/**
#                                                    __----~~~~~~~~~~~------___
#                                   .  .   ~~//====......          __--~ ~~
#                   -.            \_|//     |||\\  ~~~~~~::::... /~
#                ___-==_       _-~o~  \/    |||  \\            _/~~-
#        __---~~~.==~||\=_    -_--~/_-~|-   |\\   \\        _/~
#    _-~~     .=~    |  \\-_    '-~7  /-   /  ||    \      /
#  .~       .~       |   \\ -_    /  /-   /   ||      \   /
# /  ____  /         |     \\ ~-_/  /|- _/   .||       \ /
# |~~    ~~|--~~~~--_ \     ~==-/   | \~--===~~        .\
#          '         ~-|      /|    |-~\~~       __--~~
#                      |-~~-_/ |    |   ~\_   _-~            /\
#                           /  \     \__   \/~                \__
#                       _--~ _/ | .-~~____--~-/                  ~~==.
#                      ((->/~   '.|||' -_|    ~~-/ ,              . _||
#                                 -_     ~\      ~~---l__i__i__i--~~_/
#                                 _-~-__   ~)  \--______________--~~
#                               //.-~~~-~_--~- |-------~~~~~~~~
#                                      //.-~~~--\
#                  神兽保佑
#                  永无BUG！
*/
package com.nanjing.water.service;

import com.nanjing.water.common.*;
import com.nanjing.water.common.enums.*;
import com.nanjing.water.common.exceptions.BusinessException;
import com.nanjing.water.common.model.Tuple;
import com.nanjing.water.common.util.*;
import com.nanjing.water.entity.request.sysregion.ReqCreateSysRegion;
import com.nanjing.water.entity.request.sysregion.ReqModifySysRegion;
import com.nanjing.water.entity.response.region.ResRegionTree;
import com.nanjing.water.entity.search.SearchSysRegion;
import com.nanjing.water.repository.impl.SysRegionMapperImpl;
import com.nanjing.water.repository.po.SysRegionPO;
import com.nanjing.water.repository.vo.SysRegionVO;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;

/**
 * 系统行政地区
 * @author lin.liu
 */
@Service
public class SysRegionService extends BaseService {
    @Autowired
    private SysRegionMapperImpl mapper;

    public ExecutedResult<Long> create(ReqCreateSysRegion request) {
        // 转换po
        SysRegionPO item = CopierUtil.mapTo(request, SysRegionPO.class);
        // 设置状态
        //item.setStatus(EState.NORMAL.getValue());
        // 设置记录创建时间
        item.setCreateTime(LocalDateTimeUtil.nowTimeStamp());
        // 是否删除(逻辑删除)初始值
        item.setIsDelete(EYesOrNo.NO.getValue());

        int rowCount = mapper.insert(item);
        if (rowCount != 1) {
            return ExecutedResult.failed("创建[系统行政地区]失败。");
        }
        return ExecutedResult.success(item.getId());
    }

    public ExecutedResult<String> modify(ReqModifySysRegion request) {
        // 验证记录是否存在
        ExecutedResult<SysRegionPO> checkExists = this.check4Id(request.getId());
        if (checkExists.isFailed()) {
            return ExecutedResult.failed(checkExists.getMsg());
        }
        // 转换po
        SysRegionPO item = CopierUtil.mapTo(request, SysRegionPO.class);

        int rowCount = mapper.updateById(item);
        if (rowCount != 1) {
            return ExecutedResult.failed("编辑[系统行政地区]失败。");
        }
        return ExecutedResult.success();
    }

    public ExecutedResult<SysRegionVO> get(String code) {
        SysRegionVO result = new SysRegionVO();

        SysRegionPO find = mapper.get4Code(code);
        if (null != find) {
            result = CopierUtil.mapTo(find, SysRegionVO.class);
        }
        return ExecutedResult.success(result);
    }

    public ExecutedResult<List<SysRegionVO>> getList(List<Long> listId) {
        List<SysRegionVO> result = new ArrayList<>();

        List<SysRegionPO> list = mapper.getList(listId);
        if (ListUtil.isNotNullOrEmpty(list)) {
            result = CopierUtil.mapTo(list, SysRegionVO.class);
        }
        return ExecutedResult.success(result);
    }

    public ExecutedResult<List<ResRegionTree>> getListChild(String code) {
        List<SysRegionPO> list = null;
        if (StringUtil.isNullOrEmpty(code)) {
            list = mapper.getList4Level(1);
        } else {
            list = mapper.getList4Parent(code);
        }
        if (ListUtil.isNullOrEmpty(list)) {
            return ExecutedResult.success(new ArrayList<>());
        }
        return ExecutedResult.success(CopierUtil.mapTo(list, ResRegionTree.class));
    }

    public void fillChildMenu(ResRegionTree view, List<SysRegionPO> list) {
        List<SysRegionPO> listChild = list.stream()
                .filter(c -> c.getParentCode().equals(view.getCode()))
                .collect(Collectors.toList());
        view.setChildren(new ArrayList<>());
        if (ListUtil.isNullOrEmpty(listChild)) {
            return;
        }
        listChild = listChild.stream()
                .sorted(Comparator.comparing(SysRegionPO::getSort))
                .collect(Collectors.toList());
        for (SysRegionPO child : listChild) {
            ResRegionTree viewChild = CopierUtil.mapTo(child, ResRegionTree.class);
            this.fillChildMenu(viewChild, list);
            view.getChildren().add(viewChild);
        }
    }

    public ExecutedResult<PagerResult<SysRegionVO>> search(SearchSysRegion search) {
        // 处理创建时间范围-查询参数
        Tuple<String, String> createTimeRange = ParameterUtil.getTimeRange(search.getCreateTimeRange());
        if (StringUtil.isNotNullOrEmpty(createTimeRange.getItem1())) {
            search.setCreateTimeStart(LocalDateTimeUtil.getTimeStamp(createTimeRange.getItem1()).getTime());
        }
        if (StringUtil.isNotNullOrEmpty(createTimeRange.getItem2())) {
            search.setCreateTimeEnd(LocalDateTimeUtil.getTimeStamp(createTimeRange.getItem2()).getTime());
        }

