/*
 *      Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice,
 *  this list of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in the
 *  documentation and/or other materials provided with the distribution.
 *  Neither the name of the dreamlu.net developer nor the names of its
 *  contributors may be used to endorse or promote products derived from
 *  this software without specific prior written permission.
 *  Author: Chill 庄骞 (smallchill@163.com)
 */
package org.springblade.modules.applicationCarChange.service.impl;

import lombok.AllArgsConstructor;
import org.flowable.bpmn.model.*;
import org.flowable.engine.RepositoryService;
import org.flowable.engine.RuntimeService;
import org.flowable.engine.TaskService;
import org.flowable.engine.runtime.ProcessInstance;
import org.flowable.task.api.Task;
import org.springblade.common.constant.AuditStatusConstant;
import org.springblade.core.log.exception.ServiceException;
import org.springblade.core.mp.support.Condition;
import org.springblade.core.secure.utils.AuthUtil;
import org.springblade.core.tool.support.Kv;
import org.springblade.core.tool.utils.Func;
import org.springblade.core.tool.utils.StringUtil;
import org.springblade.flow.business.service.IFlowService;
import org.springblade.flow.core.constant.ProcessConstant;
import org.springblade.flow.core.entity.BladeFlow;
import org.springblade.flow.core.utils.FlowUtil;
import org.springblade.modules.application.entity.ApplicationEntity;
import org.springblade.modules.application.entity.BasicInfoEntity;
import org.springblade.modules.application.entity.CarEntity;
import org.springblade.modules.application.service.IApplicationService;
import org.springblade.modules.application.service.ICarService;
import org.springblade.modules.application.vo.ApplicationVO;
import org.springblade.modules.application.wrapper.ApplicationWrapper;
import org.springblade.modules.applicationCarChange.entity.ApplicationCarChangeEntity;
import org.springblade.modules.applicationCarChange.vo.ApplicationCarChangeVO;
import org.springblade.modules.applicationCarChange.mapper.ApplicationCarChangeMapper;
import org.springblade.modules.applicationCarChange.service.IApplicationCarChangeService;
import org.springblade.core.mp.base.BaseServiceImpl;
import org.springblade.modules.applicationCarChange.wrapper.ApplicationCarChangeWrapper;
import org.springblade.modules.applicationDelay.entity.ApplicationDelayEntity;
import org.springblade.modules.applicationDelay.vo.ApplicationDelayVO;
import org.springframework.stereotype.Service;
import com.baomidou.mybatisplus.core.metadata.IPage;

import java.util.List;
import java.util.Map;

/**
 * 车辆变更申请表 服务实现类
 *
 * @author BladeX
 * @since 2022-12-13
 */
@Service
@AllArgsConstructor
public class ApplicationCarChangeServiceImpl extends BaseServiceImpl<ApplicationCarChangeMapper, ApplicationCarChangeEntity> implements IApplicationCarChangeService {
	private final ICarService carService;
	private final IApplicationService applicationService;

	private final IFlowService flowService;
	private final TaskService taskService;
	private final RuntimeService runtimeService;
	private final RepositoryService repositoryService;

	@Override
	public IPage<ApplicationCarChangeVO> selectApplicationCarChangePage(IPage<ApplicationCarChangeVO> page, ApplicationCarChangeVO applicationCarChange) {
		return page.setRecords(baseMapper.selectApplicationCarChangePage(page, applicationCarChange));
	}

	@Override
	public Boolean startProcess(ApplicationCarChangeEntity entity, CarEntity carEntity) {
		String businessTable = FlowUtil.getBusinessTable(ProcessConstant.CAR_CHANGE_AUDIT);
		if (Func.isEmpty(entity.getId())) {
			// 保存变更信息
			save(entity);
			//保存车辆信息
			ApplicationEntity applicationEntity = applicationService.getByNo(entity.getNo());
			carEntity.setCarChangeId(entity.getId().toString());
			carEntity.setApplicationId(applicationEntity.getId().toString());
			carService.save(carEntity);
			// 启动流程
			Kv variables = Kv.create()
				.set(ProcessConstant.TASK_VARIABLE_CREATE_USER, AuthUtil.getUserName());
			BladeFlow flow = flowService.startProcessInstanceById(entity.getProcessDefinitionId(), FlowUtil.getBusinessKey(businessTable, String.valueOf(entity.getId())), variables);
			if (Func.isNotEmpty(flow)) {
				log.debug("流程已启动,流程ID:" + flow.getProcessInstanceId());
				// 返回流程id写入leave
				entity.setProcessInstanceId(flow.getProcessInstanceId());
				updateById(entity);
			} else {
				throw new ServiceException("开启流程失败");
			}
		} else {

