package com.smartor.service.impl;

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

import com.ruoyi.common.exception.base.BaseException;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.DtoConversionUtils;
import com.smartor.domain.*;
import com.smartor.mapper.HeLibraryAssortMapper;
import com.smartor.service.IHeLibraryAssortService;
import io.jsonwebtoken.lang.Collections;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.collections4.CollectionUtils;
import org.apache.commons.lang3.ObjectUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

/**
 * 宣教分类Service业务层处理
 *
 * @author ruoyi
 * @date 2023-12-24
 */
@Slf4j
@Service
public class HeLibraryAssortServiceImpl implements IHeLibraryAssortService {
    @Autowired
    private HeLibraryAssortMapper heLibraryAssortMapper;

    /**
     * 查询宣教分类
     *
     * @param id 宣教分类主键
     * @return 宣教分类
     */
    @Override
    public HeLibraryAssort selectHeLibraryAssortById(Long id) {
        return heLibraryAssortMapper.selectHeLibraryAssortById(id);
    }

    /**
     * 查询宣教分类列表
     *
     * @param heLibraryAssort 宣教分类
     * @return 宣教分类
     */
    @Override
    public List<HeLibraryAssortVO> selectHeLibraryAssortList(HeLibraryAssort heLibraryAssort) {
        List<HeLibraryAssort> heLibraryAssorts = heLibraryAssortMapper.selectHeLibraryAssortList(heLibraryAssort);
        List<HeLibraryAssortVO> heLibraryAssortVOS = DtoConversionUtils.sourceToTarget(heLibraryAssorts, HeLibraryAssortVO.class);

        List<HeLibraryAssortVO> rootList = new ArrayList<>();
        Map<Long, HeLibraryAssortVO> categoryMap = new HashMap<>();

        // 建立id->对象的映射
        for (HeLibraryAssortVO category : heLibraryAssortVOS) {
            categoryMap.put(category.getId(), category);
        }

        for (HeLibraryAssortVO category : heLibraryAssortVOS) {
            if (category.getPid() == null || category.getPid() == -1) {
                // 顶层节点
                rootList.add(category);
            } else {
                // 找到父节点，并添加到其子节点列表
                HeLibraryAssortVO parent = categoryMap.get(category.getPid());
                if (parent != null) {
                    HeLibraryAssort sc = DtoConversionUtils.sourceToTarget(category, HeLibraryAssort.class);
                    parent.getHeLibraryAssortList().add(sc);
                }
            }
        }
        return rootList;
    }

    /**
     * 新增宣教分类
     *
     * @param heLibraryAssort 宣教分类
     * @return 结果
     */
    @Override
    public int insertHeLibraryAssort(HeLibraryAssort heLibraryAssort) {
        heLibraryAssort.setCreateTime(DateUtils.getNowDate());
        return heLibraryAssortMapper.insertHeLibraryAssort(heLibraryAssort);
    }

    /**
     * 新增宣教分类树
     *
     * @param heLibraryAssortVO 宣教分类
     * @return 结果
     */
    @Override
    public int insertHeLibraryAssortTree(HeLibraryAssortVO heLibraryAssortVO) {
        Integer i = null;
        if (ObjectUtils.isEmpty(heLibraryAssortVO)) {
            throw new BaseException("入参为空,请检查后,再新增");
        }

        HeLibraryAssort heLibraryAssort = DtoConversionUtils.sourceToTarget(heLibraryAssortVO, HeLibraryAssort.class);
        //获取序号最大值
        Integer seqMax = null;
        try {
            seqMax = heLibraryAssortMapper.selectSeqMax();
        } catch (Exception e) {
            seqMax = 0;
        }
        if (seqMax != null) {
            heLibraryAssort.setSeqno(seqMax.longValue() + 1);
        } else {
            heLibraryAssort.setSeqno(1L);
        }

        if (heLibraryAssort.getId() == null) {
            i = heLibraryAssortMapper.insertHeLibraryAssort(heLibraryAssort);
        }

        //新增二级树
        if (CollectionUtils.isNotEmpty(heLibraryAssortVO.getHeLibraryAssortList())) {
            for (HeLibraryAssort heLibraryAssort1 : heLibraryAssortVO.getHeLibraryAssortList()) {
                heLibraryAssort1.setPid(heLibraryAssort.getId());
                Integer seqMax1 = null;
                try {
                    seqMax1 = heLibraryAssortMapper.selectSeqMax();
                } catch (Exception e) {
                    seqMax1 = 0;
                }
                if (seqMax1 != null) {
                    heLibraryAssort1.setSeqno(seqMax1.longValue() + 1);
                } else {
                    heLibraryAssort1.setSeqno(1L);
                }
                heLibraryAssort1.setGuid(heLibraryAssortVO.getGuid());
                heLibraryAssort1.setOrgid(heLibraryAssortVO.getOrgid());
                heLibraryAssortMapper.insertHeLibraryAssort(heLibraryAssort1);
            }
        }

        return i;
    }

    /**
     * 修改宣教分类
     *
     * @param heLibraryAssort 宣教分类
     * @return 结果
     */
    @Override
    public int updateHeLibraryAssort(HeLibraryAssort heLibraryAssort) {
        heLibraryAssort.setUpdateTime(DateUtils.getNowDate());
        return heLibraryAssortMapper.updateHeLibraryAssort(heLibraryAssort);
    }

    /**
     * 批量删除宣教分类
     *
     * @param ids 需要删除的宣教分类主键
     * @return 结果
     */
    @Transactional(rollbackFor = Exception.class)
    @Override
    public Integer deleteHeLibraryAssortByIds(Long[] ids) {
        Integer i = null;

        for (Long id : ids) {
            if (id < 0) {
                log.info("宣教分类id小于0，为默认分类，不能删除，id：{}", id);
                continue;
            }
            i = heLibraryAssortMapper.deleteHeLibraryAssortById(id);
            //删除成功后，如果该删除的ID下有子数据，则将子数据放到未分配下面
            HeLibraryAssort heLibraryAssort = new HeLibraryAssort();
            heLibraryAssort.setPid(id);
            List<HeLibraryAssort> heLibraryAssortList1 = heLibraryAssortMapper.selectHeLibraryAssortList(heLibraryAssort);
            if (CollectionUtils.isNotEmpty(heLibraryAssortList1)) {
                for (HeLibraryAssort heLibraryAssort1 : heLibraryAssortList1) {
                    //设置未分配ID
                    heLibraryAssort1.setPid(-1L);
                    heLibraryAssortMapper.updateHeLibraryAssort(heLibraryAssort1);
                }
            }
        }
        return i;
    }

    /**
     * 删除宣教分类信息
     *
     * @param id 宣教分类主键
     * @return 结果
     */
    @Override
    public int deleteHeLibraryAssortById(Long id) {
        return heLibraryAssortMapper.deleteHeLibraryAssortById(id);
    }
}