifTaskIdentitiesEmptyForceToCreatorOrMaintenance(AeiObjects aeiObjects, Manual manual,
            TaskIdentities taskIdentities) throws Exception {
        if (taskIdentities.isEmpty()) {
            String identity = null;
            if (!ifManualAssignTaskIdentity(manual)) {
                identity = aeiObjects.business().organization().identity()
                        .get(aeiObjects.getWork().getCreatorIdentity());
            }
            if (StringUtils.isEmpty(identity)
                    && StringUtils.isNotBlank(aeiObjects.getProcess().getMaintenanceIdentity())) {
                identity = aeiObjects.business().organization().identity()
                        .get(aeiObjects.getProcess().getMaintenanceIdentity());
            }
            if (StringUtils.isEmpty(identity)
                    && StringUtils.isNotBlank(aeiObjects.getApplication().getMaintenanceIdentity())) {
                identity = aeiObjects.business().organization().identity()
                        .get(aeiObjects.getApplication().getMaintenanceIdentity());
            }
            if (StringUtils.isEmpty(identity)) {
                identity = aeiObjects.business().organization().identity()
                        .get(aeiObjects.getWork().getCreatorIdentity());
            }
            if (StringUtils.isEmpty(identity)
                    && StringUtils.isNotBlank(Config.processPlatform().getMaintenanceIdentity())) {
                identity = aeiObjects.business().organization().identity()
                        .get(Config.processPlatform().getMaintenanceIdentity());
            }
            if (StringUtils.isEmpty(identity)) {
                throw new ExceptionExpectedEmpty(aeiObjects.getWork().getTitle(), aeiObjects.getWork().getId(),
                        aeiObjects.getActivity().getName(), aeiObjects.getActivity().getId());
            }
            taskIdentities.addIdentity(identity);
        }
    }

    /**
     * 判读是否在活动中制定了处理人,这里没有对脚本的注解和空行进行判断
     * 
     * @param manual
     * @return
     */
    private boolean ifManualAssignTaskIdentity(Manual manual) {
        /* 指定了的身份 */
        if (ListTools.isNotEmpty(manual.getTaskIdentityList())) {
            return true;
        }
        /* 选择了职务 */
        if (StringUtils.isNotBlank(manual.getTaskDuty())) {
            return true;
        }
        /* 指定data数据路径值 */
        if (ListTools.isNotEmpty(manual.getTaskDataPathList())) {
            return true;
        }
        /* 使用脚本计算 */
        if (StringUtils.isNotEmpty(manual.getTaskScript())) {
            return true;
        } else {
            if (StringUtils.isNotEmpty(manual.getTaskScriptText())) {
                String clean = manual.getTaskScriptText().replaceAll("/\\*[^*]*(?:\\*(?!/)[^*]*)*\\*/|//.*", "");
                clean = StringUtils.trimToEmpty(clean);
                if (StringUtils.isNotBlank(clean)) {
                    return true;
                }
            }
        }
        /* 指定处理组织 */
        if (ListTools.isNotEmpty(manual.getTaskUnitList())) {
            return true;
        }
        /* 指定处理群组 */
        return (ListTools.isNotEmpty(manual.getTaskGroupList()));
    }

    // 更新授权,通过surface创建且workThroughManual=false 代表是草稿,那么不需要授权.

    private void writeToEmpowerMap(AeiObjects aeiObjects, TaskIdentities taskIdentities) throws Exception {
        // 先清空EmpowerMap
        aeiObjects.getWork().getProperties().setManualEmpowerMap(new LinkedHashMap<>());
        if (!(StringUtils.equals(aeiObjects.getWork().getWorkCreateType(), Work.WORKCREATETYPE_SURFACE)
                && BooleanUtils.isFalse(aeiObjects.getWork().getWorkThroughManual()))) {
            List<String> values = taskIdentities.identities();
            values = ListUtils.subtract(values, aeiObjects.getProcessingAttributes().getIgnoreEmpowerIdentityList());
            taskIdentities.empower(aeiObjects.business().organization().empower().listWithIdentityObject(
                    aeiObjects.getWork().getApplication(), aeiObjects.getProcess().getEdition(),
                    aeiObjects.getWork().getProcess(), aeiObjects.getWork().getId(), values));
            for (TaskIdentity taskIdentity : taskIdentities) {
                if (StringUtils.isNotEmpty(taskIdentity.getFromIdentity())) {
                    aeiObjects.getWork().getProperties().getManualEmpowerMap().put(taskIdentity.getIdentity(),
                            taskIdentity.getFromIdentity());
                }
            }
        }
    }

