package org.springblade.mdm.flow.service;

import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.flowable.engine.HistoryService;
import org.flowable.engine.IdentityService;
import org.flowable.engine.RuntimeService;
import org.flowable.engine.TaskService;
import org.flowable.engine.history.HistoricProcessInstance;
import org.flowable.engine.runtime.ProcessInstance;
import org.flowable.task.api.Task;
import org.flowable.task.api.history.HistoricTaskInstance;
import org.springblade.core.secure.utils.AuthUtil;
import org.springblade.mdm.basesetting.machine.MachineService;
import org.springblade.mdm.basesetting.machine.entity.Machine;
import org.springblade.mdm.flow.constants.FlowContants;
import org.springblade.mdm.flow.entity.FlowProgramFile;
import org.springblade.mdm.flow.excution.AutoAssignUsersService;
import org.springblade.mdm.flow.vo.TaskAssignVO;
import org.springblade.mdm.program.entity.NcNode;
import org.springblade.mdm.program.entity.NcProgram;
import org.springblade.mdm.program.entity.ProcessProgRef;
import org.springblade.mdm.program.service.NcNodeService;
import org.springblade.mdm.program.service.NcProgramService;
import org.springblade.mdm.program.service.ProcessProgRefService;
import org.springblade.mdm.program.vo.DncSendBackData;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * 固化流程服务
 */
@Slf4j
@Service
@AllArgsConstructor
public class CureFlowService {

	private final RuntimeService runtimeService;

	private final HistoryService historyService;
	private final TaskService taskService;
	private final IdentityService identityService;

	private final NcNodeService ncNodeService;

	private final FlowProgramFileService flowProgramFileService;

	@Transactional
	public void startCure(List<NcNode> programPackageList, Map<Long,List<NcNode>> allFlowProgramFiles) {
		//根据分组启动流程，并插入关联表
		programPackageList.forEach(pkg -> {
			this.startOne(pkg,allFlowProgramFiles.get(pkg.getId()));
		});
	}

	/**
	 * 启动一个数控程序的固化流程
	 * @param programPackage 程序包名 节点实体
	 */
	public void startOne(NcNode programPackage,List<NcNode> programNodes) {
		Map<String, Object> vars = new HashMap<>();
		//该程序在计划任务时 获取编制，校对，审批的人员，作为默认用户，其中编制时第一个固定的用户
		if(programPackage.getProcessInstanceId() != null) {
			//获取审批用户
			HistoricProcessInstance instance = historyService.createHistoricProcessInstanceQuery()
				.processInstanceId(programPackage.getProcessInstanceId()).includeProcessVariables()
				.singleResult();
			if(instance != null) {//使用任务派工流程的变量
				Map<String, Object> oldVars = instance.getProcessVariables();
				//机床编号
				vars.put(FlowContants.MACHINE_CODE,oldVars.get(FlowContants.MACHINE_CODE));
				//机床型号
				vars.put(FlowContants.MACHINE_MODE,oldVars.get(FlowContants.MACHINE_MODE));
				vars.put(FlowContants.PROCESS_NO,oldVars.get(FlowContants.PROCESS_NO));
				vars.put(FlowContants.PROCESS_NAME,oldVars.get(FlowContants.PROCESS_NAME));
				vars.put(FlowContants.PROCESS_EDITION,oldVars.get(FlowContants.PROCESS_EDITION));
				vars.put(FlowContants.CRAFT_EDITION, oldVars.get(FlowContants.CRAFT_EDITION));
				vars.put(FlowContants.DRAWING_NO,oldVars.get(FlowContants.DRAWING_NO));
				vars.put(FlowContants.DRAWING_NO_EDITION,oldVars.get(FlowContants.DRAWING_NO_EDITION));

				vars.put(FlowContants.PRODUCT_MODEL,oldVars.get(FlowContants.PRODUCT_MODEL));
			}

		}

		//查找历史实际的审批人
		List<HistoricTaskInstance> historicTasks = historyService.createHistoricTaskInstanceQuery()
			.orderByTaskCreateTime().desc().processInstanceId(programPackage.getProcessInstanceId())
			.list();
		fillHistoryAssignees(vars, historicTasks);

		String businessKey = "0";//业务表key

		identityService.setAuthenticatedUserId(String.valueOf(AuthUtil.getUserId()));//设置流程发起人

		vars.put(FlowContants.LAST_STEP_USER_NICKNAME, AuthUtil.getNickName());
		vars.put(FlowContants.TITLE,programPackage.getName()+"-固化");//自动增加标题

		ProcessInstance inst = runtimeService.startProcessInstanceByKey(FlowContants.CURE_PROCESS_KEY,businessKey,vars);

		//更新程序包名节点的流程实例id
		programPackage.setProcessInstanceId(inst.getProcessInstanceId());
		ncNodeService.updateById(programPackage);

		//更新文件的流程实例id，和 程序节点的流程文件id 并入库
		programNodes.forEach(programNode -> {
			FlowProgramFile flowProgramFile = programNode.getFlowProgramFile();
			flowProgramFile.setProcessInstanceId(inst.getProcessInstanceId());
			this.flowProgramFileService.save(flowProgramFile);

			programNode.setFlowProgramFileId(flowProgramFile.getId());
			this.ncNodeService.save(programNode);
		});
		log.info("启动固化流程完成，实例id={}", inst.getId());
	}

	/**
	 * 填充历史审批人，从试切流程中查找
	 * @param vars 找到审批人后填充的map
	 * @param historicTasks 历史任务集合
	 */
	void fillHistoryAssignees(Map<String, Object> vars,List<HistoricTaskInstance> historicTasks){
		String programmer = null;
		String checker = null;
		String senior = null;

		//找不到工艺员，那么查询最后一个审批的工艺员

		for (HistoricTaskInstance task : historicTasks) {
			// 获取任务的办理人
			if (task.getTaskDefinitionKey().equals("programmingTask")) {
				//编制
				if (programmer == null) {
					programmer = task.getAssignee();
				}
			} else if (task.getTaskDefinitionKey().equals("check")) {
				//校对
				if (checker == null) {
					checker = task.getAssignee();
				}

			} else if (task.getTaskDefinitionKey().equals("approveTask")) {
				//审核
				if (senior == null) {
					senior = task.getAssignee();
				}
			}

		}

		vars.put(FlowContants.PROGRAMMER,programmer);
		vars.put(FlowContants.CHECKER,checker);
		vars.put(FlowContants.SENIOR,senior);
		vars.put(FlowContants.ASSIGNEE,programmer);
	}
	/**
	 * 将程序按照机器代码分组
	 * @param ncProgramIdList
	 * @return
	 */
	/*
	Map<String,List<NcProgram>> groupProgramsByMachineCode(List<Long> ncProgramIdList){
		List<NcProgram> programs = ncProgramService.listByIds(ncProgramIdList);
		return programs.stream().collect(Collectors.groupingBy(NcProgram::getMachineCode));
	}*/
}