        PagerResult<SysRegionPO> pageList = mapper.search(search);
        List<SysRegionVO> listVo = new ArrayList<>();
        List<SysRegionPO> list = pageList.getList();
        if (ListUtil.isNotNullOrEmpty(list)) {
            pageList.setLastId(list.get(list.size() - 1).getId());
            // 转换vo
            listVo = CopierUtil.mapTo(list, SysRegionVO.class);
        }
        PagerResult<SysRegionVO> result = new PagerResult<>(pageList.getLimit(), pageList.getPage(), pageList.getTotal(), listVo);
        result.setLastId(pageList.getLastId());
        return ExecutedResult.success(result);
    }

    protected ExecutedResult<SysRegionPO> check4Id(Long id) {
        SysRegionPO exists = mapper.get(id);
        if (Objects.isNull(exists)) {
            return ExecutedResult.failed("[系统行政地区]不存在：" + id);
        }
        return ExecutedResult.success(exists);
    }

    protected ExecutedResult<List<SysRegionPO>> check4Id(List<Long> listId) {
        // 从数据库查找系统行政地区
        List<SysRegionPO> list = mapper.getList(listId);
        if (ListUtil.isNullOrEmpty(list)) {
            return ExecutedResult.failed("[系统行政地区]不存在." + listId);
        }
        // 数据库找到的id列表
        List<Long> listIdFind = list.stream().map(SysRegionPO::getId).collect(Collectors.toList());
        // 数量不一致
        if (listId.size() != listIdFind.size()) {
            // 筛选数据库不存在的系统行政地区
            List<Long> listIdNotFound = listId.stream().filter(c -> !listIdFind.contains(c)).collect(Collectors.toList());
            if (ListUtil.isNullOrEmpty(list)) {
                return ExecutedResult.failed("[系统行政地区]不存在." + listIdNotFound);
            }
        }
        return ExecutedResult.success(list);
    }

    public void fillChild(ResRegionTree view, List<SysRegionPO> list) {
        List<SysRegionPO> listChild = list.stream()
                .filter(c -> c.getParentCode().equals(view.getCode()))
                .collect(Collectors.toList());
        view.setChildren(new ArrayList<>());
        if (ListUtil.isNullOrEmpty(listChild)) {
            return;
        }
        listChild = listChild.stream()
                .sorted(Comparator.comparing(SysRegionPO::getSort))
                .collect(Collectors.toList());
        for (SysRegionPO child : listChild) {
            ResRegionTree viewChild = CopierUtil.mapTo(child, ResRegionTree.class);
            this.fillChild(viewChild, list);
            view.getChildren().add(viewChild);
        }
    }

    public ExecutedResult<SysRegionPO> check4Code(String code) {
        SysRegionPO exists = mapper.get4Code(code);
        if (Objects.isNull(exists)) {
            return ExecutedResult.failed("[系统行政地区]不存在：" + code);
        }
        return ExecutedResult.success(exists);
    }

    protected ExecutedResult<List<SysRegionPO>> check4Code(List<String> listCode) {
        // 从数据库查找系统行政地区
        List<SysRegionPO> list = mapper.list4Code(listCode);
        if (ListUtil.isNullOrEmpty(list)) {
            return ExecutedResult.failed("[系统行政地区]不存在." + listCode);
        }
        // 数据库找到的id列表
        List<String> listIdFind = list.stream().map(SysRegionPO::getCode).collect(Collectors.toList());
        // 数量不一致
        if (listCode.size() != listIdFind.size()) {
            // 筛选数据库不存在的系统行政地区
            List<String> listIdNotFound = listCode.stream().filter(c -> !listIdFind.contains(c)).collect(Collectors.toList());
            if (ListUtil.isNullOrEmpty(list)) {
                return ExecutedResult.failed("[系统行政地区]不存在." + listIdNotFound);
            }
        }
        return ExecutedResult.success(list);
    }

    public ExecutedResult<ResRegionTree> currAndTree(String code) {
        // 校验区域信息
        ExecutedResult<SysRegionPO> checkRegion = this.check4Code(code);
        if (checkRegion.isFailed()) {
            return ExecutedResult.failed(checkRegion.getMsg());
        }
        SysRegionPO curr = checkRegion.getData();
        ResRegionTree result = CopierUtil.mapTo(curr, ResRegionTree.class);

        List<SysRegionPO> list = mapper.getList4LevelChild(curr.getLevel());
        if (ListUtil.isNullOrEmpty(list)) {
            return ExecutedResult.success(result);
        }
        this.fillChild(result, list);
        return ExecutedResult.success(result);
    }

    public List<SysRegionPO> check4CodeExc(List<String> listRegion) {
        ExecutedResult<List<SysRegionPO>> check4Code = this.check4Code(listRegion);
        if (check4Code.isFailed()) {
            throw new BusinessException(check4Code.getMsg());
        }
        return check4Code.getData();
    }
}