    private Optional<WorkLog> findPassSameTargetWorkLog(AeiObjects aeiObjects) throws Exception {
        WorkLog workLog = aeiObjects.getArriveWorkLog(aeiObjects.getWork());
        if (null == workLog) {
            return Optional.empty();
        }
        WorkLogTree tree = new WorkLogTree(aeiObjects.getWorkLogs());

        List<WorkLog> list = new ArrayList<>();
        list.add(workLog);
        list.addAll(tree.parents(workLog));
        LOGGER.debug("pass same target rollback parents:{}.", list::toString);
        for (WorkLog o : list) {
            // choice, agent, invoke, service, delay, embed, split, parallel 继续向上查找manual
            ActivityType activityType = o.getFromActivityType();
            if (Objects.equals(ActivityType.begin, activityType)
                    || Objects.equals(ActivityType.cancel, activityType)
                    || Objects.equals(ActivityType.end, activityType)
                    || Objects.equals(ActivityType.merge, activityType)) {
            } else if (Objects.equals(ActivityType.manual, activityType)) {
                return Optional.of(o);
            }
        }
        return Optional.empty();
    }

    @Override
    protected void arrivingCommitted(AeiObjects aeiObjects, Manual manual) throws Exception {
        // nothing
    }

    @Override
    protected List<Work> executing(AeiObjects aeiObjects, Manual manual) throws Exception {
        List<Work> results = new ArrayList<>();
        ManualTaskIdentityMatrix matrix = executingManualTaskIdentityMatrix(aeiObjects, manual);
        List<TaskCompleted> taskCompleteds = aeiObjects.getJoinInquireTaskCompletedsRouteNameAvailableWithActivityToken(
                aeiObjects.getWork().getActivityToken());
        executingCompletedIdentityInTaskCompleteds(aeiObjects, matrix, taskCompleteds);

        // 发送ProcessingSignal
        aeiObjects.getProcessingAttributes().push(Signal.manualExecute(aeiObjects.getWork().getActivityToken(), manual,
                Objects.toString(manual.getManualMode(), ""), matrix.flat()));
        if (matrix.isEmpty() && (!taskCompleteds.isEmpty())) {
            results.add(aeiObjects.getWork());
            aeiObjects.getTasks().stream().filter(
                    t -> StringUtils.equalsIgnoreCase(t.getActivityToken(), aeiObjects.getWork().getActivityToken()))
                    .forEach(aeiObjects::deleteTask);
        } else {
            switch (manual.getManualMode()) {
                case parallel:
                    this.parallel(aeiObjects, manual, matrix, taskCompleteds);
                    break;
                case queue:
                    this.queue(aeiObjects, manual, matrix, taskCompleteds);
                    break;
                case grab:
                case single:
                default:
                    this.single(aeiObjects, manual, matrix, taskCompleteds);
            }
            // 可能在处理过程中删除了所有的待办,比如有优先路由
            if (matrix.isEmpty()) {
                results.add(aeiObjects.getWork());
            }
        }
        aeiObjects.getWork().setManualTaskIdentityMatrix(matrix);
        return results;
    }

