package com.engine.organization.service.impl;

import com.api.hrm.bean.TreeNode;
import com.engine.core.impl.Service;
import com.engine.organization.entity.QueryParam;
import com.engine.organization.entity.comp.bo.CompBO;
import com.engine.organization.entity.comp.po.CompPO;
import com.engine.organization.entity.department.bo.DepartmentBO;
import com.engine.organization.entity.department.po.DepartmentPO;
import com.engine.organization.entity.searchtree.SearchTree;
import com.engine.organization.entity.searchtree.SearchTreeParams;
import com.engine.organization.mapper.comp.CompMapper;
import com.engine.organization.mapper.department.DepartmentMapper;
import com.engine.organization.service.JobService;
import com.engine.organization.util.db.MapperProxyFactory;
import org.apache.commons.collections4.CollectionUtils;
import weaver.conn.RecordSet;
import weaver.general.StringUtil;
import weaver.general.Util;

import java.util.*;
import java.util.stream.Collectors;

/**
 * @description: TODO
 * @author:dxfeng
 * @createTime: 2022/05/26
 * @version: 1.0
 */
public class JobServiceImpl extends Service implements JobService {

    private static final String TYPE_GROUP = "0";
    private static final String TYPE_COMP = "1";
    private static final String TYPE_DEPT = "2";

    private CompMapper getCompMapper() {
        return MapperProxyFactory.getProxy(CompMapper.class);
    }

    private DepartmentMapper getDepartmentMapper() {
        return MapperProxyFactory.getProxy(DepartmentMapper.class);
    }

    @Override
    public Map<String, Object> getSearchTree(SearchTreeParams params) {
        Map<String, Object> dataMap = new HashMap<>();
        SearchTree topGroup = getTopGroup();
        // 集团
        List<SearchTree> companyList = new ArrayList<>();
        companyList.add(topGroup);
        String keyword = params.getKeyword();
        String type = Util.null2String(params.getType());
        String id = params.getId();

        List<TreeNode> treeDatas = getFilterCompany(id, type, keyword);
        // 未点击，初始化树结构
        if (StringUtil.isEmpty(type)) {
            dataMap.put("companys", companyList);
            SearchTree rootCompany = getTopGroup();
            rootCompany.setSubs(treeDatas);
            rootCompany.setIsParent(CollectionUtils.isNotEmpty(rootCompany.getSubs()));
            Map<String, Object> rootCompanyMap = new HashMap<>();
            rootCompanyMap.put("rootCompany", rootCompany);
            dataMap.put("datas", rootCompanyMap);
        } else {
            // 根据ID查询
            dataMap.put("datas", treeDatas);
        }

        return dataMap;
    }

    /**
     * 添加查询元素的父级元素
     *
     * @param departmentPO
     * @param builderDeparts
     */
    private void buildParentDepts(DepartmentPO departmentPO, Set<DepartmentPO> builderDeparts) {
        builderDeparts.add(departmentPO);
        if (isTop(departmentPO.getParentDept())) {
            return;
        }
        DepartmentPO parentDept = getDepartmentMapper().getDeptById(departmentPO.getParentDept());
        buildParentDepts(parentDept, builderDeparts);
    }

    /**
     * 添加查询元素的父级元素
     *
     * @param compPO
     * @param builderComps
     */
    private void buildParentComps(CompPO compPO, Set<CompPO> builderComps) {
        builderComps.add(compPO);
        if (isTop(compPO.getParentCompany())) {
            return;
        }
        CompPO parentComp = getCompMapper().listById(compPO.getParentCompany());
        buildParentComps(parentComp, builderComps);
    }

    /**
     * 获取集团
     *
     * @return
     */
    private SearchTree getTopGroup() {
        RecordSet rs = new RecordSet();
        String sql = "select * from HrmCompany ";
        rs.executeQuery(sql);
        SearchTree groupTree = new SearchTree();
        groupTree.setCanClick(false);
        groupTree.setCanceled(false);
        groupTree.setCompanyid("1");
        groupTree.setIcon("icon-coms-LargeArea");
        groupTree.setId("0");
        groupTree.setIsVirtual("0");
        while (rs.next()) {
            groupTree.setName(rs.getString("COMPANYNAME"));
        }
        groupTree.setSelected(false);
        groupTree.setType(TYPE_GROUP);
        return groupTree;
    }

