/*
  * Copyright (C), 2018-2021
  * Project: starter
  * FileName: DepartmentServiceKit
  * Author:   Louis
  * Date:     2021/5/14 9:38
  */
 package com.eco.plugin.xx.jbsync.kit;

 import com.eco.plugin.xx.jbsync.utils.Utils;
 import com.fr.decision.authority.AuthorityContext;
 import com.fr.decision.authority.base.constant.type.operation.ManualOperationType;
 import com.fr.decision.authority.data.Department;
 import com.fr.decision.webservice.exception.general.DuplicatedNameException;
 import com.fr.decision.webservice.v10.user.DepartmentService;
 import com.fr.general.ComparatorUtils;
 import com.fr.stable.StableUtils;
 import com.fr.stable.query.QueryFactory;
 import com.fr.stable.query.condition.QueryCondition;
 import com.fr.stable.query.restriction.Restriction;
 import com.fr.stable.query.restriction.RestrictionFactory;

 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;

 /**
  * <Function Description><br>
  * <DepartmentServiceKit>
  *
  * @author xx
  * @since 1.0.0
  */
 public class DepartmentServiceKit extends DepartmentService {
     public static final String DECISION_DEP_ROOT = "decision-dep-root";
     private static volatile DepartmentServiceKit departmentServiceKit = null;

     public DepartmentServiceKit() {
     }

     public static DepartmentServiceKit getInstance() {
         if (departmentServiceKit == null) {
             departmentServiceKit = new DepartmentServiceKit();
         }
         return departmentServiceKit;
     }

     /**
      * 根据id获取部门
      * @param id
      * @return
      * @throws Exception
      */
     public Department getByid(String id) throws Exception {
         return AuthorityContext.getInstance().getDepartmentController().getById(id);
     }

     /**
      * 添加部门
      * @param id
      * @param pId
      * @param depName
      * @return
      * @throws Exception
      */
     public Department addDepartment(String id, String pId, String depName) throws Exception {
         if ((Utils.isNotNullStr(pId) &&  pId.equals(DECISION_DEP_ROOT)) || Utils.isNullStr(pId)) {
             pId = null;
         }
         this.checkDuplicatedDepartmentName(pId, depName);
         Department department = (new Department()).id(id).name(depName).parentId(pId).creationType(ManualOperationType.KEY).lastOperationType(ManualOperationType.KEY).enable(true);
         AuthorityContext.getInstance().getDepartmentController().add(department);
         return department;
     }

     private void checkDuplicatedDepartmentName(String parentId, String depName) throws Exception {
         QueryCondition condition = QueryFactory.create().addRestriction(RestrictionFactory.and(new Restriction[]{RestrictionFactory.eq("name", depName), RestrictionFactory.eq("parentId", parentId)}));
         Department sameNameDep = AuthorityContext.getInstance().getDepartmentController().findOne(condition);
         if (sameNameDep != null) {
             throw new DuplicatedNameException();
         }
     }

     private String getDepartmentFullPath(String pId, String depName, String splitter) throws Exception {
         List<String> paths = new ArrayList<>();
         paths.add(depName);
         while (!ComparatorUtils.equals(pId, DECISION_DEP_ROOT) && pId != null) {
             Department parentDepartment = AuthorityContext.getInstance().getDepartmentController().getById(pId);
             paths.add(parentDepartment.getName());
             pId = parentDepartment.getParentId();
         }
         Collections.reverse(paths);
         return StableUtils.join(paths.toArray(new String[0]), splitter);
     }

     public void editDepartment(String departmentId, String depName, String pId) throws Exception {
         if (Utils.isNotNullStr(pId) &&  pId.equals(DECISION_DEP_ROOT)) {
             pId = null;
         }
         Department department = AuthorityContext.getInstance().getDepartmentController().getById(departmentId);
         String departmentFullPath = DepartmentService.getInstance().getDepartmentFullPath(departmentId);
         if (!ComparatorUtils.equals(department.getName(), depName)) {
             this.checkDuplicatedDepartmentName(department.getParentId(), depName);
             department.setName(depName);
             department.setParentId(pId);
             AuthorityContext.getInstance().getDepartmentController().update(department);
         }
     }
 }