//	/**
//	 * 获取当前参与流转的已办,同时过滤路由决策在路由中的已办.
//	 * 
//	 * @param aeiObjects
//	 * @return
//	 * @throws Exception
//	 */
//	private List<TaskCompleted> executingJoinInquireCheckRouteNameTaskCompleteds(AeiObjects aeiObjects)
//			throws Exception {
//		List<TaskCompleted> taskCompleteds = aeiObjects
//				.getJoinInquireTaskCompletedsWithActivityToken(aeiObjects.getWork().getActivityToken());
//		List<String> routeNames = aeiObjects.getRoutes().stream().map(Route::getName).collect(Collectors.toList());
//		taskCompleteds = taskCompleteds.stream().filter(t -> routeNames.contains(t.getRouteName()))
//				.collect(Collectors.toList());
//		return taskCompleteds;
//	}

    @SuppressWarnings("unchecked")
    @Deprecated(forRemoval = true, since = "8.0")
    private ManualTaskIdentityMatrix executingManualTaskIdentityMatrix(AeiObjects aeiObjects, Manual manual)
            throws Exception {
        ManualTaskIdentityMatrix matrix = aeiObjects.getWork().getManualTaskIdentityMatrix();
        List<String> exists = matrix.flat();
        matrix.remove(ListUtils.subtract(exists, aeiObjects.business().organization().identity().list(exists)));
        if (matrix.isEmpty()) {
            List<String> identities = new ArrayList<>();
            // 兼容7.2.0之前的版本
            List<String> deprecatedIdentities = new ArrayList<>();
            if (PropertyUtils.isReadable(aeiObjects.getWork(), DEPRECATED_WORK_FIELD_MANUALTASKIDENTITYLIST)) {
                deprecatedIdentities.addAll((List<String>) PropertyUtils.getProperty(aeiObjects.getWork(),
                        DEPRECATED_WORK_FIELD_MANUALTASKIDENTITYLIST));
                identities.addAll(deprecatedIdentities);
                identities = aeiObjects.business().organization().identity().list(identities);
            }
            if (identities.isEmpty() && aeiObjects.getJoinInquireTaskCompletedsRouteNameAvailableWithActivityToken(
                    aeiObjects.getWork().getActivityToken()).isEmpty()) {
                identities = calculateTaskIdentities(aeiObjects, manual);
                LOGGER.info("工作设置的处理人 {} 已经全部无效, 且没有已办, 重新计算当前环节所有处理人进行处理, 标题:{}, id:{}, 强制设置的处理人:{}.",
                        () -> StringUtils.join(deprecatedIdentities), aeiObjects.getWork()::getTitle,
                        aeiObjects.getWork()::getId, identities::toString);
            }
            matrix = manual.identitiesToManualTaskIdentityMatrix(identities);
        }
        // 重新绑定到对象上.
        aeiObjects.getWork().setManualTaskIdentityMatrix(matrix);
        return matrix;
    }

    private void executingCompletedIdentityInTaskCompleteds(AeiObjects aeiObjects, ManualTaskIdentityMatrix matrix,
            List<TaskCompleted> taskCompleteds) throws Exception {
        if (!matrix.isEmpty()) {
            List<String> identities = matrix.flat();
            List<String> people = ListTools.extractProperty(taskCompleteds, TaskCompleted.person_FIELDNAME,
                    String.class, true, true);
            taskCompleteds.stream().forEach(o -> identities.removeAll(matrix.completed(o.getIdentity())));
            if (!identities.isEmpty()) {
                aeiObjects.business().organization().person().listPairIdentity(identities).stream().forEach(p -> {
                    if (people.contains(p.getPerson())) {
                        matrix.completed(p.getIdentity());
                    }
                });
            }
        }
    }