    /**
     * 根据keyword查询数据
     *
     * @param id
     * @param type
     * @param keyword
     * @return
     */
    private List<TreeNode> getFilterCompany(String id, String type, String keyword) {
        List<TreeNode> compSearchTree = new ArrayList<>();
        // 通过分部、公司 组装数据
        if (StringUtil.isEmpty(id) || TYPE_COMP.equals(type)) {
            Long parentCompId = StringUtil.isEmpty(id) ? null : Long.parseLong(id);
            DepartmentPO departmentBuild = DepartmentPO.builder().deptName(keyword).parentComp(parentCompId).build();
            CompPO compBuild = CompPO.builder().compName(keyword).parentCompany(parentCompId).build();
            buildTreeByCompAndDept(departmentBuild, compBuild, compSearchTree);
        } else if (TYPE_DEPT.equals(type)) {
            //
            // 查询部门信息
            List<DepartmentPO> filterDeparts = getDepartmentMapper().listByFilter(DepartmentPO.builder().deptName(keyword).parentDept(Long.parseLong(id)).build());
            Set<DepartmentPO> builderDeparts = new HashSet<>();
            for (DepartmentPO departmentPO : filterDeparts) {
                buildParentDepts(departmentPO, builderDeparts);
            }
            List<SearchTree> deptTrees = builderTreeMode(DepartmentBO.buildSetToSearchTree(builderDeparts));
            // 排序，设置是否为叶子节点
            List<TreeNode> collect = deptTrees.stream().peek(item ->
                    item.setIsParent(CollectionUtils.isNotEmpty(item.getSubs()))
            ).sorted(Comparator.comparing(item -> Integer.parseInt(item.getId()))).collect(Collectors.toList());
            if (CollectionUtils.isNotEmpty(collect)) {
                compSearchTree.addAll(collect);
            }
        }
        return compSearchTree;
    }

    /**
     * 分部、部门 组装左侧树
     *
     * @param departmentBuild
     * @param compBuild
     * @param compSearchTree
     */
    private void buildTreeByCompAndDept(DepartmentPO departmentBuild, CompPO compBuild, List<TreeNode> compSearchTree) {
        List<DepartmentPO> filterDeparts = getDepartmentMapper().listByFilter(departmentBuild);
        // 查询分部信息
        List<CompPO> filterComps = getCompMapper().listByFilter(compBuild);
        Set<DepartmentPO> builderDeparts = new HashSet<>();
        for (DepartmentPO departmentPO : filterDeparts) {
            buildParentDepts(departmentPO, builderDeparts);
        }
        List<SearchTree> deptTrees = builderTreeMode(DepartmentBO.buildSetToSearchTree(builderDeparts));
        // 添加部门的上级分部
        String parentCompS = deptTrees.stream().map(SearchTree::getParentComp).collect(Collectors.joining(","));
        if (!StringUtil.isEmpty(parentCompS)) {
            List<CompPO> compsByIds = getCompMapper().getCompsByIds(QueryParam.builder().ids(parentCompS).build().getIds());
            if (CollectionUtils.isNotEmpty(compsByIds)) {
                filterComps.addAll(compsByIds);
            }
        }
        Set<CompPO> builderComps = new HashSet<>();
        for (CompPO compPO : filterComps) {
            buildParentComps(compPO, builderComps);
        }
        List<TreeNode> compTrees = builderTreeMode(CompBO.buildSetToSearchTree(builderComps), deptTrees);

        // 排序，设置是否为叶子节点
        List<TreeNode> collect = compTrees.stream().peek(item ->
                item.setIsParent(CollectionUtils.isNotEmpty(item.getSubs()))
        ).sorted(Comparator.comparing(item -> Integer.parseInt(item.getId()))).collect(Collectors.toList());
        if (CollectionUtils.isNotEmpty(collect)) {
            compSearchTree.addAll(collect);
        }
    }

    /**
     * 判断是为顶层数据
     *
     * @param pid
     * @return
     */
    private boolean isTop(Long pid) {
        return null == pid;
    }

    /**
     * 判断是为顶层数据
     *
     * @param pid
     * @return
     */
    private boolean isTop(String pid) {
        return StringUtil.isEmpty(pid) || "0".equals(pid);
    }


    /**
     * 处理树层级
     *
     * @param treeList
     * @return
     */
    private List<SearchTree> builderTreeMode(List<SearchTree> treeList) {
        Map<String, List<TreeNode>> collects = treeList.stream().collect(Collectors.groupingBy(TreeNode::getPid));
        return treeList.stream().peek(e -> e.setSubs(collects.get(e.getId()))).peek(item -> {
            if (CollectionUtils.isNotEmpty(item.getSubs())) {
                item.setIsParent(true);
            }
        }).filter(item -> isTop(item.getPid())).collect(Collectors.toList());
    }

    /**
     * 组合分部、部门层级关系
     *
     * @param treeList
     * @param deptTrees
     * @return
     */
    private List<TreeNode> builderTreeMode(List<TreeNode> treeList, List<SearchTree> deptTrees) {
        Map<String, List<TreeNode>> parentMap = treeList.stream().collect(Collectors.groupingBy(TreeNode::getPid));
        Map<String, List<SearchTree>> childMap = deptTrees.stream().collect(Collectors.groupingBy(SearchTree::getParentComp));
        boolean isAdd = !childMap.isEmpty();
        return treeList.stream().peek(e -> {
            List<TreeNode> treeNodes = new ArrayList<>();
            List<TreeNode> nodes = parentMap.get(e.getId());
            if (CollectionUtils.isNotEmpty(nodes)) {
                treeNodes.addAll(nodes);
            }
            if (isAdd && CollectionUtils.isNotEmpty(childMap.get(e.getId()))) {
                treeNodes.addAll(childMap.get(e.getId()));
            }
            e.setSubs(treeNodes);
        }).peek(item -> {
            if (CollectionUtils.isNotEmpty(item.getSubs())) {
                item.setIsParent(true);
            }
        }).filter(item -> isTop(item.getPid())).collect(Collectors.toList());
    }

}