			updateById(entity);
		}
		return true;
	}

	@Override
	public Boolean completeTask(BladeFlow flow) {
		String taskId = flow.getTaskId();
		String processInstanceId = flow.getProcessInstanceId();
		String comment = Func.toStr(flow.getComment(), ProcessConstant.PASS_COMMENT);
		// 增加评论
		if (StringUtil.isNoneBlank(processInstanceId, comment)) {
			taskService.addComment(taskId, processInstanceId, comment);
		}

		Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
		ProcessInstance pi = runtimeService.createProcessInstanceQuery().processInstanceId(task.getProcessInstanceId()).singleResult();
		// 通过流程实例获取“业务键”
		String businessKey = pi.getBusinessKey().split(":")[1];

		//获取实例对象
		ApplicationCarChangeEntity entity = getById(businessKey);
		ApplicationEntity applicationEntity = applicationService.getByNo(entity.getNo());

		//驳回时
		if (!flow.isPass()){
			entity.setStatus(AuditStatusConstant.REJECT_AUDIT);
		}

		//通过且下一个节点结束流程时
		if (flow.isPass() && getEndNode(task, entity.getProcessDefinitionId())) {
			//替换车辆信息
			CarEntity searchCar = new CarEntity();
			searchCar.setApplicationId(applicationEntity.getId().toString());

			List<CarEntity> listCar = carService.list(Condition.getQueryWrapper(searchCar));
			listCar.forEach(car->{
				if (car.getStatus().equals("1")){
					car.setStatus("2");
				}else if (car.getStatus().equals("3") && car.getCarChangeId().equals(entity.getId().toString())){
					car.setStatus("1");
				}
			});
			carService.updateBatchById(listCar);
			//修改流程状态
			entity.setStatus(AuditStatusConstant.FINISH);
		}

		updateById(entity);

		// 创建变量
		Map<String, Object> variables = flow.getVariables();
		if (variables == null) {
			variables = Kv.create();
		}
		variables.put(ProcessConstant.PASS_KEY, flow.isPass());
		// 完成任务
		taskService.complete(taskId, variables);
		return true;
	}

	@Override
	public ApplicationCarChangeVO getVo(ApplicationCarChangeEntity detail) {
		ApplicationCarChangeVO vo = ApplicationCarChangeWrapper.build().entityVO(detail);
		CarEntity carEntity = new CarEntity();
		carEntity.setCarChangeId(detail.getId().toString());
		carEntity.setStatus("3");
		vo.setCarEntity(carService.getOne(Condition.getQueryWrapper(carEntity)));
		return vo;
	}

	/**
	 * 判断是否包含最终节点且为倒数第二个节点
	 * @param task
	 * @param definitionId
	 * @return
	 */
	public boolean getEndNode(Task task, String definitionId){
		boolean isEnd=false;
		boolean finalTask = false;
		BpmnModel bpmnModel = repositoryService.getBpmnModel(definitionId);
		FlowNode flowNode = (FlowNode) bpmnModel.getFlowElement(task.getTaskDefinitionKey());
		List<SequenceFlow> outgoingFlows = flowNode.getOutgoingFlows();
		for (SequenceFlow outgoingFlow : outgoingFlows) {
			FlowElement targetFlowElement = outgoingFlow.getTargetFlowElement();
			FlowElement sourceFlowElement = outgoingFlow.getSourceFlowElement();
			if (sourceFlowElement.getId().equals("finalTask")){
				finalTask = true;
			}
			if (targetFlowElement instanceof EndEvent){
				isEnd = true;
				break;
			}
		}
		return isEnd&&finalTask;
	}
}