    @Override
    protected void executingCommitted(AeiObjects aeiObjects, Manual manual, List<Work> works) throws Exception {
        // Manual Work 还没有处理完 发生了停留,出发了停留事件
        if ((ListTools.isEmpty(works)) && (!aeiObjects.getCreateTasks().isEmpty())) {
            boolean hasManualStayScript = this.hasManualStayScript(manual);
            boolean processHasManualStayScript = this.hasManualStayScript(aeiObjects.getProcess());
            if (hasManualStayScript || processHasManualStayScript) {
                ScriptContext scriptContext = aeiObjects.scriptContext();
                Bindings bindings = scriptContext.getBindings(ScriptContext.ENGINE_SCOPE);
                WorkContext workContext = (WorkContext) bindings.get(ScriptingFactory.BINDING_NAME_WORKCONTEXT);
                // 只有一条待办绑定到task
                if (aeiObjects.getCreateTasks().size() == 1) {
                    workContext.bindTask(aeiObjects.getCreateTasks().get(0));
                }
                if (processHasManualStayScript) {
                    JsonScriptingExecutor
                            .eval(aeiObjects.business().element().getCompiledScript(aeiObjects.getApplication().getId(),
                                    aeiObjects.getProcess(), Business.EVENT_MANUALSTAY), scriptContext);
                }
                if (hasManualStayScript) {
                    JsonScriptingExecutor
                            .eval(aeiObjects.business().element().getCompiledScript(aeiObjects.getApplication().getId(),
                                    aeiObjects.getActivity(), Business.EVENT_MANUALSTAY), scriptContext);
                }
                // 解除绑定
                workContext.bindTask(null);
            }
        }
    }

    @Override
    protected List<Route> inquiring(AeiObjects aeiObjects, Manual manual) throws Exception {
        // 发送ProcessingSignal
        aeiObjects.getProcessingAttributes()
                .push(Signal.manualInquire(aeiObjects.getWork().getActivityToken(), manual));
        List<Route> results = new ArrayList<>();
        // 仅有单条路由
        if (aeiObjects.getRoutes().size() == 1) {
            results.add(aeiObjects.getRoutes().get(0));
        } else if (aeiObjects.getRoutes().size() > 1) {
            // 存在多条路由
            Collection<String> routeNames = aeiObjects.getRoutes().stream().map(Route::getName)
                    .collect(Collectors.toSet());
            List<TaskCompleted> taskCompleteds = aeiObjects
                    .getJoinInquireTaskCompletedsWithActivityToken(aeiObjects.getWork().getActivityToken()).stream()
                    .filter(t -> routeNames.contains(t.getRouteName())).collect(Collectors.toList());
            String name = this.choiceRouteName(taskCompleteds, aeiObjects.getRoutes(), manual);
            Optional<Route> optional = aeiObjects.getRoutes().stream()
                    .filter(r -> StringUtils.equalsIgnoreCase(name, r.getName())).findFirst();
            if (optional.isPresent()) {
                results.add(optional.get());
            }
        } else {
            throw new ExceptionManualNotRoute(manual.getId());
        }
        if (!results.isEmpty()) {
            // 清理掉强制的指定的处理人
            aeiObjects.getWork().getProperties().setManualForceTaskIdentityList(new ArrayList<>());
        }
        return results;
    }

    /**
     * 判断的逻辑如下:
     * 1.是否有用户选择了"直接返回优先路由(soleDirect)",同时判断该值是否在路由列表中(可能修改路由名称),如果有就直接返回该值.
     * 2.是否有用户选择了"优先路由(sole)",同时判断该值是否在路由列表中(可能修改路由名称),如果有就直接返回该值.
     * 3.如果没有soleDirect或者sole被选择,那么根据活动类型进行判断,如果是并行活动(parallel)那么选择最多的路由决策,如果有多个路由决策同样数量,那么选择时间上最晚的那组,如果是single(单人),queue(串行),grab(抢办)那么最后的路由决策作为返回值(需要判断是否在路由列表中).
     * 
     * @param taskCompleteds 按创建时间正序排列好的已办
     * @param manual         人工活动节点
     * @param routes         离开活动节点的路由列表
     * @return 路由名称
     * @throws Exception
     */
    private String choiceRouteName(List<TaskCompleted> taskCompleteds, List<Route> routes, Manual manual)
            throws Exception {
        final Triple<List<TaskCompleted>, List<Route>, Manual> triple = Triple.of(taskCompleteds, routes, manual);
        Optional<String> optional = Stream
                .<Function<Triple<List<TaskCompleted>, List<Route>, Manual>, Optional<String>>>of(
                        this::chooseSoleDirectIfExist, this::chooseSoleIfExist, this::chooseMaxCountOrLatest)
                .map(f -> f.apply(triple)).filter(Optional::isPresent).findFirst().orElse(Optional.empty());
        if (optional.isPresent()) {
            return optional.get();
        } else {
            throw new ExceptionChoiceRouteNameError(ListTools.extractProperty(taskCompleteds,
                    TaskCompleted.routeName_FIELDNAME, String.class, false, false));
        }
    }

    /**
     * 判断是否有选择了直接返回优先路由的路由决策被选择,如果有就直接返回该路由名称,这里的遍历顺序需要保持正序,先选择先执行.
     * 
     * @param list
     * @param routes
     * @return
     */

    private Optional<String> chooseSoleDirectIfExist(final Triple<List<TaskCompleted>, List<Route>, Manual> triple) {
        return chooseIfExist(triple, r -> BooleanUtils.isTrue(r.getSoleDirect()));
    }

    /**
     * 判断是否有选择了优先路由的路由决策被选择,如果有就直接返回该路由名称,这里的遍历顺序需要保持正序,先选择先执行.
     * 
     * @param list
     * @param routes
     * @return
     */
    private Optional<String> chooseSoleIfExist(final Triple<List<TaskCompleted>, List<Route>, Manual> triple) {
        return chooseIfExist(triple, r -> BooleanUtils.isTrue(r.getSole()));
    }

    private Optional<String> chooseIfExist(final Triple<List<TaskCompleted>, List<Route>, Manual> triple,
            final Predicate<Route> predicate) {
        final List<TaskCompleted> taskCompleteds = triple.getLeft();
        final List<Route> routes = triple.getMiddle();
        final Collection<String> names = routes.stream().filter(predicate).map(Route::getName)
                .collect(Collectors.toSet());
        return taskCompleteds.stream().map(TaskCompleted::getRouteName).filter(names::contains).findFirst();
    }

    /**
     * 已办中获取数量最多的路由决策,如果有组路由决策数量一样多,那么选择时间上最后被选择的路由决策,获取后需要进行判断是否在routes列表中
     * 
     * @param list
     * @param routes
     * @return
     * @throws Exception
     */
    private Optional<String> chooseMaxCountOrLatest(Triple<List<TaskCompleted>, List<Route>, Manual> triple) {
        if (!Objects.equals(ManualMode.parallel, triple.getRight().getManualMode())) {
            return triple.getLeft().stream().sorted(Comparator.comparing(TaskCompleted::getCreateTime).reversed())
                    .findFirst().map(TaskCompleted::getRouteName);
        }
        return triple.getLeft().stream().collect(Collectors.groupingBy(TaskCompleted::getRouteName)).entrySet().stream()
                .max((o1, o2) -> {
                    int c = o1.getValue().size() - o2.getValue().size();
                    if (c == 0) {
                        return ObjectUtils.compare(
                                o1.getValue().stream().mapToLong(t -> t.getCreateTime().getTime()).max().getAsLong(),
                                o2.getValue().stream().mapToLong(t -> t.getCreateTime().getTime()).max().getAsLong());
                    } else {
                        return c;
                    }
                }).map(Entry::getKey);
    }

    // 是否有优先路由
    private void single(AeiObjects aeiObjects, Manual manual, ManualTaskIdentityMatrix matrix,
            List<TaskCompleted> taskCompleteds) throws Exception {
        if (soleDirect(aeiObjects, taskCompleteds)) {
            matrix.clear();
            aeiObjects.getTasks().stream().filter(
                    t -> StringUtils.equalsIgnoreCase(t.getActivityToken(), aeiObjects.getWork().getActivityToken()))
                    .forEach(aeiObjects::deleteTask);
        } else {
            task(aeiObjects, manual, matrix.read());
        }
    }

    private void parallel(AeiObjects aeiObjects, Manual manual, ManualTaskIdentityMatrix matrix,
            List<TaskCompleted> taskCompleteds) throws Exception {
        // 是否有优先路由
        if (soleDirect(aeiObjects, taskCompleteds)) {
            matrix.clear();
            aeiObjects.getTasks().stream().filter(
                    t -> StringUtils.equalsIgnoreCase(t.getActivityToken(), aeiObjects.getWork().getActivityToken()))
                    .forEach(aeiObjects::deleteTask);
        } else {
            task(aeiObjects, manual, matrix.flat());
        }
    }

    private void queue(AeiObjects aeiObjects, Manual manual, ManualTaskIdentityMatrix matrix,
            List<TaskCompleted> taskCompleteds) throws Exception {
        if (soleDirect(aeiObjects, taskCompleteds)) {
            matrix.clear();
            aeiObjects.getTasks().stream().filter(
                    t -> StringUtils.equalsIgnoreCase(t.getActivityToken(), aeiObjects.getWork().getActivityToken()))
                    .forEach(aeiObjects::deleteTask);
        } else {
            task(aeiObjects, manual, matrix.read());
        }
    }

    /**
     * 存在优先路由,如果有人选择了优先路由那么直接流转.需要判断是否启用了soleDirect,允许存在多个优先路由
     * 
     * @param aeiObjects
     * @param taskCompleteds
     * @return
     * @throws Exception
     */
    private boolean soleDirect(AeiObjects aeiObjects, List<TaskCompleted> taskCompleteds) throws Exception {
        final List<String> soleRouteNames = aeiObjects.getRoutes().stream()
                .filter(r -> BooleanUtils.isTrue(r.getSoleDirect()))
                .map(Route::getName).collect(Collectors.toList());
        if (!soleRouteNames.isEmpty()) {
            Optional<TaskCompleted> taskCompleted = taskCompleteds.stream()
                    .filter(t -> soleRouteNames.contains(t.getRouteName())).findFirst();
            if (taskCompleted.isPresent()) {
                return true;
            }
        }
        return false;
    }

    private void task(AeiObjects aeiObjects, Manual manual, List<String> identities) throws Exception {
        String activityToken = aeiObjects.getWork().getActivityToken();
        final Set<String> routeNameSet = new HashSet<>(
                aeiObjects.getRoutes().stream().map(Route::getName).collect(Collectors.toList()));
        aeiObjects.getTasks().stream().filter(t -> StringUtils.equalsIgnoreCase(t.getActivityToken(), activityToken))
                .forEach(t -> {
                    if (!identities.contains(t.getIdentity())) {
                        // 不在处理身份中
                        LOGGER.warn("delete a task whose identity does not match, id:{}, identity:{}.", t::getId,
                                t::getIdentity);
                        aeiObjects.deleteTask(t);
                    } else if (!SetUtils.isEqualSet(routeNameSet, new HashSet<>(t.getRouteNameList()))) {
                        // 路由名称发生变化.
                        LOGGER.warn(
                                "update a task whose route name does not match, id:{}, route name:{}, expected route name:{}.",
                                t::getId,
                                () -> StringUtils.join(t.getRouteNameList()), () -> StringUtils.join(routeNameSet));
                        try {
                            aeiObjects.getUpdateTasks().add(t.updateRoute(aeiObjects.getRoutes()));
                            identities.remove(t.getIdentity());
                        } catch (Exception e) {
                            LOGGER.error(e);
                        }
                    } else {
                        identities.remove(t.getIdentity());
                    }
                });
        identities.stream().forEach(o -> {
            try {
                aeiObjects.createTask(this.createTask(aeiObjects, manual, o));
            } catch (Exception e) {
                LOGGER.error(e);
            }
        });
    }

    @Override
    protected void inquiringCommitted(AeiObjects aeiObjects, Manual manual) throws Exception {
        // nothing
    }

    private void calculateExpire(AeiObjects aeiObjects, Manual manual, Task task) throws Exception {
        if (null != manual.getTaskExpireType()) {
            switch (manual.getTaskExpireType()) {
                case never:
                    this.expireNever(task);
                    break;
                case appoint:
                    this.expireAppoint(manual, task);
                    break;
                case script:
                    this.expireScript(aeiObjects, manual, task);
                    break;
                default:
                    break;
            }
        }
        // 如果work有截至时间
        if (null != aeiObjects.getWork().getExpireTime()) {
            if (null == task.getExpireTime()) {
                task.setExpireTime(aeiObjects.getWork().getExpireTime());
            } else {
                if (task.getExpireTime().after(aeiObjects.getWork().getExpireTime())) {
                    task.setExpireTime(aeiObjects.getWork().getExpireTime());
                }
            }
        }
        // 已经有过期时间了,那么设置催办时间
        if (null != task.getExpireTime()) {
            task.setUrgeTime(DateUtils.addHours(task.getExpireTime(), -2));
        } else {
            task.setExpired(false);
            task.setUrgeTime(null);
            task.setUrged(false);
        }
    }

    // 从不过期
    private void expireNever(Task task) {
        task.setExpireTime(null);
    }

    private void expireAppoint(Manual manual, Task task) throws Exception {
        if (BooleanUtils.isTrue(manual.getTaskExpireWorkTime())) {
            this.expireAppointWorkTime(task, manual);
        } else {
            this.expireAppointNaturalDay(task, manual);
        }
    }

    private void expireAppointWorkTime(Task task, Manual manual) throws Exception {
        Integer m = 0;
        WorkTime wt = Config.workTime();
        if (BooleanUtils.isTrue(NumberTools.greaterThan(manual.getTaskExpireDay(), 0))) {
            m += manual.getTaskExpireDay() * wt.minutesOfWorkDay();
        }
        if (BooleanUtils.isTrue(NumberTools.greaterThan(manual.getTaskExpireHour(), 0))) {
            m += manual.getTaskExpireHour() * 60;
        }
        if (m > 0) {
            Date expire = wt.forwardMinutes(new Date(), m);
            task.setExpireTime(expire);
        } else {
            task.setExpireTime(null);
        }
    }

    private void expireAppointNaturalDay(Task task, Manual manual) {
        Integer m = 0;
        if (BooleanUtils.isTrue(NumberTools.greaterThan(manual.getTaskExpireDay(), 0))) {
            m += manual.getTaskExpireDay() * 60 * 24;
        }
        if (BooleanUtils.isTrue(NumberTools.greaterThan(manual.getTaskExpireHour(), 0))) {
            m += manual.getTaskExpireHour() * 60;
        }
        if (m > 0) {
            Calendar cl = Calendar.getInstance();
            cl.add(Calendar.MINUTE, m);
            task.setExpireTime(cl.getTime());
        } else {
            task.setExpireTime(null);
        }
    }

    private void expireScript(AeiObjects aeiObjects, Manual manual, Task task) throws Exception {
        ExpireScriptResult expire = new ExpireScriptResult();
        ScriptContext scriptContext = aeiObjects.scriptContext();
        CompiledScript cs = aeiObjects.business().element().getCompiledScript(aeiObjects.getWork().getApplication(),
                manual, Business.EVENT_MANUALTASKEXPIRE);
        scriptContext.getBindings(ScriptContext.ENGINE_SCOPE).put(ScriptingFactory.BINDING_NAME_EXPIRE, expire);
        JsonScriptingExecutor.eval(cs, scriptContext, ExpireScriptResult.class, o -> {
            if (null != o) {
                expire.setDate(o.getDate());
                expire.setHour(o.getHour());
                expire.setWorkHour(o.getWorkHour());
            }
        });
        if (BooleanUtils.isTrue(NumberTools.greaterThan(expire.getWorkHour(), 0))) {
            Integer m = 0;
            m += expire.getWorkHour() * 60;
            if (m > 0) {
                task.setExpireTime(Config.workTime().forwardMinutes(new Date(), m));
            } else {
                task.setExpireTime(null);
            }
        } else if (BooleanUtils.isTrue(NumberTools.greaterThan(expire.getHour(), 0))) {
            Integer m = 0;
            m += expire.getHour() * 60;
            if (m > 0) {
                Calendar cl = Calendar.getInstance();
                cl.add(Calendar.MINUTE, m);
                task.setExpireTime(cl.getTime());
            } else {
                task.setExpireTime(null);
            }
        } else if (null != expire.getDate()) {
            task.setExpireTime(expire.getDate());
        } else {
            task.setExpireTime(null);
        }
    }

    private Task createTask(AeiObjects aeiObjects, Manual manual, String identity) throws Exception {
        String fromIdentity = aeiObjects.getWork().getProperties().getManualEmpowerMap().get(identity);
        String person = aeiObjects.business().organization().person().getWithIdentity(identity);
        String unit = aeiObjects.business().organization().unit().getWithIdentity(identity);
        Task task = new Task(aeiObjects.getWork(), identity, person, unit, fromIdentity, new Date(), null,
                aeiObjects.getRoutes(), manual.getAllowRapid());
        // 是第一条待办,进行标记，调度过的待办都标记为非第一个待办
        if (BooleanUtils.isTrue(aeiObjects.getProcessingAttributes().getForceJoinAtArrive())) {
            task.setFirst(false);
        } else {
            task.setFirst(ListTools.isEmpty(aeiObjects.getJoinInquireTaskCompleteds()));
        }
        this.calculateExpire(aeiObjects, manual, task);
        if (StringUtils.isNotEmpty(fromIdentity)) {
            aeiObjects.business().organization().empowerLog()
                    .log(this.createEmpowerLog(aeiObjects.getWork(), fromIdentity, identity));
            String fromPerson = aeiObjects.business().organization().person().getWithIdentity(fromIdentity);
            String fromUnit = aeiObjects.business().organization().unit().getWithIdentity(fromIdentity);
            TaskCompleted empowerTaskCompleted = new TaskCompleted(aeiObjects.getWork());
            empowerTaskCompleted.setProcessingType(TaskCompleted.PROCESSINGTYPE_EMPOWER);
            empowerTaskCompleted.setIdentity(fromIdentity);
            empowerTaskCompleted.setUnit(fromUnit);
            empowerTaskCompleted.setPerson(fromPerson);
            empowerTaskCompleted.setEmpowerToIdentity(identity);
            aeiObjects.createTaskCompleted(empowerTaskCompleted);
            Read empowerRead = new Read(aeiObjects.getWork(), fromIdentity, fromUnit, fromPerson);
            aeiObjects.createRead(empowerRead);
        }
        return task;
    }

    private EmpowerLog createEmpowerLog(Work work, String fromIdentity, String toIdentity) {
        return new EmpowerLog().setApplication(work.getApplication()).setApplicationAlias(work.getApplicationAlias())
                .setApplicationName(work.getApplicationName()).setProcess(work.getProcess())
                .setProcessAlias(work.getProcessAlias()).setProcessName(work.getProcessName()).setTitle(work.getTitle())
                .setWork(work.getId()).setJob(work.getJob()).setFromIdentity(fromIdentity).setToIdentity(toIdentity)
                .setActivity(work.getActivity()).setActivityAlias(work.getActivityAlias())
                .setActivityName(work.getActivityName()).setEmpowerTime(new Date());
    }

    private List<String> arrivingSameJobActivityExistIdentities(AeiObjects aeiObjects, Manual manual) throws Exception {
        List<String> exists = new ArrayList<>();
        aeiObjects.getTasks().stream()
                .filter(o -> StringUtils.equals(o.getActivity(), manual.getId())
                        && StringUtils.equals(o.getJob(), aeiObjects.getWork().getJob()))
                .forEach(o -> exists.add(o.getIdentity()));
        return exists;
    }

    public class ExpireScriptResult {
        Integer hour;
        Integer workHour;
        Date date;

        public Integer getHour() {
            return hour;
        }

        public void setHour(Integer hour) {
            this.hour = hour;
        }

        public Integer getWorkHour() {
            return workHour;
        }

        public void setWorkHour(Integer workHour) {
            this.workHour = workHour;
        }

        public Date getDate() {
            return date;
        }

        public void setDate(Date date) {
            this.date = date;
        }

        public void setDate(String str) {
            try {
                this.date = DateTools.parse(str);
            } catch (Exception e) {
                LOGGER.error(e);
            }
        }

    }
}